Page 1 Model Code : FH052EAV UH052EAV Model Code : FH070EAV UH070EAV AIR CONDITIONER THE FEATURE OF PRODUCT Healthy Air ■ Auto Changeover ■ Long Lasting Outdoor Unit ■ Free Installation ■ FH052EAV/FH070EAV UH052EAV UH070EAV For more information, Please access to our service web site(http://itself.sec.samsung.co.kr)
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
2-2 Product Specifications Model FH052EAV FH070EAV Indoor unit Outdoor unit Indoor unit Outdoor unit Item Type Ceiling Ceiling Cooling(Min/Std/Max) 1,700/5,000/6,000 2,000/7,100/8,000 Heating(Min/Std/Max) 1,500/6,000/9,000 2,000/8,000/10,500 ℓ Dehumidifying Cooling 13.6/12.5/11.4 14.0/13.5/12.3 m³/min Air Volume (H/M/L) Heating 14.5/13.2/11.7 16.0/15.2/12.5 Performance Cooling Noise Heating Cooling 3.23...
Page 8: The Comparative Specifications Of Product
2-3 The Comparative Specifications of Product Item FH070EAV FH24BTA(Basic) Indoor Unit Design Outdoor Unit Indoor Unit 22.0kg 22.0kg Net Weight Outdoor Unit 57.0kg 62.0kg Indoor Unit 1,000x200x650mm 1,000x200x650mm Outer Dimension (WidthxHeightxDepth) Outdoor Unit 880x798x310mm 880x648x310mm Indoor Unit 51dB↓ 48dB↓ Noise Outdoor Unit(C/H) 60dB↓...
Page 9: Accessory And Option Specifications
Remark Remote Controller Holder DB61-00204A Remote Control DB93-00251G Indoor Batteries for Remote Control DB47-90024A Unit User’s Manual DB98-23954A Installation Manual DB98-23980A Nut Flare DB60-30010A Nut Flare(✳✳052✳✳) DB60-30010C Outdoor Nut Flare(✳✳070✳✳) DB60-30010D Unit Rubber Leg DB73-20134A Drain Plug DB67-20011A Samsung Electronics...
Page 10: 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 11: Outdoor Led Error Display And Check Method
● Power ON reset(1sec) ◎ ○ ○ Capacity miss match ○ ◎ ◎ Test Operation at Cooling Mode ◎ ◎ ◎ Test Operation at Heating Mode ● : LED ON, ○ : LED OFF, ◎ : LED BLINK Samsung Electronics...
Page 12: 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 13 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 14: Option Items
Alignment and Adjustments ■ OPTION ITEMS REMOCON SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 MODEL FH052EAV FH070EAV Samsung Electronics...
Page 15: 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 16 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 17 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 18 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 19 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 20 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 21 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 22 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 23 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 24: Outdoor Unit
1) Loosen 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. Samsung Electronics 4-10...
Page 25 Disassembly and Reassembly Parts Procedure Remark 5) Loosen 2 screws fixed on the Guide Condenser. 6) Loosen fixing screws of the Cabinet Front. 4-11 Samsung Electronics...
Page 26 5) Loosen 2 fixing screws and detach the Bracket Motor. 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. Samsung Electronics 4-12...
Page 27 4) Detach the Heat Exchanger. 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. 4-13 Samsung Electronics...
Page 28 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. Samsung Electronics 4-14...
