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Samsung UQA07C5(6)ME, Service Manual

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Samsung UQA07C5(6)ME Service Manual Download Page 58

M E M O

Samsung Electronics

10-3

 DB98-04444A(1)-2  4/9/02 2:24 PM  Page 9-6

Summary of Contents for UQA07C5(6)ME

Page 1: ...UQA07C5 6 ME UQA09CA B ME UQA12CA B ME SH07AC5 6 X SH09ACA B X SH12ACA B X 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 ...

Page 2: ...n cord and avoid tapping into a power cord This practice may result in malfunction or fire 6 After completing repairs and reassembly check the insulation resistance Procedure Prior to applying power mea sure the resistance between the power cord and the ground terminal The resistance must be greater than 30 megaohms 7 Make sure that the grounds are adequate 8 Make sure that the installation condit...

Page 3: ...Samsung Electronics 1 2 MEMO ...

Page 4: ...40 3 7 3 3 97 3 97 3 14 5 250V 10 16A 3 15 790x245x165 660x494x235 31 10x9 65x6 50 25 98x19 57x9 25 7 7 27 5 ø6 35 x 5 ø9 52 x 5 ø17 x 2 Rotary 849 Cross fan Propeller Resin Steel 15 25 2Row 12Step 1Row 20Step Capillary tube 280 560 RAC12126 9622 Perfor mance Power Size AQA09CA B ME SH09ACA B Indoor unit Outdoor unit Wall mounting 2 80 1 1 2 90 6 6 7 0 38 51 38 51 2 83 3 09 1 220 240 50 990 940 4 ...

Page 5: ...Samsung Electronics 2 2 2 2 Dimensions 2 2 1 Indoor Unit 245 165 790 Air in Front view Rear view Remote control Air out Installation plate 22 45 115 ...

Page 6: ...ng Instructions and Installation 2 3 Samsung Electronics 2 2 2 Outdoor Unit 230 506 270 525 740 57 20 11 492 249 497 235 660 50 11 20 UQA07C5 6 ME SH07AC5 6 X UQA12CA B ME SH12ACA B X UQA09CA B ME SH09ACA B X ...

Page 7: ... cm 2 G 40 30 6 22 5 27 19 21 5 14 6 AQA07C5 6 ME SH07AC5 6 10 9 8 7 3 20 30 Outdoor drybulb temperature deg C Low Pressure kg cm 2 G 40 30 6 22 5 27 19 21 5 14 6 AQA09CA B ME SH09ACA B 10 9 8 7 6 20 30 Outdoor drybulb temperature deg C Low Pressure kg cm 2 G 40 30 6 22 5 27 19 21 5 14 6 AQA12CA B ME SH12ACA B ...

Page 8: ...ute by the pressing the temperature button FUNCTION OF KEY 3 1 1 The Feature of Key in remote controller DOWN Power On Off button to start and stop airconditioner or timer set up Press until the appearance the air condition cools or heats the room as quickly as possible after 30minutes the air the airconditioner is reset automatically to the previous mode NAMED OF KEY UP NO 1 2 3 4 5 6 7 8 9 Each ...

Page 9: ...om temperature The unit operates in DRY mode Compressor ON OFF Time is controlled compulsorily can not set up the fan speed always breeze Protective function Low temperature release Prevention against freeze 5 TURBO MODE This mode is available in AUTO COOL HEAT DRY FAN MODE When this button is pressed at first the air conditioner is operated powerful state for 30 minutes regardless of the set temp...

Page 10: ...tepping motor Swing Set Press the button under the remote control is displayed on LCD the and the blades move up and down If the one more time press the button blades loca tion is stop 10 24 Hour ON OFF Real Setting Timer The air conditioner is turned ON at a specified time using OFF TIMER The air Conditioner is turned OFF at a specified time using ON TIMER Only timer LED lights on OFF TIMER Both ...

Page 11: ...in a high place 3 Make sure that you install the outdoor unit in area providing good ventilation and which is not dusty It must not be blocked by any obstacle affecting the airflow near the air inlet and the air outlet 4 Make sure that you install the outdoor unit in area free from animals or plants 5 Make sure that you install the outdoor unit in area not blocking the traffic 6 Make sure that you...

