Samsung FH070EAV Servise Manual

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Service manual (116 pages)

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Table of Contents

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Summary of Contents for Samsung FH070EAV

Page 1 SYSTEM AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT Basic : FH070EAV UH070EAV Model : FH070EAV1 UH070EAV1 FH052EAV1 UH052EAV1 Model Code : FH070EAV1 UH070EAV1 FH052EAV1 UH052EAV1 AIR CONDITIONER THE FEATURE OF PRODUCT Healthy air  Auto changeover  Long Lasting Outdoor Unit ...
Page 2: Table Of Contents
17. Wiring Diagram ..........................7-1 Indoor Unit ............................7-2 Outdoor Unit ............................ 18. Schematic Diagram ........................8-1 Indoor Unit ............................8-2 Outdoor Unit ............................ 19. Circuit Descriptions ........................9-1 PCB Circuit Descriptions ........................9-2 Refrigerating Cycle Diagram ......................Samsung Electronics...
Page 3 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 ......................... 14-6 Installation 14-7 ............................14-7 Installation Diagram of Indoor Unit and Outdoor Unit 14-8 ............Samsung Electronics...
Page 4: Precautions
Do not place a cloth or other materials over it. ● Remove the batteries if you don’t use the remote control for a long time. (If applicable) ● Use the remote control within 7 meters from the indoor unit. (If applicable) Samsung Electronics...
Page 5: Disposing Of The Unit
● Young children or infirm persons should be always supervised when they use the air conditioner. ● Max current is measured according to IEC standard for safety. ● Current is measured according to ISO standard for energy efficiency. Samsung Electronics...
Page 6: Product Specifications
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. Samsung Electronics...
Page 7: Product Specifications
INDOOR UNIT : DB27˚C WB19˚C Cooling Test Condition OUTDOOR UNIT : DB35˚C WB24˚C OUTDOOR UNIT : DB35˚C WB24˚C INDOOR UNIT : DB20˚C WB15˚C INDOOR UNIT : DB20˚C WB15˚C Heating Test Condition OUTDOOR UNIT : DB7˚C WB6˚C OUTDOOR UNIT : DB7˚C WB6˚C Samsung Electronics...
Page 8: The Comparative Specifications Of Product
2-3 The Comparative Specifications of Product Item FH070EAV1 FH070EAV(Basic) Indoor Unit Design Outdoor Unit Indoor Unit 22.0kg 22.0kg Net Weight Outdoor Unit 57.0kg 57.0kg Indoor Unit 1,000x200x650mm 1,000x200x650mm Outer Dimension (WidthxHeightxDepth) Outdoor Unit 880x798x310mm 880x798x310mm Indoor Unit 51dB↓ 51dB↓ Noise Outdoor Unit(C/H) 60dB↓...
Page 9: Accessory And Option Specifications
2-4 Accessory and Option Specifications Accessories Item Descriptions Code-No. Q'TY Remark User's Manual DB98-29263A Indoor unit Installation Manual DB98-29262A Nut flare DB60-30010A Nut flare DB60-30010C Nut flare DB60-30010D Outdoor Unit Installation Manual DB98-28806A Rubber Leg DB73-20134A Drain plug DB67-20011A Samsung Electronics...
Page 10 STS 2S-2x10 tapped screw 2S-4x12 tapped screw Concealed type Owner’s instructions DB98-05160A Installation manual DB98-05186A DB39-00223A Wire kit (MRW-10A) DB93-01066A Receiver & display unit (MRK-A00) M4x16 tapped screw Cable-tie Standard type User's manual DB98-05160A Installation manual DB98-05186A DB39-00223A Wire kit (MRW-10A) Samsung Electronics...
Page 11 Accessories(cont.) Wireless Remote Controller Accessories  Item Descriptions Code-No. Q'TY Remark DB93-00251G Wireless remote controller ( ARH-401 ) Battery DB47-90024A Remote control holder DB61-00204A STS 2S-2x10 tapped screw 6002-000581 User's manual DB98-05156A Installation manual DB98-05184A Samsung Electronics...
Page 12 Accessories(cont.) Wireless Remote Controller Accessories  Item Descriptions Code-No. Q'TY Remark DB93-04858C Wireless remote controller (MR-BH01) Battery DB47-90024A Remote control holder DB61-03147A STS 2S-2x10 tapped screw 6002-000581 User's manual DB98-27999A Installation manual DB98-27997A Samsung Electronics...
Page 13 Remark DB93-03934B Wired remote controller (MWR-WS00) Cable-tie DB65-10088B Cable clamp DB65-10074E M4x16 tapped screw 6002-000474 Indoor unit power drawing cable DB39-00221A Communication cable of the DB39-00933A wired remote controller Wire joint DB39-90020A User's manual DB98-25179A Installation manual DB98-25180A Samsung Electronics...
