Samsung AQ07A1VE Service Manual
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Samsung AQ07A1VE Service Manual

Room air conditioner
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SERVICE
AIR CONDITIONER

ROOM AIR CONDITIONER

AQ07A1VE
AQ12A1VE
AQ07A2VE
AQ12A2VE
AQ07B1VE
AQ12B1VE
AQ07B2VE
AQ12B2VE
AQ09A1VE
SH09ZV
AQ09A2VE
SH12ZV
AQ09B1VE
SH09YAO
AQ09B2VE
SH12YAO
SH07YAB
SH09YAB
SH12YAB
Manual
3. Operating Instructions and
Installation
10. Schematic Diagrams
UQ07A1VE
UQ12A1VE
UQ07A2VE
UQ12A2VE
UQ07B1VE
UQ12B1VE
UQ07B2VE
UQ12B2VE
UQ09A1VE
XSH09ZV
UQ09A2VE
XSH12ZV
UQ09B1VE
SH09YAOX
UQ09B2VE
SH12YAOX
SH07YABX
SH09YABX
SH12YABX

CONTENTS

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Summary of Contents for Samsung AQ07A1VE

  • Page 1: Room Air Conditioner

    ROOM AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT AQ07A1VE AQ12A1VE UQ07A1VE UQ12A1VE AQ07A2VE AQ12A2VE UQ07A2VE UQ12A2VE AQ07B1VE AQ12B1VE UQ07B1VE UQ12B1VE AQ07B2VE AQ12B2VE UQ07B2VE UQ12B2VE AQ09A1VE SH09ZV UQ09A1VE XSH09ZV AQ09A2VE SH12ZV UQ09A2VE XSH12ZV AQ09B1VE SH09YAO UQ09B1VE SH09YAOX AQ09B2VE SH12YAO UQ09B2VE SH12YAOX SH07YAB...
  • Page 2 Relocate the unit if necessary. 9. Keep children away from the unit while it is being repaired. 10. Be sure to clean the unit and its surround- ing area. Fig. 1-3 No Kids Nearby! Fig. 1-4 Clean the Unit Samsung Electronics...

  • Page 3: Product Specifications

    Outdoor unit : DB 35°C WB 24°C Heating test condition Indoor unit : DB 20°C WB 15°C Outdoor unit : DB 7°C WB 6°C Maximum operation Condition Indoor unit : DB 32°C WB 23°C Outdoor unit : DB 43°C WB 26°C Samsung Electronics...
  • Page 4 Outdoor unit : DB 35°C WB 24°C Heating test condition Indoor unit : DB 20°C WB 15°C Outdoor unit : DB 7°C WB 6°C Maximum operation Condition Indoor unit : DB 32°C WB 23°C Outdoor unit : DB 43°C WB 26°C Samsung Electronics...
  • Page 5 2-2 Dimensions 2-2-1 Indoor Unit (Front view) Air out (Rear view) (Remote control) Installation plate Samsung Electronics...
  • Page 6 Product Specifications 2-2-2 Outdoor Unit (Rear view) (Front view) 145 55 YABX ■ ✳✳ 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

    Without regard to ON/OFF condition in remote controller, use this button to set current time. TIME Adjust the current time using button. (Data can be transmitted after setting up the time) Samsung Electronics...
  • Page 9 De-ice end by sensing of the processing 7. FAN SPEED : Manual (3 step), Auto (4 step) time by de-ice Condition. Fan speed automatically varies depending on both the difference between setting and the room temperature. Samsung Electronics...
  • Page 10 11. 24-Hour ON/OFF Real Setting Timer. : The buzzer is sounded "beep". air conditioner is turned ON at a specified time using ON TIMER Samsung Electronics...
  • Page 11 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 12: Installation Diagram Of Indoor Unit And Outdoor Unit

