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Samsung UH052EAV, Service Manual

The Samsung UH052EAV Service Manual is a comprehensive guide that enables users to troubleshoot and maintain their appliance efficiently. This manual is easily accessible for download, completely free on manualshive.com, providing step-by-step instructions and invaluable insights to ensure optimal performance for your Samsung UH052EAV.

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Samsung Electronics

8. Schematic Diagram

8-1 Indoor Unit

This Document can not be used without Samsung’s authorization.

8-1

8-2

25890A(1)_1.indd   4

2006-04-14   ｿﾀﾈﾄ 2:22:30

Summary of Contents for UH052EAV

Page 1: ...NER THE FEATURE OF PRODUCT SYSTEMAIR CONDITIONER INDOOR UNIT OUTDOOR UNIT Basic FH24BTA FH24BTX Model FH052EAV UH052EAV FH070EAV UH070EAV Model Code FH052EAV UH052EAV Model Code FH070EAV UH070EAV Healthy Air Auto Changeover Long Lasting Outdoor Unit Free Installation FH052EAV FH070EAV UH052EAV UH070EAV ...

Page 2: ... Option Specifications 2 4 13 Alignment and Adjustments 3 1 3 1 Indoor Display Error and Check Method 3 1 3 2 Outdoor LED Error Display and Check Method 3 2 3 3 Setting Option Setup Method 3 3 14 Disassembly and Reassembly 4 1 4 1 Indoor Unit 4 1 4 2 Outdoor Unit 4 10 15 Exploded Views and Parts List 5 1 5 1 Indoor Unit 5 1 5 2 Outdoor Unit 5 5 16 Electrical Parts List 6 1 17 Wiring Diagram 7 1 7 ...

Page 3: ...ooting 12 1 12 1 Items to be checked first 12 1 12 2 Fault Diagnosis by Symptom 12 2 12 3 PCB Inspection Method 12 18 12 4 Main Part Inspection Method 12 20 13 Block Diagram 13 1 13 1 Indoor Unit 13 1 13 2 Outdoor Unit 13 2 14 Reference Sheet 14 1 14 1 Index for Model Name 14 1 14 2 Pressure Graph 14 2 14 3 Pressure Capacity mark 14 2 14 4 Q A for Non trouble 14 3 14 5 Cleaning Filter Change 14 6 ...

Page 4: ...in order to avoid a hazard The air conditioner must be plugged into an independent circuit if applicable or connect the power cable to the auxiliary circuit breaker An all pole disconnection from the power supply must be incorporated in the fixed wiring with a contact opening of 3mm Do not extend an electric cord to the air conditioner The air conditioner must be plugged in after you complete the ...

Page 5: ...ntacts with your skin it can cause skin injury The package of the air conditioner should be recycled or disposed of properly for environmental reasons 1 5 Others Never store or load the air conditioner upside down or sideways to prevent the damage to the compressor Young children or infirm persons should be always supervised when they use the air conditioner Max current is measured according to IE...

Page 6: ...ecifications 2 1 The Feature of Product Healthy Air Silver Nano pre filter is used Auto Changeover Long Lasting Outdoor Unit Anti Corrosion Cabinet Heat Exchanger are applied Free Installation 4 directions piping installation are possible ...

Page 7: ... 4 Heating 96 3 96 8 Size Outer Dimension WidthxHeightxDepth mm 1 000x200x650 880x638x310 1 000x200x650 880x798x310 inch 39 4x7 9x25 6 34 6x25 1x12 2 39 4x7 9x25 6 34 6x31 4x12 2 Weight Net kg 22 50 22 57 Compressor Type G8T200FU1EW G8T260FU1EW Motor Type BLDC BLDC Rated Output W 1 852 2 454 Oil Type POE POE Blower Type Sirocco Propeller Sirocco Propeller Motor Type Resin steel Resin steel Resin s...

Page 8: ...door Unit 22 0kg 22 0kg Outdoor Unit 57 0kg 62 0kg Outer Dimension WidthxHeightxDepth Indoor Unit 1 000x200x650mm 1 000x200x650mm Outdoor Unit 880x798x310mm 880x648x310mm Noise Indoor Unit 51dB 48dB Outdoor Unit C H 60dB 60dB Air Purifying System Filter Silver Nano Filter Silver Nano Filter Indoor Display Detachable Display Detachable Display ...

Page 9: ...CTIONS MANUALDEINSTRUCCIONES ISTRUZIONIPERL USO MANUALDEINSTRUÇÕES MANUELD UTILISATION GEBRAUCHSANWEISUNG Splut type Room Air Conditioner Aire acondicionado doméstico sistema Split Condizionatore d aria per ambienti ad unità Separate Aparelho de ar condicionado tipo Split Climatiseur de type séparé Geteilte raumklimaanlage OWNER S INSTRUCTIONS SPLIT TYPE ROOM AIR CONDITIONER OWNER SINSTRUCTIONS MA...

Page 10: ...Displayed on outdoor unit Indoor and outdoor unit time out Abnormal data reception more than 60 packet Indoor unit is not connected Communication error between the outdoor unit Main Inverter Micom After 1 minute of Main Inverter detection X X X X Error of indoor unit Displayed on the indoor unit regardless of operation Self diagnosis Power voltage detection between indoor and outdoor unit communic...

Page 11: ...ature Dual Single 10 Discharge temperature sensor error Dual Single 11 Current sensor error 12 Compressor limit error 13 Coil temperature sensor error Dual Single 14 1min Time out Communication 15 Fan error 16 OTP error 17 Compressor rotation error 18 Operation condition secession Dual only 19 DC Link voltage sensor error 20 I_Trip error PFC Over current 21 GAS Leak error Dual Single 22 AC Line Ze...

Page 12: ...el reads or repeatedly Push the button to set the display panel to Every time you push the button the display panel reads repeatedly Push the button to set the display panel to Every time you push the button the display panel reads repeatedly Push the button to set the display panel to Every time you push the button the display panel reads repeatedly Push the button to set the display panel to Eve...

Page 13: ... the display part to and check the display part The display part shows Press the Mode Selection key to set the display part to and check the display part The display part shows Step 4 Pressing the ON OFF button When pressing the operation ON OFF key with the direction of remote control for unit the sound Ding or Diriring is heard and the OPERATION ICON lamp of the display is flickering at the same...

