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Samsung AQ07A1VE Service Manual

Other manuals for AQ07A1VE: Installation Manual, Service Manual
Manual is about: Room AC

Summary of AQ07A1VE

  • Page 1

    Service manual contents air conditioner 1. Precautions 2. Product specifications 3. Operating instructions and installation 4. Disassembly and reassembly 5. Troubleshooting 6. Exploded views and parts list 7. Block diagrams 8. Pcb diagrams 9. Wiring diagrams 10. Schematic diagrams room air condition...

  • Page 2

    1. Precautions samsung electronics 1-1 1. Warning: prior to repair, disconnect the power cord from the circuit breaker. 2. Use proper parts: use only exact replace- ment parts. (also, we recommend replacing parts rather than repairing them.) 3. Use the proper tools: use the proper tools and test equ...

  • Page 3

    2. Product specifications 2-1 table 2-1 samsung electronics model item type cooling kw dehumidifying l/h heating kw low temp. Heating kw air volume cooling m 3 /min heating m 3 /min noise cooling db heating db energy cooling kw/kw efficiency ratio heating kw/kw power ø/v/hz power cooling kw consumpt...

  • Page 4

    Samsung electronics 2-2 model item type cooling kw dehumidifying l/h heating kw low temp. Heating kw air volume cooling m 3 /min heating m 3 /min noise cooling db heating db energy cooling kw/kw efficiency ratio heating kw/kw power ø/v/hz power cooling kw consumption heating kw operating cooling a c...

  • Page 5

    2-3 samsung electronics 2-2 dimensions 2-2-1 indoor unit 815 182 2 9 8 58 22 1 6 1 air in (front view) (remote control) (rear view) air out installation plate.

  • Page 6

    Product specifications samsung electronics 2-4 2-2-2 outdoor unit (front view) 720 145 55 245 600 10 10 765 443 256 532 (rear view) 230 506 270 525 740 57 20 11 ■ ✳✳ yabx.

  • Page 7

    2-5 samsung electronics indoor unit outdoor unit heat exchanger (evaporator) gas side 3-way valve 2-way valve liquid side capillary tube cooling gas leak check point c ro ss fa n heat exchanger (condenser) pro p e lle r fa n heating capillary tube check valve compressor 4-way valve t 1 t 2 2-3 refri...

  • Page 8

    Samsung electronics 3-1 3. Operating instructions and installation 3-1 operating instructions no 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 named of key mode (up) (down) turbo off on timer off timer set cancel (up) without regard to on/off condition in remote controller, use this button to set current time...

  • Page 9

    3-2 samsung electronics operating instructions and installation 1. Auto mode : in this mode, operation mode(cool, heat, dry) is selected auto- matically by the room temperature of initial operation. ∆ t= -1°, -2°c, 0°c+1°c+2°c ∆ t is controlled by setting temperature up/down key of remote controller...

  • Page 10

    Samsung electronics 3-3 operating instructions and installation 8. Compulsory operation : for operating the air conditioner without the remote controller. *auto : the operating is the same func- tion that auto mode in the remote con- troller. 9. Swing : blade-h is rotated vertically by the stepping ...

  • Page 11

    3-4 samsung electronics 3-2 installation 3-2-1 selecting area for installation select an area for installation that is suitable to the customer's needs. 3-2-1(a) indoor unit 1. Make sure that you install the indoor unit in an area providing good ventilation. It must not be blocked by an obstacle aff...

  • Page 12

    3-5 samsung electronics operating instructions and installation a b cut the piping hole sloped slightly 3-2-2 installation diagram of indoor unit and outdoor unit a indoor unit gas leak test check point tape vinyl piping indoor unit b drain hose installation cut the piping hole sloped slightly pipin...

  • Page 13

    3-6 samsung electronics operating instructions and installation 3-2-2(a) fixing the installation plate 3-2-2(b) purging the unit installation plate pipe hole (ø65mm) ø65 50 225 100 340 (unit : mm) 280 60 (unit : mm) 41 0~ 73 0 1. Determine the position of the pipe and drain hose hole using the right...

