Samsung AM038KXWDCH Service Manual

Other manuals for AM038KXWDCH: Service Manual
Manual is about: SYSTEM AIR CONDITIONERS OUTDOOR UNIT

Summary of AM038KXWDCH

  • Page 1

    Air conditioner contents system air conditioner 1. Precautions 2. Product specifications 3. Disassembly and reassembly 4. Troubleshooting 5. Pcb diagram and parts list 6. Wiring diagram 7. Cycle diagram 8. Key options 9. Test operation 10. Reference sheet outdoor unit am072/096/120/144fxvafh 6 am072...

  • Page 2: Contents

    Section 0 samsung electronics 3 contents 1. Precautions .......................................................................................................... 1-1 1-1 precautions for the service ........................................................................................................

  • Page 3: Contents

    Section 0 4 samsung electronics contents 4-4-14 mcu branch part setup error – connect an indoor unit to a branch part not being used ...... 4-45 4-4-15 mcu branch part setup error – connect more indoor units than what is actually set up in mcu ... 4-46 4-4-16 mcu/mcu subcooler entrance/exit sensor e...

  • Page 4: Contents

    Section 0 samsung electronics 5 contents 6. Wiring diagram ................................................................................................... 6-1 6-1 am072/096/120/144fxva 66 ...............................................................................................................

  • Page 5: 1. Precautions

    Samsung electronics 1-1 1. Precautions 1-1 precautions for the service ouse the correct parts when changing the electric parts. – please check the labels and notices for the model name, proper voltage, and proper current for the electric parts. Ofully repair the connection for the types of harness w...

  • Page 6

    1-2 samsung electronics 1-4 precautions for handling refrigerant for air conditioner environmental cautions: air pollution due to gas release osafety cautions if liquid gas is released, then body parts that come into contact with it may experience frostbite/blister/numbness. If a large amount of gas...

  • Page 7: 2. Product Specifications

    Samsung electronics 2-1 2. Product specifications 2-1 the feature of product 2-1-1 feature q dual ssc system technology when load changes, capacity amendment that is soft by continuous operation of dual inverter is available. Q dual smart inverter system dsc system digital base inverter base . Dvi v...

  • Page 8

    Product specifications 2-2 samsung electronics feature (cont.) qinverter circuit refrigerant cooling technology - applied high efficiency refrigerant cooling circuit. Secured stable inverter pcb cooling performance. - air cooling method : when natural convection / electric heat performance is low an...

  • Page 9

    Product specifications samsung electronics 2-3 2-1-2 changes in comparison to basic mode changed part changed item and feature basic after changed control box structure monolayer structure ࣖ double layer structure - inverter technology integration (inverter control circuit composition) - c/box volum...

  • Page 10

    Product specifications 2-4 samsung electronics changes in comparison to basic mode (cont.) changed part changed item and feature basic after changed main pcb change main pcb - separation for load / control. - option resistance delete by model. (standardization) - when do pcb replace, need option dow...

  • Page 11

    Product specifications samsung electronics 2-5 changes in comparison to basic mode (cont.) changed part changed item and feature basic after changed main pcb change main pcb - separation for load / control. - option resistance delete by model. (standardization) - when do pcb replace, need option dow...

  • Page 12

    Product specifications 2-6 samsung electronics changes in comparison to basic mode (cont.) item feture pba main pcb main pcb - separation for load / control. - option resistance delete by model. (standardization) - when replace the pcb, must download option. - enhanced fixing of load / control wire....

  • Page 13

    Product specifications samsung electronics 2-7 changes in comparison to basic mode (cont.) changed part changed item and feature basic after changed main pcb change main pcb - separation for load / control. - option resistance delete by model. (standardization) - when do pcb replace, need option dow...

  • Page 14

    Product specifications 2-8 samsung electronics changed part changed item and feature basic after changed main pcb change main pcb - increase micom capability fan pcb applies 600v ipm by lc resonance buck-converter inverter pcb (compressor control pcb) - increases current due to high capacity compres...

  • Page 15

    Product specifications samsung electronics 2-9 changes in comparison to basic mode (cont.) changed part changed item and feature basic after changed pipe cooling new pipe cooling for cooling of inverter pcb. Unapplied c ooling of inverter circuit r efrigerant cooling system : i t is cooling technolo...

  • Page 16

    Product specifications 2-10 samsung electronics 2-1-3 structure of product am072fxvaf 6 am072fxvaj 6 am096fxvaf 6 am120fxvaf 6 am144fxvaf 6 am168hxvaf 6 am192hxvaf 6 am072kxvaf 6 am096kxvaf 6 am096fxvaj 6 am120fxvaj 6 am144fxvaj 6 am168hxvaj 6 am192hxvaj 6 am072kxvaj 6 am096kxvaj 6 trans box trans b...

  • Page 17

    Product specifications samsung electronics 2-11 heat exchanger compressor control box 4-way v/v subcooler gas pipe liquid pipe am216kxvgj 6.

  • Page 18

    2-12 samsung electronics accumulator 4way v/v subcooler eev liquid pipe gas pipe plate heat exchanger compressor control box am038/048/055kxwd 6.

  • Page 19

    Product specifications samsung electronics 2-13 am072/096/120hxwaf 6 am192hxwaf 6 control box liquid pipe high pressure gas pipe low pressure gas pipe 4 way v/v receiver plate heat exchanger accumulator sub cooler compressor oil separator liquid pipe 4 way v/v accumulator control box oil separator c...

  • Page 20

    Product specifications 2-14 samsung electronics am072/096/120hxwaj 6 am192hxwaj 6 control box liquid pipe high pressure gas pipe low pressure gas pipe 4 way v/v receiver plate heat exchanger accumulator sub cooler compressor oil separator trans box trans box liquid pipe 4 way v/v accumulator control...

  • Page 21

    Product specifications 2-15 samsung electronics product specifications samsung electronics 2-16 2-2 product specifications 2-2-1 outdoor unit 1. Proper form capacity standard of air conditioning - cooling capacity : it is figures that appear in indoor 80.6 ሥ db/66.2 ሥ wb, outdoor 95 ሥ db, length 50m...

  • Page 22

    2-17 samsung electronics outdoor unit(continue) 1. Proper form capacity standard of air conditioning - cooling capacity : it is figures that appear in indoor 80.6 ሥ db/66.2 ሥ wb, outdoor 95 ሥ db, length 50m of piping, fall 0m standard. - heating capacity : it is figures that appear in indoor 68 ሥ db...

  • Page 23

    Product specifications 2-18 samsung electronics product specifications samsung electronics 2-19 outdoor unit(continue) 1. Proper form capacity standard of air conditioning - cooling capacity : it is figures that appear in indoor 80.6 ሥ db/66.2 ሥ wb, outdoor 95 ሥ db, length 50m of piping, fall 0m sta...

  • Page 24

    Product specifications samsung electronics 2-20 outdoor unit(continue) type dvm s hr - 460v model am072fxvajr 6 am096fxvajr 6 am120fxvajr 6 am144fxvajr 6 am168hxvajr 6 am192hxvajr 6 mode hr hr hr hr hr hr power Ø,v,hz 3/460/60 3/460/60 3/460/60 3/460/60 3/460/60 3/460/60 capacity cooling (nominal) b...

  • Page 25

    Product specifications 2-21 samsung electronics product specifications samsung electronics 2-22 type dvm s water 208-230v model name(samsung model) am038kxwdch/aa am048kxwdch/aa am055kxwdch/aa am072hxwafr/aa am096hxwafr/aa am120hxwafr/aa am192hxwafr/aa mode - hp hp hp hr hr hr hr power supply Φ, v, ...

  • Page 26

    Product specifications 2-23 samsung electronics outdoor unit(continue) type dvm s water 460v model name(samsung model) am072hxwajr/aa am096hxwajr/aa am120hxwajr/aa am192hxwajr/aa mode - hr hr hr hr power supply Φ, v, hz 3Φ,460v,60hz performance ton ton 6 8 10 16 capacity (nominal) cooling btu/h 72,0...

  • Page 27

    Product specifications samsung electronics 2-24 2-3 accessory and option specifications 2-3-1 accessories picture classification model name remark y-joint mxj-ya1509m 15.0 kw and below mxj-ya2512m over 15.0 kw~40.6 kw and below mxj-ya2812m over 40.6 kw~46.4 kw and below mxj-ya2815m over 46.4 kw~69.6...

  • Page 28

    Samsung electronics 3-1 3-1 necessary tools 3. Disassembly and reassembly ofor “disassembly and assembly” dvm plus ዟ indoor unit, please refer to the products with the same structures. Only those products that are not specified elsewhere are described here. Item remark +screw driver monkey spanner -...

  • Page 29

    3-2 samsung electronics no. Parts procedure remark 1 electrical equipment part 1) remove 14 screws from the cabinet (use + screw driver) 2) remove 4 screws that is fixing and separate cover control box. (use + screw driver) 3) power, compressor, valve, motor, sensor connector connected to assy pcb r...

  • Page 30

    Disassembly and reassembly samsung electronics 3-3 no. Parts procedure remark 4) 2 screws had fixed in terminal block cover when change power terminal block, com- munication terminal block remove. 5) 2 screws had fixed in terminal block after remove 4 screws had fixed to cabinet for terminal block p...

  • Page 31

    Disassembly and reassembly 3-4 samsung electronics no. Parts procedure remark 7) 6 screws had fixed on side refrigerant cool- ing part outside remove . Do not separate heat sink pulling assy piping cooling piping compulsorily. (is responsible for parts damage.) 8) 2 screws had fixed on side refriger...

  • Page 32

    Disassembly and reassembly samsung electronics 3-5 binding wire 1 غ am072fxva6h6 valve & sensor no valve & sensor 4way valve high pressure sensor suction sensor evi out sensor insulation no model insu code binding wire am072fxva 6h6 db62-04154c am072fxva 6h6 db62-03808b am072fxva 6h6 db62-03808c val...

  • Page 33

    Disassembly and reassembly 3-6 samsung electronics binding wire 2 غ am072fxva6h6 valve & sensor no valve & sensor comp top sensor discharge sensor high pressure switch insulation no model insu code binding wire am072fxva 6h6 db62-03808d valve & sensor no valve & sensor low pressure sensor valve & se...

  • Page 34

    Disassembly and reassembly samsung electronics 3-7 binding wire 1 غ am072fxva6r6 valve & sensor no valve & sensor main eev valve od eev valve accum return valve evi in sensor hot gas 1 valve hot gas 2 valve liquid sensor insulation no model insu code binding wire am072fxva 6r6 db62-03808e am072fxva ...

  • Page 35

    Disassembly and reassembly 3-8 samsung electronics binding wire 2 غ am072fxva6r valve & sensor no valve & sensor comp top sensor discharge sensor high pressure switch insulation no model insu code binding wire am072fxva 6r db62-03808d valve & sensor no valve & sensor low pressure sensor evi eev valv...

  • Page 36

    Disassembly and reassembly samsung electronics 3-9 ـ comp wire fix by holder wire. ـ fix comp wire-core to bracket beam control box using large size cable tie(350mm). ـ separate double layer structure of c/box after remove 3 screws and connector. Binding wire 3 غ am072fxva66.

  • Page 37

    Disassembly and reassembly 3-10 samsung electronics [reference sheet] pipe welding position غ am072fxva6h6 front welding parts rear welding parts no. Welding position q'ty no. Welding position q'ty 1 comp+suction 1 1 cooling+subcooler 1 2 comp+discharge 1 2 subcooler+evi bypass 1 3 comp+vapor inject...

  • Page 38

    Disassembly and reassembly samsung electronics 3-11 [reference sheet] pipe welding position غ am072fxva6r6 front welding parts rear welding parts no. Welding position q'ty no. Welding position q'ty 1 comp+suction 1 1 cooling+subcooler 1 2 comp+discharge 1 2 subcooler+evi bypass 1 3 comp+vapor inject...