Page 29 Disassembly and Reassembly Parts Procedure Remark 5) Loosen 2 screws fixed on the Guide Condenser. 6) Loosen fixing screws of the Cabinet Front. 4-15 Samsung Electronics...
Page 30 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 4-16...
Page 31 3) Pull up the Ass’y Control Out. 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. 4-17 Samsung Electronics...
Page 32 Procedure Remark 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. Samsung Electronics 4-18...
Page 33: 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 34 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 35 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 36 MEMO Samsung Electronics...
Page 37: Outdoor Unit
5-2 Outdoor Unit ■ UH052EAV 18-1 15-3 15-4 15-2 15-1 16-1 Samsung Electronics...
Page 38 DB63-10165D COVER-TERMINAL DB99-00711A ASS’Y-4WAY V/V ASS’Y 16-1 DB62-02285A VALVE SERVICE 1/2’’ DB99-00708A ASS’Y VALVE EEV ASS’Y DB93-03665D ASS’Y CONTROL-OUT ASS’Y 18-1 DB81-00534A REACTOR 5mH,20A DB63-01223B CLOTH-COMP SOUND FELT+EVAR DB61-00821M GUARD-SCREEN P.E.H DB32-00081D SENSOR TEMP-COND ASS’Y DB32-00083G THERMISTOR-OUT/DISCHARGE ASS’Y Samsung Electronics...
Page 39 Exploded Views and Parts List ■ UH070EAV 18-1 15-3 15-4 15-2 15-1 16-1 Samsung Electronics...
Page 40 COVER-TERMINAL DB99-00710B ASS’Y-4WAY V/V ASS’Y 16-1 DB62-02342A VALVE SERVICE 5/8’’ DB99-00709A ASS’Y VALVE EEV ASS’Y DB93-03665E ASS’Y CONTROL OUT ASS’Y 18-1 DB81-00534A REACTOR 5mH,20A DB63-01223B CLOTH-COMP SOUND FELT+EVAR DB61-00821A GUARD-SCREEN P.E.H DB32-00081D SENSOR TEMP-COND ASS’Y DB32-00083J THERMISTOR-OUT/DISCHARGE ASS’Y Samsung Electronics...
Page 41: Electrical Parts List
C-CER,CHIP 100nF,+80-20%,50V,Y5V,2012 C441 2203-001562 C-CER,CHIP 10nF,+80-20%,50V,Y5V,2012 C504 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,2012 C505 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,2012 C506 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,2012 C601 2401-001573 C-AL 47uF,20%,50V,GP,TP,6.3x11,2.5 C801 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,2012 C802 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,2012 C806 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,2012 C807 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,2012 Samsung Electronics...
Page 42 DIODE-RECTIFIER 1N4007,1kV,1A,DO-41,TP D900 0401-000133 DIODE-SWITCHING RLS4148,75V,150mA,LL-34,TP D901 0401-000133 DIODE-SWITCHING RLS4148,75V,150mA,LL-34,TP D902 0401-000133 DIODE-SWITCHING RLS4148,75V,150mA,LL-34,TP D903 0401-000133 DIODE-SWITCHING RLS4148,75V,150mA,LL-34,TP D904 0401-000133 DIODE-SWITCHING RLS4148,75V,150mA,LL-34,TP D905 0401-000133 DIODE-SWITCHING RLS4148,75V,150mA,LL-34,TP D906 0401-000133 DIODE-SWITCHING RLS4148,75V,150mA,LL-34,TP D907 0401-000133 DIODE-SWITCHING RLS4148,75V,150mA,LL-34,TP D908 0401-000133 DIODE-SWITCHING RLS4148,75V,150mA,LL-34,TP Samsung Electronics...
Page 43 MB90F823,-,80 P,5 V,24 MHz,STM-0519-CS, 24,16,QFP,QFP,14x20 mm,16,-40~85 IC05 0506-000175 TR-ARRAY 2003,NPN,7,1W,SOP-16,ST,1000 IC06 0506-000175 TR-ARRAY 2003,NPN,7,1W,SOP-16,ST,1000 IC07 0506-000175 TR-ARRAY 2003,NPN,7,1W,SOP-16,ST,1000 IC08 0506-000175 TR-ARRAY 2003,NPN,7,1W,SOP-16,ST,1000 IC09 0506-000175 TR-ARRAY 2003,NPN,7,1W,SOP-16,ST,1000 IC18 1006-001325 IC-BUS TRANSCEIVER 1487,SO,8P,4.9x3.8 mm,SINGLE,ST,PLASTIC, 5V,-40to+85CC,520mW,1,1,1.5/5.25V,- IC19 1006-001325 IC-BUS TRANSCEIVER 1487,SO,8P,4.9x3.8 mm,SINGLE,ST,PLASTIC, 5V,-40to+85CC,520mW,1,1,1.5/5.25V,- Samsung Electronics...
