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Samsung AC026MN1DKH Service Manual

Manual is about: SYSTEM AIR CONDITIONER

Summary of AC026MN1DKH

  • Page 1

    Air conditioner contents system air conditioner 1. Precautions 2. Product specifications 3. Disassembly and reassembly 4. Troubleshooting 5. Pcb diagram 6. Reference sheet indoor unit outdoor unit model : ac036jb1dec ac036jcadec ac052jb1dec ac052jcadec ac071jb1dec ac071jcadec ac026mn1dkh ac035mn1dkh...

  • Page 2: Contents

    Contents 1 1. Precautions ........................................................................................................................................ 1-1 1-1 precautions for the service ........................................................................................................

  • Page 3

    4-4 troubleshooting by symptoms .................................................................................................................... 4-27 4-4-1 indoor temperature sensor (open/short)(e121).......................................................................... 4-27 4-4-2 indoor hea...

  • Page 4: 1. Precautions

    Samsung electronics 1-1 1. Precautions 1-1 precautions for the service ●use the standard parts when replacing the electric parts. – confirm the model name, rated voltage, rated current of the electric parts. ●when repairing the equipment, connection of the harness parts must be firm and solid. – a l...

  • Page 5

    1-2 samsung electronics 1-3 precautions related to product safety ●do not pull the power cord and do not touch the power plug or aux power switch with wet hands. – it might cause electric shock or fire. ●a damaged power line or power plug must be replaced to prevent danger. ●do not bend the power ca...

  • Page 6: 2. Product Specifications

    Samsung electronics 2-1 ●built-in cassette type after installed, the air conditioner can be harmonized with a room interior. ●high performance & energy saving with the advanced bldc inverter technology, it makes a room cool with highly energy saving and arises the efficiency of air conditioner. ●lon...

  • Page 7

    2-2 samsung electronics 2-2 product specifications item ac036jb1dec/tl ac026/035mn1dkh/tk ac026/035mn1dkh/eu ac036jcadec/tl ac052jb1dec/tl ac052jcadec/tl ac071jb1dec/tl ac071jcadec/tl image indoor unit outdoor unit remote controller wireless remote controller : mr-ec00 wired remote controller : mwr-...

  • Page 8

    Samsung electronics 2-3 2-3 accessories ■1way cassette (ac ✳✳✳jb1dec series) item descriptions code-no. Q'ty remark ac036jb1dec ac052jb1dec ac071jb1dec pattern sheet db69-01947a 1 1 essential offer (indoor unit) db69-01947b 1 1 db69-03017a 1 1 db69-03017b 1 1 installation gauge db69-01936a 1 1 insta...

  • Page 9

    2-4 samsung electronics ■wireless remote controller (mr-ec00) item descriptions code-no. Q'ty remark wireless remote controller db93-14643k 1 optional batteries for remote controller (specification: ""aaa"" type) 4301-000121 2 remote controller holder db61-06087a 1 m4×16 screw 6002-000581 2 user’s m...

  • Page 10

    Samsung electronics 2-5 ■wired remote controller (mwr-we10) [code no. : db97-17002b] item descriptions code-no. Q'ty remark wired remote controller db93-11251b 1 optional cable tie db65-10088b 2 cable clamp db65-10074e 3 m4×16 screw 6002-000474 5 user’s manual db98-32810a 1 installation guide db98-3...

  • Page 11

    2-6 samsung electronics 䒲 central controller (mcm-a202d) [code no. : db97-18602b] item descriptions code-no. Q'ty remark central controller db93-03425n 1 optional cable tie db65-10088b 2 cable clamp db65-10074e 5 m4 x 16 screw 6002-000474 7 user’s manual db98-33437a 1 installation guide db98-33434a ...

  • Page 12

    Samsung electronics 2-7 䒲 filter accessory item descriptions code-no. Q'ty panel code remark dust filter db63-01694a 1 pc1nusman basic/ water wash db63-01695a 1 dust filter db63-02354a 1 pc1nupman basic/ water wash db63-02355a 1 dust filter db63-02276a 1 pc1bwsean basic/ water wash db63-02277a 1 dus...