  • Page 39

    Disassembly and reassembly 3-12 samsung electronics 3-2-2 am096fxvaj 6/am120fxvaj6/am168hxva66/am192hxva66/096kxva66 no. Parts procedure remark 1 electrical equipment part 1) 11 screws that is fixing cabinet remove. (use + screw driver) 2) remove 4 screws that is fixing and separate cover control bo...

  • Page 40

    Disassembly and reassembly samsung electronics 3-13 no. Parts procedure remark 4) 2 screws had fixed in terminal block cover when change power terminal block, com- munication terminal block remove. 5) 2 screws had fixed in terminal block after remove 4 screws had fixed to cabinet for terminal block ...

  • Page 41

    Disassembly and reassembly 3-14 samsung electronics no. Parts procedure remark 7) 6 screws had fixed on side refrigerant cool- ing part outside remove . Do not separate heat sink pulling assy piping cooling piping compulsorily. (is responsible for parts damage.) 8) 2 screws had fixed on side refrige...

  • Page 42

    Disassembly and reassembly samsung electronics 3-15 binding wire 1 غ am096fxvajh6/am120fxvajh6 valve & sensor no valve & sensor 4way valve high pressure sensor evi bypass valve insulation no model insu code binding wire am096fxvajh 6 / am120fxvajh 6 db62-03808g valve & sensor no valve & sensor evi s...

  • Page 43

    Disassembly and reassembly 3-16 samsung electronics binding wire 2 غ͑am096fxvajh6/am120fxvajh6 valve & sensor no valve & sensor expansion valve evi eev valve accum oil return valve high pressure switch insulation no model insu code binding wire am096fxvajh 6 / am120fxvajh 6 db62-03808c am096fxvajh 6...

  • Page 44

    Disassembly and reassembly samsung electronics 3-17 binding wire 1 غ am096fxvajr6/am120fxvajr6 valve & sensor no valve & sensor 4way valve high pressure sensor suciton 1 sensor suciton 2 sensor evi out sensor main cooling valve evi bypass valve insulation no model insu code binding wire am096fxvajr ...

  • Page 45

    Disassembly and reassembly 3-18 samsung electronics binding wire 2 غ͑am096fxvajr6/am120fxvajr6 valve & sensor no valve & sensor main eev valve od eev valve accum return valve evi in sensor hot gas 2 valve evi eev valve liquid sensor insulation no model insu code binding wire am096fxvajr 6 / am120fxv...

  • Page 46

    Disassembly and reassembly samsung electronics 3-19 ـ comp wire fix by holder wire. ـ fix comp wire-core to bracket beam control box using large size cable tie(350mm). Binding wire 3 غ am096fxvaj6/am120fxvaj6 ـ separate double layer structure of c/box after remove 3 screws and connector..

  • Page 47

    Disassembly and reassembly 3-20 samsung electronics [reference sheet] pipe welding position غ am096fxvajh6/am120fxvajh6 front welding parts rear welding parts no. Welding position q'ty no. Welding position q'ty 1 comp+suction 1 1 cooling+subcooler in 2 2 comp+discharge 1 2 subcooler+evi bypass 1 3 c...

  • Page 48

    Disassembly and reassembly samsung electronics 3-21 [reference sheet] pipe welding position غ am096fxvajr6/am120fxvajr6 front welding parts rear welding parts no. Welding position q'ty no. Welding position q'ty 1 comp+suction 1 1 subcooler+evi bypass 2 2 comp+discharge 1 2 accum+4way 1 3 comp+vapor ...

  • Page 49

    Disassembly and reassembly 3-22 samsung electronics 3-2-3 am096fxvaf 6/am120fxvaf6/am144fxva66 /072kxva66 no. Parts procedure remark 1 electrical equipment part 1) 11 screws that is fixing cabinet remove. (use + screw driver) 2) remove 4 screws that is fixing and separate cover control box. (use + s...

  • Page 50

    Disassembly and reassembly samsung electronics 3-23 no. Parts procedure remark 4) 2 screws had fixed in terminal block cover when change power terminal block, com- munication terminal block remove. 5) 2 screws had fixed in terminal block after remove 4 screws had fixed to cabinet for terminal block ...

  • Page 51

    Disassembly and reassembly 3-24 samsung electronics no. Parts procedure remark 7) 6 screws had fixed on side refrigerant cool- ing part outside remove . Do not separate heat sink pulling assy piping cooling piping compulsorily. (is responsible for parts damage.) 8) 2 screws had fixed on side refrige...

  • Page 52

    Disassembly and reassembly samsung electronics 3-25 no. Parts procedure remark heat sink to heat sink thermal grease spread service work - spread enough thermal grease evenly on plate heat sink back whole using roller or brush. - reassemble plate heat sink in reverse order of disassembly..

  • Page 53

    Disassembly and reassembly 3-26 samsung electronics binding wire 1 غ am096fxvafh6/am120fxvafh6/am144fxva6h6/am168hxva6h/am192hxva6h6 valve & sensor no valve & sensor 4way valve high pressure sensor evi bypass valve evi sol valve suction sensor insulation no model insu code binding wire am096fxvafh 6...

  • Page 54

    Disassembly and reassembly samsung electronics 3-27 binding wire 2 غ am096fxvafr6/am120fxvafr6/am144fxva6r6/am168hxva6r6/am192hxva6r6 insulation no model insu code binding wire am096fxvafr 6 /am120fxvafr 6 / am144fxva 6r 6 db62-04154j am168hxva 6r/ am192hxva 6 r 6 db62-05142c am096fxvafr 6 /am120fxv...

  • Page 55

    Disassembly and reassembly 3-28 samsung electronics binding wire 1 غ am096fxvafr6/am120fxvafr6/am144fxva6r6/am168hxva6r6/am192hxva6r6 valve & sensor no valve & sensor 4way valve high pressure sensor suciton 1 sensor suciton 2 sensor main cooling valve evi bypass valve evi sol valve insulation no mod...

  • Page 56

    Disassembly and reassembly samsung electronics 3-29 binding wire 2 غ am096fxvafr 6 /am120fxvafr 6 /am144fxva 6r 6 /am168hxva 6r 6 /am192hxva 6r 6 insulation no model insu code binding wire am096fxvafr 6/ am120fxvafr 6/ am144fxva 6r6/ am168hxvasr 6/ am192hxva 6r6 db62-04154c valve & sensor no valve &...

  • Page 57

    Disassembly and reassembly 3-30 samsung electronics ـ fix comp wire-core to bracket beam control box using large size cable tie(350mm). ـ separate double layer structure of c/box after remove 3 screws and connector. Binding wire 3 غ am096fxvaf6/am120fxvaf6/am144fxva66/am168hxva66/am192hxva66/ am072k...

  • Page 58

    Disassembly and reassembly samsung electronics 3-31 [reference sheet] pipe welding position 4 غ͑͑am096fxvafh6/am120fxvafh6/am144fxvafh6/am144fxvajh6/ am168hxvajh 6/am168hxvafh6/am192hxvajh6/am192hxvafh6/ am072kxvafh 6/am072kxvtjh6/am096kxvtf 6 /am096kxvtj 6 front welding parts rear welding parts no....

  • Page 59

    Disassembly and reassembly 3-32 samsung electronics [reference sheet] pipe welding position 4 غ͑͑am096fxvafr6/am120fxvafr6/am144fxvafr6/am144fxvajr6 am168hxvajr 6/am168hxvafr6/am192hxvajr6/am192hxvafr6 front welding parts rear welding parts no. Welding position q'ty no. Welding position q'ty 1 comp+...

  • Page 60

    Disassembly and reassembly samsung electronics 3-33 3-2-4 am216kxvgj 6 no. Parts procedure remark 1 electrical equipment part 1) 11 screws that is fixing cabinet remove. (use screw driver) 1. 9 screw remove of cabinet 2. Press the position with both hands and push down ( 'a' direction) 3. Carefully ...

  • Page 61

    Disassembly and reassembly 3-34 samsung electronics no. Parts procedure remark 4) 2 screws had fixed in terminal block cover when change power terminal block, communication terminal block remove. 5) 2 screws had fixed in terminal block after remove 4 screws had fixed to cabinet for terminal block pr...

  • Page 62

    Disassembly and reassembly samsung electronics 3-35 no. Parts procedure remark 7) 6 screws had fixed on side refrigerant cool- ing part outside remove . Do not separate heat sink pulling assy piping cooling piping compulsorily. (it can be a cause of parts damage) 8) 2 screws had fixed on side refrig...

  • Page 63

    Disassembly and reassembly 3-36 samsung electronics no. Parts procedure remark heat sink spread therminal grease on heat sink - spread enough thermal grease evenly on plate heat sink back whole using roller or brush. - reassemble plate heat sink in reverse order of disassembly..

  • Page 64

    Disassembly and reassembly samsung electronics 3-37 binding wire 1 غ am216kxvgj 6 valve & sensor no valve & sensor comp top #1 sensor comp top #2 sensor discharge #1 sensor discharge #2 sensor insulation no insu code binding wire db62-03808f db62-03808f valve & sensor no valve & sensor evi sol valve...

  • Page 65

    Disassembly and reassembly 3-38 samsung electronics binding wire 2 غ am216kxvgj 6 valve & sensor no valve & sensor insu code accum oil return valve insulation no insu code binding wire db62-08752f valve & sensor no valve & sensor expansion valve liquid sensor evi in sensor evi out sensor insulation ...

  • Page 66

    Disassembly and reassembly samsung electronics 3-39 ـ separate double layer structure of c/box after remove 3 screws and connector. Binding wire 3 غ am216kxvg 6 ـ fix comp wire-core to bracket beam control box using large size cable tie(350mm). ـ comp wire fix by holder wire..

  • Page 67

    Disassembly and reassembly 3-40 samsung electronics front welding parts rear welding parts 5 1 1 3 2 1 3 2 4 4 6 7 7 8 9 11 11 12 12 1 2 3 4 5 5 6 7 8 9 no. Welding position q'ty no. Welding position q'ty 1 comp+suction 2 1 accum oil return valve + suction 1 2 comp+discharge 2 2 subcooler + subcoole...

  • Page 68

    Samsung electronics 3-41 no. Parts procedure remark 1 electrical equipment part 1) remove the 14 screws which is fixed to the cabinet. (use +screw driver) 2) remove the 4 screws which is fixed to the cover control box and then separate the cover control box. (use +screw driver) 3) disconnect the pow...

  • Page 69

    3-42 samsung electronics no. Parts procedure remark 4) remove the 3 bolts from the front part as shown in the picture. 5) remove the 2 screws and then separate the reactor in the direction of arrow as shown in the picture. 6) first, separate the wires which is fixed to the holder as shown in the pic...

  • Page 70

    Samsung electronics 3-43 valve & sensor no valve & sensor cond out temperature sensor main eev sub-cooler out temperature sensor hot gas charging valve water temperature sensor 4way valve evi eev suction temperature sensor high pressure switch high pressure sensor low pressure sensor insulation no i...

  • Page 71

    3-44 samsung electronics valve & sensor no valve & sensor hot gas bypass valve discharge temperature sensor insulation no insu code binding wire db62-04154n db62-03808c no valve & sensor dc fan wire binding wire 2 غ͑͑ am038/048/055kxwd 66.

  • Page 72

    Samsung electronics 3-45 comp wire and valve / sensors wire is passed through the rubber-cover and then fix using a wire holder. Binding wire 3 غ͑͑ am038/048/055kxwd 66.

  • Page 73

    3-46 samsung electronics front welding parts rear welding parts 5 1 3 2 4 4 6 9 8 7 10 11 12 13 no. Welding position q'ty no. Welding position q'ty 1 comp + discharge 1 6 4way + hot gas charging 1 2 discharge + oil separator 1 7 hot gas charging + subcooler 1 3 oil separator + oil sepa out 1 8 subco...

  • Page 74

    Samsung electronics 3-47 3-2-5 am072/096/120hxwa 66 no. Parts procedure remark 1 electrical equipment part 1) 9 screws that is fixing cabinet remove. (use + screw driver) 2) remove 7 screws that is fixing and separate cover control box. (use + screw driver) 3) power, compressor, valve, motor, sensor...