  • Page 14

    3-7 samsung electronics operating instructions and installation to install the drain hose, proceed as follows. 1. If necessary, connect the 2-metre extension to the drain hose. 2. If you are using the extension, insulate the inside part of the extension drain hose with a shield. 3. Pass the drain ho...

  • Page 15

    3-8 samsung electronics operating instructions and installation 3-2-2(e) outdoor unit installation 1. Remove the cover-e parts. 2. Firmly connect the cable connector in the terminal block. 3. Fasten the m4 ring terminal to the hole marked 4. Firmly fix the ass'y cable with clamp wire holder. 5. Asse...

  • Page 16

    Samsung electronics 3-9 operating instructions and installation 3-2-2(f) flare modification flare modification procedure 1) cut the pipe using a pipe cutter. • tools used 2) remove burrs at the tip of the pipe cut. Caution : burrs not removed may result in leakage of gas. 3) insert a flare nut into ...

  • Page 17

    3-10 samsung electronics operating instructions and installation 3-2-2(g) air-purge procedureand pipe. A b c d outdoor unit indoor unit gas pipe side liquid pipe side vacuum pump b (liquid) valve stem stem cap a (gas) 3 open the valve of the low pressure side of manifold gauge counter-clockwise. 6. ...

  • Page 18: R-2

    Samsung electronics 3-11 operating instructions and installation 3-2-2(h) refrigerant refill • refill an air-conditioner with refrigerant when refrigerant has been leaked at installing or using 1. Purge air(for new installation only). 3. Connect the tank to refill with refrigerant 4. Set the unit to...

  • Page 19

    3-12 samsung electronics operating instructions and installation 3-2-2(i) refrigerant adjustment 3-2-2(j) flare unt fixing torque class at installation at service outter diameter ø 6.35 (9000btu, 12000btu) (liquid side) ø 9.52 (9000btu) (gas side) ø 12.7 (12000btu) (gas side) 160 300 500 200 350 550...

  • Page 20

    Samsung electronics 3-13 operating instructions and installation 3-2-2(k) "pump down" procedure • pump down will be carried out when an evaporator is replaced or when the unit is relocated in another area. 1. Remove the caps from the 2-way valve and the 3-way valve. 3. Set the unit to cool operation...

  • Page 21

    4-1 samsung electronics 4. Disassembly and reassembly 4-1 indoor unit stop operation of the air conditioner and remove the power cord before repairing the unit. No parts procedure remark 1 front grille 1) stop the air conditioner operation and block the main power. 2) seperate tape of front panel up...

  • Page 22

    Samsung electronics 4-2 disassembly and reassembly no parts procedure remark 2 3 4 ass’y tray drain. Electrical parts (main pcb) heat exchanger 1) do “1”, above. Separate the drain hose from the extension drain hose. 2) take the display pcb out. (center of indoor unit) 3) loosen three fixing screws ...

  • Page 23

    4-3 samsung electronics disassembly and reassembly no parts procedure remark 5 fan motor and cross fan 1) do “1” “2” ”3” “4”, above. 2) loosen the fixing three screws and separate the motor holder. 3) loosen the fixing screw of fan motor. (by use of m3 wrench) 4) separate the fan motor from the fan....

  • Page 24

    Samsung electronics 4-4 no parts procedure remark 1 2 common work fan and motor 1) loosen the fixing screw and separate the cover e-parts. 2) separate the connection wire from the termi- nal block. 3) loosen three fixing screws and separate the upper cabinet. 4) loosen the two fixing screws of ass'y...

  • Page 25

    4-5 samsung electronics disassembly and reassembly no parts procedure remark 3 4 heat exchanger compressor 4) remove the nut flange (turn to the right to remove, as it is a left hand screw) 5) separate the fan. 6) loosen four fixing screws to separate the motor. 1) do “1”, above. 2) loosen three fix...

  • Page 26

    Samsung electronics 4-6 disassembly and reassembly ■ ✳✳ yabx no parts procedure remark 1 common work 1) loosen the fixing screw and separate the handle-cabi rh. 2) separate the connection wire from the terminal block. 3) loosen 6 fixing screws and separate the upper cabinet. 4) loosen the fixing scr...