Page 14: ...msung Electronics 3 5 OPTION ITEMS SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 FH052EAV 0 3 5 7 7 0 1 9 8 0 0 0 FH070EAV 0 3 5 7 7 0 1 c 8 0 0 0 MODEL REMOCON Alignment and Adjustments ...

Page 15: ...r and both side 2 Detach the Air Inlet Grille 3 Open the Cover of Component Electrical Box by removing 3 screws center and both side 4 Disassembly and Reassembly 4 1 Indoor Unit Stop operation of the air conditioner and remove the power cord before repairing the unit 4 1 Samsung Electronics ...

Page 16: ...sung Electronics Disassembly and Reassembly No Parts Procedure Remark 2 Fan Motor 1 Detach the screw and untie earth wire of Motor 2 Disconnect of housing of Motor Wire 3 Disconnect the Capacitor Wire 4 2 ...

Page 17: ...s Disassembly and Reassembly No Parts Procedure Remark 4 Loosen the Guard Safety by removing 6 screws 5 Detach the Upper Case of Fan 2EA 6 Loosen the 4 screws what is fix the Motor 7 Detach the Fan and Motor assembly 4 3 ...

Page 18: ...k 8 Loosen the set fixing bolts with a M3 wrench 9 Detach the Fan 3 Drain Pan 1 Disconnect the Display PCB Wire as shown in picture white housing 2 Disconnect the Step Motor Wire as shown in picture blue housing 3 Disassemble the Hanger Bracket by removing the 1 screw Samsung Electronics 4 4 ...

Page 19: ...Loosen the 3 screws of Front Side 5 Disassemble the assembly Front Cover Part 6 Disconnect the Step Motor Wire as shown in picture 7 Detach the Wire Clamp fixed in Base Part 8 Detach the Front Cover assembly completely 4 5 Disassembly and Reassembly ...

Page 20: ...rocedure Remark 9 Loosen the screw what is fix with Base Part and Drain Pan Upper Side 2EA 10 Loosen the screw what is fix with Base Part and Drain Pan Lower Side 2EA 11 Detach the Drain Pan completely 4 6 Disassembly and Reassembly ...

Page 21: ...shown in picture white housing 2 Loosen the 2 screws shown in picture 3 Loosen the 2 screws shown in picture and remove Plastic Part white 4 Loosen the 2 screws shown in picture and remove Steel Bracket 5 Disassemble the 4 screws Steel Plate in rear side of the unit 4 7 Disassembly and Reassembly ...

Page 22: ...Samsung Electronics No Parts Procedure Remark 6 Loosen the 2 screws as shown in picture 7 Detach the Plastic Cover as shown in picture 8 Detach the Evaporator assembly 4 8 Disassembly and Reassembly ...

Page 23: ...ws as shown in picture 3 Disassemble the Blade and Stepping Motor assembly and remove the 2 Screws Stepping Motor 6 Display PCB 1 Loosen the 3 screws in rear side of Front Cover assembly as shown in picture 2 Disassemble Display PCB assembly and Disconnect Wire 3 Disassemble the Display PCB 4 9 Samsung Electronics Disassembly and Reassembly ...

Page 24: ...1 fixing screw of the Cover Control and detach the Cover Control 2 Loosen fixing screws and detach the Cabinet Upper 3 Loosen 1 screw fixed to assemble Control Box with Cabinet Side RH 4 Loosen 6 fixing screws and detach the Cabinet Side RH 4 2 Outdoor Unit UH052EAV 4 10 ...

Page 25: ...Samsung Electronics No Parts Procedure Remark 5 Loosen 2 screws fixed on the Guide Condenser 6 Loosen fixing screws of the Cabinet Front Disassembly and Reassembly 4 11 ...

Page 26: ...the Fan Propeller 3 Loosen 4 fixing screws to detach the Motor 4 Disconnect the wire between Ass y Control Out and Motor 5 Loosen 2 fixing screws and detach the Bracket Motor 3 Ass y Control Out 1 Detach several connectors from the Ass y Control Out 2 Detach several connectors from the PCB of Ass y Control Out 3 Pull up the Ass y Control Out Disassembly and Reassembly 4 12 ...

Page 27: ...w 3 Disassemble the pipes in both inlet and outlet with welding torch 4 Detach the Heat Exchanger 5 Compressor 1 Loosen the fixing nut and detach the Compressor Lead Wire 2 Disassemble the Felt Comp Sound 3 Loosen the 3 bolts at the bottom of Compressor like the picture on the right side Disassembly and Reassembly 4 13 ...

Page 28: ... screw of the Cover Control and detach the Cover Control 2 Loosen each 8 fixing screws and detach the Cabinet Upper 3 Loosen 1 screw fixed to assemble Control Box with Cabinet Side RH 4 Loosen fixing screws and detach the Cabinet Side RH UH070EAV Disassembly and Reassembly 4 14 ...

Page 29: ...Samsung Electronics No Parts Procedure Remark 5 Loosen 2 screws fixed on the Guide Condenser 6 Loosen fixing screws of the Cabinet Front Disassembly and Reassembly 4 15 ...

Page 30: ...e picture on the right side Turn clockwise because the screw is left handed 2 Detach the Fan Propeller 3 Loosen 4 fixing screws to detach the Motor 4 Disconnect the wire between Ass y Control Out and Motor 5 Loosen 2 fixing bolts and detach the Bracket Motor Disassembly and Reassembly 4 16 ...

Page 31: ...ol Out 2 Detach several connectors from the PCB of Ass y Control Out 3 Pull up the Ass y Control Out 4 Heat Exchanger 1 Release the refrigerant at first 2 Loosen fixing screw on both sides 3 Disassemble the pipes in both inlet and outlet with welding torch 4 Detach the Heat Exchanger Disassembly and Reassembly 4 17 ...

Page 32: ...edure Remark 5 Compressor 1 Loosen the fixing nut and detach the Compressor Lead Wire 2 Disassemble the Felt Comp Sound 3 Loosen the 3 bolts at the bottom of Compressor like the picture on the right side Disassembly and Reassembly 4 18 ...

Page 33: ...cs 5 1 5 Exploded Views and Parts List 5 1 Indoor Unit 14 7 43 37 29 4 23 18 6 41 40 36 34 32 1 38 19 20 16 24 42 13 15 39 30 26 28 27 3 25 33 44 1112 22 21 17 8 31 35 2 5 9 10 45 45 6 45 1 45 2 45 8 45 7 45 3 45 4 45 5 ...

