Samsung AQV12A1ME Service Manual
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Samsung AQV12A1ME Service Manual

Samsung AQV12A1ME Service Manual

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SERVICE
AIR CONDITIONER
ROOM AIR CONDITIONER
INDOOR UNIT
AQV12A1ME
AQV12A2ME
SH12VA1
SH12VA2
AQV09A1ME
AQV09A2ME
SH12VA1
SH12VA2
Manual
I n s t a l l a t i o n
OUTDOOR UNIT
UQV12A1ME
UQV12A2ME
SH12VA1X
SH12VA2X
UQV09A1ME
UQV09A2ME
SH09VA1X
SH09VA2X
CONTENTS

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  • Page 1: Table Of Contents

    ROOM AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT AQV12A1ME UQV12A1ME AQV12A2ME UQV12A2ME SH12VA1 SH12VA1X SH12VA2 SH12VA2X AQV09A1ME UQV09A1ME AQV09A2ME UQV09A2ME SH12VA1 SH09VA1X SH12VA2 SH09VA2X Manual SERVICE AIR CONDITIONER CONTENTS 1. Pre c a u t i o n s 2. Product Specifications 3.

  • Page 2: Precautions

    9 . Keep children away from the unit while it is being re p a i re d . Fig. 1-3 No Kids Nearby! 1 0 . Be sure to clean the unit and its surro u n d- ing are a . Fig. 1-4 Clean the Unit Samsung Electronics...
  • Page 3 M E M O Samsung Electronics...

  • Page 4: Product Specifications

    4 1 . 0 3 7 . 0 Remark : Text condition Indoor ro o m Outdoor ro o m Cooling test DB27˚C / WB19˚C DB35˚C / WB24˚C Heating test DB20˚C / DB 7˚C / WB 6˚C MC-Service Samsung Electronics...
  • Page 5 2-2 Dimensions 2-2-1 Indoor Unit (Front view) Air out (Remote control) (Rear view) Installation plate Samsung Electronics...
  • Page 6 Product Specifications 2-2-2 Outdoor Unit (Front view) (Rear view) MC-Service Samsung Electronics...
  • Page 7 2-3 Refrigerating Cycle Block Diagram INDOOR UNIT OUTDOOR UNIT Capillary tube Check valve 2-way valve Liquid side Capillary tube Heat Heat exchanger exchanger (Evaporator) (Condenser) Gas side 3-way valve 4-way valve Cooling Heating Compressor Gas leak check point Samsung Electronics...

  • Page 8: Operating Instructions And

    To select the 5 way function with the remote control, press the 5 way button one or more times until the desired mode is selected.. Each time you press the 5 way button Each 5 way indicator on the indoor unit comes on order. MC-Service Samsung Electronics...
  • Page 9 27˚C less H e a t i n g at the operation period is to allow the indoor unit's heat- s t a r t . exchanger to prewarm before emitting 2 3 ˚ C 2 1 ˚ C Samsung Electronics...
  • Page 10 Each mode has Auto, Cool and SLEEP o p e r- The operation will stop after 6 hours. ation designed in advarc e . *In COOL mode : The setting temperature is automatically raised by 1°C each 1hour MC-Service Samsung Electronics...
  • Page 11 Trouble of the PTC circuit of the out- d o o r Trouble of AC current sensor (open/short) and Leakage of r e f r i g e r- a n t ( R - 2 2 ) Samsung Electronics...
  • Page 12 It is harmful to the air conditioner if it is used in the following environments: greasy areas (including areas near machines), salty areas such as coast areas, areas where sulfuric gas is present such as hot spring areas. Contact your dealer for advice. Samsung Electronics...
  • Page 13 Charging line 7. Stop operation of the air conditioner. 8. Close the 3-way valve, disconnect the pressure gauge, and open the 3-way valve again. 9. Close the cap of each valve. MC-Service Samsung Electronics...
  • Page 14 Operating Instructions and Installation • MODEL NAME : AQV09A1ME (UQV09A1ME) • MODEL NAME : AQV12A1ME (UQV12A1ME) AQV12A2ME (UQV12A2ME) AQV09A2ME (UQV09A2ME) S H 0 9 VA 1 ( S H 0 9 VA 1 X ) S H 1 2 VA 1 ( S H 1 2 VA 1 X )