  • Page 13

    2-8 samsung electronics 䒲 front panel item descriptions code-no. Q'ty remark pc1nusman ac036jb1dec* 1 pc1bwsean ac052jb1dec* ac071jb1dec* 2 pc1nupman ac036jb1dec* 5 pc1bwpean ac052jb1dec* ac071jb1dec* 7.

  • Page 14

    Samsung electronics 3-1 q necessary tools 3. Disassembly and reassembly item remarks +screw driver monkey spanner –screw driver nipper electric motion driver l-wrench spanner torque wrench.

  • Page 15

    3-2 samsung electronics no parts procedure remark 1 panel & filter normal type (pc1nwsk 1n pc1nwak 1n) 1) push the push button of grille and open it. 2) detach one clip from panel and separate the grille from panel tilting the grille 45°. 3) detach filter from panel. 4) detach 3 cover screws. 5) uns...

  • Page 16

    Samsung electronics 3-3 no parts procedure remark 6) press the left and right hook of panel and detach the panel from the indoor unit..

  • Page 17

    3-4 samsung electronics no parts procedure remark 2 control-box 1) unscrew 5 fixing screws of drain pan. (use +screw driver) 2) pull the drain pan and detach it from indoor unit. Be careful that your hands don't touch heat exchanger panel when you detach the drain pan. 3 electrical equipment part 1)...

  • Page 18

    Samsung electronics 3-5 no parts procedure remark electrical equipment part 2) detach several connector connected to the indoor unit pcb. 3) detach electrical equipment part from indoor unit. 4 drain sub 1) press the hook of drain sub and detach it..

  • Page 19

    3-6 samsung electronics no parts procedure remark 5 heat exchanger 1) unscrew 1 fixing screws of heat exchanger. (use +screw driver) 2) detach indoor unit sensor from heat exchanger. 3) detach heat exchanger from indoor unit. 6 cross pan 1) unscrew 3 fixing screws of cover fan motor. (use +screw dri...

  • Page 20

    Samsung electronics 3-7 no parts procedure remark 6 cross pan 3) detach cross fan from indoor unit. 7 drain pump 1) unscrew 1 fixing screws of cover drain pump. (use +screw driver) 2) detach drain hose from drain pump. 3) detach drain pump from indoor unit. 8 spi kit 1) detach spi kit from..

  • Page 21

    3-8 samsung electronics no parts procedure remark 1 panel & filter normal type(pc1nwsk 1n pc1nwak 1n) 1) push the push button of grille and open it. 2) detach one clip from panel and separate the grille from panel tilting the grille 90°. 3) detach filter from panel. 4) detach 4 cover screws. 5) unsc...

  • Page 22

    Samsung electronics 3-9 no parts procedure remark 6) press the left and right hook of panel and detach the panel from the indoor unit. 2 drain pan 1) unscrew 6 fixing screws of drain pan. (use +screw driver) 2) detach from indoor unit after separating 2 drain pan fixing hook be careful that your han...

  • Page 23

    3-10 samsung electronics no parts procedure remark 4 electrical equipment part 1) detach a cover unscrewing 3 electrical equipment part fixing screw. 2) detach several connector connected to indoor unit pcb..

  • Page 24

    Samsung electronics 3-11 no parts procedure remark electrical equipment part 3) detach electrical equipment part from indoor unit. 5 drain pan 1) unscrew 2 fixing screws of drain pan. (use +screw driver) 2) release band ring and detach drain hose from drain pump. 3) detach drain pump from indoor uni...

  • Page 25

    3-12 samsung electronics no parts procedure remark 6 drain sub 1) unscrew a drain sub fixing screw. (use +screw driver) 2) hold hook of drain sub and detach it. 7 heat exchanger 1) unscrew 1 fixing screws of heat exchanger. (use +screw driver) 2) detach indoor unit sensor from heat exchanger. 3) det...

  • Page 26

    Samsung electronics 3-13 no parts procedure remark 4) detach heat exchanger from indoor unit. 8 cross pan 1) unscrew 3 fixing screws of cover fan motor. (use +screw driver) 2) unscrew a fixing screw of holder fan. (use +screw driver) assemble to match a side end of holder fan with a side of cross fa...