Page 34: ...LADE V ABS 12 12 SA 19 DB31 00159A BLADE CONNECTOR V ABS 2 2 SA 20 DB31 00164A BLADE CONNECTOR H ABS 2 2 SA 21 DB31 00157A BLADE H ABS 1 1 SA 22 DB31 10153D SWING MOTOR IN ASS Y 1 1 SA 23 DB61 01352A BRACKET DRAIN SGCC M 1 1 SA 24 DB67 00258A DRAIN SUB LF SGCC M 1 1 SNA 25 DB67 00259A DRAIN SUB RH ABS 1 1 SNA 26 DB75 00221C EVAPORATOR ASS Y 1 1 SA 27 DB96 02250A ASS Y TUBE COLLECTOR ASS Y 1 SA DB9...

Page 35: ...CONTROL IN ASS Y 1 SNA 45 1 DB61 01154A BASE CONTROL SGCC M 1 1 SNA 45 2 DB61 01220A CASE PCB MAIN ABS UL94 V0 1 1 SNA 45 3 DB93 03375A ASS Y MAIN PCB PCB 1 1 SNA 45 4 DB65 00105M TERMINAL BLOCK 6P DAF S6P 1 1 SNA 45 5 DB65 00004R TERMINAL BLOCK 4P DAF S6P 1 1 SNA 45 6 DB26 10065B TRANS POWER ASS Y 1 1 SA 45 7 2301 001369 CAPACITOR 3uF 450VAC 1 SA 2301 001367 CAPACITOR 6uF 450VAC 1 SA 45 8 DB61 00...

Page 36: ...MEMO Samsung Electronics 5 4 ...

Page 37: ...Samsung Electronics 5 2 Outdoor Unit 14 8 10 17 22 21 4 1 2 3 13 12 11 20 19 9 7 16 1 15 2 15 15 4 18 1 15 3 15 1 16 18 5 6 5 5 UH052EAV ...

Page 38: ...1350J ASS Y CABINET SIDE RH SC 90073T 1 SA 13 DB63 00343A GUARD COND SC 90073T 1 SA 14 DB90 01881A ASS Y CABI UPPER ASS Y 1 SA 15 G8T200FU1EW COMPRESSOR ROTARY 1 SA 15 1 DB73 00067A GROMMET ISOLATOR NR 3 SA 15 2 DB60 30028A NUT WASHER M8 3 SA 15 3 DB60 30018A NUT FLANGE M5 1 SA 15 4 DB63 10165D COVER TERMINAL PBT 1 SA 16 DB99 00711A ASS Y 4WAY V V ASS Y 1 SA 16 1 DB62 02285A VALVE SERVICE 1 2 1 SN...

Page 39: ...Samsung Electronics 14 8 10 17 1 4 13 12 11 9 19 7 3 2 16 1 18 1 16 5 20 6 15 2 15 15 4 15 3 15 1 22 21 18 UH070EAV Exploded Views and Parts List 5 7 ...

Page 40: ...C 90073T 1 SA 13 DB63 30027C GUARD COND SC 90073T 1 SA 14 DB90 00569G ASS Y CABI UPPER ASS Y 1 SA 15 G8T260FU1EW COMPRESSOR ROTARY 1 SA 15 1 DB73 00067A GROMMET MOUNT NR 3 SNA 15 2 DB60 30028A NUT WASHER M8 3 SA 15 3 DB60 30018A NUT FLANGE M5 1 SA 15 4 DB63 10165D COVER TERMINAL PBT 1 SA 16 DB99 00710B ASS Y 4WAY V V ASS Y 1 SA 16 1 DB62 02342A VALVE SERVICE 5 8 1 SNA 17 DB99 00709A ASS Y VALVE EE...

Page 41: ...V 2012 1 SNA C306 2203 000192 C CER CHIP 100nF 80 20 50V Y5V 2012 1 SNA C307 2203 000192 C CER CHIP 100nF 80 20 50V Y5V 2012 1 SNA C311 2203 000257 C CER CHIP 10nF 10 50V X7R 1608 1 SNA C312 2203 000189 C CER CHIP 100nF 80 20 25V Y5V 1608 1 SNA C313 2203 000189 C CER CHIP 100nF 80 20 25V Y5V 1608 1 SNA C314 2203 000192 C CER CHIP 100nF 80 20 50V Y5V 2012 1 SNA C315 2203 000192 C CER CHIP 100nF 80 ...

Page 42: ...5mm STRAIGHT SN WHT 1 SNA CN51 3711 000794 HEADER BOARD TO CABLE BOX 2P 1R 2 5mm STRAIGHT SN 1 SNA CN61 3711 001036 HEADER BOARD TO CABLE BOX 6P 1R 2 5mm STRAIGHT SN 1 SNA CN71 3711 003404 HEADER BOARD TO CABLE 1WALL 2P 1R 7 92mm STRAIGHT SN BLU 1 SNA CN72 3711 000203 HEADER BOARD TO CABLE 1WALL 2P 3P 1R 7 92mm STRAIGHT SN WHT 1 SNA CN73 3711 000357 HEADER BOARD TO CABLE 1WALL 5P 1R 7 92mm STRAIGH...

Page 43: ...TCHING RLS4148 75V 150mA LL 34 TP 1 SNA D927 0401 000133 DIODE SWITCHING RLS4148 75V 150mA LL 34 TP 1 SNA F701 3602 001012 FUSE BLOCK 500V 100m 1 SNA F701_1 3601 000263 FUSE CARTRIDGE 250V 3 15A TIME LAG GLASS 5x20mm 1 SNA F702 3601 001308 FUSE 250V 1 6A TIME LAG PLASTIC 8 4x7 6mm 1 SNA FT71 DB27 00019A COIL CHOKE SSC1905200B Line Filter 20mH 50 30 1 SNA 0 3ohm 2 5A 20x28 mm 13x18 25 HEAT SINK1 DB...

Page 44: ...200mW 10K 10K SOT 23 TP 1 SNA Q906 0504 000001 TR DIGITAL DTA114EKA PNP 200mW 10K 10K SOT 23 TP 1 SNA Q907 0504 000001 TR DIGITAL DTA114EKA PNP 200mW 10K 10K SOT 23 TP 1 SNA Q908 0504 000001 TR DIGITAL DTA114EKA PNP 200mW 10K 10K SOT 23 TP 1 SNA Q909 0504 000001 TR DIGITAL DTA114EKA PNP 200mW 10K 10K SOT 23 TP 1 SNA Q910 0504 000001 TR DIGITAL DTA114EKA PNP 200mW 10K 10K SOT 23 TP 1 SNA R10 2007 0...