Page 14 Centralized Controller Accessories  Item Descriptions Code-No. Q'TY Remark DB93-03425C Centralized controller (MCM-A202) Cable-tie DB65-10088B Cable clamp DB65-10074E M4x16 tapped screw 6002-000474 User's manual DB98-12721A Installation manual DB98-25773A Samsung Electronics...
Page 15 Function controller (MCM-A100) Cable-tie DB65-10088B Cable clamp DB65-10074E M4x16 tapped screw 6002-000474 User's manual DB98-27317A Installation manual DB98-27315A Transmitter Accessories  Item Descriptions Code-No. Q'TY Remark DB97-00647P Transmitter (MIM-B04A) Transmitter power cable DB39-00378D Transmitter communication cable DB39-00253D 2-10 Samsung Electronics...
Page 16: Alignment And Adjustments
EEPROM error ◑ ◑ ◑ ◑ ◑ ◑ EEPROM option error ● : On, ◑ : Flickering, X : OFF ◆ If you turn off the air conditioner when the LED is flickering, the LED is also turned off. Samsung Electronics...
Page 17 Indoor eeprom error 1 Time Operation-off ○ ◎ ● • Check the indoor's option • Check the EEPROM data Indoor eeprom option error 1 Time Operation-off ○ ◎ ● • Check the indoor's option POWER ON RESET(1SEC) ● ● ● Samsung Electronics...
Page 18 • Check the outdoor fan operation normally • Check the refrigerant is filled • Check the connection status of compressor and IPM Over Current(O.C) if it operates normally 9 Times Operation-off ○ ○ ◎ • Check for any obstacles around indoor/outdoor units Samsung Electronics...
Page 19 • Check the indoor unit's option code • Check the capacity of indoor unit's and Capacity miss match 1 Time Operation-off ◎ ○ ○ outdoor unit's Test Operation at Cooling ○ ◎ ◎ Mode Test Operation at Heating ◎ ◎ ◎ Mode Samsung Electronics...
Page 20: Setting Option Setup Method
Push the button to set the display panel to ➡ ➡ Every time you push the button, the display panel reads ➡ ➡ . . . ➡ ➡ ➡ ➡ ➡ ➡ repeatedly. Samsung Electronics...
Page 21 If all lamps of indoor unit are flickering, Plug out, plug in power plug again and press ON/OFF key to retry. If the unit is not working properly or all lamps are continuously flickering after setting the option code, see if the correct option code is set up for its model. Samsung Electronics...
Page 22 I nput the second digit of option code by  pressing the High Temp button. example) 021E311422852A311439421F R esult)  I f 2 is displayed, go to the step 4  (whenever pressing the button, 1~9, A,B,C,D,E,F are lit in order.) Samsung Electronics...
Page 23 021E311422852A311439421F Result) If E displays, go to step 6. Step 6  Method) Input the fifth digit of option code by pressing the On Timer button. example) 021E311422852A311439421F Result) If 3 displays, go to step 7. SEG5 Samsung Electronics...
Page 24 2~7 steps, press the mode button repeatedly to make the first digit 0. Step 9  Method) Input the eighth digit by pressing the High Temp button. example) 021E311422852A311439421F Result) If 4 displays, go to step 10. Samsung Electronics...
Page 25 021E311422852A311439421F Result) If 2 displays, go to step 12. Step 12  Method) I nput the 11st digit by pressing the  On Timer button. example) 021E311422852A311439421F Result) If 8 displays, go to step 13. 3-10 Samsung Electronics...
Page 26 Option code will be input.(Check the option code correctly. At the time, if the same error continues to occur, the option code is out of input range. Check the option code again and repeat the step 1~14. Samsung Electronics 3-11...
Page 27 Low Temp button. example) 021E311422852A311439421F Result) If 3 displays, go to step 17.  Step 17 Method) Input the 16th digit by pressing the  High Fan button. example) 021E311422852A311439421F Result) If 1 displays, go to step 18. 3-12 Samsung Electronics...
Page 28 ② If the first number is 3 of the time, it is correct. so go to step 22. • If wanting to see previous screen, press the mode button repeatedly to make the first digit to with digit. Samsung Electronics 3-13...
Page 29 Low Temp button. example) 021E311422852A311439421F Result) If 4 displays, go to step 23. Step 23 Method) Input the 22th digit by pressing the  High Fan button. example) 021E311422852A311439421F Result) If 2 displays, go to step 24. 3-14 Samsung Electronics...