    Cut the piping hole Cut the piping hole sloped slightly sloped slightly Remote control Remote control holder Piping (Liquid) 1/4" Clamper tube 7K/9K BTU Piping(Gas)3/8” Installation plate 12K BTU Piping(Gas)1/2” Installation tube Pipe-connection Vinyl tape Screw Putty Drain hose Samsung Electronics...
  • Page 13 Result : All inert gas escapes from the indoor unit. • To prevent dirt or foreign objects from getting into the pipes during installation, do NOT remove the caps completely until you are ready to connect the piping. Samsung Electronics...
  • Page 14 4. Pass the drain hose through the hole in the wall, making sure that it is sloping downwards, as shown in the illustrations above. The hose will be fixed permanently into position once Shield the whole installation has been tested for gas leaks; Drain hose Extension drain hose Samsung Electronics...
  • Page 15 2. Close Hole with Cap Drain B. 3. Insert Drain plug into Hole , and then connect drain hose to drain plug. • Inside diameter of drain hose is 18mm. Hole C Drain hole Hole Hole B Drain Plug Cap-Drain A Cap-Drain B Samsung Electronics...
  • Page 16 Caution : Burrs not removed may result in leakage of gas. Pipe Reamer Oblique Raughness Burr 3) Insert a flare nut into the pipe and modifty flare. Outer diameter A(mm) ø6.35mm ø9.52mm ø12.7mm * Unproper flaring Inclined Surface Cracked Uneven damaged thickness Samsung Electronics...
  • Page 17 And mount the service port cap to 3-way valve. 7. Check for gas leakage. - At this time, especially check for gas leakage from the Stem cap Valve stem 3-way valve’s stem nuts, and from the service port cap. 3-10 Samsung Electronics...
  • Page 18 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. Samsung Electronics 3-11...
  • Page 19 (R-22) for every 1m. (R-22) for every 1m. 3-2-2(j) Flare unt fixing torque Torque (kg . cm) Outter diameter Fixing Torque Final Torque ø 6.35 (9000Btu, 12000Btu) (Liquid Side) ø 9.52 (9000Btu) (Gas Side) ø 12.7 (12000Btu) (Gas Side) 3-12 Samsung Electronics...
  • Page 20 At this time, cover the pipe of the indoor 8. Remove the mounting plate for the indoor unit and the other pipe using a cap or vinyl unit and move it to a new location. plug to avoid foreign material entering. Samsung Electronics 3-13...

  • Page 21: 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. Samsung Electronics...
  • Page 22 4) Separate the bush body at the upper side and holder at the rearside. 5) Loosen the two fixing screws of left side. 6) Lifting the heat exchanger up a little to push the up side for separation from the indoor unit. Samsung Electronics...
  • Page 23 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. 5) Separate the fan from the left holder bearing. Samsung Electronics...

  • Page 24: Outdoor Unit

    Fan and Motor 1) Do “1”, above. 2) Loosen two fixing screw, of the front cabinet. 3) Push the brackets of the outer cover to sepa- rate the protection mesh from the rear side of front cabinet. Samsung Electronics...
  • Page 25 3) Disassemble the inlet and outlet pipe of compressor by welding. 4) Disassemble the inlet and outlet pipe of condenser by welding 5) Loosen the three bolts of the lower part. 6) Separate the compressor. Samsung Electronics...
  • Page 26 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 the side cabinet. Samsung Electronics...
  • Page 27 1) Do “1”, “2”, “3” above. Compressor 2) Open the terminal cover of compressor and unscrew the connection terminal. 3) Disassemble the inlet and outlet pipe of compressor by welding. 4) Loosen the three bolts of the lower part. 5) Separate the compressor. Samsung Electronics...

  • Page 28: Troubleshooting

    Indoor unit Room sensor Error (open or short) 3 OPERATING and TIMER LED blinking (1Hz) Indoor unit heat exchanger temperature sensor Error (open or short) 4 FAN LED blinking (1Hz) Indoor fan malfunctioning (for speed is Below 38Orpm) Samsung Electronics...