  • Page 27

    3-14 samsung electronics no parts procedure remark 3) detach cover fan motor from indoor unit. 4) unscrew 1 fixing screws of cross fan. 5) detach cross fan from indoor unit..

  • Page 28

    Samsung electronics 3-15 3-2 outdoor unit 䒲 ac036/052jcadec series no parts procedure remark 1 1) stop the operation of air conditioner and shut off the main power. 2 assy cabi top 1) loosen 6 pcs screw and detach the assy cabi top..

  • Page 29

    3-16 samsung electronics no parts procedure remark 3 assy cover control 1) loosen 1 pcs screw and detach the assy cover control. 4 assy cabi side rh 1) loosen 2 pcs screws fixed to assemble control box with cabinet-side rh. 2) loosen fixing 7 pcs screws and detach the cabinet-side rh..

  • Page 30

    Samsung electronics 3-17 no parts procedure remark 5 guard cond 1) loosen 1 pcs screw and detach the guard cond. 6 assy cabinet front 1) loosen 5 pcs screws and detach the assy cabinet front..

  • Page 31

    3-18 samsung electronics no parts procedure remark 7 fan & motor, bracket motor 1) loosen the 1 nut according the indication and detach the fan propeller. 2) disconnect the motor wire from assy control out. 3) loosen 4 pcs screws and detach the motor. 4) loosen 5 fixing screws and detach the bracket...

  • Page 32

    Samsung electronics 3-19 no parts procedure remark 8 assy control out 1) detach several connectors from the assy control out. 2) loosen 1 pcs screws fixed to assemble control box with assy partition and detach the assy control out..

  • Page 33

    3-20 samsung electronics no parts procedure remark 9 thermister 1) disconnect the thermister wire from assy control out. 2) detach the temperature sensor assembled to pipe & heat exchanger. 10 reactor 1) loosen 3 pcs screws and detach the reactor..

  • Page 34

    Samsung electronics 3-21 no parts procedure remark 11 compressor remove the refrigerant surely before compressor disassembly. 1) disassemble the felt compressor sound. 2) loosen the fixing nut and detach the compressor lead wire. 3) disassemble the pipes in both discharge pipe and suction pipe with ...

  • Page 35

    3-22 samsung electronics no parts procedure remark 12 tube parts (assy tube suction, assy tube discharge, assy tube eev) 1. Remove the refrigerant surely before pipe disassembly. 2. Disassemble eev coil before work when you replace eev. 3. Please weld after wrapping head with a towel and others so t...

  • Page 36

    Samsung electronics 3-23 䒲 ac071jcadec series no parts procedure remark 1 common work 1) stop the operation of air conditioner and shut off the main power. 2 assy cabi top 1) loosen 8 pcs screw and detach the assy cabi top..

  • Page 37

    3-24 samsung electronics no parts procedure remark 3 assy cover control 1) loosen 1 pcs screw and detach the assy cover control. 4 assy cabi side rh 1) loosen 2 pcs screws fixed to assemble control box with cabinet-side rh. 2) loosen fixing 7 pcs screws and detach the cabinet-side rh..

  • Page 38

    Samsung electronics 3-25 no parts procedure remark 5 guard cond 1) loosen 1 pcs screw and detach the guard cond. 6 assy cabinet front 1) loosen 7 pcs screws and detach the assy cabinet front..

  • Page 39

    3-26 samsung electronics no parts procedure remark 7 fan & motor, bracket motor 1) loosen the 1 nut according the indication and detach the fan propeller. 2) disconnect the motor wire from assy control out. 3) loosen 4 pcs screws and detach the motor. 4) loosen 2 fixing screws and detach the bracket...

  • Page 40

    Samsung electronics 3-27 no parts procedure remark 8 assy control out 1) detach several connectors from the assy control out. 2) loosen 2 pcs screws fixed to assemble control box with assy partition and detach the assy control out. 9 thermister 1) disconnect the thermister wire from assy control out...

  • Page 41

    3-28 samsung electronics no parts procedure remark 2) detach the temperature sensor assembled to pipe & heat exchanger..