Page 45: ... SNA R602 2007 000300 R CHIP 10Kohm 5 1 8W TP 2012 1 SNA R603 2007 000468 R CHIP 1Kohm 5 1 8W TP 2012 1 SNA R604 2007 000931 R CHIP 470ohm 5 1 8W TP 2012 1 SNA R605 2007 000931 R CHIP 470ohm 5 1 8W TP 2012 1 SNA R606 2007 000030 R CHIP 560ohm 5 1 8W TP 2012 1 SNA R607 2007 000468 R CHIP 1Kohm 5 1 8W TP 2012 1 SNA R608 2007 000300 R CHIP 10Kohm 5 1 8W TP 2012 1 SNA R609 2007 000300 R CHIP 10Kohm 5 ...

Page 46: ...ormA 10mS 10mS 1 SNA SCREW 6002 000630 SCREW TAPPING PH 2S M3 L8 ZPC YEL SWRCH18A 2 SNA SW02 3406 001098 SWITCH ROTARY 240V AC 25A 6P 10C L14mm 1 SNA SW04 DB34 00009A SWITCH DIGITAL PT65 103 ROTARY DIP DC24V Max 0 4VA 1 SNA 50mOhm Max BULK 10mmx10mm straight SW05 3407 000121 SWITCH DIP 24V 300mA SLIDE STANDARD 1 SNA SW06 3407 000121 SWITCH DIP 24V 300mA SLIDE STANDARD 1 SNA SW07 3407 000121 SWITCH...

Page 47: ...100nF 1 SNA C113 2203 005261 C CER CHIP 1000nF 1 SNA C114 2401 000832 C AL 220uF 1 SNA C116 2203 000192 C CER CHIP 100nF 1 SNA C117 2203 000192 C CER CHIP 100nF 1 SNA C118 2401 002300 C AL 47uF 1 SNA C119 2401 000832 C AL 220uF 1 SNA C121 2203 000192 C CER CHIP 100nF 1 SNA C122 2203 005261 C CER CHIP 1000nF 1 SNA C123 2401 000303 C AL 100nF 1 SNA C201 2203 001562 C CER CHIP 10nF 1 SNA C202 2203 00...

Page 48: ...609 C CER CHIP 22nF 1 SNA C420 2203 000609 C CER CHIP 22nF 1 SNA C421 2401 002274 C AL 220uF 1 SNA C422 2306 000123 C FILM LEAD PPF 100nF 1 SNA C423 2203 000495 C CER CHIP 2 2nF 1 SNA C424 2203 000891 C CER CHIP 4 7nF 1 SNA C425 2203 000495 C CER CHIP 2 2nF 1 SNA C426 2203 000818 C CER CHIP 0 033nF 1 SNA C427 2203 001562 C CER CHIP 10nF 1 SNA C428 2401 001552 C AL 47uF 1 SNA C429 2203 000192 C CER...

Page 49: ...2 C CER CHIP 100nF 1 SNA C707 2203 000189 C CER CHIP 100nF 1 SNA C708 2203 000189 C CER CHIP 100nF 1 SNA C709 2401 003036 C AL 100uF 1 SNA C710 2203 000189 C CER CHIP 100nF 1 SNA C711 2203 000189 C CER CHIP 100nF 1 SNA C713 2203 000189 C CER CHIP 100nF 1 SNA C714 2401 001552 C AL 47uF 1 SNA C715 2203 000189 C CER CHIP 100nF 1 SNA C721 2203 000192 C CER CHIP 100nF 1 SNA C722 2203 000189 C CER CHIP ...

Page 50: ...04 001172 PHOTO COUPLER PC181 1 SNA IC13 1203 002948 IC POSI ADJUST REG TL431ACD 1 SNA IC16 DB95 00594A ASS Y VOLTAGE REGULATOR KIA78M05 KA78M05 1 SNA IC19 DB95 00594A ASS Y VOLTAGE REGULATOR KIA78M05 KA78M05 1 SNA IC20 1006 001325 IC BUS TRANSCEIVER LMS1487 1 SNA IC21 1202 000104 IC VOLTAGE COMP LM393 1 SNA IC30 0801 000393 IC CMOS LOGIC 74HC86 1 SNA IC31 0604 001003 PHOTO COUPLER PC814 1 SNA IC4...

Page 51: ...EMENT S 200ohm 1 SNA R101 2003 000855 R METAL OXIDE S 47Kohm 1 SNA R102 2007 001074 R CHIP 6 8ohm 1 SNA R103 2007 000468 R CHIP 1Kohm 1 SNA R104 2007 000686 R CHIP 3 3Kohm 1 SNA R105 2007 001222 R CHIP 9 09Kohm 1 SNA R106 2007 000263 R CHIP 1 82Kohm 1 SNA R107 2003 000708 R METAL OXIDE S 47ohm 1 SNA R112 2007 000924 R CHIP 470Kohm 1 SNA R113 2007 000924 R CHIP 470Kohm 1 SNA R114 2007 000924 R CHIP...

Page 52: ... R409 2007 000781 R CHIP 33ohm 1 SNA R410 2007 000781 R CHIP 33ohm 1 SNA R411 2007 000254 R CHIP 1 62Kohm 1 SNA R412 2007 000928 R CHIP 470ohm 1 SNA R413 2007 008261 R CHIP 150Kohm 1 SNA R414 2007 008261 R CHIP 150Kohm 1 SNA R415 2007 008261 R CHIP 150Kohm 1 SNA R416 2007 000254 R CHIP 1 62Kohm 1 SNA R417 2007 008562 R CHIP 30 1ohm 1 SNA R418 2007 009114 R CHIP 110Kohm 1 SNA R419 2007 009114 R CHI...

Page 53: ...18Kohm 1 SNA R517 2007 000455 R CHIP 18Kohm 1 SNA R518 2007 000076 R CHIP 330ohm 1 SNA R519 2007 000076 R CHIP 330ohm 1 SNA R520 2007 000076 R CHIP 330ohm 1 SNA R521 2007 000076 R CHIP 330ohm 1 SNA R522 2007 000076 R CHIP 330ohm 1 SNA R523 2007 000076 R CHIP 330ohm 1 SNA R524 2007 000455 R CHIP 18Kohm 1 SNA R525 2007 000455 R CHIP 18Kohm 1 SNA R526 2007 000455 R CHIP 18Kohm 1 SNA R527 2007 000455 ...