  • Page 75

    3-48 samsung electronics no. Parts procedure remark 4) 2 screws had fixed in terminal block cover when change power terminal block, communication terminal block remove. 5) 2 screws had fixed in terminal block after remove 4 screws had fixed to cabinet for terminal block protection remove. 6) 4 screw...

  • Page 76

    Samsung electronics 3-49 no. Parts procedure remark 7) 6 screws had fixed on side refrigerant cooling part outside remove . Do not separate heat sink pulling assy piping cooling piping compulsorily. (is responsible for parts damage.) 8) 2 screws had fixed on side refrigerant cooling part inside remo...

  • Page 77

    3-50 samsung electronics no. Parts procedure remark heat sink to heat sink thermal grease spread service work - spread enough thermal grease evenly on plate heat sink back whole using roller or brush. - reassemble plate heat sink in reverse order of disassembly..

  • Page 78

    Samsung electronics 3-51 binding wire 1 غ am072/096/120hxwa66 valve & sensor no valve & sensor 4way valve high pressure sensor suciton 1 sensor suciton 2 sensor main cooling valve evi bypass valve evi sol valve 4way valve high pressure sensor suciton 1 sensor suciton 2 sensor main cooling valve evi ...

  • Page 79

    3-52 samsung electronics binding wire 2 غ am072/096/120hxwa66 valve & sensor no valve & sensor liquid valve liquid temp. Sensor comp top sensor discharge temp. Sensor insulation no model insu code binding wire am072/096/120hxwa 66 db62-04154a am072/096/120hxwa 66 db62-03808d valve & sensor no valve ...

  • Page 80

    Samsung electronics 3-53 ـ separate double layer structure of c/box after remove 3 screws and connector. Binding wire 3 غ am072/096/120hxwa66 ـ comp wire & valve,sensor wires fix by holder wire with cover bushing hole..

  • Page 81

    3-54 samsung electronics [reference sheet] pipe welding position 4 غ am072/096/120hxwa66 front welding parts rear welding parts no. Welding position q'ty no. Welding position q'ty 1 comp+suction 1 11 subcooler+evi bypass 1 2 comp+discharge 1 12 subcooler+receiver 1 3 comp+vapor injection 1 13 hot ga...

  • Page 82

    Samsung electronics 3-55 3-2-6 am192hxwa 66 no. Parts procedure remark 1 electrical equipment part 1) 9 screws that is fixing cabinet remove. (use + screw driver) 2) remove 6 screws that is fixing and separate cover control box. (use + screw driver) 3) power, compressor, valve, motor, sensor connect...

  • Page 83

    3-56 samsung electronics no. Parts procedure remark 4) 2 screws had fixed in terminal block cover when change power terminal block, communication terminal block remove. 5) 2 screws had fixed in terminal block after remove 4 screws had fixed to cabinet for terminal block protection remove. 6) 4 screw...

  • Page 84

    Samsung electronics 3-57 no. Parts procedure remark 7) 6 screws had fixed on side refrigerant cooling part outside remove . Do not separate heat sink pulling assy piping cooling piping compulsorily. (is responsible for parts damage.) 8) 2 screws had fixed on side refrigerant cooling part inside remo...

  • Page 85

    3-58 samsung electronics binding wire 1 غ am192hxwa66 valve & sensor no valve & sensor low pressure sensor accum. Return valve hot gas #1 valve high pressure sensor evi valve suction #2 temp. Sensor subcooler inlet temp. Sensor liquid temp. Sensor hot gas #2 valve main eev cond out temp. Sensor bypa...

  • Page 86

    Samsung electronics 3-59 binding wire 2 غ am192hxwa66 valve & sensor no valve & sensor hot gas #2 valve main cooling valve comp top sensor discharge temp. Sensor discharge temp. Sensor comp top sensor 4way valve insulation no model insu code binding wire am192hxwa 66 db62-03808a am192hxwa 66 db62-03...

  • Page 87

    3-60 samsung electronics ـ comp wire & valve,sensor wires fix by holder wire. Binding wire 3 غ am192hxwa66 ـ separate double layer structure of c/box after remove 3 screws and connector..

  • Page 88

    Samsung electronics 3-61 [reference sheet] pipe welding position غ am192hxwa66 front welding parts rear welding parts no. Welding position q'ty no. Welding position q'ty 1 comp+suction 2 13 expansion+tube liquid 1 2 accum+suction 1 14 receiver+subcooler 1 3 comp+discharge 2 15 receiver+bypass hot ga...

  • Page 89

    3-62 samsung electronics step occasion that compressor is 1 inside outdoor unit 1 - 2 - 3 lock all svc valve of liquid pipe and gas pipe. 4 enter in vacuum mode and establish as all eev and valve open. 5 reclaim refrigerant of outdoor unit using recovery unit. Ǒ when there is no recovery unit, refer...

  • Page 90

    Samsung electronics 3-63 ͞ am072/096/120/192hxwa ✳✳ step occasion that compressor is 1 inside outdoor unit occasion that compressor is 2 inside outdoor unit 1 - establish compressor to exchange by cutting. 2 - refrigerant release driving of applied outdoor unit ఐ refrigerant release driving enforces...

  • Page 91

    Disassembly and reassembly 3-64 samsung electronics غ point to consider at compressor exchange 1) oil color decision (availability of that change compressor that is beside at the same time) of compressor that broke down. - decide that exchange all 2 that exchange side that broke down after judge sta...

  • Page 92

    Disassembly and reassembly samsung electronics 3-65 oil separator svc code weight information fig db96-16927a 3.54kg db96-17888a (db96-17639a db96-17640a) 7.86kg (7.14kg except for bracket base) db96-20380a 16.21kg db96-21970a 2.71kg.

  • Page 93

    3-66 samsung electronics accumulator svc code weight information fig db96-17091a 16.64kg db96-16928a 22.08kg db96-20395a 30.37kg db96-21912a 32.33kg.

  • Page 94

    3-67 samsung electronics 3) checking of oil circulating system ᐭ oil separator capillary tube or filter of block - if filter or capillary tube of oil separator lower column is blocked by alien substance etc.., can become cause of compressor break- down because oil is not collected. - can doubt that ...

  • Page 95

    Samsung electronics 3-68 3-4 mcu no parts procedure remark 1 cabinet upper 1) separate 2 fixing screws from the cabinet. (use + serew driver) 2) separate cabinet from mcu. 2 cabinet front 1) separate 4 fixing screws from the cabinet. (use + serew driver) 2) separate 4 fixing screws from the brackets...

  • Page 96

    3-69 samsung electronics 3-5 eev kit no parts procedure remark 1 cabinet front 1) separate 1 fixing screw from eev kit. (use + serew driver) 2) separate cabinet from eev kit. 2 control parts 1) separate 2 fixing screws from eev kit. (use + serew driver) 2) separate control part from eev kit..

  • Page 97: 4. Troubleshooting

    Samsung electronics 4-1 4. Troubleshooting 4-1 check-up window description no. Function no. Function 1 cn22 download (pc) (smw200-10 black) 6 set up the number of connected outdoor units 2 micom. Download (as-pro) (smw200-07p white) 7 for checking indoor unit communication (yw396-02p red) 3 error di...

  • Page 98

    Troubleshooting 4-2 samsung electronics no. Function no function 1 display 4 eeprom connector (b7p- mq wht) 2 tact switch 5 communication connec- tor between indoor and outdoor unit. 3 micom download (ydw200-20 blk) 6 the central controller communication 4 1 2 6 5 3 4-2 pcb description غ am030/040/0...

  • Page 99

    Samsung electronics 4-3 4-3. Service operation 4-3-1 special operation ـ key input of the outdoor unit when the service enters the operation mode. K1 (number of press) key operation display on segment 1 time refrigerant charging in heating mode k, 1, blank, blank 2 times trial operation in heating m...

  • Page 100

    Troubleshooting 4-4 samsung electronics غ auto trial operation ـ͑ after initial installation, stable operation for a certain period of time limited to operation conditions. Cooling heating method of entry k2 tact switch twice k2 tact switch twice compressor normal operation, but the maximum frequenc...

  • Page 101

    Troubleshooting samsung electronics 4-5 غ heating pump out ـ operation for the repair of the individual outdoor unit, the outdoor unit refrigerant emissions to the indoor part. ـ liquid pipe service valve and the gas pipe service valve operation, the operator manually need to close. ـ observe low pr...

  • Page 102

    Troubleshooting 4-6 samsung electronics غ vacuum operation ـ operation to facilitate vacuum to open the valve after the outdoor unit repair. غ piping inspection operation ـ operation mode to check the status of the piping between the mcu and the indoor unit. ـ mcu pipe connection check - how to star...

  • Page 103

    Troubleshooting samsung electronics 4-7 غ forced defrost operation ـ forced defrost operation : is operation when frost formation occurs in the outdoor. (when carried out the service) غ forced oil recovery operation ـ forced oil recovery operation : oil recovery in the outdoor unit for the purpose o...

  • Page 104

    Troubleshooting 4-8 samsung electronics ఐ outdoor power off even when the inverter pcb, fan pcb is a high dc voltage charging contacts at danger. ఐ͑͑when you run the repair and replacement of the pcb should work after the power is turned off, the dc voltage discharge. (natural discharge until please...

  • Page 105

    Troubleshooting samsung electronics 4-9 غ͑am072/096/120/192hxwa66 ـ key input of the outdoor unit when the service enters the operation mode. K1 (number of press) key operation display on segment press and hold 1 time auto trial operation k, 1, blank, blank 1 time refrigerant charging in heating mod...

  • Page 106

    Troubleshooting 4-10 samsung electronics غ auto trial operation ـ͑ after initial installation, stable operation for a certain period of time limited to operation conditions. Cooling heating method of entry k2 tact switch twice k1 tact switch twice compressor normal operation, but the maximum frequen...

  • Page 107

    Troubleshooting samsung electronics 4-11 غ heating pump out ـ operation for the repair of the individual outdoor unit, the outdoor unit refrigerant emissions to the indoor part. ـ liquid pipe service valve and the gas pipe service valve operation, the operator manually need to close. ـ observe low p...

  • Page 108

    Troubleshooting 4-12 samsung electronics غ vacuum operation ـ operation to facilitate vacuum to open the valve after the outdoor unit repair. غ piping inspection operation ـ operation mode to check the status of the piping between the mcu and the indoor unit. ـ heat pump model : water temperature is...

  • Page 109

    Troubleshooting samsung electronics 4-13 4-3-2 dvm s models eeprom code table no. Model name inverter pba eep code no. Model name inverter pba eep code 1 am072fxvafh 6 db92-03526c db82-01437a 21 am072hxwajr db92-03526a db82-02085a 2 am096fxvafh 6 db92-03526c db82-01439a 22 am096hxwajr db92-03526a db...

  • Page 110

    Troubleshooting 4-14 samsung electronics code explanation e-101 indoor unit communication error. Indoor unit can not receive any data from outdoor unit. E-102 communication error between indoor unit and outdoor unit. Displayed in indoor unit. E-108 error due to repeated address setting (when 2 or mo...

  • Page 111

    Troubleshooting samsung electronics 4-15 غ diagnosis and adjustment (error code) ـ error code related to the communications / settings / hw (cont.) error mode cause e-201 communication error between indoor and outdoor units (installation number setting error, repeated indoor unit address, indoor uni...

  • Page 112

    Troubleshooting 4-16 samsung electronics غ diagnosis and adjustment (error code) ـ error code related to the communications / settings / hw (cont.) error mode cause e-321 error on evi (esc) in temperature sensor (short or open) e-322 error on evi (esc) out temperature sensor (short or open) e-323 er...

  • Page 113

    Troubleshooting samsung electronics 4-17 غ diagnosis and adjustment (error code) ـ error code related to the communications / settings / hw (cont.) error mode cause e-461 error due to operation failure of inverter compressor 1 e-462 compressor stop due to full current control or error due to low cur...