  • Page 15: Disassembly And Reassembly

    7) Pull the upper left and right of discharge softly for the outside cover to be pulled out. 8) Pull softly the lower part of discharge and push it up. Caution; Assemble the front panel and fix the hooks of left and right. MC-Service Samsung Electronics...
  • Page 16 2) Loosen the fixing two 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. 5)Separate the fan from the left holder bearing. Samsung Electronics...
  • Page 17 Cabi-Upper. 4) Loosen five fixing screws from the Ass’y- Control Out. 5) Separate the Terminal-Housing from the Ass’y-Control Out. 6) Separate the Ass’y-Control Out from the outdoor unit. 7) Loosen seven fixing screws and separate the Cabi-Side. MC-Service Samsung Electronics...
  • Page 18 4) Loosen four fixing screws to separate the motor. Heat Exchanger 1) Do “1”, above. 2) Loosen three fixing screws of Ass’y-Frame and Partition. 3) Disassemble the inlet and outlet pipe by welding. 4) Separate the heat exchanger. Samsung Electronics...
  • Page 19 3) Disassemble the inlet and outlet pipe of com- pressor by welding. 4) Disassemble the inlet and outlet pipe of con- denser by welding 5) Loosen the three bolts of the lower part. 6) separate the compressor. MC-Service Samsung Electronics...

  • Page 20: Troubleshooting

    # Auto restart function is the convenient function where the operation state is memorized in remote controller when the Memory IC during the blackout and the operation restarts when the power comes back. plugged Samsung Electronics...
  • Page 21 Abnormal communication (Indoor - Outdoor unit) Abnormal increase of operation current Abnormal increase of discharge and OLP temperature Over current of IPM circuit Trouble of the PTC circuit of the outdoor Trouble of AC current sensor (open/short) and Leakage of refrigerant(R-22) MC-Service Samsung Electronics...
  • Page 22 Trouble of discharge temp-sensor (open/short) Trouble of AC current sensor (open/short)and Leakage of refriger- ant(R-22) Trouble of outdoor temp-sensor (open/short) Trouble of deice temp-sensor (open/short) Trouble of heatsink temp-sensor (open/short) Trouble of DC link voltage circuit Trouble of OLP temp-sensor (open/short) Samsung Electronics...
  • Page 23 ), POWER( ) lamp -> Check of the instantaneous over-current protection flickering mode of IPM circuit (N) Nature( ), POWER lamp( -> Check the abnormal increase of the comp flickering discharge gas temperature and OLP protection mode.(O) MC-Service Samsung Electronics...
  • Page 24 Ambient temperature 25°C 30°C 35°C 40°C 15°C 20°C (°C) Resistance of 6.94 5.83 14.68 12.09 8.31 thermistor [KΩ] Samsung Electronics...
  • Page 25 -> If the red lamp (LED 3) is not on, check the power part of control board of outdoor unit. ♦Check the connection of re a c t o r. -> If the red lamp (LED3) is on and green lamp is flickering, it is normal. MC-Service Samsung Electronics...
  • Page 26 ♦The air circulation is bad due to the attachment of falling leaves -> Take away the leaves for the good ventilation. Check the elements of current sensor block of the outdoor control board . ♦R506 — 680Ω ♦R507 — 1.8 KΩ ♦R508 — 10 KΩ Samsung Electronics...
  • Page 27 ♦The air circulation is bad due to the attachment of falling leaves -> Take away the leaves for the good ventilation. ♦If the refrigerant is insufficient. -> Fill up the amount of re f r i g e r a n t . Samsung Electronics...
  • Page 28 ∞, O Ω … open or short Abnormal Stepping Motor Measure resistance between red wire and each terminal. (UP/DOWN swing motor) Normal Approx. 380Ω at ambient temperature (20°C ~30°C) ∞, O Ω … open or short Abnormal MC-Service Samsung Electronics...
  • Page 29 Press the marked key to input the option number. example) 021E31 Result) Go to 4th step if it displays as shown in the right (The number increases from 1~9, and A, b, C, d, E, F whenever pressing the key.) 5-10 Samsung Electronics...
  • Page 30 1 - 6steps Refer to the right side if the error appears. MC-Service Samsung Electronics 5-11...
  • Page 31 Troubleshooting <Table of the option code> MODEL OPTION CODE AQV12A2ME 005212-10123F SH12VA2 AQV09A2ME 006500-1010FB SH09VA2 AQV12A1ME 015212-10123F SH12VA1 AQV09A1ME 016500-1010FB SHO9VA1 5-12 Samsung Electronics...
  • Page 32 M E M O MC-Service Samsung Electronics 5-13...