Page 54: ...007 001318 R CHIP 1Kohm 1 SNA R905 2007 001318 R CHIP 1Kohm 1 SNA R906 2007 001318 R CHIP 1Kohm 1 SNA R907 2007 001177 R CHIP 8 2Kohm 1 SNA R908 2007 001177 R CHIP 8 2Kohm 1 SNA R909 2007 001177 R CHIP 8 2Kohm 1 SNA R910 2007 000964 R CHIP 5 1Kohm 1 SNA R911 2007 000964 R CHIP 5 1Kohm 1 SNA R912 2007 000964 R CHIP 5 1Kohm 1 SNA R916 2007 000300 R CHIP 10Kohm 1 SNA R917 2007 000300 R CHIP 10Kohm 1 ...

Page 55: ... 220uF 1 SNA C116 2203 000192 C CER CHIP 100nF 1 SNA C117 2203 000192 C CER CHIP 100nF 1 SNA C118 2401 002300 C AL 47uF 1 SNA C119 2401 000832 C AL 220uF 1 SNA C121 2203 000192 C CER CHIP 100nF 1 SNA C122 2203 005261 C CER CHIP 1000nF 1 SNA C123 2401 000303 C AL 100nF 1 SNA C201 2203 001562 C CER CHIP 10nF 1 SNA C202 2203 000189 C CER CHIP 100nF 1 SNA C203 2203 001562 C CER CHIP 10nF 1 SNA C204 22...

Page 56: ...C CER CHIP 100nF 1 SNA C419 2203 000609 C CER CHIP 22nF 1 SNA C420 2203 000609 C CER CHIP 22nF 1 SNA C421 2401 002274 C AL 220uF 1 SNA C422 2306 000123 C FILM LEAD PPF 100nF 1 SNA C423 2203 000495 C CER CHIP 2 2nF 1 SNA C424 2203 000891 C CER CHIP 4 7nF 1 SNA C425 2203 000495 C CER CHIP 2 2nF 1 SNA C426 2203 000818 C CER CHIP 0 033nF 1 SNA C427 2203 001562 C CER CHIP 10nF 1 SNA C428 2401 001552 C ...

Page 57: ...IP 100nF 1 SNA C706 2203 000192 C CER CHIP 100nF 1 SNA C707 2203 000189 C CER CHIP 100nF 1 SNA C708 2203 000189 C CER CHIP 100nF 1 SNA C709 2401 003036 C AL 100uF 1 SNA C710 2203 000189 C CER CHIP 100nF 1 SNA C711 2203 000189 C CER CHIP 100nF 1 SNA C713 2203 000189 C CER CHIP 100nF 1 SNA C714 2401 001552 C AL 47uF 1 SNA C715 2203 000189 C CER CHIP 100nF 1 SNA C721 2203 000192 C CER CHIP 100nF 1 SN...

Page 58: ...00014A S W FIRMWARE EEPROM 1 SNA IC11 1203 003527 IC PWM CONTROLLER TOP243 1 SNA IC12 0604 001172 PHOTO COUPLER PC181 1 SNA IC13 1203 002948 IC POSI ADJUST REG TL431ACD 1 SNA IC16 DB95 00594A ASS Y VOLTAGE REGULATOR KIA78M05 KA78M05 1 SNA IC19 DB95 00594A ASS Y VOLTAGE REGULATOR KIA78M05 KA78M05 1 SNA IC20 1006 001325 IC BUS TRANSCEIVER LMS1487 1 SNA IC21 1202 000104 IC VOLTAGE COMP LM393 1 SNA IC...

Page 59: ...L DTA114EKA 1 SNA Q907 0504 000001 TR DIGITAL DTA114EKA 1 SNA R001 2006 001080 R CEMENT S 200ohm 1 SNA R101 2003 000855 R METAL OXIDE S 47Kohm 1 SNA R102 2007 001074 R CHIP 6 8ohm 1 SNA R103 2007 000468 R CHIP 1Kohm 1 SNA R104 2007 000686 R CHIP 3 3Kohm 1 SNA R105 2007 001222 R CHIP 9 09Kohm 1 SNA R106 2007 000263 R CHIP 1 82Kohm 1 SNA R107 2003 000708 R METAL OXIDE S 47ohm 1 SNA R112 2007 000924 ...

Page 60: ...1 SNA R407 2007 000872 R CHIP 4 7Kohm 1 SNA R408 2007 000781 R CHIP 33ohm 1 SNA R409 2007 000781 R CHIP 33ohm 1 SNA R410 2007 000781 R CHIP 33ohm 1 SNA R411 2007 000254 R CHIP 1 62Kohm 1 SNA R412 2007 000928 R CHIP 470ohm 1 SNA R413 2007 008261 R CHIP 150Kohm 1 SNA R414 2007 008261 R CHIP 150Kohm 1 SNA R415 2007 008261 R CHIP 150Kohm 1 SNA R416 2007 000254 R CHIP 1 62Kohm 1 SNA R417 2007 008562 R ...

Page 61: ...P 24Kohm 1 SNA R515 2007 000455 R CHIP 18Kohm 1 SNA R516 2007 000455 R CHIP 18Kohm 1 SNA R517 2007 000455 R CHIP 18Kohm 1 SNA R518 2007 000076 R CHIP 330ohm 1 SNA R519 2007 000076 R CHIP 330ohm 1 SNA R520 2007 000076 R CHIP 330ohm 1 SNA R521 2007 000076 R CHIP 330ohm 1 SNA R522 2007 000076 R CHIP 330ohm 1 SNA R523 2007 000076 R CHIP 330ohm 1 SNA R524 2007 000455 R CHIP 18Kohm 1 SNA R525 2007 00045...

Page 62: ... R903 2007 001318 R CHIP 1Kohm 1 SNA R904 2007 001318 R CHIP 1Kohm 1 SNA R905 2007 001318 R CHIP 1Kohm 1 SNA R906 2007 001318 R CHIP 1Kohm 1 SNA R907 2007 001177 R CHIP 8 2Kohm 1 SNA R908 2007 001177 R CHIP 8 2Kohm 1 SNA R909 2007 001177 R CHIP 8 2Kohm 1 SNA R910 2007 000964 R CHIP 5 1Kohm 1 SNA R911 2007 000964 R CHIP 5 1Kohm 1 SNA R912 2007 000964 R CHIP 5 1Kohm 1 SNA R916 2007 000300 R CHIP 10K...