Page 30 Option code will be input.(Check the option code correctly. At the time, if the same error continues to occur, the option code is out of input range. Check the option code again and repeat the step 1~26. Samsung Electronics 3-15...
Page 31 Option code will be input.(Check the option code rear side correctly. At the time, if the same error continues to occur, the option code is out of input range. Check the option code again and repeat the step 1~26. 3-16 Samsung Electronics...
Page 32: Option Items
■ OPTION ITEMS MODEL SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 FH052EAV1 FH070EAV1 Samsung Electronics 3-17...
Page 33: Disassembly And Reassembly
Procedure Remark Electrical Part 1) Open the Grille by pressing 3 position. (center 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) Samsung Electronics...
Page 34 Disassembly and Reassembly Parts Procedure Remark 1) Detach the screw and untie earth & wire of Motor. Motor 2) Disconnect of housing of Motor Wire. 3) Disconnect the Capacitor Wire. Samsung Electronics...
Page 35 Disassembly and Reassembly 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. Samsung Electronics...
Page 36: Operating Instructions
9) Detach the Fan. 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...
Page 37 4) 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. Samsung Electronics...
Page 38 Parts Procedure 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. Samsung Electronics...
Page 39 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. Samsung Electronics...
Page 40 Disassembly and Reassembly 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. Samsung Electronics...
Page 41 Motor assembly and remove the 2 Screws Stepping Motor. 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. Samsung Electronics...
Page 42: Outdoor Unit
4-2 Outdoor Unit UH052EAV1 Parts Procedure Remark Common Work 1) Loosen 1 fixing screw of the Cover-Control and detach the Cover Control. (Use +Screw Driver.) 2) Loosen fixing screws and detach the Cabinet-Upper. (Use +Screw Driver.) Samsung Electronics 4-10...
Page 43 3) Loosen 1 screw fixed to assemble Control Box with Cabinet-Side RH. (Use +Screw Driver.) 4) Loosen 6 fixing screws and detach the Cabinet-Side RH. (Use +Screw Driver.) 5) Loosen 2 screws fixed on the Guide Condenser. 4-11 Samsung Electronics...
Page 44 Parts Procedure Remark 6) Loosen fixing screws of the Cabinet Front. (Use +Screw Driver.) Samsung Electronics 4-12...
Page 45 5) Loosen 2 fixing bolts and detach the Bracket Motor. (Use +Screw Driver.) 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. 4-13 Samsung Electronics...
Page 46 1) Loosen the fixing nut and detach the Compressor Lead Wire. (Use Monkey Spanner.) 2) Disassemble the Felt Compressor Sound. 3) Loosen the 3 bolts at the bottom of Compressor like the picture on the right side. (Use Monkey Spanner.) Samsung Electronics 4-14...
Page 47 UH070EAV1 Parts Procedure Remark Common Work 1) Loosen 1 fixing screw of the Cover-Control and detach the Cover Control. 2) Loosen each 7 fixing screws and detach the Cabinet Upper. 4-15 Samsung Electronics...
Page 48 Parts Procedure Remark 3) Loosen 1 screw fixed to assemble Control Box with Cabinet-Side RH. 4) Loosen fixing screws and detach the Cabinet-Side RH. 5) Loosen 2 screws fixed on the Guide Condenser. Samsung Electronics 4-16...
Page 49 Parts Procedure Remark 6) Loosen fixing screws of the Cabinet Front. 4-17 Samsung Electronics...
Page 50 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. Samsung Electronics 4-18...
Page 51 2) Loosen fixing screw on both sides. 3) Disassemble the pipes in both inlet and outlet with welding torch. 4) Detach the Heat Exchanger. 5) Loosen 4 bolts fixed to assemble Valve Service with Bracket Valve like the picture on the right side. 4-19 Samsung Electronics...
Page 52 Procedure Remark Compressor 1) Loosen the fixing nut and detach the Compressor Lead Wire. 2) Disassemble the Felt Compressor Sound. 3) Loosen the 3 bolts at the bottom of Compressor like the picture on the right side. Samsung Electronics 4-20...
Page 53: Exploded Views And Parts List