  • Page 42

    Samsung electronics 3-29 no parts procedure remark 10 reactor 1) loosen 3 pcs screws and detach the reactor. 11 compressor remove the refrigerant surely before compressor disassembly. 1) disassemble the felt compressor sound. 2) loosen the fixing nut and detach the compressor lead wire. 3) disassemb...

  • Page 43

    3-30 samsung electronics no parts procedure remark 12 tube parts (assy tube suction, assy tube discharge, assy tube eev) 1. Remove the refrigerant surely before pipe disassembly. 2. Disassemble eev coil before work when you replace eev. 3. Please weld after wrapping head with a towel and others so t...

  • Page 44

    Samsung electronics 3-31 no parts procedure remark 13 heat excharger remove the refrigerant surely before heat exchanger. 1) loosen fixing screw on both sides. 2) disassemble the pipes in both inlet and outlet with welding torch. 3) detach the heat exchanger..

  • Page 45: 4. Troubleshooting

    Samsung electronics 4-1 4. Troubleshooting 4-1 setting an indoor unit address and installation option ▶ set the indoor unit address and installation option with remote controller option. Set the each option separately since you cannot set the address setting and indoor unit installation setting opti...

  • Page 46

    4-2 samsung electronics 4-1-2 the procedure of setting option option setting status 1. Setting seg2, seg3 option press low fan button( ) to enter seg2 value . Press high fan button( ) to enter seg3 value . Each time you press the button, p p … p will be selected in rotation . Seg2 seg3 2. Setting co...

  • Page 47

    Samsung electronics 4-3 the procedure of setting option (cont.) option setting status 12. Setting cool mode press mode button to be change to cool mode in the off status. 13. Setting seg16, seg17 option press low fan button( ) to enter seg16 value. Press high fan button( ) to enter seg17 value. Each...

  • Page 48

    4-4 samsung electronics step 3. Check the option you have set after setting option, press button to check whether the option code you input is correct or not. Step 4. Input option press the operation button with the direction of remote control for set. For the correct option setting, you must input ...

  • Page 49

    Samsung electronics 4-5 1. If you want to use the various additional functions for your wired remote controller, press the set and esc buttons at the same time for more than three seconds. Ź you will enter the additional function settings, and the [main menu] will be displayed. 2. Refer to the list ...

  • Page 50

    4-6 samsung electronics 4-1-4 setting an indoor unit installation option (suitable for the condition of each installation location) 1. Check whether power is supplied or not. - when the indoor unit is not plugged in, there should be additional power supply in the indoor unit. 2. The panel(display ) ...

  • Page 51

    Samsung electronics 4-7 option no. : 02xxxx-1xxxxx-2xxxxx-3xxxxx option seg1 seg2 seg3 seg4 seg5 seg6 explanation page mode reserved use of external temperature sensor use of central control reserved remote controller display indication and details indication details indication details indication de...

  • Page 52

    4-8 samsung electronics 4-1-5 changing a particular option you can change each digit of set option. T 8ifodibohjohbejhjupgbojoeppsvojubeesftttfuujohpqujpo tfuuif4&(bta" t 8ifodibohjohbejhjupgjoeppsvojujotubmmbujpopqujpo tfuuif4&(bta ex) when setting the 'buzzer control' into disuse status. Option se...

  • Page 53

    Samsung electronics 4-9 4-1-6 option code for each model model seg1 seg2 seg3 seg4 seg5 seg6 seg7 seg8 seg9 seg10 seg11 seg12 remocon display ac036jb1dec 0 1 7 0 7 c 1 1 0 4 2 d ac052jb1dec 0 1 8 0 7 c 1 9 0 4 2 c ac071jb1dec 0 1 8 0 7 c 1 9 0 4 4 c model seg13 seg14 seg15 seg16 seg17 seg18 seg19 se...

  • Page 54

    4-10 samsung electronics 4-2 items to check before diagnostics 4-2-1 test run mode and view mode 䒲 display option key ఐ͑͑short push k2 (start cooling test mode) ױ short push 1 more time (stop cooling test mode and start inverter checker mode) ױ ͑ short push 1 more time (stop inverter checker mode) s...