Page 12: ...Drain hose installation Cut the piping hole sloped slightly Piping Liquid 1 4 Clamper tube Installation plate Installation tube Screw Vinyl tape Drain hose Putty Piping may be laid to the rear left right or down Right Rear Down 70mm or more 250mm ormore 200mmormore Rear Left 3 1 5 6 7 4 8 9 1 2 3 4 5 6 7 8 9 2 Remote control H metere s maximum Remote control holder 7K 9K BTU Piping Gas 3 8 12K BTU...

Page 13: ...ll with anchor bolts the anchor bolts must not project by more than 20mm 4 Determine the positions of the wooden uprights to be attached to the window frame 5 Attach the wooden uprights to the window frame in a manner appropriate to the weight of the indoor unit 6 Using tapped screws attach the installation plate to the wooden uprights as illustrated in the last figure oppo site On delivery the in...

Page 14: ...r end of the assembly cable into the outdoor unit refer to page 3 8 3 2 2 d Installing and Connecting the Indoor Unit Drain Hose Care must be taken when installing the drain hose for the indoor unit to ensure that any condensa tion water is correctly drained outside l When passing the drain hose through the 65mm hole drilled in the wall check that none of the following situations occur To install ...

Page 15: ...d in the installation diagram of indoor and outdoor unit Wiring connection Installing and Connecting the Outdoor Unit Drain Hose N1 1 2 3 Ass y cover valve RO Hand cabi RH Drain hole When using the air conditioner in the heating ice may accumulate Duting de icing the condensed water must be drained off safely Consequently you must install a drain hose on the outdoor unit following the instructions...

Page 16: ...t please recheck that pressure is stabilization Close the valve of the low pressure side of manifold gauge clockwise Remove the hose of the low pressure side of manifold gauge 7 Check for gas leakage At this time especially check for gas leakage from the 3 way valve s stem nuts and from the service port cap 5 Set valve cork of both liquid side and gas side of packed valve to the open position 2 Co...

Page 17: ...3 way valve clockwise to close connect the pressure gauge low pressure side to the service valve and open the 3 way valve again 5 Check the pressure indicated by the pressure gauge low pressure side Refer to Low pressure graph 6 Open the refrigerant tank and fill with refrig erant until the rated pressure is reached It is recommended not to pour the refriger ant in too quickly but gradually while ...

Page 18: ...as Side 160 300 500 200 350 550 Fixing Torque Final Torque Torque kg cm Connection Pipe Length 5m Max 5 10m Air Purge Method Refer to the detailed Air Purge Procedure Refrigerant Adjustment Unnecessary Add 20g of refrigerant R410A Add as liquid state for every 1m Air Purge Method Purge air using a vaccum pump Refrigerant Quantity refer to specification sheet Add 20g of refrigerant R410A Add as liq...

Page 19: ...unit At this time cover the valve of the outdoor unit and the other pipe using a cap or vinyl plug to avoid foreign material entering 6 Make sure you do not bend the connection pipes in the middle and store together with the cables 7 Move the indoor and outdoor units to a new locatioon 8 Remove the mounting plate for the indoor unit and move it to a new location 2 Way Valve 3 Way Valve Stem cap Va...

Page 20: ...er 3 Contract the second finger to the left and right handle and pull to open the inlet grille 4 Take the left and right filter out 5 Loosen one of the right fixing screw and separate the terminal cover 6 Loosen three fixing screws of front grille 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 Caut...

Page 21: ...in hose from the extension drain hose 2 Pull tray drain out from the back body 1 Do 1 and 2 3 above 2 Loosen two fixing earth screws of right side 3 Separate the connection pipe 4 Separate the holder pipe at the rearside 5 Loosen the three fixing screws of right and left side 6 Lifting the heat exchanger up a little to push the up side for separation from the indoor unit 1 Do 1 2 3 4 above 2 Loose...

Page 22: ...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 screw of Ass y E part 5 Loosen 5 fixing screws and separate the side cabinet ...

Page 23: ...o separate the motor 5 Loosen two fixing screws and seperate the motor bracket from the base 1 Do 1 2 above 2 Loosen two fixing screws of left and right side 3 Disassemble the inlet and outlet pipe by welding 4 Separate the heat exchanger 1 Do 1 2 3 above 2 Open the terminal cover of compressor and unscrew the connection terminal 3 Disassemble the inlet and outlet pipe of compressor by welding 4 L...