  • Page 114

    4-18 samsung electronics 4-4 appropriate measures for different symptom 4-4-1 outdoor unit test operation flow if the auto trial operation is not completed - upis displyed(unprepared) prior to starting the air conditioning operation after the initial installation and auto trial operation is carried ...

  • Page 115

    Troubleshooting samsung electronics 4-19 غ reversed phase/no phase check (outdoor unit with 3 phase power) – display for problem 1. When the power is on, check the status of the power from the inverter. Three-phase l1(r)-l2(s)-l3(t) order, regardless of the power connection on the inverter does not ...

  • Page 116

    Troubleshooting 4-20 samsung electronics غ initial tracking (communication check-up) - display for problem 1. For the display module of the outdoor unit, there are differences in the contents displayed depending on whether the relevant outdoor unit is a master unit or a sub unit. 1) master unit Ɣ th...

  • Page 117

    Troubleshooting samsung electronics 4-21 if the auto trial operation is not completed - up is displayed (unprepared) prior to starting the air conditioning operation after the initial installation and auto trial operation is carried out. This process, the stable operation to protect the system and v...

  • Page 118

    Troubleshooting 4-22 samsung electronics step push button display description remark number of connections units step 1 outdoor unit display needs to establish - step 2 at the same time, press the 2 seconds k1+k2 prepared to setting on example) 03 : 1's digit 3 times 64 : 10's digit 6 times + 1's di...

  • Page 119

    Troubleshooting samsung electronics 4-23 outdoor unit display main pcb has no power phenomenon (7-seg does not blink) judgment method water hub pcb power and connection wire to detect. Cause of problem 1) water hub pcb connector wire defects and the connection is not. 2) main pcb defective. 3) high ...

  • Page 120

    Troubleshooting 4-24 samsung electronics outdoor unit display main pcb has no power phenomenon (7-seg does not blink) judgment method hub pcb power and connection wire to detect. Connector check method cn96 on hub pcb - 1pin to 4pin : dc 12v - 9pin to 4pin : dc 5v cause of problem ∙ hub pcb connecto...

  • Page 121

    Troubleshooting samsung electronics 4-25 main pcb has no power phenomenon (cont.) outdoor unit display main pcb has no power phenomenon (7-seg does not blink) judgment method water hub pcb power and connection wire to detect. Cause of problem 1) water hub pcb connector wire defects and the connectio...

  • Page 122

    Troubleshooting 4-26 samsung electronics 4-4-3- communication error between indoor and outdoor units during tracking 1. How to check yes indoor unit installation quantity setup switch of outdoor unit compare and check the set value and the actual number of indoor units installed. Press the reset key...

  • Page 123

    Troubleshooting samsung electronics 4-27 ఐ essential requirements before pcb changes in case of communication error occurrence 1. Find the communication ic near the communication terminal. Ɣ indoor unit - above red connector : communication ic between indoor and outdoor units. - above blue connector...

  • Page 124

    Troubleshooting 4-28 samsung electronics غ am038/048/055kxwd ✳✳ 1. How to check yes yes indoor unit installation quantity setup switch of outdoor unit compare and check the set value and the actual number of indoor units installed. Press the reset key (k3) of the outdoor pcb, and check the display m...

  • Page 125

    Troubleshooting samsung electronics 4-29 1. Find the communication ic near the communication terminal. · indoor unit · - above red connector : communication ic between indoor and outdoor units · - above blue connector : communication ic for cable remote control. · outdoor unit - other outdoor unit -...

  • Page 126

    Troubleshooting 4-30 samsung electronics 4-4-4 communication error between indoor and outdoor units after tracking 1. How to check press the reset key (k3) of the outdoor unit pcb and check the display module. Is the voltage between the 2 cables a square wave with dc±0.7v or more as shown in the ima...

  • Page 127

    Troubleshooting samsung electronics 4-31 communication error between indoor and outdoor units after tracking (cont.) غ am038/048/055kxwd ✳✳ 1. How to check press the reset key (k3) of the outdoor unit pcb and check the display module. Is the voltage between the 2 cables a square wave with dc±0.7v or...

  • Page 128

    Troubleshooting 4-32 samsung electronics 4-4-5 communication error between main and sub unit of outdoor unit or between outdoor units 1. How to check essential requirements before changing pcb in case of communication error: refer to p.59 check the outdoor unit with error. (u200, u201, u202, u203) c...

  • Page 129

    Troubleshooting samsung electronics 4-33 communication error between main and sub unit of outdoor unit or between outdoor units (cont.) 1. How to check essential requirements before changing pcb in case of communication error : refer to 63 page. Check the outdoor unit that is failure occurs. (u200, ...

  • Page 130

    Troubleshooting 4-34 samsung electronics 4-4-6 internal communication error of the outdoor unit c-box outdoor unit display - all boards of outdoor unit are not communicating indoorunit display duct, cassette (1/2 way),console, celing cassette (4/mini4 way) wall-mounted (neoforte) operation defrost t...

  • Page 131

    Troubleshooting samsung electronics 4-35 internal communication error of the outdoor unit c-box (cont.) two comp. Applied to the model غ am038/048/055kxwd ✳✳ 1. How to check replace main pcb restart after confirming connector connection of water hub pcb cn303 and terminal connector (check the 3, 4 p...

  • Page 132

    Troubleshooting 4-36 samsung electronics 4-4-7 internal pcb communication error of the outdoor unit c-box outdoor unit display ( c001 - c004 ) - some boards of outdoor unit are not communicating indoorunit display judgment method ∙ pcb does not respond to the invoked main pcb cause of problem ∙ c-bo...

  • Page 133

    Troubleshooting samsung electronics 4-37 internal pcb communication error of the outdoor unit c-box (cont.) 1. How to check replace water hub pcb replace connection wire connect power to main pcb. If connection of power is normally, replace the main pcb. No no yes yes connection wire of water hub pc...

  • Page 134

    Troubleshooting 4-38 samsung electronics internal pcb communication error of the outdoor unit c-box (cont.) replace inv pcb (inv pcb tx part : breakage) check the connection status (cn91 connector) cn32 connector connection no no yes yes lighting of inv pcb ld11 did confirmation? Is inv pcb cn32 con...

  • Page 135

    Troubleshooting samsung electronics 4-39 4-4-8 mcu branch part setup error – inconsecutive connection with the use of 2 branch parts t branch part assembly error criteria cause of problem t when 2 branch parts are used for one indoor unit without connecting them consecutively. Outdoor unit display i...

  • Page 136

    Troubleshooting 4-40 samsung electronics 4-4-9 mcu branch part setup error – repeated setup for the same address over 3 times t mcu indoor unit address setting error criteria cause of problem t the same indoor unit address was setup more than 3 times in mcu outdoor unit display indoor unit display 1...

  • Page 137

    Troubleshooting samsung electronics 4-41 4-4-10 mcu branch part setup error – non-installed address setup t indoor unit, with the assigned address on mcu, not installed. Criteria cause of problem t*guifsfjtbojoeppsvojuuibujtopujotubmmfebnpoh.$6sfhjtufsfejoeppsvojut outdoor unit display indoor unit d...

  • Page 138

    Troubleshooting 4-42 samsung electronics 4-4-11 setup error for mcu branch part – setup error for mcu quantity used judgment method t0ddvstxifouifrvboujuzpg.$6jtjodpssfdumztfuczuifpvueppsvoju t0ddvstxifotbnfbeesfttftbsfgpvoexifouxppsnpsf.$6bsfdpoofdufe outdoor unit display indoor unit display specia...

  • Page 139

    Troubleshooting samsung electronics 4-43 4-4-12 mcu branch part setup error – overlapping indoor unit address setup 1. How to check check the setup switch for the number of indoor units in mcu after completing resetting, press the outdoor unit's k3 button to reset or turn off to restart. Mcu box #0 ...

  • Page 140

    Troubleshooting 4-44 samsung electronics 4-4-13 mcu branch part setup error – set as being used without connection to an indoor unit t1jqfjtopujotubmmfeupuifjoeppsvojuxjuibttjhofeaddress on mcu criteria cause of problem t0ddvstxifo.$61*1&jttfubtcfjohvtfezfuopudpoofdufeupbojoeppsvoju outdoor unit dis...

  • Page 141

    Troubleshooting samsung electronics 4-45 4-4-14 mcu branch part setup error – connect an indoor unit to a branch part not being used t*oeppsvojudpoofdujpoupuifvovtfecsbodiqbsu criteria cause of problem t0ddvstxifo.$61*1&jtuvsofepggzfubojoeppsvojujtsfhjtufsfe outdoor unit display indoor unit display ...

  • Page 142

    Troubleshooting 4-46 samsung electronics 4-4-15 mcu branch part setup error – connect more indoor units than what is actually set up in mcu t/vncfspgjoeppsvojutfydffetovncfspgjoeppsvojutfoufsfepo.$6tfuujoh criteria cause of problem toccurs when the number of indoor unit installed exceeds that settin...

  • Page 143

    Troubleshooting samsung electronics 4-47 1. Cause of problem is the sensor connector connected on the pcb ? Is the resistor value matching with “note1” table? Separate the connector from the pcb and measure the resistance value between the 2 terminals. Restart operation after replace the pcb restart...

  • Page 144

    Troubleshooting 4-48 samsung electronics 4-4-17 outdoor temperature sensor error ∙ outdoor temperature sensor open/short is defective. ∙ refer to the judgment method below. Indoorunit display judgment method cause of problem outdoor unit display 1. How to check is the outdoor temperature sensor conn...

  • Page 145

    Troubleshooting samsung electronics 4-49 4-4-18 cond out temperature sensor error (open/short) ∙ disconnection or breakdown of relevant sensor. ∙ refer to the judgment method below. Indoorunit display judgment method cause of problem outdoor unit display 1. How to check yes is the cond out sensor co...

  • Page 146

    Troubleshooting 4-50 samsung electronics 1. How to check yes did the outdoor cond out sensor connector breakaway from the pcb? Did the resistance value significantly stray from the following temperature table? After separating the outdoor cond out sensor connector from the pcb, measure the resistanc...

  • Page 147

    Troubleshooting samsung electronics 4-51 4-4-19 outdoor cond out sensor breakaway error 1. Judgment method 1) no inspection for cooling operation. 2) for heating operation (each of the conditions below needs to be satisfied for more than 20 minutes.) 2. How to check yes yes is the cond out sensor an...

  • Page 148

    Troubleshooting 4-52 samsung electronics 1. Judgment method 1) no inspection for cooling operation. 2) for heating operation (each of the conditions below needs to be satisfied for more than 20 minutes.) 1. Point of enter. 䆚 detected only when heating operation.(except main heating operation) 䆛 comp...

  • Page 149

    Troubleshooting samsung electronics 4-53 4-4-20 compressor discharge or top 1/2 temperature sensor error outdoor unit display (compressor 1 discharge) (compressor 2 discharge) (compressor 1 top) (compressor 2 top) indoorunit display judgment method ∙ refer to the judgment method below. Cause of prob...

  • Page 150

    Troubleshooting 4-54 samsung electronics 1. How to check غ am038/048/055kxwd ✳✳ compressor discharge or top 1/2 temperature sensor error (cont.) outdoor unit display (compressor 1 discharge) (compressor 1 top) indoorunit display duct, cassette (1/2 way),console, celing cassette (4/mini4 way) wall-mo...

  • Page 151

    Troubleshooting samsung electronics 4-55 4-4-21 compressor discharge or top temperature sensor breakaway error outdoor unit display (compressor 1 discharge) (compressor 2 discharge) (compressor 1 top) (compressor 2 top) indoorunit display judgment method 1) faulty compressor frequency of 60hz or hig...

  • Page 152

    Troubleshooting 4-56 samsung electronics 1. How to check no yes complete re-insert the sensor. Reassemble the sensor holder. Is the discharge or top temperature sensor and the sensor holder correctly attached? Is the discharge or top temperature sensor resistance value reasonable? (refer to e251) ye...

