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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 ...
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...
● 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...
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...
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...
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↓...
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...
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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...
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• 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...
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• 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...
Push the button to set the display panel to ➡ ➡ Every time you push the button, the display panel reads ➡ ➡ . . . ➡ ➡ ➡ ➡ ➡ ➡ repeatedly. Samsung Electronics...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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...
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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...
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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...
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...
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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...
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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...
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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...
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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...
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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...
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...
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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...
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Parts Procedure Remark 6) Loosen fixing screws of the Cabinet Front. (Use +Screw Driver.) Samsung Electronics 4-12...
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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...
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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...
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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...
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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...
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Parts Procedure Remark 6) Loosen fixing screws of the Cabinet Front. 4-17 Samsung Electronics...
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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...
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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...
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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...
- 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...
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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...
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■ EMI PCB �������� ����� This Document can not be used without Samsung’s authorization. Samsung Electronics...
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...
#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...
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PCB Diagram ■ EMI ① ② L(TAB)-POWER N(TAB)-POWER AC(L) AC(N) Samsung Electronics 10-3...
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...
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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...
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...
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...
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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...
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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...
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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...
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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...
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...
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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...
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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...
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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...
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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...
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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...
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...
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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...
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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...
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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...
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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...
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...
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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...
∞, 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...
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...
• 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...
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Block Diagram ■ UH052EAV1 OUTDOOR FAN IGBT DIODE DC_LINK CAP SMPS Samsung Electronics 13-3...
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Block Diagram ■ UH070EAV1 OUTDOOR FAN IGBT DIODE DC_LINK CAP SMPS 13-4 Samsung Electronics...
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.
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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...
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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.
• 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...
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...
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...
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• 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...