  • Page 55

    4-11 samsung electronics error mode led display cau operation timer spi filter blue green blue blue blue power reset x x x x abnormal power. Error on room temperature sensor of indoor unit (short or open) (e121) x x x x indoor unit temperature s error on eva-in sensor of indoor unit (short or open)(...

  • Page 56

    Samsung electronics 4-12 use action to take judgement method reset power - sensor open/short. Check the connection of indoor unit main pcb and sensor wire.Check open/short of indoor unit main pcb, sensor parts pattern and parts. 4-27 page er open/short. Check the connection of indoor unit main pcb a...

  • Page 57

    4-13 samsung electronics option seg19 seg20 seg21 seg22 seg23 seg24 explanation page individual control of a remote controller heating setting compensation reserved motion detect sensor reserved indication and details indication details indication details 0 disuse indication details 3 0 or 1 indoor ...

  • Page 58

    Samsung electronics 4-14 you can change each digit of set option. Option seg1 seg2 seg3 seg4 seg5 seg6 explanation page mode the option mode you want to change the tens’ digit of an option seg you will change the unit digit of an option seg you will change the changed value indication and details in...

  • Page 59

    4-15 samsung electronics 4-2-4 option code for each model model option code acn026ndeha/eu 015077-1660f8-271a21-370000 acn035ndeha/eu 015077-166219-272328-370000 acn052ndeha/eu 015077-17625d-273437-370040 acn060ndeha/eu 015077-18626e-273c46-370040 acn071ndeha/eu 015077-156391-274750-370040 acn026nde...

  • Page 60

    4-16 samsung electronics samsung electronics 4-17 4-3 items to check before diagnostics 4-3-1 four directions cassette type error mode cause measures product operation with error diagnosis method operation defrost timer filter outdoor unit compressor outdoor unit fan indoor unitheat fan x x x power ...

  • Page 61

    4-18 samsung electronics 4-3-2 test run mode and view mode 䒲 display option key key key operation 7-segment display k1 press once : heating test run i [comparison of weights with other companie hauzen other companie weight 20kg 17kg 35% 29kg wi wi#-"/,wi#-"/,w press twice : defrost test run i [compa...

  • Page 62

    Samsung electronics 4-19 4-3-3 eco mode(power save) mode display eco mode lamp segment 1 segment 2 segment 3 segment 4 red color eco mode i#-"/,w i#-"/,w i#-"/,w i#-"/,w on exit eco mode press k3 to exit off eco mode lamp : red.

  • Page 63

    4-20 samsung electronics 4-3-4 1 way cassette type 㽞 error detection and reoperation 1. If an error occurs during operation, the led flashes to indicate that there is a problem then all operations stop except led. 2. When resuming operation with remote controller and switch, it determines error mode...

  • Page 64

    Samsung electronics 4-21 error led lamp display cause actions to take operation defrost 䢻 x 䢻 䢻 x ח eeprom part defect ח eeprom circuit defect ח check non-delivery/cool delivery/non-insertion of ic51 part pin. ח check non-delivery/cool delivery/non-insertion of ic51 peripheral circuit components. 䢻 ...

  • Page 65

    4-22 samsung electronics 4-3-5 troubleshooting for outdoor unit no. Error code meaning remarks 1 e121 error on room temperature sensor of indoor unit (short or open) indoor unit room thermistor open/short 2 e122 error on eva in sensor of indoor unit (short or open) indoor unit eva_in thermistor open...

  • Page 66

    Samsung electronics 4-23 no. Error code meaning remarks 24 e463 over current trip / pfc over current error check olp sensor 25 e464 ipm over current(o.C) ipm 26 e465 comp. Over load error - 27 e466 dc-link voltage under/over error check ac power and dc link voltage 28 e467 error due to abnormal rota...

  • Page 67

    4-24 samsung electronics 4-3-6 wired remote controller - if an error occurs, ( ) icon will be displayed on the wired remote controller. - press the test button to see the error code. Error mode contents measure product operation in error condition error type outdoor unit/ compressor/indoor unit indo...