  • Page 29: Fault Diagnosis By Symptom

    Check PCB pattern. Replace ICO2 Replace main PCB. 20ms Is voltage output terminal of D101~D105(IN4007) normal? Are voltage at #30 and #31 of the micom normal? Replace resonator (X501) 100ns Replace IN4007 Is operation normal? Replace micom Samsung Electronics...
  • Page 30 Is the supply voltage of the fan out of order. replaced. motor sufficient? Test rod location Normal voltage PCB CN73 Condition Fan operate AC 180V MF-C is out of order Replace MFC Fan motor Fan motor should be replaced. is out of order. Samsung Electronics...
  • Page 31 Is rating voltage ±10% range applied relay between Terminal out of order replaced. Tap(TB71) and RY 71 terminal No. Outdoor unit is out of order. Is the room sensor normal register? 10°C 20°C 30°C 17.96k 12.09k 8.3k Ω Ω Ω Samsung Electronics...
  • Page 32 Is the voltage between CN71 #3 and RY71 NO rating voltage ±10% range Abnormal RY73 Abnormal 4way valve of Outdoor Unit. or connecting Cable PCB should be replaced. 4 way valve should be replaced or connecting Cable Check. Samsung Electronics...

  • Page 33: If Operation By Remote Control Unit Is Impossible. (Initial Diagnosis)

    Voltage at PIN #30 of Remocon Micom change? Voltage at collecter of Q601 or Q602 change? Q601(C4375Y) or Q602(C1623Y) is faulty. IR LED(CL-1L5EU) is faulty. Voltage at pin #26 of micom (IC04) change (INDOOR UNIT)? Receiver module is faulty. Micom (IC04) is faulty. Samsung Electronics...

  • Page 34: Pcb Inspection

    5-3-2 Procedure The parts should be replaced in the following procedure. Check for any faulty part. Detach the faulty part. Replace it with a new part. Check the operation of the new part. The repair is completed. Samsung Electronics...
  • Page 35 1. Indoor unit fan motor is faulty. RMC switch pushed. above 180V~ 1. [FAN] mode 2. Fan speed [Hi] 2. Indoor unit fan motor does not operate. 2. Poor connection of indoor fan motor 3. Continuously operation and connector of RPM sensing (CN43) Samsung Electronics...

  • Page 36: Fault Diagnosis Of Major Parts

    Black, Red Ω Abnormal … open or short ∞ Ω Measure resistance between red wire and each terminal. Stepping Motor Normal Approx. 380 at ambient temperature (20°C ~30°C) (UP/DOWN swing motor) Ω Abnormal … open or short ∞ Ω Samsung Electronics...
  • Page 37 MEMO 5-10 Samsung Electronics...