5. Exploded Views and Parts List 5-1 Indoor Unit 9 10 1112 45-7 45-6 45-3 45-4 45-5 45-2 45-8 45-1 Samsung Electronics...
Page 54 Exploded Views and Parts List ■ Parts List Q'TY Code No. Description Specification SA/SNA Remark FH052EAV FH070EAV DB64-00682A CABI BASE DB63-00601A COVER PIPE DB63-00602A COVER SIDE DB61-01149A PLATE HANGER LF SGCC-M DB61-01150A PLATE HANGER RH SGCC-M DB61-01155A BRACKET COVER PIPE...
Page 55 Exploded Views and Parts List ■ Parts List(cont.) Q'TY Code No. Description Specification SA/SNA Remark FH052EAV FH070EAV DB69-00617A CUSHION DRAIN A EPS(25FOAM-PS) DB69-00714A CUSHION DRAIN B EPS(25FOAM-PS) DB94-00062B ASS’Y DRAIN HOSE ASS’Y DB32-00163B THERMISTOR EVAP ASS’Y DB63-00605A COVER CONTROL DB93-04083A ASS’Y CONTROL IN...
Page 56 MEMO Samsung Electronics...
Page 57: Outdoor Unit
5-2 Outdoor Unit UH052EAV1 ■ 28-1 29-1 29-1 Samsung Electronics...
Page 58: Parts List
FELT-COMP SIDE FELT+PVC DB63-02024A FELT-COMP SIDE OUT FELT+PVC DB63-02025A FELT-COMP TOP FELT+PVC DB96-09374A ASS'Y-VALVE 4WAY ASS'Y 28-1 DB33-00002C SOLENOID-ASS'Y ASS'Y DB96-09092A ASS'Y-VALVE EEV ASS'Y 29-1 DB62-02863A VALVE-EXPANSION BODY ASS'Y 29-2 DB62-03964A VALVE EXPAN-COIL ASS'Y DB93-05838C ASS'Y CONTROL OUT ASS'Y Samsung Electronics...
Page 59 ■ UH070EAV1 15-2 15-1 15-3 15-4 15-6 15-8 15-11 15-9 15-5 15-7 15-10 12-1 13-1 Samsung Electronics...
Page 60 15-9 DB65-00181F TERMINAL BLOCK 15-10 DB95-01180A ASS'Y-TERMINAL BLOCK ASS'Y 15-11 DB93-06290A ASS'Y PCB SUB-DISPLAY ASS'Y 15-12 DB61-01097A HOLDER WIRE CLAMP DB27-00043A REACTOR 20A, 50Hz DB32-00175B THERMISTOR COND 103AT,204CTB DB32-00176C THERMISTOR WIRE OUT/DISCHARGE 103AT,204CTB DB90-03652A ASS'Y COVER CONTROL ASS'Y Samsung Electronics...
Page 61: Electrical Parts List
IC-CMOS LOGIC 74HC86,OR GATE,SOP,14P,150MIL,QUAD,ST,-,2.0/ 6.0V,0.26V,-40to+85C,180mW,4.2V,1uA, IC18 1006-001371 IC-LINE TRANSCEIVER ISL3175EIBZ,SOIC,8P,6.2x5.0x1.75,1,REEL,PLASTIC,3.3V,-40 to 85,0.5W,1,1,0.3/7V,- IC19 1006-001371 IC-LINE TRANSCEIVER ISL3175EIBZ,SOIC,8P,6.2x5.0x1.75,1,REEL,PLASTIC,3.3V,-40 to 85,0.5W,1,1,0.3/7V,- IC51 1103-001175 IC-EEPROM 93LC56,128x16,SOP,8P,5x4mm,2.5/6.0V,-40to+85C IC01 1203-000243 IC-POSI.FIXED REG. 7812,TO-220,3P,-,PLASTIC,11.5/12.5V,16W,0TO+125C,1A,- ,ST,- IC02 1203-000274 IC-POSI.FIXED REG. 7805,TO-220,3P,-,PLASTIC,4.8/5 IC03 1203-003334 IC-RESET S-801,SOT-23,5P,2.9x1.6mm,PLASTIC,3.716/ 4.284V,256mW,-,2.5mA,-,TP Samsung Electronics...
Page 62 R440 2007-001071 R-CHIP 6.8Kohm,5%,1/8W,TP,2012 C302 2203-000189 C-CER,CHIP 100nF,+80-20%,25V,Y5V,1608 C303 2203-000189 C-CER,CHIP 100nF,+80-20%,25V,Y5V,1608 C312 2203-000189 C-CER,CHIP 100nF,+80-20%,25V,Y5V,1608 C313 2203-000189 C-CER,CHIP 100nF,+80-20%,25V,Y5V,1608 0C316 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,2012 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,2012 C102 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,2012 C104 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,2012 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,2012 Samsung Electronics...
Page 63 CN83 3711-000796 HEADER-BOARD TO CABLE BOX,2P,1R,2.5MM,STRAIGHT,SN,RED CN11 3711-000880 HEADER-BOARD TO CABLE BOX,3P,1R,2.5MM,STRAIGHT,SN,RED CN81 3711-000939 HEADER-BOARD TO CABLE BOX,4P,1R,2.5mm,STRAIGHT,SN,RED CN41 3711-000940 HEADER-BOARD TO CABLE BOX,4P,1R,2.5mm,STRAIGHT,SN,WHT CN61 3711-001036 HEADER-BOARD TO CABLE BOX,6P,1R,2.5mm,STRAIGHT,SN,BLU CN71 3711-003404 HEADER-BOARD TO CABLE 1WALL,2P,1R,7.92mm,STRAIGHT,SN,BLU Samsung Electronics Samsung Electronics...
Page 64 -,A6063,25,15,15,-,-,SSEC LABEL DB68-02809A LABEL BAR CODE -,-,-,-,W170,L115,-,-,-,FOR PACKING CASE IC04 DB91-00642B ASSY-MIC 08 Galaxy1 PJT -EH035EAV1,TH026EAV1 10 micom,STM- 0822-BS, MB90F823, ROM 128K bytes IC04 DB09-00338A IC MICOM MB90F823,-,80 P,5 V,24 MHz,Flash Memory,- ,24,16,QFP,QFP,14 * 20 mm,16,-40 ~ 85 Samsung Electronics...
Page 65 100ohm,5%,1/10W,TP,1608 R-CHIP 2007-000074 R404 100ohm,5%,1/10W,TP,1608 R-CHIP 2007-000074 R405 100ohm,5%,1/10W,TP,1608 R-CHIP 2007-000074 R406 100ohm,5%,1/10W,TP,1608 R-CHIP 2007-000076 R504 330ohm,5%,1/10W,TP,1608 R-CHIP 2007-000076 R505 330ohm,5%,1/10W,TP,1608 R-CHIP 2007-000076 R506 330ohm,5%,1/10W,TP,1608 R-CHIP 2007-000076 R507 330ohm,5%,1/10W,TP,1608 R-CHIP 2007-000076 R553 330ohm,5%,1/10W,TP,1608 R-CHIP 2007-000076 R606 330ohm,5%,1/10W,TP,1608 R-CHIP Samsung Electronics...
