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good’sleep Mode good’ sleep mode can help you sleep quickly and soundly and wake up refreshed.
AQ09VFUAGM/CV Model Item Indoor Unit Type Cooling kW (Low / Std / Max) Capacity Heating Cooling Heating Dehumidifying /min (H/M/L) Performance Air Volume Heating Cooling dB (H/L) Noise Heating Cooling W/W (Std) Heating Power Cooling Power Consumtion Heating Cooling Power Operating Current Heating Cooling Power Factor Heating Outer Dimension WxHxD Weight(Net) Outdoor Unit Wall-mounted 0.821/2.638/3.312 0.821/3.517/3.986 0.791/3.517/4.396 . 0.791/3.986/5.
AQ18VFUAGM/CV Model Item Indoor Unit Type Cooling Capacity Heating Cooling Running Frequency Heating Dehumidifying Heating Cooling Heating Cooling Heating Cooling Power Consumtion Heating Cooling Operating Current Heating Cooling 1.29/7.03/7.91 . 0.82/6.00/7.47 1.67/7.91/9.96 Hz (Low / Std / Max) 15 / 72 / 82 15 / 76 / 88 15 / 76 / 93 15 / 76/ 100 - Heating WxHxD Weight (Net) - - - - - - - - - 48 58 48 58 48 58 48 58 2.9/9.89/10.42 2.82/9.64/10.17 3.37/12.52/12.13 2.
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2-3 The Comparative Speciactions of Product Development Model Development Model AQ09VFUAGM/CV AQ12VFUAGM/CV Item I ndoor Unit Design Outdoor Unit Indoor Unit 8.2Kg 8.2Kg Outdoor Unit 30.5Kg 30.
2-3 The Comparative Speciaction of Product Development Model Development Model AQ18VFUAGM/CV AQ24VFUAGM/CV Ite m Indoor Unit Design Outdoor Unit Indoor Unit 11.5Kg 11.5Kg Outdoor Unit 38.5Kg 53.
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Assy Plate-Hanger Remote Control DB97-02851C [AQN09VFUAGM/CV] [AQN12VFUAGM/CV] DB90-02738A [AQN18VFUAGM/CV] [AQN24VFUAGM/CV] DB70-00787A [AQV36VFUAGM/CV] DB93-11115Y [AQN09VFUAGM/CV] [AQN12VFUAGM/CV] [AQN18VFUAGM/CV] [AQN24VFUAGM/CV] [AQN36VFUAGM/CV] Batteries for Remote Control DB47-90024A [AQN09VFUAGM/CV] [AQN12VFUAGM/CV] [AQN18VFUAGM/CV] [AQN24VFUAGM/CV] [AQN36VFUAGM/CV] Manual DB98-32163A [AQN09VFUAGM/CV] [AQN12VFUAGM/CV] [AQN18VFUAGM/CV] [AQN24VFUAGM/CV] [AQN36VFUAGM/CV] Indoor Unit
DB67-20011A [AQX09VFUAGM/CV] [AQX12VFUAGM/CV] [AQX18VFUAGM/CV] [AQX24VFUAGM/CV] DB67-00477A [AQX36VFUAGM/CV] DB73-20134A [AQX09VFUAGM/CV] [AQX12VFUAGM/CV] [AQX18VFUAGM/CV] [AQX24VFUAGM/CV]
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3-3 Setting Option Setup Method(continue) 3-5 Samsung Electronics
AQ-09VFUAGM/CV 011425-17421D271A23-372520 034044-113047 200000-300000 AQ-12VFUAGM/CV 011425-17423D272328-372520 034B4D-114753 200000-300000 AQ-18VFUAGM/CV 012425-17423E27343C-37F620 034947-11484C 200000-300000 AQ-24VFUAGM/CV 012425-18428C27444E-37F320 034F52-104C4C 200000-300000 AQ-36VFUAGM/CV 01B425-17428C276063-37F520 034645-113533 200000-300000
4-1 Indoor Unit No Par t s 1 PANEL-FRONT Procedure Remark 1) Stop the driving of air conditioner and shut main power supply . 2) Open the FRONT-GRILLE and pull out from the PANEL-FRONT. off 3) Detach COVER-TERMINALfrom the PANELFRONT.(use + Screw Driver ) 4) Loosen connector wire(white) temperature sensor wire . and detach the 5) To detach the FRONT-PANELthe main frame, unfasten 2 screw at the bottom.(use + Screw Driver ) 6) Take off the FRONT-PANEL,lifting 4- 2 up the bottom.
Operating Instructions and Installation No Parts 2 TRAY DRAIN Procedure Remark 1) Loosen stepping motor wire and detach the hook of main frame. 2) To detach TRAY-DRAIN from the main frame, pull the bottom of the TRAY-DRAIN towards you. 3 CONTROL IN 1) Unfasten the earth screw.(use + Screw Driver) 2) Detach COVER-CONTROL from the CASECONTROL. 3) Detach the temperature sensor. 4) Loosen MOTOR Wire. 5) Take off the CASE-CONTROL from the main frame.