Page 63: ...0V 30A 10mohm 1 SNA FUSE_1 3601 001198 FUSE CARTRIDGE 250V 20A 1 SNA L 3712 001139 CONNECTOR TERMINAL TAB MALE 1 SNA L W EARTH DB39 00514G CONNECT WIRE EARTH GRN YEL 1 SNA L W POWER AC DB39 00998D CBF LEAD WIRE AC POWER WIRE 1 SNA N 3712 001139 CONNECTOR TERMINAL TAB MALE 1 SNA PCB DB41 00433A PCB SUB EMI BOARD PCB 2L 1 SNA R002 2001 001150 R CARBON S 470Kohm 1 SNA R003 2001 001150 R CARBON S 470K...

Page 64: ...0V 30A 10mohm 1 SNA FUSE_1 3601 001381 FUSE CARTRIDGE 250V 30A 1 SNA L 3712 001139 CONNECTOR TERMINAL TAB MALE 1 SNA L W EARTH DB39 00514G CONNECT WIRE EARTH GRN YEL 1 SNA L W POWER AC DB39 00998G CBF LEAD WIRE AC POWER WIRE 1 SNA N 3712 001139 CONNECTOR TERMINAL TAB MALE 1 SNA PCB DB41 00433A PCB SUB EMI BOARD PCB 2L 1 SNA R002 2001 001150 R CARBON S 470Kohm 1 SNA R003 2001 001150 R CARBON S 470K...

Page 65: ...1N4148 1 SNA D902 0401 000005 DIODE SWITCHING 1N4148 1 SNA K1 3404 000165 SWITCH TACT 12V 50mA 1 SNA K2 3404 000165 SWITCH TACT 12V 50mA 1 SNA LED91 0601 000402 LED ROUND YEL 1 SNA LED92 0601 000552 LED ROUND GRN 1 SNA LED93 0601 001373 LED ROUND RED 1 SNA PCB DB41 00447A PCB DISPLAY PCB 1L 1 SNA Location No Code No Description Specification Q TY SA SNA Remark Electrical Parts List 6 25 ...

Page 66: ...Samsung Electronics 7 1 7 Wiring Diagram 7 1 Indoor Unit This Document can not be used without Samsung s authorization ...

Page 67: ...7 2 Samsung Electronics This Document can not be used without Samsung s authorization 7 2 Outdoor Unit UH052EAV ...

Page 68: ...Samsung Electronics 7 3 This Document can not be used without Samsung s authorization UH070EAV Wiring Diagram ...

Page 69: ...Samsung Electronics 8 Schematic Diagram 8 1 Indoor Unit This Document can not be used without Samsung s authorization 8 1 ...

Page 70: ...Samsung Electronics 8 2 Outdoor Unit This Document can not be used without Samsung s authorization 8 2 ...

Page 71: ...AC Power Ventilator Drain pump Indoor Fan Part TAP External Control Wired Remote Controller Power 12V 485 Communication Part F1 F2 485 Communication Part F3 F4 Float switch Temperature Sensor Part Room Temperature Eva In Temperature Indoor Rouver Stepping Motor Display Part Option Address Set S W Micom download 25890A 1 _1 indd 6 7 2006 04 14 ｿﾀﾈﾄ 2 31 33 ...

Page 72: ...nit This Document can not be used without Samsung s authorization Circuit Descriptions Samsung Electronics Circuit Descriptions 9 2 Temperature Sensor EEV PFC SMPS Inverter 25890A 1 _1 indd 8 9 2006 04 14 ｿﾀﾈﾄ 2 27 28 ...

Page 73: ...tronics Heat Exchanger Evaporator Heat Exchanger Condenser Propeller Fan Blower 3 Way Service valve Expansion Valve 4 Way valve Gas side Liquid side Compressor Indoor Unit Outdoor Unit Cooling Heating Gas Leak Check Point 2 Way Service valve 9 3 ...

Page 74: ...UB PCB Connection Indoor Option S W Electrical Expansion Valve EEV DC12V OUT Wired Remote Controller Power Panel Louver Stepping Motor Communication1 Outdoor_F1 F2 Micom Program Download Communication2 Wired Remocon_F3 F4 SSR FAN CONTROL Display Trans Out External control OUT ERROR COMP Status Trans In Heater discharge temp sensor SSR 3A 15 16 1 2 3 4 5 17 18 6 7 8 9 10 11 12 14 19 20 21 22 23 24 ...

Page 75: ...P Temperature Sensor Power L DIS OUT Temperature Sensor BLDC FAN EEV Connector AC FAN Comp Connector Wire Communication 485 Reactor Connector Wire 6 7 8 1 2 3 4 5 9 10 9 2 3 7 6 8 5 10 2 Outdoor PCB The red number connecter is not used 1 10 4 ...

Page 76: ...del 11 Operating Instructions 11 1 Name of Each Part 11 1 1 Indoor Unit Air flow blade right left Air flow blade up down Air filter Front grille Remote control sensor Defrosting indicator Filter sign indicator Fan indicator Auto indicator Timer indicator Operation indicator On Off button ...

Page 77: ...11 2 Samsung Electronics 11 1 2 Outdoor Unit UH052EAV Air Outlet Air Inlet Rear Connection Valve UH070EAV Air Outlet Air Inlet Rear Connection Valve Operating Instructions ...

Page 78: ...es until the required temperature is displayed Possible temperatures are between 18 C and 30 C inclusive Cooling Your Room 1 If necessary press On Off button 2 To select the COOL mode press the button until is displayed at the top of the wireless remote controller 3 To adjust the temperature press the buttons one or more times until the required temperature is displayed Possible temperatures are b...

Page 79: ...utton 2 To select the HEAT mode press the button until is displayed at the top of the wireless remote controller 3 To adjust the temperature press the buttons one or more times until the required temperature is displayed Possible temperatures are between 16 C and 30 C inclusive 4 Select the fan speed by pressing the button one or more times until the intended value is displayed Wireless Remote Con...

Page 80: ...o adjust the temperature press the buttons one or more times until the required temperature is displayed Possible temperatures are between 18 C and 30 C inclusive Airing Room 1 If necessary press On Off button 2 To select the FAN mode press the button until is displayed at the top of the wireless remote controller 3 Select the fan speed by pressing the button one or more times until the intended v...