  • Page 38: Exploded Views And Parts List

    6. Exploded Views and Parts List 6-1 Indoor Unit You can search for the updated part code number through the ITSELF. URL : http://itself.sec.samsung.co.kr Samsung Electronics...
  • Page 39 ASS´Y-C-F-FAN Ø95 619.4mm DB94-00040H ASS´Y BEARING ASS´Y DB94-40017A DB32-00027A ASS´Y-THERMISTOR ASS´Y ASS´Y POWER CORD UCP2 DB39-10062V NO-PLUG DB39-10062W ” DB61-10151A CASE CONTROL DB61-60093A BODY-BUSH HIPS ASS´Y BACK BODY ASS´Y DB94-20030D HOLDER PIPE HIPS DB61-40247A DB70-10618A PLATE HANGER SGCC-M Samsung Electronics...
  • Page 40 6-2 Outdoor Unit 18-1 24-1 25-3 25-4 25-5 25-1 25-2 Samsung Electronics...
  • Page 41 DB97-30184G ASS´Y-WITHOUT PIPE 1/4” & 1/2” DB97-30184E ASS´Y-WITHOUT PIPE 1/4” & 3/8” 25-1 DB60-30010A FLARE NUT 1/4” 25-2 DB60-30010B FLARE NUT 3/8” DB60-30010C FLARE NUT 1/2” DB67-20008A 25-3 DRAIN PLUG 25-4 DB63-10354A CAP DRAIN 25-5 DB63-10355A CAP DRAIN Samsung Electronics...
  • Page 42 DB97-30184G ASS´Y-WITHOUT PIPE 1/4” & 1/2” DB97-30184E ASS´Y-WITHOUT PIPE 1/4” & 3/8” DB60-30010A FLARE NUT 1/4” 25-1 DB60-30010B FLARE NUT 3/8” 25-2 DB60-30010C FLARE NUT 1/2” DB67-20008A DRAIN PLUG 25-3 DB63-10354A CAP DRAIN 25-4 DB63-10355A CAP DRAIN 25-5 Samsung Electronics...
  • Page 43 Exploded Views and Parts List Samsung Electronics...
  • Page 44 DB99-00157F ASS’Y CHECK V/V ASS’Y DB96-01618A ASS’Y CAPILLARY ASS’Y DB96-01461A ASS’Y COND ASS’Y(SF) DB96-01614A ASS’Y COND ASS’Y(SF) DB90-00634A CABINET SIDE ASS’Y(BENDING) DB63-10443C HANDLE CABI, RH SGCC-M, T1.2 DB61-00802A BRACKET MOTOR DB72-00683A CLOTH COMP T10.0 DB72-00689B CLOTH COMP T10.0 Samsung Electronics...

  • Page 45: Remote Control

    ART 90 DB68-10790A LABEL DOOR ART 90 PH-M2 SCREW TAP PH-M2 DB67-60061A SPRING BATTERY SUS 304 DB67-60062A SPRING BATTERY SUS 304 DB67-60063A SPRING BATTERY SUS 304 PE BAG 90 X 250 DB93-40179C ASS’Y PCB REMOCON DB61-40243A HOLDER REMOCON Samsung Electronics...
  • Page 46 Exploded Views and Parts List 6-3-2 PCB Box Parts List ■ Q’TY CODE NO Specification SH07YAB Description AQ07A1VE AQ09A1VE AQ12A1VE AQ07A2VE AQ09A2VE AQ12A2VE SH09YAB AQ12B2VE AQ07B1VE AQ09B1VE AQ12B1VE AQ07B2VE AQ09B2VE SH12YAB DB61-10136A Case-control DB93-10483A Ass'y MAIN PCB DB93-10485A Ass'y MAIN PCB...