  • Page 27

    4-7 samsung electronics disassembly and reassembly no parts procedure remark 2 3 4 fan and motor heat exchanger compressor 1) do “1”, above. 2) remove the nut flange (turn to the right to remove, as it is a left hand screw) 3) separate the fan. 4) loosen four fixing screws to separate the motor. 5) ...

  • Page 28

    Samsung electronics 5-1 1) the input voltage should be rating voltage 6 10% range. The airconditioner may not operate properly if the voltage is out of this range. 2) is the link cable linking the indoor unit and the outdoor unit linked properly? The indoor unit and the outdoor unit shall be linked ...

  • Page 29

    5-2 samsung electronics 5-2 fault diagnosis by symptom 5-2-1 no power (completely dead)-initial diagnosis 1) checklist : (1) is input voltage normal? (2) is ac power linked correctly? (3) are connections between primary side, secondary side of the power transformer and pcb good. (4) is output voltag...

  • Page 30

    Samsung electronics 5-3 5-2-2 when the indoor unit fan does not operate. (initial diagnosis) 1) checklist : (1) is the indoor unit fan motor properly connected with the connector (cn73)? (2) is the ac voltage correct? (3) is hall ic in indoor fan motor properly connected with the connector (cn43)? (...

  • Page 31

    5-4 samsung electronics 5-2-3 when the outdoor unit does not operate. (initial diagnosis) 1) checklist : (1) is input voltage normal? (2) is the set temperature of the remote control higher than room temperature in cool mode? (3) is the set temperature of the remote control lower than room temperatu...

  • Page 32

    Samsung electronics 5-5 5-2-4 when the up/down louver moter does not operate. (initial diagnosis) 1) checklist : (1) is input voltage normal? (2) is the up/down louver motor properly connected with the connector (cn61)? 2) troubleshooting procedure 5-2-5 in the heat mode, when there is no warm air c...

  • Page 33

    5-6 samsung electronics 5-2-6 if operation by remote control unit is impossible. (initial diagnosis) 1) troubleshooting procedure remove power cord and plug in again approx. 5 seconds is operation lamp blinking? Check as in the procedure “no power parts”. Refer to page 5-2. Normal replace battery. L...

  • Page 34

    Samsung electronics 5-7 5-3 pcb inspection 5-3-1 cautions for part replacement 5-3-2 procedure the parts should be replaced in the following procedure. 1. The human body carries much static electrici- ty. Before touching a part for repair, replace- ment or the similar purpose, be sure to touch a gro...

  • Page 35

    5-8 samsung electronics 5-3-3 detailed procedure troubleshooting no. 1 2 3 4 5 6 malfunction pull out the power plug from the ac terminal and confirm the fuse on the pcb assembly turn the power on. If lamp blinks trouble is not related to the items 1 through 4 on the right. Set operating mode when r...

  • Page 36

    Samsung electronics 5-9 5-4 fault diagnosis of major parts parts temp.Sensor heat ex. Sensor indoor fan motor outdoor fan motor stepping motor (up/down swing motor) diagnosis measure resistance with a tester. Normal 8 kΩ ~27 kΩ at ambient temperature (+0°c ~ +30°c) abnormal ∞ , o Ω … open or short m...

  • Page 37

    5-10 samsung electronics memo.

  • Page 38

    Samsung electronics 6-1 6. Exploded views and parts list 6-1 indoor unit 1-1 2 4 5 7-2 14 18 20 12 11 10 6 7 8 13 9 1 7-1 3 16 17 19 15 10-1 you can search for the updated part code number through the itself. Url : http://itself.Sec.Samsung.Co.Kr.

  • Page 39

    Samsung electronics 6-2 exploded views and parts list no. Code no description specification q’ty ■ parts list aq07a1(2)ve aq07b1(2)ve aq09a1(2)ve sho9z sh09yao aq09b1(2)ve aq12a1(2)ve sh12yao sh12zv aq12b1(2)ve sh07yab sh09yab sh12yab - 1 - 1 2 - 1 - 1 - 1 - 1 - 1 1 - - - 1 - 1 1 - 1 - 1 1 1 1 1 - 1...