  • Page 153

    Troubleshooting samsung electronics 4-57 4-4-22 : suction temperature sensor breakaway error note1 temperature(°c) resistance(kΩ) 70 60 50 40 30 20 10 0 -10 2.2 3.0 4.2 5.8 8.3 12.1 18.0 27.3 43.0 1. How to check replace the pcb re-insert the sensor. Re-attach the sensor holder. No yes is suction se...

  • Page 154

    Troubleshooting 4-58 samsung electronics 1. How to check complete is suction sensor and sensor holder accurately attached? Is suction sensor resistance value reasonable? (refer to e231) replace the defective sensor no re-insert the sensor. Reassemble the sensor holder. No yes yes غ am038/048/055kxwd...

  • Page 155

    Troubleshooting samsung electronics 4-59 4-4-23 high pressure sensor error (open/short) 1. High pressure sensor open/short error determination method 1) identifies from when power is supplied or 2 minutes after reset, and only when set is stopped. 2) an open/short error will occur if the input volta...

  • Page 156

    Troubleshooting 4-60 samsung electronics 1. High pressure sensor open / short error determination method 1) identifies from when power is supplied or 2 minutes after reset, and only when set is stopped. 2) an open / short error will occur if the input voltage standard range of 0.5v~4.95v is exceeded...

  • Page 157

    Troubleshooting samsung electronics 4-61 4-4-24 low pressure sensor error (open/short) 1. Low pressure sensor open/short error determination method 1) identifies from when power is supplied or 2 minutes after reset, and only when set is stopped. 2) an open/short error will occur if the input voltage...

  • Page 158

    Troubleshooting 4-62 samsung electronics 1. Low pressure sensor open / short error determination method 1) identifies from when power is supplied or 2 minutes after reset, and only when set is stopped. 2) an open / short error will occur if the input voltage standard range of 0.5v~4.95v is exceeded....

  • Page 159

    Troubleshooting samsung electronics 4-63 4-4-25 suction temperature sensor error (open/short) 1. How to check outdoor unit suction sensor connector (cn44) connected to pcb? Is the resistor value matching with “note1” table? Separate the connector of the outdoor suction sensor from the pcb and measur...

  • Page 160

    Troubleshooting 4-64 samsung electronics غ am038/048/055kxwd ✳✳ outdoor unit display indoorunit display duct, cassette (1/2 way),console, celing cassette (4/mini4 way) wall-mounted (neoforte) operation defrost timer fan filter/mpi operation defrost timer filter 18 ℃ 21 ℃ turbo 24 ℃ 27 ℃ ◑ × × ◑ × ◑ ...

  • Page 161

    Troubleshooting samsung electronics 4-65 4-4-26 liquid pipe temperature sensor error (open/short) ∙ disconnection or breakdown of relevant sensor. (more than 4.5v or 0.5v less than) ∙ refer to the judgment method below. Indoorunit display judgment method cause of problem outdoor unit display duct, c...

  • Page 162

    Troubleshooting 4-66 samsung electronics 1. How to check did the liquid pipe temperature sensor connector breakaway from the pcb? Did the resistance value significantly stray from the following temperature table? Separate the connector of the liquid pipe temperature sensor from the pcb and measure t...

  • Page 163

    Troubleshooting samsung electronics 4-67 4-4-27 evi in temperature sensor error (open/short) ∙ disconnection or breakdown of relevant sensor. ∙ refer to the judgment method below. Indoorunit display judgment method cause of problem outdoor unit display duct, cassette (1/2 way),console, celing casset...

  • Page 164

    Troubleshooting 4-68 samsung electronics 4-4-28 evi out temperature sensor error (open/short) ∙ disconnection or breakdown of relevant sensor. ∙ refer to the judgment method below. Indoorunit display judgment method cause of problem outdoor unit display duct, cassette (1/2 way),console, celing casse...

  • Page 165

    Troubleshooting samsung electronics 4-69 4-4-29 suction-2 temperature sensor error (open/short) t%jtdpoofdujpopscsfblepxopgsfmfwboutfotps t3fgfsupuifkvehnfounfuipecfmpx indoor unit display judgment method special cause outdoor unit display duct, cassette (1/2 way),console, celing cassette (4/mini4 w...

  • Page 166

    Troubleshooting 4-70 samsung electronics 1. Judgement by code code error measures e347 fan2 wire unconnected error 1. Check the fan motor and pba connection. 2. When connected inverterr checker, if led operates in the normality : external factors or when led operates by abnormality, replace the fan ...

  • Page 167

    Troubleshooting samsung electronics 4-71 measures of other outdoor unit error (cont.) 1. Measures by code code error measures e467 comp.1 wire unconnected error check the connection of comp and inverter pba (if there is no abnormality, replace the pba) e474 inverter pba1 igbt temperature sensor erro...

  • Page 168

    Troubleshooting 4-72 samsung electronics 4-4-31 : comp. Down due to high pressure protection control 1. How to check is the s-net estimated value and themanifold gauge value in range? Are the indoor unit and outdoor unit eev normally operating? Are there any blockage inside the pipe? (filter etc.) c...

  • Page 169

    Troubleshooting samsung electronics 4-73 s-net measured value and manifold gauge value are the same? Are the indoor unit and outdoor unit eev normally operating? Are there any blockage inside the pipe? (filter etc.) check the refrigerant amount trial operation open the service valve replace high pre...

  • Page 170

    Troubleshooting 4-74 samsung electronics is the s-net estimated value and the manifold gauge value in range? Are the indoor unit and outdoor unit eev normally operating? Are there any blockage inside the pipe? (filter etc.) check the refrigerant amount. When cooling operation, water temperature, qua...

  • Page 171

    Troubleshooting samsung electronics 4-75 4-4-32 : comp. Down due to low pressure protection control 1. How to check is the s-net estimated value and the manifold gauge value in range? Are the indoor unit and outdoor unit eev normally operating? Are there any blockage inside the pipe? (filter etc.) c...

  • Page 172

    Troubleshooting 4-76 samsung electronics : comp. Down due to low pressure protection control (cont.) is the s-net estimated value and the manifold gauge value in range? When heating operation temperature and the quantity is within the normal range? Are the indoor unit and outdoor unit eev normally o...

  • Page 173

    Troubleshooting samsung electronics 4-77 4-4-33 : suspension of starting due to compressor discharge temperature sensor / top temperature sensor 1. How to check is the resistance value normal for the compressor discharge temperature sensor/ top temperature sensor? (refer to “note 1”) auto trial oper...

  • Page 174

    Troubleshooting 4-78 samsung electronics : suspension of starting due to compressor discharge temperature sensor / top temperature sensor (cont.) 1. How to check is the resistance value normal for the compressor discharge temperature sensor / top temperature sensor? (refer to e251) trial operation a...

  • Page 175

    Troubleshooting samsung electronics 4-79 4-4-34-phase input wiring error outdoor unit display indoorunit display judgment method . When turn on the power and check the status of the power from the inverter. If the phase does not connect the power(no phase) : e425 or e466 (e366) is displayed (air con...

  • Page 176

    Troubleshooting 4-80 samsung electronics 1. How to check complete check the 4way valve replace defective sensor no no yes yes are the 4way valve normally operating? Is the s-net estimated value and the manifold gauge value in range? Check the relevant eev no no are the indoor unit and outdoor unit e...

  • Page 177

    Troubleshooting samsung electronics 4-81 4-4-36 evi eev open error outdoor unit display indoorunit display judgment method . Dsh ఁ , evi out-evi in 65hz 40 minutes maintaining cause of problem . Evi eev and intercooler leakage, excessive refrigerant amount, outdoor check valve inserted opposite. . I...

  • Page 178

    Troubleshooting 4-82 samsung electronics esc eev open error (cont.) 1. How to check check the refrigerant amount no reconnect connector is esc eev connector accurately connected to pcb? Yes no reassemble the coil is eev coil accurately installed? Yes breakdown replace intercooler check the intercool...

  • Page 179

    Troubleshooting samsung electronics 4-83 4-4-37 refrigerant leakage error 1. Pressure sensor open/short error determination method 1) identifies from when power is supplied or 2 minutes after reset, and only when set is stopped. 2) an open/short error will occur if the input voltage standard range o...

  • Page 180

    Troubleshooting 4-84 samsung electronics refrigerant leakage error (cont.) 1. Pressure sensor open / short error determination method 1) identifies from when power is supplied or 2 minutes after reset, and only when set is stopped. 2) an open / short error will occur if the input voltage standard ra...

  • Page 181

    Troubleshooting samsung electronics 4-85 4-4-38 prevention of heating / cooling operation due to outdoor temperature outdoor unit display (prevention of heating operation due to high temperature of outdoor) (prevention of cooling operation due to low temperature of outdoor) indoor unit display judgm...

  • Page 182

    Troubleshooting 4-86 samsung electronics 4-4-39 prevention of heating refrigerant charge due to outdoor temperature t4ztufnqspufdujpopqfsbujpotubuvt*topucsfblepxo t8ifouififbujohsfgsjhfsboudibshf*guifpvueppsufnqfsbuvsfjtnpsfuibo℃ indoor unit display judgment method special cause outdoor unit display...

  • Page 183

    Troubleshooting samsung electronics 4-87 4-4-40 ch wire breaking error outdoor unit display indoorunit display judgment method . Refer to the judgment method below. Cause of problem . Cch connector pcb is not connected / compressor top sensor breakaway / own problem of cch duct, cassette (1/2 way),c...

  • Page 184

    Troubleshooting 4-88 samsung electronics ch wire breaking error (cont.) outdoor unit display indoorunit display judgment method . Refer to the judgment method below. Cause of problem . Cch connector pcb is not connected / compressor top sensor breakaway / own problem of cch duct, cassette (1/2 way),...

  • Page 185

    Troubleshooting samsung electronics 4-89 4-4-41 fan starting error outdoor unit display (fan pcb(fan1)) (fan pcb(fan2)) judgment method ∙ startup, and then if the speed increase is not normally. ∙ detected by h/w or s/w cause of problem ∙ compressor connection error ∙ defective fan motor ∙ defective...

  • Page 186

    Troubleshooting 4-90 samsung electronics ipm breakdown diagnostics (fan pcb) 1. Preparations before checking 1) power off 2) ipm failure, discharge mode may not work properly. Therefore, wait more than 15 minutes after the power off. 3) remove all of the fan pcb connectors. (comp connector included)...

  • Page 187

    Troubleshooting samsung electronics 4-91 4-4-42 fan lock error outdoor unit display (fan pcb(fan1)) (fan pcb(fan2)) judgment method ∙ is checked symptoms by phase current of fan motor. Cause of problem ∙ fan motor connection error. ∙ defective fan ∙ defective pcb power on and then auto trial operati...

  • Page 188

    Troubleshooting 4-92 samsung electronics 4-4-43 momentary blackout error indoorunit display ∙ momentary stop of compressor due to momentary blackout. Judgment method cause of problem ∙ momentary stop of compressor due to momentary blackout. Outdoor unit display 1. Precautions : replace hub pcb or ma...

  • Page 189

    Troubleshooting samsung electronics 4-93 4-4-44 outdoor fan motor overheating outdoor unit display (fan pcb(fan1)) (fan pcb(fan2)) judgment method ∙ overheating due to the internal sensor of the fan motor. Cause of problem ∙ defective connection wire ∙ defective fan motor ∙ defective pcb ∙ defective...

  • Page 190

    Troubleshooting 4-94 samsung electronics 4-4-45 fan ipm overheat error outdoor unit display (fan1 pcb) (fan2 pcb) judgment method ∙ ipm internal temperature more than 85°c (e455, e355) cause of problem ∙ heat sink and ipm assembly defective. ∙ defective heat sink cooling power off yes did check the ...