Page 66 27Kohm,5%,1/4W,TP,3216 R-CHIP 2007-000656 R308 27Kohm,5%,1/4W,TP,3216 R-CHIP 2007-000656 R311 27Kohm,5%,1/4W,TP,3216 R-CHIP 2007-000656 R312 27Kohm,5%,1/4W,TP,3216 R-CHIP 2007-000924 R112 470Kohm,1%,1/4W,TP,3216 R-CHIP 2007-000924 R113 470Kohm,1%,1/4W,TP,3216 R-CHIP 2007-000924 R114 470Kohm,1%,1/4W,TP,3216 R-CHIP 2007-000929 R412 470ohm,1%,1/10W,TP,1608 R-CHIP 2007-000950 R806 47ohm,5%,1/4W,TP,3216 R-CHIP 2007-000965 R511 5.1Kohm,5%,1/10W,TP,1608 R-CHIP Samsung Electronics...
Page 67 33pF,5%,50V,NPO,BK,1608,- C-CER,CHIP 2203-002002 C318 33pF,5%,50V,NPO,BK,1608,- C-CER,CHIP 2203-002002 C319 33pF,5%,50V,NPO,BK,1608,- C-CER,CHIP 2203-002002 C320 33pF,5%,50V,NPO,BK,1608,- C-CER,CHIP 2203-002002 C321 33pF,5%,50V,NPO,BK,1608,- C-CER,CHIP 2203-002398 C419 22nF,10%,50V,X7R,1608 C-CER,CHIP 2203-002398 C420 22nF,10%,50V,X7R,1608 C-CER,CHIP 2203-005249 C109 100nF,10%,50V,X7R,1608 C-CER,CHIP 2203-005249 C112 100nF,10%,50V,X7R,1608 C-CER,CHIP 2203-005249 C116 100nF,10%,50V,X7R,1608 C-CER,CHIP Samsung Electronics...
Page 68 10uF,20%,50V,GP,TP,5x11,5 C-AL 2401-000832 C110 220uF,20%,25V,GP,TP,8x11.5,5 C-AL 2401-000832 C805 220uF,20%,25V,GP,TP,8x11.5,5 C-AL 2401-001552 C107 47uF,20%,35V,GP,TP,6.3x11,2.5 C-AL 2401-002274 C114 220uF,20%,35V,WT,TP,10x12.5,5 C-AL 2401-002274 C119 220uF,20%,35V,WT,TP,10x12.5,5 C-AL 2401-002274 C421 220uF,20%,35V,WT,TP,10x12.5,5 C-AL 2401-002300 C118 47?F,20%,50V,GP,TP,6.3x11,5mm C-AL 2401-002300 C401 47?F,20%,50V,GP,TP,6.3x11,5mm C-AL 2401-002300 C402 47?F,20%,50V,GP,TP,6.3x11,5mm C-AL Samsung Electronics...
Page 69 DB95-00954A MH080EAV2A,MITSUBISHI IPM ASSY-IPM DB98-16591A D101 ASSY-DIODE RECTIFIER DB98-16600A LED2 ASSY-LED GREEN DB98-16601A LED1 ASSY-LED RED DB98-16602A LED3 ASSY-LED YEL DB98-22298A CN51 INVERTER,SMAW250A-O4 RED ASSY-HOOK RED DB98-22299A CN50 inverter,SMAW250A-04 WHT ASSY-HOOK WHT DB98-24921A CN30 UH035EAV,SMAW250A-06 WHT ASSY-HOOK WHT Samsung Electronics...
Page 70 100ohm,5%,1/10W,TP,1608 R402 2007-000074 R-CHIP 100ohm,5%,1/10W,TP,1608 R403 2007-000074 R-CHIP 100ohm,5%,1/10W,TP,1608 R404 2007-000074 R-CHIP 100ohm,5%,1/10W,TP,1608 R405 2007-000074 R-CHIP 100ohm,5%,1/10W,TP,1608 R406 2007-000074 R-CHIP 100ohm,5%,1/10W,TP,1608 R504 2007-000076 R-CHIP 330ohm,5%,1/10W,TP,1608 R505 2007-000076 R-CHIP 330ohm,5%,1/10W,TP,1608 R506 2007-000076 R-CHIP 330ohm,5%,1/10W,TP,1608 R507 2007-000076 R-CHIP 330ohm,5%,1/10W,TP,1608 Samsung Electronics 6-10...
Page 71 24Kohm,1%,1/10W,TP,1608 R514 2007-000614 R-CHIP 24Kohm,1%,1/10W,TP,1608 R307 2007-000656 R-CHIP 27Kohm,5%,1/4W,TP,3216 R308 2007-000656 R-CHIP 27Kohm,5%,1/4W,TP,3216 R311 2007-000656 R-CHIP 27Kohm,5%,1/4W,TP,3216 R312 2007-000656 R-CHIP 27Kohm,5%,1/4W,TP,3216 R112 2007-000924 R-CHIP 470Kohm,1%,1/4W,TP,3216 R113 2007-000924 R-CHIP 470Kohm,1%,1/4W,TP,3216 R114 2007-000924 R-CHIP 470Kohm,1%,1/4W,TP,3216 R412 2007-000929 R-CHIP 470ohm,1%,1/10W,TP,1608 6-11 Samsung Electronics...
Page 72 1nF,10%,50V,X7R,1608 C108 2203-001414 C-CER,CHIP 330nF,10%,50V,X7R,2012 C3011 2203-002002 C-CER,CHIP 33pF,5%,50V,NPO,BK,1608,- C318 2203-002002 C-CER,CHIP 33pF,5%,50V,NPO,BK,1608,- C319 2203-002002 C-CER,CHIP 33pF,5%,50V,NPO,BK,1608,- C320 2203-002002 C-CER,CHIP 33pF,5%,50V,NPO,BK,1608,- C321 2203-002002 C-CER,CHIP 33pF,5%,50V,NPO,BK,1608,- C419 2203-002398 C-CER,CHIP 22nF,10%,50V,X7R,1608 C420 2203-002398 C-CER,CHIP 22nF,10%,50V,X7R,1608 C109 2203-005249 C-CER,CHIP 100nF,10%,50V,X7R,1608 Samsung Electronics 6-12...
Page 73 10uF,20%,50V,GP,TP,5x11,5 C577 2401-000480 C-AL 10uF,20%,50V,GP,TP,5x11,5 C906 2401-000480 C-AL 10uF,20%,50V,GP,TP,5x11,5 C110 2401-000832 C-AL 220uF,20%,25V,GP,TP,8x11.5,5 C805 2401-000832 C-AL 220uF,20%,25V,GP,TP,8x11.5,5 C107 2401-001552 C-AL 47uF,20%,35V,GP,TP,6.3x11,2.5 C114 2401-002274 C-AL 220uF,20%,35V,WT,TP,10x12.5,5 C119 2401-002274 C-AL 220uF,20%,35V,WT,TP,10x12.5,5 C421 2401-002274 C-AL 220uF,20%,35V,WT,TP,10x12.5,5 C118 2401-002300 C-AL 47?F,20%,50V,GP,TP,6.3x11,5mm 6-13 Samsung Electronics...
Page 74 ASSY-IPM MH080EAV2A,MITSUBISHI IPM D101 DB98-16591A ASSY-DIODE RECTIFIER LED2 DB98-16600A ASSY-LED GREEN LED1 DB98-16601A ASSY-LED RED LED3 DB98-16602A ASSY-LED YEL CN51 DB98-22298A ASSY-HOOK RED INVERTER,SMAW250A-O4 RED CN50 DB98-22299A ASSY-HOOK WHT inverter,SMAW250A-04 WHT CN30 DB98-24921A ASSY-HOOK WHT UH035EAV,SMAW250A-06 WHT Samsung Electronics 6-14...