  • Page 40

    Samsung electronics 6-3 6-2 outdoor unit 1 3 6 7 8 8-2 2 4 5 10 9 15 16 17 20 22 21 23 13 14 12 8-1 11 7-1 24-1 24 25 25-2 25-1 25-3 25-4 25-5 18 18-1 19.

  • Page 41

    6-4 samsung electronics exploded views and parts list ■ parts list no. 1 2 3 4 5 6 7 7-1 8 8-1 8-2 8-3 8-4 8-5 8-6 9 10 11 12 13 14 15 16 17 18 18-1 19 20 21 22 23 24 25 25-1 25-2 25-3 25-4 25-5 db63-30004b db60-30004a db67-50063a db31-10058c db31-10140b db90-00032a db90-00032b db94-50032c db94-5003...

  • Page 42

    Samsung electronics 6-5 exploded views and parts list ■ parts list remark q’ty sh09yaox sh12yaox 1 1 1 - 1 - 1 - 1 1 1 - 1 - 1 1 1 1 - 1 1 - 1 - 1 1 - 1 3 3 1 1 1 - 1 1 - 1 - 1 1 1 1 1 - 1 2 2 - 1 1 1 1 1 1 1 - 1 - 1 - 1 1 1 - 1 - 1 1 1 1 - 1 1 - 1 - 1 - - 3 3 1 1 1 1 - 1 1 - 1 - 1 1 1 1 1 - 2 - 2 1...

  • Page 43

    6-6 samsung electronics exploded views and parts list 10 19 18 4 2 1 8 3 9-6 11 13 12 16 15 9-5 14 22 5 7 6 20 9-4 9 9-1 9-2 9-3 9-7 17 21.

  • Page 44

    Samsung electronics 6-7 exploded views and parts list ■ parts list q’ty sh12yabx sh09yabx sh07yabx 1 1 1 1 1 1 - 1 1 - 1 - - 1 - - 1 1 1 1 - - 1 1 1 - - 1 - - 3 3 1 1 1 1 - 1 - 1 1 1 1 - 1 1 1 1 1 - 1 1 - 1 - 1 - 1 - - 1 1 1 - 1 - 1 1 - 1 - - 1 - 3 3 1 1 1 - 1 - 1 1 1 1 - 1 1 1 1 1 1 - 1 1 - 1 - - 1...

  • Page 45

    6-8 samsung electronics 6-3 remote control & pcb box 6-3-1 remote control ■ parts list no 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 code no db93-30052c db93-30071h db61-10144a db61-10145a db64-20054a db63-10477a db74-10084a db73-20110b db64-40167a db64-40166b db68-10789a db68-10790a ph-m2 db67-60061...

  • Page 46

    Samsung electronics 6-9 6-3-2 pcb box exploded views and parts list 1 2-4 2-6 2-2 2-1 2 2-5 2-3 ■ parts list no 1 2 2-1 2-2 2-3 2-4 2-5 2-6 code no db61-10136a db93-10483a db93-10485a db93-10471a db93-00152a db93-00151a db93-00122a pd-tq12a2v-00 db09-10149a db09-00002a db09-00092a db32-00027a de26-2...

  • Page 47

    7-1 samsung electronics 7. Block diagrams 7-1 micro computer block diagram heat exchanger sensor room temperature sensor infrared signal •blade-h control •indoor fan motor control •outdoor fan motor control •compressor control •4-way valve control •temperature control •timer •buzzer control indoor f...

  • Page 48

    Samsung electronics 7-2 m e m o.

  • Page 49

    8-1 samsung electronics 8. Pcb diagrams 8-1-1 main pcb (aq07a1ve/aq09a1ve/aq12a1ve aq07b1ve/aq09b1ve/aq12b1ve).

  • Page 50

    Samsung electronics 8-2 pcb diagrams no design location 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 f701 f701 ic01 ic01 ic01 ic02 cr71 ft71 r903,904,905,906 r203 r202,301,409,501~509,513,518~521,60...