  • Page 47: Block Diagrams

    OUTDOOR FAN MOTOR DRIVE • 4-WAY VALVE 4-WAY VALVE DRIVE TEMPERATURE SELECT STEPPING MOTOR • STEPPING MOTOR DRIVE BUZZER SLEEP SELECT • BUZZER DRIVE TIME SETTING DC 12V DC 5V VOLTAGE REGULATOR AC INPUT POWER TRANSFORMER VE : 220-240V/50HZ Samsung Electronics...
  • Page 48 ME MO Samsung Electronics...
  • Page 49 8. PCB Diagrams 8-1-1 Main PCB (AQ07A1VE/AQ09A1VE/AQ12A1VE AQ07B1VE/AQ09B1VE/AQ12B1VE) Samsung Electronics...
  • Page 50 CONNECTOR WAFER SMW250-09 WHT TB71,72 DE59-30001A CONNECTOR-TERMINAL 250TAP, 1PIN RY71 3501-001058 RELAY DI1U DB12V RY72,RY72 B3068-0092 RELAY JQ1a-12V J1~J35 DE39-60001A PI0.6 SN T 52MM WIRE SO COPER HR01~HR04, LR01~LR04 DE39-60001A WIRE SO COPER PI0.6 SN T 52MM SW01~02, DP01~DP04 Samsung Electronics...
  • Page 51 PCB Diagrams 8-1-2 Main PCB (AQ07A2VE/AQ09A2VE/AQ12A2VE AQ07B2VE/AQ09B2VE/AQ12B2VE) Samsung Electronics...
  • Page 52 CONNECTOR WAFER SMW250-09 WHT TB71,72 DE59-30001A CONNECTOR-TERMINAL 250TAP, 1PIN RY71 3501-001058 RELAY DI1U DB12V RY72,RY72 B3068-0092 RELAY JQ1a-12V J1~J40 DE39-60001A WIRE SO COPER PI0.6 SN T 52MM HR01~HR04, LR01~LR04, OP01~OP04 DE39-60001A WIRE SO COPER PI0.6 SN T 52MM Samsung Electronics...
  • Page 53 PCB Diagrams 8-1-3 Main PCB (S07/09/12YAB) Samsung Electronics...
  • Page 54 CONNECTOR WAFER SMW250-05 WHT CN71 CONNECTOR WAFER YW396-03AV BLK CN92 CONNECTOR WAFER SMW250-09 WHT TB71,72 CONNECTOR-TERMINAL 250TAP, 1PIN RY71 RELAY DI1U DB12V J1~J35 WIRE SO COPER PI0.6 SN T 52MM IC08 EEPROM 93LC56B-I/P R902, 903 R-CARBON 1/2 461-J Samsung Electronics...
  • Page 55 CA OA 50V 102Z DIODE SWITCHING 0401-000005 1N4148 C/W DIS & MODULE DB39-20346A UL1007 AWG#26/9 CASE-CENTER PCB UP DB61-10191A PC, BLUE CASE-CENTER PCB LOW DB63-10494A ABS, BLK SEAL DISPLAY UPP DB72-10233A FOAM-PE, BLK SEAL CASE DISPLAY DB72-10220F 30FOAM-PE PAINT DCR-200H(BROWN) Samsung Electronics...

  • Page 56: Wiring Diagrams

    9. Wiring Diagrams 9-1 Indoor Unit AQ07A2VE/AQ09A2VE/AQ12A2VE AQ07A1VE / AQ09A1VE / AQ12A1VE ■ ■ AQ07B2VE/AQ09B2VE/AQ12B2VE AQ07B1VE / AQ09B1VE / AQ12B1VE SH09YAO/SH12YAO Samsung Electronics...
  • Page 57 Wiring Diagrams SH07/09/12YAB ■ Samsung Electronics...
  • Page 58 9-2 Outdoor Unit UQ07A1VE/UQ07A2VE/UQ07BIVE/UQ07B2VE ■ UQ07✳✳VE: 1.5/25µF x 450VAC CAPACITOR UQ09A1VE/UQ09A2VE/UQ09B1VE/UQ09B2VE/XSH09ZV ■ UQ09✳✳VE/XSH09ZV: 1.5/30µF x 450VAC CAPACITOR Samsung Electronics...
  • Page 59 Wiring Diagrams UQ12A1VE/UQ12A2VE/UQ12B1VE/UQ12B2VE/XSH12ZV ■ UQ12✳✳VE/XSH12ZV: 0.9/30µF x 450VAC CAPACITOR SH07/09/12YABX ■ C1 : MOTOR CAPACITOR C2 : COMP CAPACITOR Samsung Electronics...
  • Page 60 Wiring Diagrams SH09/12YAO ■ C1 : MOTOR CAPACITOR C2 : COMP CAPACITOR Samsung Electronics...
  • Page 64 ME MO 10-7 Samsung Electronics...
  • Page 65 Itself Solution Integrated technology supporting electronic library http://itself.sec.samsung.co.kr Copyright © 2002 By Samsung Electronics Co., Ltd. All rights reserved. This manual may not, in whole or in part, be copied, photocopied, reproduced, translated, or converted to any electronic or machine readable from without prior written permission of Samsung Electronics Co., Ltd.
  • Page 66 ELECTRONICS © Samsung Electronics Co., Ltd. Aug. 2002. Printed in Korea. Code No. DB81-00070A(2)

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