  • Page 33: Exploded Views And Parts List

    6. Exploded Views and Parts List 6-1 Indoor Unit Samsung Electronics...
  • Page 34 Exploded Views and Parts List Parts List Q’TY CODE NO Description Remark AQV12A1ME SH12VA1 AQV09A1ME SH09VA1 AQV12A2ME SH12VA2 AQV09A2ME SH09VA2 DB64-00085A GRILLE AIR INLET DB63-00064A GUARD-AIR FILTER DB74-00011A FILTER CLEANER ASS´Y DB63-00067A COVER TEMINAL DB92-00031G ASS´Y PANEL FRONT DB67-00051A SPACER EVAP LOW...
  • Page 35 6-2 Outdoor Unit Samsung Electronics...
  • Page 36 M5, SM20C DB99-00026B ASS´Y-4WAY VALVE 25kg/cm DB99-00039A ASS´Y-4WAY VALVE 25kg/cm DB99-00041A ASS´Y-CHECK VALVE ASS’Y DB99-00040A ASS´Y-CHECK VALVE ASS’Y DB96-00279A ASS´Y-CONDENSER ASS’Y DB96-00372A ASS´Y-CONDENSER ASS’Y 21-1 DB32-10040A THERMISTOR-OUT 204CT / 103AT DB64-00186A CABI-SIDE SECC-P DB67-90024A HANDLE-CABI, LF DB63-00070A COVER-VALVE MC-Service Samsung Electronics...
  • Page 37 6-3 Remote Control & PCB Box 6-3-1 Remote Control : (DB93-00251L) Parts List Description Q’TY Remark INLAY LCD CASE TOP KEY RUBBER ASS’Y PCB REMOCON CASE LOW BATTERY COVER Samsung Electronics...
  • Page 38 AWG#16 SCREW WP, TH + M4 x L8, ZPC(WHT), T.C SCREW PH, M3 x L22 SCREW TH + M4 x L16, ZPC(WHT), SWRCH HOLDER CLAMP IN SEAL-PANEL FRONT RH SEAL-H/CONTROL FRONT MF CAPACITOR 1.2µF/450V CONNECTOR WIRE MF CAPACITOR Samsung Electronics...
  • Page 39 Exploded Views and Parts List 6-3-3 ASS’Y-Control-Out(Outdoor unit) : DB93-00325A SILICONE SEALANTCOATING SEAL TAPE HEATSINK ASS’Y ISOMETRIC VIEW MC-Service Samsung Electronics...
  • Page 40 SCREW-TAPPING M4 x 10 2S PH COMPRESSOR CONNECTOR CBF-HARNESS REACTOR CONNECTOR CBF-HARNESS SEAL TAPE FOAM LEX 2mm CASE-FRONT SEAL PAD FOAM PE 10mm SEAL PAD 2 FOAM PE 15mm RUBBER CLAMP HOLDER-WIRE SCREW-MACHINE M4 x 16 WSP PH Samsung Electronics...