  • Page 191

    Troubleshooting samsung electronics 4-95 4-4-46 compressor starting error outdoor unit display (inverter1 pcb) (inverter2 pcb) judgment method ∙ startup, and then if the speed increase is not normally. ∙ detected by h/w or s/w. Cause of problem ∙ compressor connection error ∙ defective compressor 1....

  • Page 192

    Troubleshooting 4-96 samsung electronics comperssor starting error (cont.) continue continue yes did the error occurs? No before change / after change error, depending on the situation replace the compressor or pcb Ŷ compressor applied one Ŷ compressor applied two restart inverter1 - compressor2 inv...

  • Page 193

    Troubleshooting samsung electronics 4-97 outdoor unit display (inverter1 pcb) judgment method ∙ startup, and then if the speed increase is not normally. ∙ detected by hardware or software. Cause of problem ∙ compressor connection error ∙ defective compressor ∙ defective pcb power off and then restar...

  • Page 194

    Troubleshooting 4-98 samsung electronics 4-4-47 comp overcurrent error outdoor unit display (inverter1 pcb) (inverter2 pcb) judgment method ∙ will occur if the overcurrent flowing in the ipm. ∙ detected by h/w or s/w cause of problem ∙ comp. Defective. ∙ inverter pcb defective. 1. How to check remov...

  • Page 195

    Troubleshooting samsung electronics 4-99 inverter overcurrent error (cont.) continue continue before change / after change error, depending on the situation replace the compressor or pcb Ŷ compressor applied one Ŷ compressor applied two restart inverter1 - compressor2 inverter2 - compressor1 to the ...

  • Page 196

    Troubleshooting 4-100 samsung electronics غhow to use inverter checker (warning for high pressure) ـ check between motor ׳ fan pba 1) after cut off, connect inverter checker with u,v,w of motor 2) after turn on, enter comp. Check mode by pushing k2 in main pba 3) judgment ዋ 6 leds of inverter checke...

  • Page 197

    Troubleshooting samsung electronics 4-101 ipm [igbt] breakdown diagnostics (inverter pcb) 1. Preparations before checking 1) power off. 2) ipm failure, discharge mode may not work properly. Therefore, wait more than 15 minutes after the power off. 3) remove all of the inverter pcb connectors and wir...

  • Page 198

    Troubleshooting 4-102 samsung electronics outdoor unit display (inverter1 pcb) judgment method ∙ will occur if the overcurrent flowing in the ipm. ∙ detected by hardware or software. Cause of problem ∙ defective installation ∙ defective compressor ∙ defective pcb ∙ connection wire error ∙ defective ...

  • Page 199

    Troubleshooting samsung electronics 4-103 4-4-48 overvoltage / low voltage error outdoor unit display (inverter1 pcb) (inverter2 pcb) judgment method ∙ input wiring error emi fuse open. ∙ dc-link overvoltage / low voltage occurs. Cause of problem ∙ check the input wiring ∙ emi fuse open 1. How to ch...

  • Page 200

    Troubleshooting 4-104 samsung electronics outdoor unit display (inverter1 pcb) judgment method ∙ n-phase wiring error and emi fuse short. ∙ dc-link overvoltage / low voltage occurs. Cause of problem ∙ check the input wiring ∙ emi fuse short circuit power off yes yes 220v is the voltage between termi...

  • Page 201

    Troubleshooting samsung electronics 4-105 4-4-49 dc link voltage sensor error outdoor unit display (inverter1 pcb) (inverter2 pcb) (outdoor fan 1 pcb) judgment method ∙ dc voltage detection : judged as an error if the detected value is more than 2.8v or 0.2v less than cause of problem ∙ dc link conn...

  • Page 202

    Troubleshooting 4-106 samsung electronics outdoor unit display (inverter1 pcb) judgment method ∙ dc voltage detection : judged as an error if the detected value is more than 2.8v or 0.2v less than cause of problem ∙ defective input voltage ∙ ac power wiring error ∙ momentary overvoltage / low voltag...

  • Page 203

    Troubleshooting samsung electronics 4-107 4-4-50 fan motor overcurrent error outdoor unit display (fan pcb(fan1)) (fan pcb(fan2)) judgment method ∙ occurs when overcurrent flows in the ipm. ∙ detected by h/w or s/w cause of problem ∙ defective fan pcb ∙ connector error ∙ defective motor 1. How to ch...

  • Page 204

    Troubleshooting 4-108 samsung electronics fan motor overcurrent error (cont.) outdoor unit display (fan pcb(fan1)) (fan pcb(fan2)) judgment method ∙ occurs when overcurrent flows in the ipm. ∙ detected by h/w or s/w cause of problem ∙ defective fan motor 1. How to check yes power off e489 replace no...

  • Page 205

    Troubleshooting samsung electronics 4-109 4-4-51 input / output current sensor error outdoor unit display inverter1 pcb(input current sensor) inverter2 pcb(input current sensor) inverter1 pcb(output current sensor) inverter 2 pcb(output current sensor) outdoor fan pcb (fan1 output current sensor) ou...

  • Page 206

    Troubleshooting 4-110 samsung electronics outdoor unit display inverter1 pcb (input current sensor) inverter1 pcb (output current sensor) judgment method ∙ sensor output detection : judged as an error if the detected value is more than 2.8v or 0.2v less than cause of problem ∙ defective input voltag...

  • Page 207

    Troubleshooting samsung electronics 4-111 4-4-52 outdoor fan pcb overvoltage / low voltage error outdoor unit display judgment method ∙ dc-link overvoltage / low voltage occurs. Cause of problem ∙ check the status of dc link connector 1. How to check ዋ͑ be careful when you check dc voltage.(600vdc װ...

  • Page 208

    Troubleshooting 4-112 samsung electronics 4-4-53 hall ic(fan) error outdoor unit display (fan pcb(fan1)) (fan pcb(fan2)) judgment method ∙ fan rotation defective or vibration and noise of the defective operation. ∙ hall ic there is no signal input. Cause of problem ∙ connection status error. ∙ hall ...

  • Page 209

    Troubleshooting samsung electronics 4-113 4-4-54 inverter overheat error outdoor unit display (inverter1 pcb) (inverter2 pcb) judgment method ∙ igbt module internal temperature : 105°c more than (e500, e400) cause of problem ∙ cooling pin and the igbt junction part assembly defective. ∙ refrigerant ...

  • Page 210

    Troubleshooting 4-114 samsung electronics غ am038/048/055kxwd ✳✳ outdoor unit display (inverter1 pcb) judgment method ∙ igbt module internal temperature : 105°c more than (e500, e400) cause of problem ∙ cooling pin and the igbt junction part assembly defective. ∙ refrigerant cooling heat sink and re...

  • Page 211

    Troubleshooting samsung electronics 4-115 1. How to check 4-4-55 option setting error of outdoor unit (operation) ×(reservation) (blast) ×(filter) ×(defrost) t0qujpotfuujohfsspspgpvueppsvoju (there is no compressor start in a unit because of compressor cut off option setting. ) t3fgfsupuifkvehnfounf...

  • Page 212

    Troubleshooting 4-116 samsung electronics 4-4-56 model mismatching of indoor unit. Outdoor unit display judgment method ∙ prior to july 2011, if the software version of the indoor unit. ∙ prior to july 2011, if the software version of the indoor unit. Cause of problem ∙ check the software version of...

  • Page 213

    Troubleshooting samsung electronics 4-117 4-4-57 error due to using single type outdoor unit in a module installation - t6tjohtjohmfuzqfpvueppsvojuoponpevmbsnpefmjobnpevmfjotubmmbujpo t3fgfsupuifkvehnfounfuipecfmpx indoor unit display judgment method special cause outdoor unit display 1. Cause of pr...

  • Page 214

    Samsung electronics 5-1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 5. Pcb diagram and parts list 5-1 ass'y pcb main.

  • Page 215

    Pcb diagram and parts list 5-2 samsung electronics ass'y pcb main (cont.) ① cn22-download ② cn21-aspro download ③ cn43-comm test ④ cn301-eeprom #1 : rx-down #2 : tx-down #3 : n-trst #4 : tdo #5 : tck #6 : tdi #7 : tms #8 : #9 : gnd #10 : vcc #1 : vcc #2 : mode0 #3 : reset_main #4 : #5 : f_sclk #6 : ...

  • Page 216

    Samsung electronics 5-3 ass'y pcb main (cont.) 1 inv comm 2 download 3 hub pba comm. 4 dred 5 external con 6 comm pba comm.(outdoor) 7 comm pba comm.(indoor) 8 comm pba comm.(sol-com) 9 in-com 10 5v 11 12v 12 pump down 13 gas leak 14 option switch 15 error/comp 16 eeprom 14 16 15 1 2 13 12 11 10 9 8...

  • Page 217

    5-4 samsung electronics 6 23 22 24 5 4 3 2 1 7 8 12 9 10 11 13 14 15 25 16 17 18 19 20 21 ass'y pcb main (cont.) - am038/048/055kxwd66.

  • Page 218

    Samsung electronics 5-5 ① cn101-ac input ② cn701-hot gas ③ cn702-4way valve 1 ④ cn703-base heater #1: l #3: n #1: l #3: n #1: l #3: n #1: l #3: n ⑤ cn704-4way valve 2 ⑥ cn403- temp sensor ⑦ cn306-micom download ⑧ cn802-eev1 #1: l #3: n #1 : out temp #2,4,6,8: gnd #3 : cond temp #5 : discharge temp #...

  • Page 219

    5-6 samsung electronics 5-2 ass'y pcb main-hub Ŷ ac 1 2 3 4 5 6 7 8 9 10 11 12.

  • Page 220

    Pcb diagram and parts list samsung electronics 5-7 ass'y pcb main-hub (cont.) Ŷ ac (cont.) ① cn83-evi eev ② cn81-eev1 ③ cn82-eev2 ④ cn43-temp. Sensor #1 : eev3_a_out #2 : eev3_b_out #3 : eev3_a'_out #4 : eev3_b'_out #5 : 12v #1 : eev1_b'_out #2 : eev1_a'_out #3 : eev1_b_out #4 : eev1_a_out #5 : 12v ...

  • Page 221

    Pcb diagram and parts list 5-8 samsung electronics ass'y pcb main-hub (cont.) Ŷ dc 1 1 2 3 4 5 6 7 8 9 10 11.

  • Page 222

    Pcb diagram and parts list samsung electronics 5-9 ass'y pcb main-hub (cont.) Ŷ dc (cont.) ① cn714-cch1 ② cn715-main-cooling ③ cn713-cch2 ④ cn704-hotgas-valve1 #1 : cch1 #2 : cch1 #1: main-cooling #2: main-cooling ##1 : cch2 #2 : cch2 #1 : hotgas bypass1 #2 : hotgas bypass1 ⑤ cn705-hotgas-bypass2 ⑥ ...

  • Page 223

    5-10 samsung electronics 4 2 3 5 8 9 7 1 6 5-3 assy pcb inverter.

  • Page 224

    Pcb diagram and parts list samsung electronics 5-11 assy pcb inverter (cont.) ① w- comp w ② u-comp u ③ v-comp v ④ cn22-download #1 : comp w #1 : comp u #1 : comp v #1 : rx-down #2 : tx-down #3 : n-trst #4 : tdo #5 : tck #6 : tdi #7 : tms #8 : #9 : gnd #10 : vcc ⑤ cn32 – main comm ⑥ reactor (wire con...

  • Page 225

    5-12 samsung electronics ass’y pcb inverter (cont.) 4 8 10 9 7 6 11 12 13 1 2 3 5.

  • Page 226

    Pcb diagram and parts list samsung electronics 5-13 assy pcb inverter (cont.) ① w-comp w ② u-comp u ③ v-comp v ④ cn22-download #1 : comp w #1 : comp u #1 : comp v #1: rx-down #2: tx-down #3: boot #4: tdo #5: tck #6: tdi #7: tms #9: gnd #10: vcc ⑤ cn32 – main comm ⑥ cn702-reactor1 ⑦ cn701-reactor2 ⑧ ...