Page 75 WIRE-NO SHEATH CU TCWA,300V,52mm(TAPING),1/0.6mm 3812-001283 WIRE-NO SHEATH CU TCWA,300V,52mm(TAPING),1/0.6mm 3812-001283 WIRE-NO SHEATH CU TCWA,300V,52mm(TAPING),1/0.6mm DIS1 DB07-00054A LED DISPLAY SSD-A3202GS-A13,LED DISPLAY,2 DIGIT DIS2 DB07-00054A LED DISPLAY SSD-A3202GS-A13,LED DISPLAY,2 DIGIT,16 SEGMENT PCB BOARD DB41-00671A PCB SUB-DISPLAY GALAXY 2 PJT,FR-1,1,V1.0,T1.6 6-15 Samsung Electronics...
Page 76 3712-001139 CONNECTOR-TERMINAL TAB,MALE,-,6.35X0.8MM 4715-001093 SURGE ABSORBER 3600V,20%,2000A,-,AXIAL FT00 DB27-00040A COIL CHOKE SSC3120030B,AQV24JAKCV,3.0mH,10%,-,200m OHM FT01 DB27-00040A COIL CHOKE SSC3120030B,AQV24JAKCV,3.0mH,10%,-,200m OHM DB39-00514F CBF LEAD WIRE-EARTH KFR-35(25)GW/GPI,-,200,-,-,-,GRN/YEL PCB BOARD DB41-00531A PCB SUB FORTE,CEM-3,2,1.0,1.6T,160*140,-,3,-,- DB93-04908F ASSY CONNECTOR WIRE-POWER UH070EAV1,SSEC,ST730620-3, SIN-21T- 1.8S,UL1015#14,140÷5 Samsung Electronics 6-16...
Page 77 MEMO 6-17 Samsung Electronics...
Page 78: Wiring Diagram
7. Wiring Diagram 7-1 Indoor Unit This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 79: Outdoor Unit
7-2 Outdoor Unit ■ UH052EAV This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 80 Wiring Diagram ■ UH070EAV This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 81: Schematic Diagram
8. Schematic Diagram 8-1 Indoor Unit This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 82: Outdoor Unit
8-2 Outdoor Unit 8-2-2 UH052EAV1/UH060EAV1 ■ Main This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 83 Schematic Diagram ■ EMI This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 84: Circuit Descriptions
- Eva. In Temperature External Control Indoor Rouver Stepping Motor Wired Remote Controller Power(12V) Display Part 485 Communication Part(F1/F2) Option & Address Set S/W 485 Communication Part(F3/F4) Micom download Float switch This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 85 9-2 Outdoor Unit ■ MAIN PCB SMPS RELAY 드라이버 MICOM 센서부 485 통신부 EEV 드라이버 EMI 필터 3상 AC 입력 점검회로 LED와 KEY SCAN This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 86 ■ EMI PCB �� This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 87: Refrigerating Cycle Diagram
9-2 Refrigerating Cycle Diagram Indoor Unit Outdoor Unit 2-Way Service valve Liquid side Expansion Valve Heat Heat Exchanger Exchanger (Evaporator) (Condenser) Blower Gas side 4-Way valve 3-Way Service valve Cooling Heating Compressor Gas Leak Check Point Samsung Electronics...
Page 88: Pcb Diagram
SUB-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) Samsung Electronics 10-1...
Page 89: Outdoor Pcb
#6 : FAN FG ④ ⑤ ⑥ CN30(6P/WHT)-EEV CN20(4P/WHT)-DISPLAY CN21(10P/WHT)-DISPLAY #1~4 : RECEIVE SIGNAL FROM THE MAIN #1~7 : 7-SEGMENT SIGNAL #8~10 : RECEIVE KEY OPERATION SIGNALS FROM THE MAIN ⑦ ⑧ CN01(2PIN/BLU)-12V REACTOR1,2(TAB)-REACTOR #1 : 12V #2 : GND 10-2 Samsung Electronics...
Page 90 PCB Diagram ■ EMI ① ② L(TAB)-POWER N(TAB)-POWER AC(L) AC(N) Samsung Electronics 10-3...
Page 91 MEMO Samsung Electronics 10-4...
Page 92: Name Of Each Part
The design and shape are subject to change according to the model. 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 Samsung Electronics 11-1...
Page 93 Operating Instructions 11-1-2 Outdoor Unit ■ UH052EAV1 Air Inlet(Rear) Air Outlet Connection Valve ■ UH070EAV1 Air Inlet(Rear) Air Outlet Connection Valve 11-2 Samsung Electronics...
Page 94: Troubleshooting
The compressor operates in a reverse cycle to remove Indoor fan and outdoor fan stop operation intermittently exterior ice in a HEAT mode, and indoor fan and outdoor in a HEAT mode. fan do not operate intermittently for within 20% of the total heater operation Samsung Electronics 12-1...
Page 95: Fault Diagnosis By Symptom
Replace fuse 20[A]/250[V]:✳✳052✳✳✳ 30[A]/250[V]:✳✳070✳✳✳ Check the input/output voltage of SMPS on the INV PCB. PCB should be replaced DC_Link voltage(C101):DC300[V] IC16, IC19 Input:DC12[V] output: DC5[V] ◆ Check the setting temperature 12-2 Samsung Electronics...