Page 44 R-CHIP 1Kohm,5%,1/8W,TP,2012 R302 2007-000300 R-CHIP 10Kohm,5%,1/8W,TP,2012 R303 2007-000300 R-CHIP 10Kohm,5%,1/8W,TP,2012 R304 2007-000300 R-CHIP 10Kohm,5%,1/8W,TP,2012 R305 2007-000300 R-CHIP 10Kohm,5%,1/8W,TP,2012 R306 2007-000300 R-CHIP 10Kohm,5%,1/8W,TP,2012 R307 2007-000300 R-CHIP 10Kohm,5%,1/8W,TP,2012 R312 2007-000300 R-CHIP 10Kohm,5%,1/8W,TP,2012 R313 2007-000300 R-CHIP 10Kohm,5%,1/8W,TP,2012 R350 2007-000468 R-CHIP 1Kohm,5%,1/8W,TP,2012 Samsung Electronics...
Page 45 R-CHIP 4.7Kohm,5%,1/8W,TP,2012 R803 2007-000300 R-CHIP 10Kohm,5%,1/8W,TP,2012 R804 2007-000300 R-CHIP 10Kohm,5%,1/8W,TP,2012 R805 2007-000477 R-CHIP 1Mohm,5%,1/8W,TP,2012 R901 2007-000766 R-CHIP 330ohm,5%,1/8W,TP,2012 R902 2007-000468 R-CHIP 1Kohm,5%,1/8W,TP,2012 R903 2007-000300 R-CHIP 10Kohm,5%,1/8W,TP,2012 R911 2007-000300 R-CHIP 10Kohm,5%,1/8W,TP,2012 R912 2007-000300 R-CHIP 10Kohm,5%,1/8W,TP,2012 R913 2007-000300 R-CHIP 10Kohm,5%,1/8W,TP,2012 Samsung Electronics...
Page 46 240V AC,25A,6P(10C),L14mm SW04 DB34-00009A SWITCH-DIGITAL PT65 103,ROTARY DIP,-,DC24V Max,0.4VA, 50mOhm Max,-,BULK,10mmx10mm,straight,-,-,- SW05 3407-000121 SWITCH-DIP 24V,300mA,SLIDE,STANDARD SW06 3407-000121 SWITCH-DIP 24V,300mA,SLIDE,STANDARD SW07 3407-000121 SWITCH-DIP 24V,300mA,SLIDE,STANDARD VA71 1405-000154 VARISTOR 460Vdc,2500A,17.5x7.5mm,TP X301 2802-001179 RESONATOR-CERAMIC 4MHz,0.5%,BK,8x3x5.5mm X701 2301-001220 C-FILM,LEAD-PPF 100nF,10%,275V,BK,18x6x12,15 X702 2301-001220 C-FILM,LEAD-PPF 100nF,10%,275V,BK,18x6x12,15 Samsung Electronics...
Page 47 C-CER,CHIP 10nF C301 2203-001562 C-CER,CHIP 10nF C302 2203-000192 C-CER,CHIP 100nF C303 2203-000192 C-CER,CHIP 100nF C304 2203-000192 C-CER,CHIP 100nF C305 2203-000192 C-CER,CHIP 100nF C306 2203-000192 C-CER,CHIP 100nF C307 2201-000154 C-CERAMIC,DISC 10nF C308 2201-000154 C-CERAMIC,DISC 10nF C401 2401-002300 C-AL 47uF Samsung Electronics...
Page 48 C-CER,CHIP 100nF C503 2203-000192 C-CER,CHIP 100nF C504 2203-000192 C-CER,CHIP 100nF C505 2203-000189 C-CER,CHIP 100nF C506 2203-000189 C-CER,CHIP 100nF C507 2203-000189 C-CER,CHIP 100nF C508 2203-000189 C-CER,CHIP 100nF C509 2203-000189 C-CER,CHIP 100nF C510 2203-000189 C-CER,CHIP 100nF C511 2203-000189 C-CER,CHIP 100nF Samsung Electronics...
Page 49 C805 2401-000832 C-AL 220uF C900 2203-001562 C-CER,CHIP 10nF C901 2203-001562 C-CER,CHIP 10nF C902 2203-001562 C-CER,CHIP 10nF C907 2203-001562 C-CER,CHIP 10nF C908 2203-001562 C-CER,CHIP 10nF CD31 0406-001109 DIODE-TVS SAC5.0 CD32 0406-001109 DIODE-TVS SAC5.0 CN30 3711-001031 HEADER-BOARD TO CABLE BOX,6P,ANGLE,WHT Samsung Electronics...
Page 50 0506-000175 TR-ARRAY ULN2003 IC59 1203-003334 IC-RESET S-801 IC61 0604-001172 PHOTO-COUPLER PC181 IC62 0604-001172 PHOTO-COUPLER PC181 IC70 DB09-00453A IC MICOM MB90F823 IC701 1103-001175 IC-EEPROM 93LC56 IC702 1203-003334 IC-RESET S-801 IC72 0506-000175 TR-ARRAY ULN2003 IC81 DB95-00595A ASS’Y-PHOTO COUPLER TLP250 Samsung Electronics 6-10...
Page 51 150Kohm R201 2007-002667 R-CHIP 90.9Kohm R202 2007-002667 R-CHIP 90.9Kohm R203 2007-000263 R-CHIP 1.82Kohm R204 2007-000263 R-CHIP 1.82Kohm R205 2007-000671 R-CHIP 2Kohm R206 2007-002667 R-CHIP 90.9Kohm R207 2007-002667 R-CHIP 90.9Kohm R208 2007-000671 R-CHIP 2Kohm R301 2007-000023 R-CHIP 120ohm 6-11 Samsung Electronics...