Operating Instructions and Installation No Parts 4 PBA Procedure Remark 1) Unfasten the screw. 2) Cut the cable tie. 3) Loosen the terminal block wires. Caution: The terminal is locking type. So, when you separate terminals, pull pressing the button.
Operating Instructions and Installation No Parts 4 PBA Procedure Remark 4) Loosen the Motor Feedback connector. K Caution: When you separate the connector, pull pressing the locking button. 5) Loosen Stepping MOTOR connector. K Caution: When you separate the connector, pull pressing the locking button. 6) Loosen Main Power connector. K Caution: When you separate the connector, pull pressing the locking button.
Operating Instructions and Installation No Parts 5 EVAPORATOR Procedure Remark 1) Unfasten the screw at the right side. (use + Screw Driver) 2) Unfasten the screw at the left side. (use + Screw Driver) 3) Detach the HOLDER PIPE. 4) Take off the EVAPORATOR from the main frame.
Operating Instructions and Installation No Parts 6 FAN MOTOR & CROSS FAN Procedure Remark 1) Unfasten the screw in the HOLDER-EVAP on the left side of evaporator.(use + Screw Driver) 2) unfasten the 3 points screws in the CASECONTROL, and then detach the CASE. (use + Screw Driver) 3) unfasten the screw a little.(use + Screw Driver) 4) Lift up the evaporator slightly and pull the CROSS-FAN to the left side.
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AQX36VFUAGM/CV No Parts Procedure 1 Common Work 1) Loosen 2 fixing screws of the Cabi Front Rh and detach the Cabi Front Rh. Remark 2) Loosen each 8 fixing screws and detach the Cabi Top Cover. 3) Loosen 17 screws fixed to assemble Control Box with Cabi Back Rh.
No Parts Procedure Remark 4) Loosen 4 screws fixed on cond-bar. 5) Loosen 4 screws fixed on cond-bar. 6) Loosen 13 fixing screws of the Cabi Front Lf and detach it.
No Parts 2 Fan & Motor Procedure Remark 1) Detach the Nut Flange like the picture on the right side.(Turn clockwise because the screw is left-handed.) (Use Monkey Spanner.) 2) Detach the Fan Propeller. 3) Loosen 4 fixing screws to detach the Motor. (Use Monkey Spanner.) 4) Disconnect the wire between Ass’y Control Out and Motor. 5) Loosen 2 fixing bolts and detach the Bracket Motor.(Use Monkey Spanner.
No Parts 3 Ass’y Control Out 1) Detach several connectors from the Ass’y Control Out. 2) Detach several connectors from the PCB of Ass’y Control Out. 3) Pull up the Ass’y Control Out. 4 Heat Exchanger 1) Release the refrigerant at first. 2) Loosen fixing screw on both sides. 3) Disassemble the pipes in both inlet and outlet with welding torch. 4) Detach the Heat Exchanger.
No Parts 5 Compressor Procedure Remark 1) Loosen the fixing nut and detach the Compressor Lead Wire. (Use Monkey Spanner.) 2) Disassemble the Felt Comp Sound. 3) Loosen the 3 bolts at the bottom of Compressor like the picture on the right side.(Use Monkey Spanner.
DB93-09711A MAX KCV向 Model AQN36VFUAGM/CV
5-4 Ass'y Control Out -AQX09/12/18VFUAGM/CV AQX09VFUAGM/CV AQX18VFUAGM/CV AQX12VFUAGM/CV 5-10 Samsung Electronics
5-4 Ass'y Control Out -AQX24VFUAGM/CV Model 5-10 AQX24VFUAGM/CV Samsung Electronics
5-4 ASSY CONTROL OUT -AQX36VFUAGM/CV E-21
Parts List(DB93-09771D) NO Parts Code Parts Description Spec.
6 6 AQN09/12VFUAGM/CV 6-1
AQN18/24VFUAGM/CV 6-2
AQN36VFUAGM/CV 6-3
AQX09/12/18VFUAGM/CV
AQX24VFUAGM/CV
AQX36VFUAGM/CV
COMMUNICATION ZERO CROSS g l n a u i s nt m e a d i S nf o C SMPS MODULE
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ٛ New Function [ Indoor Terminal Block Safety Device ] 1.Thermal Fuse is installed in Terminal Block as below. (Thermal Fuse is used to prevent PL caused by a defective connection of indoor and outdoor units) ێۇڼۉۍۀۏۉڤ ۆھۊۇڝ ۇڼۉۄۈۍۀگ ڜڝګ ۉۄڼڨ ڿۉڼ ۆھۊۇڽ ۇڼۉۄۈۍۀۏ ہۊ ۉۊۄۏھۀۉۉۉۊڞ 2. Thermal Fuse is opened when internal temperature of Terminal Block goes to a certain point due to Tracking caused by a defective connection of indoor and outdoor units.
