1. DL manuals
  2. Samsung
  3. Air Conditioner
  4. AQ09A56MA
  5. Service Manual

Samsung AQ09A56MA Service Manual

Summary of AQ09A56MA

  • Page 1

    Service manual contents air conditioner 1. Installation 2. Disassembly and reassembly 3. Troubleshooting 4. Exploded views and parts list 5. Refrigerating cycle block diagrams 6. Wiring diagrams 7. Schematic diagrams room air conditioner indoor unit as07a5(6)ma as09a5(6)ma as12a5(6)mc outdoor unit u...

  • Page 2

    5-00187a(1)-oi 5/16/01 1:46 pm page 1.

  • Page 3: 1. Installation

    1 1. Installation 1-1 refrigerant refill procedure 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 cool operation mode. 7. Stop operation of t...

  • Page 4

    2 1-2 “pump down” procedure relocation of the air conditioner • refer to this procedure when the unit is relocated. 1. Carry out the pump down procedure (refer to the details of 'pump down'). 2. Remove the power cable. 3. Disconnect the assembly cable from the indoor and outdoor units. 4. Remove the...

  • Page 5: 2-1 Indoor Unit

    3 2. Disassembly and reassembly 2-1 indoor unit stop operation of the air conditioner and remove the power cable before repairing the unit. No parts procedure remark front grille 1 1) stop the air conditioner operation and block the main power. 2) separate tape of front panel upper. 3) contract the ...

  • Page 6

    4 no parts procedure remark electrical parts (main pcb) ass’y tray drain. Heat exchanger fan motor and cross fan 2 3 4 5 1) do “1”above 2) take all the connector of pcb upper side out. (inclusion power cord) 3) separate the outdoor unit connection wire from the terminal block. 4) if pulling the main...

  • Page 7: 2-2 Outdoor Unit

    5 2-2 outdoor unit no parts procedure remark common work fan and motor 1 2 1) loosen the fixing two screws and separate the cover e-parts. 2) separate the connection wire from the terminal block. 3) loosen five fixing screws and separate the cabi upper. 4) loosen two fixing screws of ass'y e-part. 5...

  • Page 8

    6 no parts procedure remark heat exchanger compressor 3 4 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. 1) do “1”, 2 above. 2) loosen two fixing screws of left and right side. 3) disassemble...

  • Page 9

    7 no parts procedure remark common work 1 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 screw of ass'y e-part. 5) loosen 5 fixing screws and separate ...

  • Page 10

    8 no parts procedure remark fan-motor 2 1) loosen 4 fixing screw of the guard-fan. 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. 6-00187a(1)-da 5/16/01 2:01 pm page 8.

  • Page 11: 3. Troubleshooting

    9 3. Troubleshooting 3-1 items to be checked first 1) the input voltage should be rating voltage ± 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 ou...

  • Page 12

    10 3-2 fault diagnosis by symptom 3-2-1 no power(completely dead)-initial diagnosis 1) checklist : (1) is input voltage normal? (2) is ac power linked correctly? (3) is output voltage of dc regulator ic ka7805 (ic02) normal? (4.5vdc-5.5vdc) 2) troubleshooting procedure replace pcb display is dc volt...

  • Page 13

    3-2-2 when the indoor unit fan does not operate. (initial diagnosis) 11 1) checklist : (1) is the indoor unit fan motor properly connected with the connector (cn72)? (2) is the ac voltage correct? (3) is hall ic in indoor fan motor properly connected with the connector (cn42)? (4) is the running cap...

  • Page 14

    12 3-2-3 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 power in connector (cn71) linked correctly? (4) is the outdoor unit properly connect...

  • Page 15

    13 3-2-4 when the up/down louver motor 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 3-2-5 in the mode, when there is no cool air current. Check this first; ...

  • Page 16

    14 3-2-5 if operation by remote control unit is impossible. (initial diagnosis) 1) troubleshooting procedure y n y y n y n n n n n n y y y y 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...

  • Page 17

    15 m e m o 9-00187a(1)-ts 5/16/01 2:01 pm page 15.