Page 52 10mohm,15W R422 2007-000938 R-CHIP 47Kohm R423 2007-000546 R-CHIP 20Kohm R424 2007-000868 R-CHIP 4.7Kohm R425 2007-000290 R-CHIP 100ohm R426 2007-000290 R-CHIP 100ohm R427 2007-000468 R-CHIP 1Kohm R429 2007-008261 R-CHIP 150Kohm R430 2007-008261 R-CHIP 150Kohm R431 2007-008261 R-CHIP 150Kohm Samsung Electronics 6-12...
Page 53 330ohm R603 2007-000766 R-CHIP 330ohm R604 2007-000468 R-CHIP 1Kohm R701 2007-000076 R-CHIP 330ohm R702 2007-000076 R-CHIP 330ohm R703 2007-000109 R-CHIP 1Mohm R704 2007-000078 R-CHIP 1Kohm R705 2007-000965 R-CHIP 5.1Kohm R706 2007-000511 R-CHIP 2.4Kohm R707 2007-000511 R-CHIP 2.4Kohm 6-13 Samsung Electronics...
Page 54 RELAY-POWER 12VDC RY03 3501-001238 RELAY-POWER DC12V RY04 3501-001238 RELAY-POWER DC12V RY05 3501-001238 RELAY-POWER DC12V RY31 3501-001248 RELAY-MINIATURE XTAL01 2802-001179 RESONATOR-CERAMIC 4MHz XTAL51 2802-001179 RESONATOR-CERAMIC 4MHz ZD21 0403-000282 DIODE-ZENER MMBZ5232B ZD22 0403-000282 DIODE-ZENER MMBZ5232B ZD72 0403-000282 DIODE-ZENER MMBZ5232B Samsung Electronics 6-14...
Page 55 10nF C302 2203-000192 C-CER,CHIP 100nF C303 2203-000192 C-CER,CHIP 100nF C304 2203-000192 C-CER,CHIP 100nF C305 2203-000192 C-CER,CHIP 100nF C306 2203-000192 C-CER,CHIP 100nF C307 2201-000154 C-CERAMIC,DISC 10nF C308 2201-000154 C-CERAMIC,DISC 10nF C309 2201-000154 C-CERAMIC,DISC 10nF C310 2201-000154 C-CERAMIC,DISC 10nF 6-15 Samsung Electronics...
Page 56 100nF C502 2203-000192 C-CER,CHIP 100nF C503 2203-000192 C-CER,CHIP 100nF C504 2203-000192 C-CER,CHIP 100nF C505 2203-000189 C-CER,CHIP 100nF C506 2203-000189 C-CER,CHIP 100nF C507 2203-000189 C-CER,CHIP 100nF C508 2203-000189 C-CER,CHIP 100nF C509 2203-000189 C-CER,CHIP 100nF C510 2203-000189 C-CER,CHIP 100nF Samsung Electronics 6-16...
Page 57 1000nF C803 2306-000123 C-FILM,LEAD-PPF 100nF C805 2401-000832 C-AL 220uF C900 2203-001562 C-CER,CHIP 10nF C901 2203-001562 C-CER,CHIP 10nF C902 2203-001562 C-CER,CHIP 10nF C907 2203-001562 C-CER,CHIP 10nF C908 2203-001562 C-CER,CHIP 10nF CD31 0406-001109 DIODE-TVS SAC5.0 CD32 0406-001109 DIODE-TVS SAC5.0 6-17 Samsung Electronics...
Page 58 IC53 0506-000175 TR-ARRAY ULN2003 IC54 0506-000175 TR-ARRAY ULN2003 IC55 0506-000175 TR-ARRAY ULN2003 IC59 1203-003334 IC-RESET S-801 IC61 0604-001172 PHOTO-COUPLER PC181 IC62 0604-001172 PHOTO-COUPLER PC181 IC70 DB09-00453A IC MICOM MB90F823 IC701 1103-001175 IC-EEPROM 93LC56 IC702 1203-003334 IC-RESET S-801 Samsung Electronics 6-18...
Page 59 150Kohm R117 2007-008261 R-CHIP 150Kohm R118 2007-008261 R-CHIP 150Kohm R201 2007-002667 R-CHIP 90.9Kohm R202 2007-002667 R-CHIP 90.9Kohm R203 2007-000263 R-CHIP 1.82Kohm R204 2007-000263 R-CHIP 1.82Kohm R205 2007-000671 R-CHIP 2Kohm R206 2007-002667 R-CHIP 90.9Kohm R207 2007-002667 R-CHIP 90.9Kohm 6-19 Samsung Electronics...
Page 60 R420 2007-000515 R-CHIP 2.7Kohm R421 DB95-00769A ASS’Y-R CEMENT 10mohm,15W R422 2007-000938 R-CHIP 47Kohm R423 2007-000546 R-CHIP 20Kohm R424 2007-000868 R-CHIP 4.7Kohm R425 2007-000290 R-CHIP 100ohm R426 2007-000290 R-CHIP 100ohm R427 2007-000468 R-CHIP 1Kohm R429 2007-008261 R-CHIP 150Kohm Samsung Electronics 6-20...
