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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)
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...
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↓...
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...
● 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...
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...
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...
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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...
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...
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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...
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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...
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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...
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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...
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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...
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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 4-16...
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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...
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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...
- 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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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...
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...
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...
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 ■ UH052EAV Air Inlet(Rear) Air Outlet Connection Valve ■ UH070EAV Air Inlet(Rear) Air Outlet Connection Valve 11-2 Samsung Electronics...
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...
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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...
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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...
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...
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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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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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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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 ■ UH052EAV OUTDOOR FAN IGBT DIODE DC_LINK CAP SMPS Samsung Electronics 13-3...
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Block Diagram ■ UH070EAV 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. 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...
• 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...