Page 96 Connect the reactor wire. Is the +, - of C102 Short? Separate the PCB from the case. Is there any incorrect insertion or no insertion of the PCB parts? Replace the PCB Replace the PCB. Normal Operation Exit Samsung Electronics 12-3...
Page 97 Pull out the power cord and exchange the PCB from the case after 30 seconds. Is the assembly of Micom and Exchange the PCB. peripheral circuit part good? Check again after assembly of PCB. 12-4 Samsung Electronics...
Page 98 4-WAY valve coil error of 4-WAY valve coil. Dose the voltage of AC 220V Exchange apply to the connector of 4-WAY the outdoor PCB. valve coil during the operation? Go to the next page 4-WAY valve main body error Samsung Electronics 12-5...
Page 99 Connect the connector. correctly? Check the resistance value Outdoor fan error of outdoor fan. Dose the voltage of DC300V apply to the connector of outdoor Check the motor wire. fan during the operation of outdoor unit? Outdoor PCB error 12-6 Samsung Electronics...
Page 100: Outdoor Temperature Sensor Error
Exchange the sensor. (Refer to the R/T TABLE) Is the resistance value of sensor connection pull_up 18K? Exchange the PCB. Exchange the PCB. Normal operation Exit 400.0 350.0 300.0 250.0 200.0 150.0 100.0 50.0 Samsung Electronics 12-7...
Page 101 Exchange the sensor. (Refer to the R/T TABLE) Is the resistance value of sensor connection pull_up 24K? Exchange the PCB. Exchange the PCB. Normal operation Exit 600.0 500.0 400.0 300.0 200.0 100.0 12-8 Samsung Electronics...
Page 102 4) Is the resistance value of sensor connection pull_up correct? 2. Troubleshooting procedure Remove the Fan lock. Isn't the Fan locked? Is the connector connected correctly? Connect the connector. Is the color of Fan wire matched correctly? Exchange the Fan. Exchange the PCB. Normal operation Exit 12-10 Samsung Electronics...
Page 103 Exchange the sensor. (Refer to the R/T TABLE) Is the resistance value of sensor connection pull_up 18.2K? Exchange the PCB. Exchange the PCB. Normal operation Exit 400.0 350.0 300.0 250.0 200.0 150.0 100.0 50.0 Samsung Electronics 12-9...
Page 104 Is the capacitor(C101, C102, C103) Connect the connector. for DC-Link assembled in accordance the specification? Are R113, R114, R115 470kohm? Exchange the PCB. Is R116 14.3kohm? Exchange the Fan. Exchange the PCB. Normal operation Exit Samsung Electronics 12-11...
Page 105 Is the position of temperature sensor Correct the sensor position or and the sensing value normal? exchange the sensor. Is the connection cable for Correct the cable connection. the compressor and power terminal normal? Exchange the PCB. 12-12 Samsung Electronics...
Page 106: Communication Error
Correct the wrong wiring. communication cable wiring error? Is the connection of Correct the connection of communication cable normal? communication cable. Is it the outdoor Exchange the indoor/outdoor unit PCB. 2 Micom(Inverter + Main) model? Exchange the outdoor unit PCB. Samsung Electronics 12-13...
Page 107 Exchange the compressor. compressor (u↔v, v↔w, w↔u) normal? Is the compressor body and Exchange the compressor. interphase resistance insulated? Is the connection cable for the Correct the cable connection. compressor and power terminal normal? Exchange the PCB. 12-14 Samsung Electronics...
Page 108 Exchange the compressor. compressor (u↔v, v↔w, w↔u) normal? Is the compressor body and Exchange the compressor. interphase resistance insulated? Is the connection cable for the Correct the cable connection. compressor and power terminal normal? Exchange the PCB. Samsung Electronics 12-15...
Page 109 Is the resistance for the Exchange the PCB. detection of DC Link voltage normal? Is the resistance value of Exchange the PCB. DC Link discharge normal? Is the reactor insulation damaged? Exchange the PCB. Exchange the reactor. 12-16 Samsung Electronics...
Page 110 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. Samsung Electronics 12-17...
Page 111: Pcb Inspection Method
Switching Trans or Power Circuit is faulty C104 on the 2 side of the transformer DC12V ±0.5V? 3) Is the voltage between both terminals of OUT • Power Circuit is faulty, Load Short and GND of IC19(KA7805) DC5V ±0.5V? 12-18 Samsung Electronics...
Page 112 1) Is it connected red, blue, and yellow in order in • Wrong assembly counter clockwise. • Installation condition is bad. 2) Are the valve and its installation condition good? 3) Is the installation condition of outdoor unit? Samsung Electronics 12-19...