Page 81: ...n On Off Timer Set Cancel button Fan speed adjustment button Temperature adjustment buttons Temperature setting Fan speed Air flow direction On Timer setting Off Timer setting Battery discharge indicator Note After cleaning the air filter press the button 11 6 To use the wireless remote controller refer to an appropriate manual For cooling only mode there is not a mark ...

Page 82: ...ter 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 3 minutes the indoor fan is adjusted automatically with reference to a temperature of the air blew 2 Compressor stops operation intermittently in DRY mode Compressor operation is controlled automatically in DRY mode depending on...

Page 83: ...Replace fuse No Reconnect wires correctly No Check the display board operate Press the Power Button on the remote control unit to operate the air conditioner Unplug the power cord and plug it after 30 seconds Check the indoor unit outdoor Unit control board does not operate Check whether 2 wires of power cord are connected correctly to the terminal block and control board Check the input output vo...

Page 84: ...re No After 30 seconds after pulling out the power plug move to the next step Is the outdoor unit Fuse normal Connect the Reactor Wire Is the of C102 Short Replace the PCB Replace the power cable Normal Operation Exit Yes Yes Yes Yes Replace the Fuse Connect the reactor wire Separate the PCB from the case Is there any incorrect insertion or no insertion of the PCB parts Replace the PCB Yes Yes No ...

Page 85: ... Piping Space etc 6 Is there no ventilation obstruction at the surrounding of outdoor Outdoor unit cover Fan front obstruction etc 2 Troubleshooting procedure No Exchange the PCB No Exchange the PCB No Exchange the compressor No Reinstall and remove the obstruction Yes Yes Yes Yes Is the installation of outdoor unit good Dose the compressor rotate normally Is the assembly of R418 R413 IC41 C437 an...

Page 86: ...efrosting operation Is the compressor in 3 minutes off Check the resistance value of 4 WAY valve coil Go to the next page 4 WAY valve main body error Attach the sensor correctly Over shortage of the refrigerant Connect the connecter correctly 4 WAY valve coil error Exchange the outdoor PCB No Yes Yes Yes OK Yes No No No NG No Is much frost in the indoor heat exchanger Does the 4 WAY valve operate ...

Page 87: ...or Is the outdoor fan connected correctly Dose the voltage of DC300V apply to the connector of outdoor fan during the operation of outdoor unit The over shortage of refrigerant Insufficient Capacity Load estimation error Connect the connector Outdoor fan error Check the motor wire Exchange the out PCB EEV coil error Connect the connector Is much frost in the heat exchanger Is much frost in the hea...

Page 88: ...dance with temperature 4 Is the resistance value of sensor connection pull_up correct 2 Troubleshooting procedure Is the sensor connector connected correctly in accordance with a color Is the temperature sensor connected correctly without separation Does the both terminal of sensor satisfy the resistance value in accordance with temperature Refer to the R T TABLE Is the resistance value of sensor ...

Page 89: ...ocedure Is the sensor connector connected correctly in accordance with a color Is the temperature sensor connected correctly without separation Does the both terminal of sensor satisfy the resistance value in accordance with temperature Refer to the R T TABLE Is the resistance value of sensor connection pull_up 24K Reconnect the sensor connector Change the position of sensor Exchange the sensor Ex...

Page 90: ...cedure Is the sensor connector connected correctly in accordance with a color Is the temperature sensor connected correctly without separation Does the both terminal of sensor satisfy the resistance value in accordance with temperature Refer to the R T TABLE Is the resistance value of sensor connection pull_up 18 2K Reconnect the sensor connector Change the position of sensor Exchange the sensor E...

Page 91: ...inal of sensor satisfy the resistance value in accordance with temperature 4 Is the resistance value of sensor connection pull_up correct 2 Troubleshooting procedure Isn t the Fan locked Is the connector connected correctly Is the color of Fan wire matched correctly Remove the Fan lock Connect the connector Exchange the Fan Exchange the PCB Normal operation Exit Yes Yes Yes No No No No ...

Page 92: ...tor C101 C102 C103 for DC Link assembled in accordance the specification 3 Are R113 R114 R115 470 Kohm 4 Is R116 14 3Kohm 2 Troubleshooting procedure Is the voltage of outdoor unit terminal block N L correct after power supply Is the capacitor C101 C102 C103 for DC Link assembled in accordance the specification Apply the troubleshooting for outdoor unit power supply error Connect the connector Exc...

Page 93: ...sistance value normal Is the interphase resistance value of compressor u v v w w u normal Is the compressor body and interphase resistance insulated Is the condition of indoor outdoor temperature normal load Is the position of temperature sensor and the sensing value normal Is the connection cable for the compressor and power terminal normal Exchange the PCB Terminate the service Exchange the PCB ...

Page 94: ... cable wiring error 2 Troubleshooting procedure Yes Restart after power off Is the communication error occurred again Isn t the power cable and communication cable wiring error Is it the outdoor 2 Micom Inverter Main model Exchange the outdoor unit PCB Terminate the service Correct the wrong wiring Is the connection of communication cable normal Correct the connection of communication cable Exchan...

Page 95: ...rmal 2 Troubleshooting procedure Yes Restart after power off Is the restart error occurred again Is the interphase resistance value of compressor u v v w w u normal Is the connection cable for the compressor and power terminal normal Exchange the PCB Terminate the service Exchange the compressor Is the compressor body and interphase resistance insulated Exchange the compressor Correct the cable co...

Page 96: ...ormal 2 Troubleshooting procedure Yes Restart after power off Is the lock error occurred again Is the interphase resistance value of compressor u v v w w u normal Is the connection cable for the compressor and power terminal normal Exchange the PCB Terminate the service Exchange the compressor Is the compressor body and interphase resistance insulated Exchange the compressor Correct the cable conn...

Page 97: ...acitor normal 2 Troubleshooting procedure Yes Terminate the service Exchange the PCB Exchange the PCB Exchange the PCB Yes Yes Yes No No Yes Terminate the service No Yes Yes Yes Restart after power off Is the DC Link voltage error occurred again Is the front and back terminal voltage of indoor outdoor power relay normal Is the resistance for the detection of DC Link voltage normal Exchange the rea...

Page 98: ... Samsung Electronics 12 17 Troubleshooting 12 2 15 The others 1 AC Line Zero Cross Signal OUT Check the assembly condition of peripheral part of IC21 ZD21 ZD22 and D201 on the PCB 2 Capacity miss match Check again the indoor unit option code ...