  • Page 41: Pcb Diagrams

    7. PCB Diagrams 7-1 ASS’Y PCB-IN : DB93-00323A BOTTOM MC-Service Samsung Electronics...
  • Page 42 R201, R207, R208, R301, R401, R403, R905 MCR 10EZHJ102 R-CHIP R606 R-CHIP MCR 10EZHJ561 R105, R302, R604, R605 R-CHIP MCR 10EZHJ471 R502, R503, R504, R904 MCR 10EZHJ331 R-CHIP R106, R107 R-CHIP MCR 10EZHJ221 R704, R705 2W 10K-J R-CARBON R701, R706, R707 R-CARBON 2W 82K-J Samsung Electronics...
  • Page 43 7-2 ASS’Y PCB Control-Out : DB93-00324A MC-Service Samsung Electronics...
  • Page 44 PCB Diagrams BOTTOM Samsung Electronics...
  • Page 45 C302, C304, C401 CL21B103KBNC C-CERAMIC, CHIP C303, C203 CL21B102KBNC C-CERAMIC, CHIP C701, C702 CL21C220JBNC C-CERAMIC, CHIP C506, C801, C111 1µF, 20%, 50V, X7R, TP , 3216 C-CERAMIC, CHIP IC83 IC-LOGIC 74HCT00D, SOP-14, TI FR4, GREEN, HA1-B15SAI CONTROL MC-Service Samsung Electronics...
  • Page 46 PCB Diagrams 7-3 ASS’Y PCB IPM : DB93-00353A BOTTOM Samsung Electronics...
  • Page 47 R04, R05, R06, R10, R11, R12 RC2012J471CS R-CHIP C04, C05, C06, C10, C11, C12 C-CERAMIC, CHIP CL21B102KBNC CL21B222KBNC C-CERAMIC, CHIP CL21B223KBNC C-CERAMIC, CHIP C13, C14 C-CERAMIC, CHIP 1µF, 20%, 50V, X7R, TP, 3216 FR4, GREEN, HA1-B15SAI IPM MC-Service Samsung Electronics...
  • Page 48 FUSE CLIP FC61B DSA1 SURGE ABSORBER 3600V, ± 600V, 2000A, 100A J10(N) CBF-HARNESS #16, FT1 16AWG J20(L) CBF-HARNESS #16, FT1 16AWG J30(N) CBF-HARNESS #16, FT1 16AWG J40(L) CBF-HARNESS #16, FT1 16AWG CBF-HARNESS #16, FT1 16AWG FR-4, 86x58, T1, 6 Samsung Electronics...
  • Page 49 CA 0A 50V 102K C-CERAMIC CA 0A 50V 104Z R-CARBON 470 1/2W 5% DIODE SWITCHING 1N4148 JUMP-WIRE 10mm TACT SWITCH KPT-1105A COVER DISPLAY UP C/W DIS & HODULE UL1007 AWG/26/10 JUMP-WIRE 7.5mm LED-LAMP SR3511(RED) JUMP-WIRE 7.5mm JUMP-WIRE 10mm MC-Service Samsung Electronics...

  • Page 50: Wiring Diagrams

    8. Wiring Diagrams 8-1 Indoor Unit Samsung Electronics...

  • Page 51: Mc-Service

    8-2 Outdoor Unit MC-Service Samsung Electronics...
  • Page 52 And if you need more information, please see the service bulletin Copyright Tr a d e m a r k s Samsung is a registered trademark and ®œ 1995 by Samsung Electronics Co., Ltd. SyncMaster 17GLi/CMG7387L and MacMaster All rights reserved. Cable Adapter are trademark of Samsung This manual may not, in whole or in part, be Electronics Co., Ltd.

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