  • Page 18: 4-1 Indoor Unit

    16 4. Exploded views and parts list 4-1 indoor unit 17 16 14 22 9 7 21 3 4 5 6 19 20 8 12 25 13-4 23 13-3 13-2 13 13-1 11 10 2 1 15 18-1 18-5 18-4 18 18-6 18-6-1 18-2 18-3 24 10-00187a(1)-ev 5/16/01 2:02 pm page 16.

  • Page 19

    17 q’ty ■ parts list code no no. Description remark as12a5(6)mc as09a5(6)ma as07a5(6)ma 1 2 3 4 5 6 7 8 9 10 11 12 13 13-1 13-1-1 13-1-2 13-1-3 13-1-4 13-1-5 13-2 13-3 13-3-1 13-3-2 13-4 14 15 16 17 18 18-1 18-2 18-3 18-4 18-5 18-6 18-6-1 19 20 21 22 23 24 25 db64-00085a db63-00064a db74-00011a db63...

  • Page 20: 4-2 Outdoor Unit

    18 4-2 outdoor unit 1 2 3 4 12 17 17-1 18-1 18 19 23 21 22 20 10 16 14 11 15 13 5 8-2 8-3 8 8-1 8-4 6 7 9 ■ us07a5(6)ma / us09a5(6)ma 10-00187a(1)-ev 5/16/01 2:02 pm page 18.

  • Page 21

    19 no. Code no description specitication ■ parts list hswr, ip2, 5&3, sc-90073t, 375fan 2c, m6, sm20c, ntr as+g/f20%, pi 375, blk amass-020zrea, fan out, 115v/60hz sc-90073t ass´y 620mm cond ass´y ass´y ass´y 25µf, 370vac 45µf, 370vac 4.0µf, 450vac v2 p/d (105˚c) 5p, n, l, 1, 2, 3 t8, 425, 225, 44f ...

  • Page 22

    20 21 20 19 8 8-1 6 8-3 10 8-6 12 9 14 5 4 1 7 2 3 13 17 16 8-5 15 10 11 8-4 8-2 ■ us12a5(6)mc 10-00187a(1)-ev 5/16/01 2:02 pm page 20

  • Page 23

    21 no. Code no description specitication ■ parts list (outdoor unit) hser 2c sm20c m6 ntr as+g/f, Ø405 asso2owtva ass’y ass’y secc-p ass’y 25µf 370vac 1.2µf 450vac 5p, n, l, 1, 2, 3 ass’y mra12002-12008 sts304 felt ass’y ass’y 220v 60hz silicon hex 2c mb zpc epdm pbt m5, sm20c ass’y(1.7 ✕1100) ass’y...

  • Page 24: 4-3 Ass’Y Control In

    22 4-3 ass’y control in ■ parts list no 1 2 3 4 5 6 7 8 9 10 11 12 13 14 description holder control ass’y main pcb ass’y terminal block ass’y display pcb connector wire pcb u/d bracket earth holder wire clamp connector wire earth screw screw screw holder clamp in seal panel front rh seal h/control f...

  • Page 25

    23 5. Refrigerating cycle block diagram indoor unit outdoor unit heat exchanger (evaporator) gas side 3-way valve 2-way valve liquid side capillary tube gas leak check point cross fan heat exchanger (condenser) propeller fan compressor t 1 t 2 cooling refrigerating cycle temperature and pressure std...

  • Page 26: 6. Wiring Diagrams

    24 6. Wiring diagrams 6-1 indoor unit ■ as07a5(6)ma ■ as09a5(6)ma ■ as12a5(6)mc 15-00187a(1)-wd 5/16/01 2:02 pm page 24.

  • Page 27: 6-2 Outdoor Unit

    25 6-2 outdoor unit ■ us07a5(6)ma diagram-outdoor c1 : 4µf x 450vac c2 : 25µf x 370vac ■ us09a5(6)ma diagram-outdoor c1 : 4µf x 450vac c2 : 45µf x 370vac ■ us12a5(6)mc diagram-outdoor c1 : 1.5µf x 450vac c2 : 25µf x 370vac 15-00187a(1)-wd 5/16/01 2:02 pm page 25.

  • Page 28

    7. Schematic diagrams 7-1 indoor unit ■ as07a5(6)ma / as09a5(6)ma 26.

  • Page 29

    27 ■ as12a5(6)mc.

  • Page 30

    Electronics printed in korea. 1-00187a(1)-co 5/16/01 1:45 pm page 2.