Page 24: ...nd 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 Loosen nine fixing screws and separate the cabi side 1 Do 1 above 2 Loosen four screws and seperaate Guard Fan from front cabinet UQA07C5 6 ME SH07AC5 6 X ...

Page 25: ...parate the motor 1 Do 1 2 above 2 Loosen two fixing screws of left and right side 3 Disassemble the inlet and outlet pipe by welding 4 Separate the heat exchanger 1 Do 1 above 2 Loosen the nut on the terminal cover and open the terminal cover 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 ...

Page 26: ...pressor stops intermittently in a COOL mode or DRY mode and fan speed of the indoor unit decreases It indicates power is on The LED stops blinking if the operation ON OFF button on the remote control unit is pushed In happens after a delay of 3 minutes when the compressor is reoperated The same phenomenon occurs when a power is on As a phenomenon that the compressor is reoperated after a delay of ...

Page 27: ...oltage at 10 terminal of the Micom normal 0VDC Is voltage at 9 terminal of the Micom normal 5VDC Is rating voltage 10 range applied to the primary side of the BD71 Check linkage between power cord and terminal tap Check fuse Is 325VDC appear in the secondary side of BD71 Replace SMPS PARTS YES NO YES NO YES YES YES NO YES YES YES DC5V 10ms 250ns NO NO OK YES YES YES YES NO NO YES Normal Refer to r...

Page 28: ...edure After unplugging out the power cord should be reconnected within five seconds Does the STD lamp blink Does the Solid State Relay SS71 work properly Is the supply voltage of the fan motor sufficient Test rod location PCB CN72 Condition Fan operate about AC 180V Normal voltage pin 3 and 5 YES YES YES NO NO NO Check as in the procedure NO power parts Refer to page 5 2 Microcomputer is out of or...

Page 29: ...onds Does the STD lamp blink YES YES NO NO NO NO YES YES Outdoor unit is out of order Power relay is out of order Power relay should be replaced PCB should be checked Microcomputer is out of order PCB should be checked Room temperature sensor is out of order Check as in the procedure No Power parts Refer to page 5 2 Is the room sensor normal register 10 C 20 C 30 C 17 96kΩ 12 09kΩ 8 3kΩ Does the t...

Page 30: ...ulty Micom IC04 is faulty Normal Check as in the procedure No Power parts Refer to page 5 2 5 2 5 In the mode When there is no warm air current Check this first 1 Is the set temperature of Remote Control lower than room temperature in Heat mode 2 Is the Indoor PCB properly connected with the CN71 connector After training on the heating operation should start in five minutes Is the number 36 of Mic...

Page 31: ... module is faulty Q601 C4375Y or Q602 C1623Y is faulty IR LED CL 1L5EU is faulty sound heard from the indoor unit when ON OFF button on the remote control unit pushed Voltage of battery less than 2 5V Remote Control Unit LCD display status of REMOCON normal Voltage at PIN 30 of Remocon Micom change Voltage at collecter of Q601 or Q602 change Voltage at pin 26 of micom IC04 change INDOOR UNIT Micom...

Page 32: ...n its substrate So if a circuit board is roughly handled such lead wires and parts will be easily broken or damaged by bending or shock 5 When soldering the lead wires of any new part be sure to polish them using an emery paper or the like before solding them Since the lead wires of any new part are covered with an oxide film solder cannot adhere to the lead wires if not polished 6 When soldering ...

Page 33: ...voltage at BD71 rating voltage 10 range 2 DC voltage at BD71 about 325 v 10 3 DC voltage at IC02 IN GND DC12 v OUT GND DC5 v 4 Voltage waveform at Q201 collector GND squarewave Voltage check 1 check voltage of IC06 pin 10 pin 8 relay on 0 7 v relay off 12 v 2 Voltage at terminal block N1 1 rating voltage Causes Voltage over Indoor unit fan motor short circuit SMPS circuit is faulty SMPS circuit is...

Page 34: ...5V Normal At ambient temperature 10 C 30 C Abnormal OΩ open or short Measure resistance between red wire and each terminal Normal Approx 300Ω at ambient temperature 20 C 30 C Abnormal OΩ open or short Ambient temperature 15 C 20 C 25 C 30 C 35 C 40 C Resistance of 14 68 12 09 10 8 31 6 94 5 83 thermistor KΩ between Voltage Gray Orange 0 5V 4 5V Yellow Orange 5V Between Newmotech Wellng Jingjiang T...