  • Page 51

    8-3 samsung electronics pcb diagrams 8-1-2 main pcb (aq07a2ve/aq09a2ve/aq12a2ve aq07b2ve/aq09b2ve/aq12b2ve).

  • Page 52

    Samsung electronics 8-4 pcb diagrams ■ part list specification fuse holder-fuse ic-volt regu heat-sink screw-ph ic-volt regu c-film filter noise r-carbon r-carbon r-carbon r-carbon r-carbon r-carbon r-carbon r-carbon r-carbon r-carbon r-carbon r-metal film diode-rect thyristor buzzer trans l.V pin e...

  • Page 53

    8-5 samsung electronics pcb diagrams 8-1-3 main pcb (s07/09/12yab).

  • Page 54

    Samsung electronics 8-6 pcb diagrams ■ part list no design location 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 f701 f701 ic01 ic01 ic01 ic02 cr71 ft71 r904,905,906 r203 r202, 501, 502, 503, 601, 604, 606, 901...

  • Page 55

    8-7 samsung electronics 8-2 ass’y display & module ■ ass’y display pcb : db93-10560d no 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 a description pcb-display led-lamp led-lamp led-lamp led-lamp module remocon c-ceramic r-carbon connector wafer c-ceramic diode switching c/w dis & module case-center pcb up...

  • Page 56

    Samsung electronics 9-1 9. Wiring diagrams 9-1 indoor unit ■ aq07a2ve/aq09a2ve/aq12a2ve aq07b2ve/aq09b2ve/aq12b2ve sh09yao/sh12yao ■ aq07a1ve / aq09a1ve / aq12a1ve aq07b1ve / aq09b1ve / aq12b1ve.

  • Page 57

    Wiring diagrams 9-2 samsung electronics ■ sh07/09/12yab.

  • Page 58

    Samsung electronics 9-3 9-2 outdoor unit ■ uq07a1ve/uq07a2ve/uq07bive/uq07b2ve capacitor uq07✳✳ve: 1.5/25µf x 450vac ■ uq09a1ve/uq09a2ve/uq09b1ve/uq09b2ve/xsh09zv capacitor uq09✳✳ve/xsh09zv: 1.5/30µf x 450vac.

  • Page 59

    9-4 samsung electronics wiring diagrams ■ uq12a1ve/uq12a2ve/uq12b1ve/uq12b2ve/xsh12zv capacitor uq12✳✳ve/xsh12zv: 0.9/30µf x 450vac ■ sh07/09/12yabx c1 : motor capacitor c2 : comp capacitor.

  • Page 60

    Samsung electronics 9-5 wiring diagrams ■ sh09/12yao c1 : motor capacitor c2 : comp capacitor.

  • Page 61

    Sa ms un g e lec tro nic s 10 -2 10 -1 sa ms un g e lec tro nic s 10 -1 ind oo r u nit 10 . S ch em ati c d iag ra ms 10 -1- 1 a q0 7a 1v e / a q0 9a 1v e / a q1 2a 1v e / a q0 7b 1v e / a q0 9b 1v e / a q1 2b 1v e.

  • Page 62

    Sa ms un g e lec tro nic s 10 -4 sc he ma tic d iag ram s 10 -3 sa ms un g e lec tro nic s sc he ma tic d iag ram s 10 -1- 2 a q0 7a 2v e / a q0 9a 2v e / a q1 2a 2v e / a q0 7b 2v e / a q0 9b 2v e / a q1 2b 2v e.

  • Page 63

    Sa ms un g e lec tro nic s 10 -6 sc he ma tic d iag ram s 10 -5 sa ms un g e lec tro nic s sc he ma tic d iag ram s 10 -1- 3 s h0 7/0 9/1 2y ab , s h0 9/1 2y ao.

  • Page 64

    10-7 samsung electronics m e m o.

  • Page 65

    Update log sheet application date page part# note(cause & solution) s/bulletin# use this page to keep any special servicing information. (service bulletin, etc.) if only parts number changes, just change parts number directly on parts list. And if you need more information, please see the service we...

  • Page 66

    © samsung electronics co., ltd. Aug. 2002. Printed in korea. Code no. Db81-00070a(2) electronics.