  • Page 68

    Samsung electronics 4-25 wired remote controller (cont.) error mode contents measure product operation in error condition error type outdoor unit/ compressor/indoor unit emission temperature excessively high no error (discharge temperature control) - outdoor unit protection control error high pressu...

  • Page 69

    4-26 samsung electronics wired remote controller (cont.) error mode contents measure product operation in error condition error type outdoor unit/ compressor/indoor unit [inverter] dc link voltage sensor error check the input power connection check the status of ry21 and r200 in the inverter pcb ope...

  • Page 70

    Samsung electronics 4-27 indoor unit display 4way x (operation) (defrost) x (timer) x (filter) 1way x (operation) x (defrost) (reservation) x (fan) x (filter) symptom in case of open or short circuit of indoor temperature sensor failure short or leakage of the corresponding sensor yes no no in this ...

  • Page 71

    4-28 samsung electronics yes no no in this case, is the resistance value out of range in the temperature table on the right? Yes is the indoor heat exchanger temperature sensor connector disconnected from the pcb? Restart the system after replacing the pcb restart the system after connecting the con...

  • Page 72

    Samsung electronics 4-29 indoor unit display 4way x (operation) x (defrost) (timer) x (filter) 1way x (operation) x (defrost) x (reservation) (fan) x (filter) symptom indoor unit fan does not run /runs at excessive high speed and stops failure check if the motor connector is disconnected/ check the ...

  • Page 73

    4-30 samsung electronics indoor unit display 4way x (operation) (defrost) (timer) x (filter) 1way x (operation) x (defrost) (reservation) (fan) x (filter) symptom communication error between the indoor and outdoor unit for two minutes failure communication error between the indoor unit and outdoor u...

  • Page 74

    Samsung electronics 4-31 indoor unit display 4way x (operation) x (defrost) (timer) (filter) 1way x (operation) x (defrost) x (reservation) (fan) (filter) symptom the indoor unit floating sensor is open and that state is maintained for more than one minute. Failure increase in the drain pan water le...

  • Page 75

    4-32 samsung electronics indoor unit display 4way (operation) (defrost) (timer) x (filter) 1way ac 666 jb1dec 6 except ac 666 mn1dkh 6 except (operation) x (defrost) (reservation) (fan) x (filter) 1way ac 666 jb1dec 6 only ac 666 mn1dkh 6 only (operation) (defrost) (reservation) (fan) (filter) sympt...

  • Page 76

    Samsung electronics 4-33 indoor unit display 1way ac666jb1dec6 except ac 666 mn1dkh 6 except x (operation) x (defrost) (reservation) (fan) (filter) symptom thermal fuse open error failure check the connection of the cn140 wire. Check the connection of the terminal block. (temperature rise by untight...

  • Page 77

    Samsung electronics 5-1 pcb diagram and parts list 5. Pcb diagram and parts list 5-1 indoor unit 5-1-1 slim 1 way cassette type ■ 1way cassette(ac036jb1dec6, ac026/036mn1dkh6) 22 1 2 3 4 5 16 11 17 6 18 7 19 8 20 9 12 14 13 23 15 21 10

  • Page 78

    Pcb diagram and parts list 5-2 samsung electronics 1way cassette(ac036jb1dec6,ac026/036mn1dkh6) (cont.) ① #1: gnd ② #1: power(n) #3 : ssr motor power(l) #5 : power(n) ③ #1: fuse check signal #2: gnd ④ #1 : room thermistor #2 : gnd ⑤ #1: dc12v #2: led_0 #3: led_1 #4: led_2 #5: led_3 #6: led_4 #8: rem...

  • Page 79

    Samsung electronics 5-3 pcb diagram and parts list ■ 1way cassette(ac052/071jb1dec6) 22 1 2 3 4 16 5 11 6 7 8 20 10 13 15 23 17 18 19 9 12 21 14.

  • Page 80

    Pcb diagram and parts list 5-4 samsung electronics 1way cassette(ac052/071jb1dec6) (cont.) ① #1: gnd ② #1: dc310v #3 : gnd #4 : dc15v #5 : fan rpm #6 : rpm feedback ③ #1: fuse check signal #2: gnd ④ #1 : dc12v #4 : remocon signal #5 : gnd ⑤ #1: dc12v #2: led_0 #3: led_1 #4: led_2 #5: led_3 #6: led_4...