Page 99: ...it of DC12V and DC5V and buzzer driving circuit 1 Display part LED lamp Switch Remocon module 1 Outdoor Main PCB part MICOM and surrounding circuit IPM and PFC circuit and control circuit 1 EMI PCB Part Line filter and Noise Capacitor Varistor 12 3 3 Indoor Detailed Inspection Procedure No Procedure Inspection Method Cause 1 Plug out and pull the PCB out of the electronic box Check the PCB fuse 1 ...

Page 100: ...Green Flickering Yellow Light Off 2 Is the voltage of C103 250V over 3 Is the input of IC19 8V and the output 5V 4 Recheck after disassembling BLDC FAN Wire Inner short of outdoor PCB Wrong assembly of outdoor PCB 4 Check the condition of indoor outdoor connection cable 1 Is the green LED light on once per second 2 Is the indoor outdoor connection cable connected in order 3 Is the grounding wire c...

Page 101: ... 0Ω Open or Short Room Fan Motor Measure the resistance between terminals of the connector CN73 with a tester Normal At the normal temperature 10 C 30 C Abnormal 0Ω Open or Short Stepping Motor Measure the resistance between the red wire and each terminal wire with a tester Normal About 300Ω at the normal temperature 20 C 30 C Abnormal 0Ω Open or Short Compare terminal Resistance Remark Red Blue 1...

Page 102: ... Ventilator Indoor FAN TAP Control Address Option Setting Switch Display External Control Signal External Status Output Indoor Louver Control 485 Communication Sensor Room Eva In Temp Floating Switch Micom Program Download Wired Remocon 12V Power Comm Between Wired Remocon units ...

Page 103: ...HARGE TEMPERATURE SENSOR CONDENSOR TEMPERATURE SENSOR SMPS 4 WAY VALVE EEV FAN INV IC MCU BLDC FAN CONTROL SIGNAL PFC CONTROL SIGNAL COMPRESSOR CONTROL 6P BLDC LED CONTROL SIGNAL OSCILLATION CIRCUIT PFC CIRCUIT AC FAN CONTROL SIGNAL EEV CONTROL SIGNAL 4 WAY CONTROL SIGNAL LED CONTROL SIGNAL INDOOR COMMUNICATION SIGNAL COMPRESSOR AC INPUT INDOOR UNIT AC ZERO CROSSING SIGNAL COMPRESSOR ZERO CROSSING...

Page 104: ...Samsung Electronics OUTDOOR FAN B D DIODE IPM DC_LINK CAP SMPS IGBT 13 3 UH052EAV Block Diagram ...

Page 105: ...13 4 Samsung Electronics UH070EAV OUTDOOR FAN IGBT DIODE IPM DC_LINK CAP SMPS B D Block Diagram ...

Page 106: ...Only H Heat pump T Heater Capacity Btu Power A 115V 60Hz B 220V 60Hz C 208 230V 60Hz D 200 220V 50Hz E 220 240V 50Hz F 220V 60Hz 3 phase G 380V 50Hz 3 phase Compressor Refrigerant specification N Normal T Tropical A R410 V Inverter R22 B Inverter R410 When marking the indoor outdoor units separately None SET A Indoor Unit X Outdoor Unit H 052 E A V O O O F ...

Page 107: ...10 4 0 029885 0 21616 745 7 178 11 641 19 2 544 4 1 76 04 550 9 8067 2 3423 8 4322 33 462 0 013151 1 7 233 1 3558 0 32383 1 1658 4 6262 0 0018182 0 13826 1 11 10 9 8 7 6 10 9 8 7 6 5 4 20 25 30 35 40 45 20 25 30 35 40 45 27 19 21 15 32 23 27 19 21 15 32 23 24 18 20 15 27 15 39 37 35 33 31 29 10 5 0 5 10 15 20 25 24 18 20 15 27 15 42 40 38 36 34 32 30 10 5 0 5 10 15 20 25 052 070 Low Pressure at Co...

Page 108: ...Q It floods the floor A Place the drain hose properly When it is not placed properly the drain water would flow back flooding the floor So straighten out the drain hose for the water to be drained well Q Water drips at the drain connection service valve of the outdoor unit A When a glass bottle is taken out of the refrigerator moisture gets condensed on its surface due to the temperature differenc...

Page 109: ...t occurs generally when there are pet animals in the house Their smells stay at the same place But when the air conditioner is turned on the air gets circulated resulting in the circulation of the smells So find and root out the problem or refresh the room frequently Q It sends out bad smells A When the air filter is filthy it could send out bad smells So clean the filter and ventilate the room wi...

Page 110: ...e iron case with the outdoor unit in it outside the apartment Also it is illegal obstructing passers by with the outdoor unit installed outside Q What can be done to install the outdoor unit facing the road because it is a commercial building A The following is an excerpt from Building Code going into effect from JUNE 1st 2005 The exhaust pipe of a cooling or ventilation facility installed in a bu...

Page 111: ...ille by pushing both sides and center Note If you have not used the air conditioner for a long period of time set the fan going for 3 or 4 hours to dry the inside of the air conditioner thoroughly If you don t clean the air filter at least every 2 weeks its performance may be reduced and noise may increase After cleaning the air conditioner press the Filter Reset button Before cleaning your air co...

Page 112: ...t surface Pipe expansion may continue until the pipe surface becomes uneven or torn apart Be sure to use a torque wrench to tighten pipes or flare nuts Leak Test Put an inert gas like nitrogen in the outdoor unit pipe and put soap bubbles or other test liquids on the pipe surface for the leak test Drain Hose Connecting Install the drain hose downward to drain water naturally Be sure to pour water ...

Page 113: ...he 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 2 Connect the charging hose of low pressure side of manifold gauge to the packed valve having a service port as shown at the figure 5 Set valve co...

Page 114: ...ocation of the air conditioner Refer to this procedure when the unit is relocated Carry out the pump down procedure refer to the details of pump down Remove the power cord Disconnect the assembly cable from the indoor and outdoor units Remove the flare nut connecting the indoor unit and the pipe At this time cover the pipe of the indoor unit and the other pipe using a cap or vinyl plug to avoid fo...

Page 115: ...14 10 Samsung Electronics MEMO ...

Page 116: ...al is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law Samsung Electronics Co Ltd Apr 2006 Printed in Thai Code No DB98 25890A 1 ...

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