  • Page 227

    5-14 samsung electronics ① #reactor-a1 : wht #reactor-b1 : wht ② #reactor-a2 : blk #reactor-b2 : blk ③ #1 : rxd #2 : txd #3 : gnd #4 : dv5v #5 : dv12v #6 : inv,smpssignal ④ #1 : rxd_inv #2 : txd_inv #3 : boot_inv #4 : tdo_inv #5 : tck_inv #6 : tdi_inv #7 : tms_inv #8 : ntrst #9 : gnd #10~#11: 5v #14...

  • Page 228

    Samsung electronics 5-15 ① #reactor-a1 : wht #reactor-b1 : wht ② #reactor-a2 : blk #reactor-b2 : blk ③ #1 : rxd #2 : txd #3 : gnd #4 : dv5v #5 : dv12v #6 : inv,smpssignal ④ #1 : rxd_inv #2 : txd_inv #3 : boot_inv #4 : tdo_inv #5 : tck_inv #6 : tdi_inv #7 : tms_inv #8 : ntrst #9 : gnd #10~#11: 5v #14...

  • Page 229

    5-16 samsung electronics 5-5 ass’y pcb fan - model : 1-fan chassis 1 5 2 6 3 4.

  • Page 230

    Pcb diagram and parts list samsung electronics 5-17 ass’y pcb fan (cont.) ① cn102-fan1 hall sensing ② cn202-download1 ③ cn502-communication ④ cn501-communication #1 : hall-u #2 : 5v #3 : hall-v #4 : gnd #5 : hall-w #6 : motor-temp #7 : gnd #1 : rx-debug #2 : tx-debug #3 : boot #4 : tdo #5 : tck #6 :...

  • Page 231

    5-18 samsung electronics ass’y pcb fan (cont.) - model : 2-fan chassis 1 7 2 8 3 4 5 9 6.

  • Page 232

    Samsung electronics 5-19 ass’y pcb fan (cont.) ① cn102-fa1 hall sensing ② cn202-download1 ③ cn502-communication ④ cn501-communication #1 : hall-u #2 : 5v #3 : hall-v #4 : gnd #5 : hall-w #6 : motor-temp #7 : gnd #1 : rx-debug #2 : tx-debug #3 : boot #4 : tdo #5 : tck #6 : tdi #7 : tms #9 : gnd #10 :...

  • Page 233

    5-20 samsung electronics ① cn01,02,03-r,s,t input ② cn04,05,06-r,s,t output ③ cn22-hub 220v ④ cn23-inverter 220v cn01: t-in cn02: s-in cn03: r-in cn04: r-out cn05: s-out cn06: t-out #1: live #2: neutral #1: live #2: neutral #3: neutral ⑤ cn10-earth #1: earth 5-6 ass’y pcb emi 3 2 4 1 5.

  • Page 234

    Samsung electronics 5-21 5-7 outdoor unit pcb ① l1 : brn ② n1 : sky-blu ③ #1-#3 : ac 220~240v l1-ac power l phase n1-ac power n phase cn01-ac power 3 1 2 Ŷemi pba : single-phase am038/048/055kxwd66.

  • Page 235

    5-22 samsung electronics 5-8 sub-comm ① cn44 ② cn36 ③ cn#44 ④ cn45 ⑤ cn55 #1 : f1 #2 : f2 #1 : of1 #2 : of2 #1 : r1 #2 : r2 gnd #1 :f1 #2 :f2 #3 :of1 #4 :of2 #5 :r1 #6 :r2 1 2 3 4 5.

  • Page 236

    Samsung electronics 5-23 5-9 assy pcb water-hub 1 2 3 4 5 6 7 8 12 11 10 9 䆚 cn702-hot gas v/v ᐮ cn701-liquid v/v ᐯ cn101-ac input ᐰ cn102-ac output #1: n #3: t #1: n #3: t #1: n #3: t #1: n #3: t ᐱ cn103- 2way valve power output ᐲ cn703- water pump/2way valve/ flow sw ᐳ cn304 - micom download ᐴ cn9...

  • Page 237

    6-1 samsung electronics wiring diagram samsung electronics 6-2 6. Wiring diagram 6-1 am072/096/120/144fxva 66 this document can not be used without samsung’s authorization..

  • Page 238

    Wiring diagram 6-3 samsung electronics wiring diagram samsung electronics 6-4 '%$ 6-2 am072/096/120/192hxwa 66 this document can not be used without samsung’s authorization..

  • Page 239

    Wiring diagram 6-5 samsung electronics wiring diagram samsung electronics 6-6 6-3 am168/192hxvaj 6a this document can not be used without samsung’s authorization..

  • Page 240

    Wiring diagram 6-7 samsung electronics wiring diagram samsung electronics 6-8 6-4 am168/192hxvaf 6 this document can not be used without samsung’s authorization..

  • Page 241

    Wiring diagram 6-9 samsung electronics wiring diagram samsung electronics 6-10 6-5 am072/097kxvaj 6 this document can not be used without samsung’s authorization..

  • Page 242

    Wiring diagram 6-11 samsung electronics wiring diagram samsung electronics 6-12 6-6 am072kxvaf 6 this document can not be used without samsung’s authorization..

  • Page 243

    Wiring diagram 6-13 samsung electronics wiring diagram samsung electronics 6-14 6-7 am096kxvaf 6 this document can not be used without samsung’s authorization..

  • Page 244

    Wiring diagram 6-15 samsung electronics wiring diagram samsung electronics 6-16 6-8 am216kxvgj 6.

  • Page 245

    Wiring diagram 6-17 samsung electronics 6-9 am038/048/055kxwd 66 this document can not be used without samsung’s authorization..

  • Page 246: 7. Cycle Diagram

    Samsung electronics 7-1 7. Cycle diagram 7-1 am072fxvafh 6/am072fxvajh6 7-2 am096fxvajh/am120fxvajh s e s e s inv ofm ohx ac os ic hps lps hpsw e_m e_ev v_eb v_hg v_4w v_ar cv_e cv_d t_d t_s t_co t_ei t_eo t_l t_ct t_a ch v_es sv_g sv_l ipmc 약어 명칭 inv 인버터 압축기 (inveter compressor) ofm 실외팬 (outdoor fa...

  • Page 247

    7-2 samsung electronics 7-4 am072fxvafr 6/am072fxvajr6 s e s e s inv ac os ic hps lps hpsw e_m e_ev v_eb v_hg1 v_4w v_ar cv_e cv_d t_d t_s1 t_co t_ei t_eo t_l t_ct t_a ch v_es sv_hg sv_l ipmc ohx ofm cv_h v_hg2 sv_lg v_mc cv_mc t_s2 s s s v_oe abbreviation name inv inveter compressor ofm outdoor fan...

  • Page 248

    Samsung electronics 7-3 7-6 am096fxvafr 6/am120fxvafr6/am144fxvafr/am144fxvajr6/ am168hxvajr 6/am168hxvafr6/am192hxvajr/am192hxvafr6 s e s e s inv ofm ohx ac os ic ch hps lps hpsw e_m e_ev v_es v_eb v_hg v_4w v_ar cv_d t_d t_s t_co t_ei t_eo t_l t_ct t_a inv ch v_es cv_d t_d t_ct os hpsw sv_l ipmc i...

  • Page 249

    7-4 samsung electronics 7-8 am192hxwa 66 v s a1 c1 v4-2 d v1 t1-1 a2 v4-1 t1-2 c2 v10 e s e s v9 v11 v6 s t7 cv5-2 cv5-1 f t8 t9 s v2-2 g1 g2 i e1 t6 t5 cv4 v3 j cv3 l v8 cv2 t4 e v5 m t3 b s v2-1 cv1-2 cv1-1 k2 k1 t2-1 t2-2 h v7 7-7 am216kxvgjh abbreviation name a1, a2 inv comp b accum c1, c2 o/s d...

  • Page 250

    7-5 & r r olq j r s h ud wlr q 0d lq f rro lq j rshu 8ql w 2 x wg r r u x ql w ,qg r r u xql wv 2 xw g r r u x ql w 䀺䀻䀼䀽 䀿䁀 䁂 /r z whp s hu dw x uh su hv vx uh ol t x lg +l jk w h p sh ud wx uh s uh vv x uh j dv +l jk w h p sh ud wx uh s uh vv x uh ol tx lg /r z whp s hu dw x uh su hv vx uh j dv 0& ...

  • Page 251

    7-6 & r r olq j r s h ud wlr q 0 dl q f r r olq j r s h u 8ql w 2 x wg r r u xql w ,qg r r u xql wv 2 xw g r r u x ql w 䀺䀻䀼䀽 ׇ 䀿䁀 䁂 0& 8 䀾 0& 8 䁁 +hd wl q j rshud wl r q 0d lq k h dw lq j r sh u ¨ ¤ ¦ © ׇ ( ( ( &r r olq j &r r olq j &r r olq j ( &r r olq j ( ( +h dw lq j +h dw lq j £ « ¥ v v v v v v...

  • Page 252

    7-7 & rro lq j rshud wl r q 0d lq f rr olq j r sh u 8ql w 2 x wg r r u xql w ,qg r r u xql wv 2 x wg r r u x ql w 䀺䀻 䀽䀾 䁀䁁䁂 0& 8 䀼 0& 8 䀿 +hd wl q j rshud wl r q 0d lq k h dw lq j r s hu § ¦ ( ( ( ( ( ( +h dw lq j +h dw lq j +h dw lq j +h dw lq j +h dw lq j +h dw lq j £ ¤ ª « © v v v v v v ¥ v v v v...

  • Page 253

    7-8 & r r olq j r s h ud wlr q 0d lq f r r olq j r sh u 8ql w 2 x wg r r u xql w ,qg r r u xql wv 2 x wg r r u xql w 0& 8 0& 8 + h dw lq j r s h ud wlr q 0d lq k h dw lq j r sh u 䀺䀻 䀽䀾 ׇ׈ 䁀䁁䁂 䀼䀿 § ¦ ׇ £ ¤ ª « © ( ( ( ( +h dw lq j +h dw lq j +h dw lq j +h dw lq j ( ( & r r olq j &r r olq j v v v v v ...

  • Page 254

    7-9 ( ( ( ( ( ( § ¨ & r r olq j r s h ud wlr q + h dw lq j r s h udw lr q 8ql w 2 x wg r r u xql w ,q g r r u xql wv 2 x wg r r u xql w £¤¥¦ §¨ ©ª & rro lq j & rro lq j &r r olq j & r r olq j &r r olq j &r r olq j ¤ ¦ £ ª v v v ¥ /r z whp s hu dw x uh su hv vx uh ol t x lg +l jk w h p sh ud wx uh s ...

  • Page 255

    7-10 7-14 heating operation (h/p) & r r olq j r s h ud wlr q + h dw lq j r s h udw lr q 8ql w 2 x wg r r u xql w ,q g r r u xql wv 2 x wg r r u xql w £¤ ¥¦ §¨©ª ( ( ( ( ( ( ¥ ¦ +h dw lq j +h dw lq j +h dw lq j +h dw lq j +h dw lq j +h dw lq j ¤ § £ ª v v v ¨ /r z whp s hu dw x uh su hv vx uh ol t x ...

  • Page 256

    7-11 co o lin g op e ra ti o n m ain c oo lin g op e r . U nit o u td oor u nit in d oor u nit s o u td oor u nit ¢£¤¥ §¨ ª l o w te m p e ra tu re & pr e ss u re l iq u id h ig h te m p e ra tu re & pr e ss u re g as h ig h te m p e ra tu re & pr e ss u re l iq u id l o w te m p e ra tu re & pr e s...

  • Page 257

    7-12 ¢£¤ ¥ ׇ § ¨ ª ¦ © ¨ © ( ( ( & r r olq j & r r olq j &r r ol q j ( & r r olq j ( ( +h d wl q j +h d wl q j ε، ࡈࢴ ࣬ε، ࡈࢴ 7p kv ݥ࠶̘ ݥέ̘ ݥ࠶̘ /% 7 / % 7 Ο، ࡈࢴ ࣬Ο، ࡈࢴ ª v v v v v v v v v v v v § v v # % 8 & 8 6 # 8 6 % 8 ( v ( v 8 8 8 v 6 %8 %8 ( 6 6 v 8 ) ) + ' 6 6 %8 8 , %8 . 8 %8 6 ' 8 / 6 $ v 8 %...