  • Page 81

    Samsung electronics 5-5 pcb diagram and parts list 5-1-2 panel pcb ■ 1way cassette 1 ① #1 : cn01- indoor unit main pba connection #1,#2,#3,#4,#5 : display led control #6: not used #7: receive remocon signal dc connector.

  • Page 82

    Pcb diagram and parts list 5-6 samsung electronics 17 6 7 1 16 2 11 4 13 12 3 5 8 14 9 15 10 ■ main pcb - ac036/052jcadec6 5-2 outdoor unit.

  • Page 83

    Samsung electronics 5-7 pcb diagram and parts list ① #1-7: segment signal #8-10: key input signal ② #1: key input signal #2-5: grid signal #6-10: repeater signal ③ #1 : dc 12v #2 : gnd #3 : dc 5v #4-5: comm signal ④ #1 : gnd #2 : not used #3 : dc5v #4 : enable #5 : rx #6 : tx #7 : clock ⑤ #1 : f1 #2...

  • Page 84

    Pcb diagram and parts list 5-8 samsung electronics 5 6 9 17 7 4 3 2 12 15 14 13 1 11 8 10 16 outdoor pcb (cont.) ■ main pcb - ac071jcadec6.

  • Page 85

    Samsung electronics 5-9 pcb diagram and parts list outdoor pcb (cont.) ■ main pcb - ac071jcadec6 ① #1-7: segment signal #8-10: key input signal ② #1: key input signal #2-5: grid signal #6-10: repeater signal ③ #1 : dc 12v #2 : gnd #3 : dc 5v #4-5: comm signal ④ #1 : gnd #2 : not used #3 : dc5v #4 : ...

  • Page 86

    Pcb diagram and parts list 5-10 samsung electronics ① #1 : dc 15v #2 : gnd #3 : enable ② #1 : neutral #2 : live ③ #1 : dc 12v #2 : gnd #3 : dc 5v con03 - inverter dc power con01 - smps ac power con02 - main dc power 1 3 2 outdoor pcb (cont.) ■ smps - ac666jcadec6.

  • Page 87

    Samsung electronics 5-11 pcb diagram and parts list 3 1 2 ① #1~7 : segment signal #8~10 : key input signal ② #1 : key input signal #2~5 : grid signal #6~10 : repeater signal ③ #1 : dc 12v #2 : gnd #3 : dc 5v #4~5 : not used cn501 - inverter pba cn502 - inverter pba cn205 - sub display outdoor pcb (c...

  • Page 88: 6. Reference Sheet

    Samsung electronics 6-1 reference sheet model code 6. Reference sheet 6-1 index for model name 6-1-1 indoor unit ※ "/" can be removed from the buyer card if there are not enough digits. Product type am dvm aj pma ac cac (usd) / asd ae ehs an vtl ak pak (packaged system) ag chr separator s general se...

  • Page 89

    Reference sheet 6-2 samsung electronics index for model name (cont.) model code 6-1-2 outdoor unit ※ ★ mcd: dummy mock-up model ※ “/” can be removed from the buyer card if there are not enough digits. Product type am dvm aj pma ac cac (usd) / asd ae ehs an vtl ak pak (packaged system) ag chr separat...

  • Page 90

    Samsung electronics 6-3 reference sheet index for model name (cont.) model code 6-1-3 panel ※ model name for the column/bundle packaging is “~s”. ★ only display the global 4 way with korean/ english k separator. H m h s h a h n h c h p h 1n h u product design classification p panel product type c cs...

  • Page 91

    Reference sheet 6-4 samsung electronics compressor accumulator outdoor unit indoor unit eev heat exchanger 6-2 refrigerating cycle diagram category symbol description compressor rotary inveter compressor heat exchanger condensing/evaporating unit accumulator accumulator valve expansion electronic ex...

  • Page 92

    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. December. 2016. Printed in korea. Code no. Ac-00124e_2 gspn (global service partner network) area web ...