Page 61 18Kohm R601 2007-000468 R-CHIP 1Kohm R602 2007-000766 R-CHIP 330ohm R603 2007-000766 R-CHIP 330ohm R604 2007-000468 R-CHIP 1Kohm R701 2007-000076 R-CHIP 330ohm R702 2007-000076 R-CHIP 330ohm R703 2007-000109 R-CHIP 1Mohm R704 2007-000078 R-CHIP 1Kohm R705 2007-000965 R-CHIP 5.1Kohm 6-21 Samsung Electronics...
Page 62 RELAY-POWER 12VDC RY03 3501-001238 RELAY-POWER DC12V RY04 3501-001238 RELAY-POWER DC12V RY05 3501-001238 RELAY-POWER DC12V RY31 3501-001248 RELAY-MINIATURE XTAL01 2802-001179 RESONATOR-CERAMIC 4MHz XTAL51 2802-001179 RESONATOR-CERAMIC 4MHz ZD21 0403-000282 DIODE-ZENER MMBZ5232B ZD22 0403-000282 DIODE-ZENER MMBZ5232B ZD72 0403-000282 DIODE-ZENER MMBZ5232B Samsung Electronics 6-22...
Page 63 WIRE 3712-001139 CONNECTOR-TERMINAL TAB,MALE DB41-00433A PCB SUB-EMI BOARD PCB-2L R002 2001-001150 R-CARBON(S) 470Kohm R003 2001-001150 R-CARBON(S) 470Kohm VA01 1405-000154 VARISTOR 560Vdc,2500A VA02 1405-000154 VARISTOR 560Vdc,2500A VA03 1405-000154 VARISTOR 560Vdc,2500A VA04 1405-000154 VARISTOR 560Vdc,2500A VA05 1405-000154 VARISTOR 560Vdc,2500A 6-23 Samsung Electronics...
Page 64 WIRE 3712-001139 CONNECTOR-TERMINAL TAB,MALE DB41-00433A PCB SUB-EMI BOARD PCB-2L R002 2001-001150 R-CARBON(S) 470Kohm R003 2001-001150 R-CARBON(S) 470Kohm VA01 1405-000154 VARISTOR 560Vdc,2500A VA02 1405-000154 VARISTOR 560Vdc,2500A VA03 1405-000154 VARISTOR 560Vdc,2500A VA04 1405-000154 VARISTOR 560Vdc,2500A VA05 1405-000154 VARISTOR 560Vdc,2500A Samsung Electronics 6-24...
Page 65 Specification Q'TY SA/SNA Remark CN953 3711-004068 HEADER-BOARD TO CABLE BOX,5P,ANGLE,WHT D901 0401-000005 DIODE-SWITCHING 1N4148 D902 0401-000005 DIODE-SWITCHING 1N4148 3404-000165 SWITCH-TACT 12V,50mA 3404-000165 SWITCH-TACT 12V,50mA LED91 0601-000402 ROUND,YEL LED92 0601-000552 ROUND,GRN LED93 0601-001373 ROUND,RED DB41-00447A PCB DISPLAY PCB-1L 6-25 Samsung Electronics...
Page 66: Wiring Diagram
7. Wiring Diagram 7-1 Indoor Unit This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 67: Outdoor Unit
7-2 Outdoor Unit ■ UH052EAV This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 68 Wiring Diagram ■ UH070EAV This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 69: Schematic Diagram
8. Schematic Diagram 8-1 Indoor Unit This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 70: Outdoor Unit
8-2 Outdoor Unit This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 71: 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 72 Circuit Descriptions Circuit Descriptions 9-1-2 Outdoor Unit Temperature Sensor & EEV SMPS Inverter This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 73: 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 74: 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 75: Outdoor Pcb
10-2 Outdoor PCB The red number connecter is not used. Power N COND/OLP Temperature Sensor Power L DIS/OUT Temperature Sensor BLDC FAN EEV Connector AC FAN Comp. Connector Wire Communication 485 Reactor Connector Wire 10-2 Samsung Electronics...
Page 76: Operating Instructions
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 77 Operating Instructions 11-1-2 Outdoor Unit ■ UH052EAV Air Inlet(Rear) Air Outlet Connection Valve ■ UH070EAV Air Inlet(Rear) Air Outlet Connection Valve 11-2 Samsung Electronics...
Page 78: Main Function
3. To 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. Samsung Electronics 11-3...