  • Page 258

    7-13 ¢£ ¥¦ ¨©ª ¤ § § ¦ ( ( ( ( ( ( +h d wl q j +h d wl q j +h d wl q j +h d wl q j +h d wl q j +h d wl q j % q q nkp i q r g tc vkq p /c kp e q q nk p i q r g t 7p kv 1 w vf q q t wpkv +p f q q t wpkv u 1 w vf q q t wpkv /% 7 / % 7 * g cv kpi q r g tcv kq p /c kp j g c vk p i q r g t ¥ v v v v v v v...

  • Page 259

    7-14 7-18 main heating operation(h/r) 㽞 am080/100/120/200fxwa66 ¢£ ¥¦ ׇ ¨ © ª ¤§ § ¦ ׇ ( ( ( ( +h d wl q j +h d wl q j +h d wl q j +h d wl q j ( ( & rro lq j &r r ol q j ¥ v v v v v v v v v v v v ¨ % q qn kp i qr g tc vk q p / c kp e qqn kp i qr gt 7p kv 1 w vf q q t wpkv +pf q q t wpkv u 1 w vf q q...

  • Page 260

    Samsung electronics 7-15 7-19 am038kxwd 66 7-20 am048/055kxwd 66 Com pr es so r Do u bl e p i pe H/ E 4-Way V/V (SHF -11H) High Press. Sensor Hot gas bypass V/V T_water Tcout Tdis Filter Filter EEV(Samhwa ø1.3) Tsc Top 3/8" EEV (Samhwa DPF(O ) 4.0C) Accumulator (1,600cc) Charging port Pipe Pipe 5/8"...

  • Page 261

    7-16 samsung electronics 7-21 cycle component function explanation 1. Accumulator : separating the incoming liquid refrigerant to the compressor in order to prevent liquid refrigerant. 2. Oil separator : separating the oil from the refrigerant discharged from the compressor, and the separated oil is...

  • Page 262: 8. Key Options

    Samsung electronics 8-1 8. Key options 8-1 outdoor unit option switch settings switch setting setting remarks sw51/ sw52 setting total number of installed indoor unit sw51: tens digit, sw52: units digit setting can be done from the main outdoor unit only (sub unit: setting is nnecessary) ex) when 12...

  • Page 263

    8-2 samsung electronics sw58 k21 k22 k21 k22 ten one mcu 0 1 2 3 4 5 6 7 8 9 a b c d e f switch setting function remarks sw51/ sw52 setting total number of installed indoor unit sw51: tens digit, sw52: units digit setting can be done from the main outdoor unit only (sub unit: setting is unnecessary)...

  • Page 264

    Samsung electronics 8-3 interface module for connection of terminal block do not connect power or communication wire. Step push button display description remark number of connections units step 1 outdoor unit display needs to establish - step 2 at the same time, press the 2 seconds k1+k2 prepared t...

  • Page 265

    8-4 samsung electronics 8-2 how to set the key function of the outdoor unit tact switch installation and options of how to set up and functional description Ŷ options of how to set up (1) entry by pressing the k2 for a long time.(however, the operation is only possible during the stop.) - upon enter...

  • Page 266

    Key options samsung electronics 8-5 how to set the key function of the outdoor unit (cont.) 㽞 am6666xw666 setting the option Ŷ options of how to set up 1. Press and hold k2 to enter the option setting. (only available when the operation is stopped) -- if you enter the option setting, display will sh...

  • Page 267

    Key options 8-6 samsung electronics ※ setting outdoor install option step button display description note start outdoor unit address quantity of indoor units main unit? No no yes yes save heat recovery? Quantity of mcus outdoor unit address step1 outdoor unit display setting required- step2 press (k...

  • Page 268

    Key options samsung electronics 8-7 how to set the key function of the outdoor unit (cont.) 䒲 am6666xv666 optional item input unit seg1 seg2 seg3 seg4 function of the option remarks emergency operation for compressor malfunction individual 0 0 0 0 disabled (factory default) e560 will occur when all ...

  • Page 269

    Key options 8-8 samsung electronics optional item input unit seg1 seg2 seg3 seg4 function of the option remarks long-piping condition setting (setting is unnecessary if high-head condition is set) main 0 9 0 0 disabled (factory default) 0 1 level 1 when equivalent length of farthest indoor unit from...

  • Page 270

    Key options samsung electronics 8-9 䒲 am038/048/055kxwd66 optional item input unit seg 1 seg 2 seg 3 seg 4 function of the option remarks emergency operation for compressor mal- function individual 0 0 0 0 disabled (factory default) e560 will occur when all the compressors are set as malfunction sta...

  • Page 271

    Key options 8-10 samsung electronics optional item input unit seg 1 seg 2 seg 3 seg 4 function of the option remarks long-piping condition setting (setting is unnecessary if high-head condition is set) main 0 9 0 0 ( ) 0 1 level 1 when equivalent length of farthest indoor unit from the outdoor unit ...

  • Page 272

    Samsung electronics 8-11 how to set the key function of the outdoor unit (cont.) 䒲 am072/096/120/192hxwa66 optional item input unit seg1 seg2 seg3 seg4 function of the option remarks rotation defrost (hr only) main 1 1 0 0 disabled (factory default) 0 1 enabled when enabled, continuous heating opera...

  • Page 273

    8-12 samsung electronics how to set the key function of the outdoor unit (cont.) 䒲 am072/096/120/192hxwa66 optional item input unit seg1 seg2 seg3 seg4 function of the option remarks setting longpiping condition (setting is unnecessary if high-head condition is set.) main 0 9 0 0 disable (factory de...

  • Page 274

    Samsung electronics 8-13 8-3 how to check the view mode using a tact switch 㽞͑am6666xv666 rx ry rz r[ 7-SEGMENT (DISPLAY).

  • Page 275

    8-14 samsung electronics k3 (number of press) key operation display on segment 1 time intialize (reset) setting same as initial state k4 (number of press) key operation display on segment seg 1 seg2, 3, 4 1 time outdoor unit model 1 am120fxw 6 → off, 1, 2 2 times target frequency (compressor 1) 2 12...

  • Page 276

    Samsung electronics 8-15 ఐ͑display method of automatically assigned address in k4 view mode. (ex : "auto"→ "a001" →"auto" →"a003") page 1 display page 2 auto seg 1 seg 2 sec 3,4 indoor unit : "a" mcu : "c" indoor unit : "0" mcu : "c" address (no. 1 →01) ఐ display method of automatically assigned add...

  • Page 277

    8-16 samsung electronics dvm s water cooled view mode view mode 1 k4 (number of press) key operation display on segment seg 1 seg 2,3,4 1 time outdoor capacity 1 16 horsepower ĺ 0,1,6 2 times target frequency (compressor 1) 2 120hz ĺ 1,2,0 3 times high pressure (kg/cm2) 3 15.2k ĺ 1,5,2 4 times low p...

  • Page 278: 9. Test Operation

    Samsung electronics 9-1 9-1 auto trial operation 9-1-1 auto trial operation synopsis 1) what is the auto trial operation? Dvm s main components defective check and check the status of the installation, provide guidelines that can promptly and accurately resolve the problems that may occur in the fie...

  • Page 279

    Test operation 9-2 samsung electronics ఐ if out of warranty coverage and bounds, installation, operation according to the conditions the some of items displayed as "undetermined" and judgment is not. Ex) system that module installed : if the outdoor unit is not operation by the load on the indoor an...

  • Page 280

    Test operation samsung electronics 9-3 9-1-2 auto trial operation functions 1)preliminary checking and auto trial operation flow chart (1) preliminary checking - check the installation status : outdoor and indoor unit piping, communication, power, amount of refrigerant added, etc. (2) auto trial ope...

  • Page 281

    Test operation 9-4 samsung electronics 9-1-3 how to troubleshoot of the "undetermined" 1) indoor unit temperature sensor Ŷ inspection item : indoor temperature of each indoor unit, eva in / out temperature sensor Ŷ error code: none (the resulting report "undetermined") Ŷ determine the status of the ...

  • Page 282

    Test operation samsung electronics 9-5 2) outdoor unit temperature sensor Ŷ inspection item : outdoor temperature of each outdoor unit, cond_out, evi in / out, suction, liquid pipe temperature sensor Ŷ error code: none (the resulting report "undetermined") Ŷ determine the status of the temperature s...

  • Page 283

    Test operation 9-6 samsung electronics 3) high / low pressure sensor (module installed) Ŷ high/low pressure sensor of each of the outdoor unit that module is installed. Ŷ error code of high pressure sensor : e505 (the resulting report "undetermined") error code of low pressure sensor : e506 (the res...

  • Page 284

    Test operation samsung electronics 9-7 4) pressure sensor (independent installation) Ŷ inspection item : high/low pressure sensor of the independent installed outdoor unit. Ŷ error code: none (the resulting report "undetermined") Ŷ determine the status of the pressure sensor of the independent insta...

  • Page 285

    Test operation 9-8 samsung electronics 5) service valve Ŷ inspection item : outdoor unit service valve is open / closed Ŷ error code: e503 (the resulting report "undetermined") Ŷ determine the status of the service valve open / closed of the each outdoor unit. Ŷ if the judgment of outdoor unit servi...

  • Page 286

    Test operation samsung electronics 9-9 6) abnormal operation of the compressor Ŷ inspection item : operation current of outdoor unit compressor. Ŷ error code: none (the resulting report "undetermined") Ŷ determine the status of the operating current of the each outdoor unit compressor. Ŷ if the judg...

  • Page 287

    Test operation 9-10 samsung electronics 7) cycle status Ŷ inspection item : cycle status of outdoor unit. Ŷ error code: none (the resulting report "undetermined") Ŷ determine the cycle status of the each outdoor unit. Ŷ if the judgment of cycle status is "undetermined" : checking in accordance with ...

  • Page 288

    Test operation samsung electronics 9-11 8) 4way valve Ŷ inspection item : 4way valve of outdoor unit. Ŷ error code: none (the resulting report "undetermined") Ŷ determine the 4way valve operation status of the each outdoor unit. Ŷ if the judgment of 4way valve is "undetermined" : checking in accorda...

  • Page 289

    Test operation 9-12 samsung electronics 9) evi eev Ŷ inspection item : evi eev of outdoor unit. Ŷ error code: none (the resulting report "undetermined") Ŷ determine the evi eev operation status of the each outdoor unit. Ŷ if the judgment of evi eev is "undetermined" : checking in accordance with the...

  • Page 290

    Test operation samsung electronics 9-13 10) main eev Ŷ inspection item : main eev of outdoor unit.(auto trial operation : heating only ) Ŷ error code: none (the resulting report "undetermined") Ŷ determine the main eev operation status of the each outdoor unit. Ŷ if the judgment of main eev is "unde...

  • Page 291

    9-14 samsung electronics 9-2 amount of refrigerant automatically checking through the detect operation is the ability to verify automatically for the amount of refrigerant. Start "k2" tact switch : press the 5 times. Signal input temperature conditions satisfied temperature conditions satisfied chec...

  • Page 292: 10. Reference Sheet

    Samsung electronics 10-1 10-1 nomenclature ”product notation a standard general temp.+module d standard general temp.+none module g high general temp.+none module s standard h a h v h f h 072 h am h f h x classification am dvm capacity 666 btu/h(*100) ‘version f 2013 g 2014 h 2015 k 2016 mode c co...

  • Page 293

    This service manual is a property of samsung electronics co., ltd. Any unauthorized use of manual can be punished under applicable international and/or domestic law. © samsung electronics co., ltd. January. 2017. Printed in korea. Code no. Ac-00076e_6 gspn (global service partner network) area web s...