Page 35: ...g up the model option with remocon Note In case the wrong letter has been selected continue to press the button until the correct letter appears 1st If the first stage number appears on the display proceed to the second stage 2nd Every time the and button and each continue to appear 3rd Whenever pressing the 1 2 button the number increase from 0 9 0123456789 and A b C d E F each time If the first ...

Page 36: ...tep 4 Pressing the ON OFF button When pressing the operation ON OFF key with the direction of remote controller for unit the sound Ding or Diriring is heard and the first LED lamp on the left side is flicker ing at the same time then the input of option is completed If the diriring sound isn t heard try again pressing the ON OFF button Step 5 Unit operation test run First Remove the battery from t...

Page 37: ... 12 Table of the option code MODEL AQA12CAME SH12ACA AQA12CBME SH12ACB AQA09CAME SH09ACA AQA09CBME SH09ACB AQA07C5ME SH07AC5 AQA07C6ME SH07AC6 OPTION CODE 016CA6 170340 006CA6 170340 016A25 1700FC 006A25 1700FC 015825 1700C8 005825 1700C8 ...

Page 38: ...MEMO 5 13 Samsung Electronics ...

Page 39: ...s List 6 1 Indoor Unit 19 16 14 24 9 7 23 3 4 5 21 6 22 8 12 17 18 25 13 4 13 3 13 2 13 13 1 11 10 2 1 15 20 1 20 5 20 4 20 20 6 20 6 1 20 7 20 2 20 3 You can search for the updated part code number through the ITSELF URL http itself sec samsung co kr ...

Page 40: ...1 40251A DB67 60030A DB96 01441A DB94 40003A DB93 00251L GRILLE AIR INLET GUARD AIR FILTER FILTER CLEANER ASS Y COVER TEMINAL ASS Y PANEL SPACER EVAP LOW SPACER EVAP UP COVER U BEND ASS Y FAN CROSS SF BOLT SPECIAL MOTOR FAN IN THERMISTOR WIRE ASS Y ASS Y CONTROL IN ASS Y PCB MAIN IC EPROM IC PWM CONTROLLER SSR TERMINAL BLOCK ASS Y HOLDER WIRE CLAMP ASS Y PCB DISPLAY C CERAMIC MLC AXIAL MODULE REMO...

Page 41: ...Samsung Electronics 6 3 6 2 Outdoor Unit 1 0 1 9 1 8 4 2 1 8 3 9 6 1 1 1 3 1 2 1 6 1 5 9 5 1 4 2 2 5 7 6 2 0 9 4 9 9 1 9 2 9 3 9 7 1 7 2 1 UQA12CA B ME SH12ACA B X UQA09CA B ME SH09ACA B X ...

Page 42: ...ITOR COMP CAPACITOR MOTOR CAPACITOR MOTOR TERMINAL BLOCK ASS Y LEAD WIRE O L P O L P O L P SPRING ASS Y SOLENOIDE ASS Y 4WAY VALVE ASS Y 4WAY VALVE COMPRESSOR COMPRESSOR GROMMET ISOLATOR NUT WASHER GASKET COVER TERMINAL NUT FLANGE ASS Y CHECK V V ASS Y CAPILLARY ASS Y COND ASS Y COND CABINET SIDE HANDLE CABI RH BRACKET MOTOR CLOTH COMP CLOTH COMP HSER CD 2 5 2C SM20C M6 NTR AS G F ø405 220 240V 60...

Page 43: ...Samsung Electronics 6 5 Outdoor Unit 1 2 3 4 1 2 1 8 1 8 4 1 7 1 7 1 2 1 2 0 1 9 1 8 2 1 8 1 0 1 6 1 4 1 1 1 5 1 3 5 8 2 8 3 8 8 1 8 5 6 7 9 UQA07C5 6 ME SH07AC5 6 X ...