Page 79 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 : Automatic(rotated : ➔ ➔ Medium High 11-4 Samsung Electronics...
Page 80 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 value is displayed: Medium High Samsung Electronics 11-5...
Page 81: Wireless Remote Control-Buttons And Display
Air flow direction Swing button On Timer setting On Timer button Off Timer setting Off Timer button Battery discharge indicator On/Off & Timer Set/ Cancel button Note : • After cleaning the air filter, press the button. 11-6 Samsung Electronics...
Page 82: 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 83: 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 84 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 85 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 86 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 87 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 88: 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 89 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 90 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 91 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 92 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 93 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 94: 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 95 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 96 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 97 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 98 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 99: 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 100 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 101: 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 102: 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 103: 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 104 Block Diagram ■ UH052EAV OUTDOOR FAN IGBT DIODE DC_LINK CAP SMPS Samsung Electronics 13-3...
Page 105 Block Diagram ■ UH070EAV OUTDOOR FAN IGBT DIODE DC_LINK CAP SMPS 13-4 Samsung Electronics...
Page 106: 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 107: 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 108: 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 109 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 110 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 111: 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 112: 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 113: Installation Diagram Of Indoor Unit And Outdoor Unit
183kgf•cm with a torque wrench. 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. Samsung Electronics...
Page 114: Samsung Electronics
• 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 115 MEMO 14-10 Samsung Electronics...
Page 116 © Samsung Electronics Co., Ltd. Apr. 2006. This Service Manual is a property of Samsung Electronics Co., Ltd. Printed in Thai. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. Code No. DB98-25890A(1)

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Samsung FH070EAV Service Manual

Precautions

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Disassembly and Reassembly

Exploded Views and Parts List

Electrical Parts List

Wiring Diagram

Schematic Diagram

Circuit Descriptions

PCB Diagram

Operating Instructions

Troubleshooting

Block Diagram

Reference Sheet

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