Page 113: Main Part Inspection Method
∞, 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 12-20 Samsung Electronics...
Page 114: Block Diagram
Indoor FAN(TAP Control) Address, Option Setting Switch Display External Control Signal MAIN PCB / External Status Output Indoor Louver Control 485 Communication Sensor(Room, Eva.-In Temp.) Floating Switch Comm. Between Wired Remocon Wired Remocon units 12V Power Micom Program Download Samsung Electronics 13-1...
Page 115: Outdoor Unit
• LED CONTROL SIGNAL • AC FAN CONTROL SIGNAL • EEV CONTROL SIGNAL • 4-WAY VALVE • 4-WAY CONTROL SIGNAL • EEV • LED CONTROL SIGNAL • INDOOR COMMUNICATION SIGNAL INDOOR UNIT SMPS AC INPUT PFC CIRCUIT 13-2 Samsung Electronics...
Page 116 Block Diagram ■ UH052EAV1 OUTDOOR FAN IGBT DIODE DC_LINK CAP SMPS Samsung Electronics 13-3...
Page 117 Block Diagram ■ UH070EAV1 OUTDOOR FAN IGBT DIODE DC_LINK CAP SMPS 13-4 Samsung Electronics...
Page 118: Reference Sheet
Product classification Compressor/ Refrigerant specification 115V/60Hz Function 220V/60Hz Normal Cooling Only 208~230V/60Hz Tropical Heat pump 200~220V/50Hz R410 Heater 220~240V/50Hz Inverter(R22) 220V/60Hz/3 phase Inverter(R410) Capacity(Btu) 380V/50Hz/3 phase When marking the indoor/ outdoor units separately None Indoor Unit Outdoor Unit Samsung Electronics 14-1...
Page 119: Pressure Graph
0.001341 0.10197 0.73756 4.1868 14.286 0.0056146 0.42693 3.088 1.163 0.27778 3.9683 0.0015596 0.11859 0.85778 0.29307 0.06999 0.252 3.9302x10 0.029885 0.21616 745.7 178.11 641.19 2,544.4 76.04 9.8067 2.3423 8.4322 33.462 0.013151 7.233 1.3558 0.32383 1.1658 4.6262 0.0018182 0.13826 14-2 Samsung Electronics...
Page 120: Q & A For Non-Trouble
It occurs when the drain pump is plugged out or it is out of order. Check the power of the drain pump and the position of the drain hose, and when the pump is faulty, contact the drain pump manufacturer. Samsung Electronics do not manufacture drain pumps.
Page 121 Also, the remote controller may not work under intensive light from a 3-wave length lamp or a neon sign due to the EMI. In this case, take the remote controller closer to the receiver. 14-4 Samsung Electronics...
Page 122 There is a cost table. But, our service engineer needs to visit to total up the cost correctly. When you move in, make sure to contact Samsung Electronics Service Center or Authorized Service Agent in advance to streamline the process.
Page 123: Cleaning/Filter Change
• 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. Wireless Remote Controller Wired Remote Controller 14-6 Samsung Electronics...
Page 124: Installation
Electric and earth work shall meet the "Electric Facility Technology Standard" and the "Internal Wire Regulation" of the Electric Business Laws. ■ Inspection & Trial Run Upon completion of the tests, you shall make a trial run while you explain the main functions of the air conditioner to finish the installation. Samsung Electronics 14-7...
Page 125: Installation Diagram Of Indoor Unit And Outdoor Unit
183kgf•cm with a torque wrench. (gas) (liquid) 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. 14-8 Samsung Electronics...
Page 126 • Make sure you do not bend the connection pipes in the middle and store together with the cables. • Move the indoor and outdoor units to a new location. • Remove the mounting plate for the indoor unit and move it to a new location. Samsung Electronics 14-9...
Page 127 MEMO 14-10 Samsung Electronics...
Page 128 Mideast & Africa http://mea.samsungportal.com © Samsung Electronics Co., Ltd. Feb. 2008. This Service Manual is a property of Samsung Electronics Co., Ltd. Printed in China. Any unauthorized use of Manual can be punished under applicable International and/or domestic law.

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Samsung FH070EAV Servise Manual

Precautions

Product Specifications

Alignment and Adjustments

Disassembly and Reassembly

Exploded Views and Parts List

Electrical Parts List

Wiring Diagram

Schematic Diagram

Circuit Descriptions

PCB Diagram

Troubleshooting

Block Diagram

Reference Sheet

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