Page 44: ... 18 1 18 2 19 20 21 DB63 00086B DB60 30004A DB67 00036A DB31 10058C DB90 00263F DB94 00141A DB90 00077D DB93 00478H 2501 001236 2301 001374 DB93 00481A DB33 00007C DB65 40049E DB72 00453A G4A080JU1EP DB35 00015T DB73 00070A DB60 30018A DB63 20002A DB63 10165D DB60 30028A DB96 01234C DB62 00897A DB99 00194A DB62 00815A DB62 00896A DB96 01286A DB64 60171C DB63 01069E GUARD FAN NUT FLALNGE FAN PROPEL...

Page 45: ...s 6 7 6 3 Remote Control PCB Box 3 1 2 4 5 6 7 Parts List No 1 2 3 4 5 6 7 Description INLAY LCD CASE TOP LCD KEY RUBBER ASS Y PCB REMOCON CASE LOW BATTERY COVER Q TY 1 1 1 1 1 1 1 Remark 6 3 1 ASS Y REMOCON DB93 00251L ...

Page 46: ...on HOLDER CONTROL ASS Y MAIN PCB ASS Y TERMINAL BLOCK ASS Y DISPLAY PCB CONNECTOR WIRE PCB U D HOLDER WIRE CLAMP SCREW SCREW HOLDER CLAMP IN SEAL PANEL FRONT RH SEAL H CONTROL FRONT Specification ABS ASS Y 6P ASS Y 5P PH M3 5 L22 TH M4 5 x16 ZPC WHT SWRCH Remark 6 4 1 ASS Y CONTROL IN DB93 00459D ...

Page 47: ...MEMO Samsung Electronics 6 9 ...

Page 48: ...7 1 Samsung Electronics 7 Block Diagrams 7 1 Refrigerating Cycle Block Diagram Note Note The check valve is applied only to UQA12CA B ME SH12ACB X as below UQA12CA B ME ...

Page 49: ...Samsung Electronics 8 1 8 PCB Diagrams 8 1 ASS Y MAIN PCB TOP PATTERN ...

Page 50: ...PC02 D101 CD11 VA71 X301 ST11 FT71 L101 RY71 BZ61 F701 F701 F702 CN72 CN71 CN91 CN61 CN42 CN41 CR71 C104 C601 C107 C101 C109 C103 C102 C105 C106 C108 C201 C202 C301 C402 C403 C501 C502 C503 C504 C901 C203 C204 C401 C404 R102 R103 R104 R202 R203 R204 R205 R404 R406 R206 R501 R502 R503 R602 R609 R610 R902 R402 R108 R603 R901 R201 R207 R208 R301 R401 R403 R408 R601 R607 R608 R606 R105 R604 R605 R405 ...

Page 51: ...Samsung Electronics 8 3 8 2 ASS Y MAIN PCB DB93 00437A BOTTOM PATTERN ...

Page 52: ...RBON JUMP CONNECTOR WAFER CONNECTOR WIRE Specification 64 5x53 KSM 713TH5 KPT 1105A 102K 104Z IN4148 470 1 2W 5 10mm SMAW200 05 UL1007 AWG 26 1 1 1 1 1 1 3 2 1 1 Location No RM01 SW01 C01 C02 D01 R01 R02 R03 J01 CN02 CN01 Q TY Remark 8 4 Samsung Electronics 8 3 ASS Y DISPLAY PCB DB93 00927A 8 4 ASS Y CENTER DISPLAY DB93 00859A ...

Page 53: ...MEMO Samsung Electronics 8 5 ...

Page 54: ...9 1 Samsung Electronics 9 Wiring Diagrams 9 1 Indoor Unit ...

Page 55: ...Samsung Electronics 9 2 9 2 Outdoor Unit UQA12CA B ME UQA09CA B ME UQA07C5 6 ME SH12ACA B X SH09ACA B X SH07AC5 6 X DIAGRAM OUTDOOR C1 MOTOR CAPACITOR C2 COMP CAPACITOR ...

Page 56: ...MEMO 9 3 Samsung Electronics ...

Page 57: ...Samsung Electronics Samsung Electronics 10 2 10 1 10 Schematic Diagrams 10 1 Indoor Unit ...

Page 58: ...MEMO Samsung Electronics 10 3 ...

Page 59: ...ou need more information please see the service website 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 Samsu...

Page 60: ...ELECTRONICS Samsung Electronics Co Ltd Apr 2002 Printed in Korea Code No DB98 04444A 1 ...

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