Main parts Room temperature sensor Air intake (up and down) Blade pin elver
Remote controller display Smart Saver Less energy usage makes your space cool between the temperature range of 24°C~30°C. Turbo Operate in auto fan speed to cool quickly. Quiet Reduce noise generated from an indoor unit during operation. Temp + - Power Mode Set one of the 5 operating modes (see pages 10-11 for instructions). Auto Clean Auto clean function – Dry inside of the indoor unit to get rid of odor. Air swing automatically up and down. Fan Increase/Decrease the temperature by 1˚C.
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Communication error Indoor display ƻ ሱ ሱ Communication error Outdoor display ሱ ل ل م ل م م م م 1min. Time out Comm. Abnormal Communication 1.Checklist : 1) Is the cable between the indoor unit and outdoor unit connected correctly? 2) Isn't the power cable and communication cable cross? 2. Troubleshooting procedure Restart aŌer power oī. Is the communicaƟon error occurred again? NO Terminate the service.
Indoor temperature sensor error Indoor display ل ሱ ل Indoor error room temp sensor 1.Checklist : 1) Is the indoor units temperature sensor connected correctly? 2) Is the sensor placed correctly? 3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature? Detach the assembled sensor from the PBA sensor 2.
Indoor Eva-in temperature sensor error Indoor display ሱ ሱ ل Indoor error Eva-in temp sensor 1.Checklist : 1) Is the indoor units temperature sensor connected correctly? 2) Is the sensor placed correctly? 3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature? Detach the assembled sensor from the PBA sensor 2.
When the Up/Down louver motor does not operate (Initial Diagnosis) (Not displayed) 1.Checklist : 1) Is the input power voltage normal? 2) Is the Up/Down louver motor properly connected with the connector? (CN61) 2. Troubleshooting procedure Unplug the power cord and plug it aŌer 30seconds later. NO Is the lamp blinking? Check the as in the procedure. No power.
When the remote control is not receiving 1.Checklist : 1) Check if the connector was normally assembled.
Indoor fan motor speed detecting error (BLDC fan) Indoor display ل ل ሱ Indoor fan error 1.Checklist : 1) Is the indoor units fan motor properly connected with the connector(CN72)? 2) Is the AC voltage correct? 2. Troubleshooting procedure Restart aŌer power oī.
Outdoor temperature sensor error Indoor display ሱ ل ሱ Outdoor error Outdoor display ሱ ل ሱ Outdoor error temperature sensor 1.Checklist : 1) Is the sensor connected correctly? 2) Is the sensor placed correctly? 3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature? 4) Is the resistance value of sensor connection pull-up correct? 2-1.
Outdoor Coil temperature sensor error Indoor display ሱ ل ሱ Outdoor error Outdoor display Outdoor Coil temperature sensor error ሱ م ሱ 1.Checklist : 1) Is the sensor connected correctly? 2) Is the sensor placed correctly? 3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature? 4) Is the resistance value of sensor connection pull-up correct? 2-1.
Outdoor Discharge temperature sensor error Indoor display ሱ ل ሱ Outdoor error Outdoor display ሱ ሱ ل Outdoor error Discharge temperature sensor 1.
Outdoor Discharge over temperature error Indoor display ሱ ل ሱ Outdoor error Outdoor display ሱ ƻ م Outdoor error Discharge over temperature 1.Checklist : 1) Check the discharge temperature in the outdoor unit 2) Check the compressor locking or gas leak 3) Download the EEPROM data 2. Troubleshooting procedure Restart aŌer power oī.
Outdoor Fan motor error Indoor display ሱ ل ሱ Outdoor error Outdoor display م ƻ ل Outdoor fan error 1.Checklist : 1) Are the input power voltage and the power connection correct? 2) Is the motor wire connected to the outdoor PBA correctly? 3) Is there no assembly error or none-assembly in the terminal of motor wire connector? 4) Is there no obstacle at the surrounding of motor and propeller? 2. Troubleshooting procedure Restart aŌer power oī.
Compressor starting error Indoor display ሱ ل ሱ Outdoor error Outdoor display ل ሱ ل Comp starting error 1.Checklist : 1) Is the connection of cable for the compressor? 2) Is the compressor wire is connected clockwise? U(RED)-V(BLU)-W(YEL) 3) Is the interphase resistance of compressor normal? 2. Troubleshooting procedure Restart aŌer power oī.
Compressor wire missing error/rotation error Indoor display ሱ ل ሱ Outdoor error Outdoor display م ل م Compressor wire missing error/rotation error 1.Checklist : 1) Is the connection of cable for the compressor? 2) Is the compressor wire is connected clockwise? U(RED)-V(BLU)-W(YEL) 3) Is the interphase resistance of compressor normal? 2. Troubleshooting procedure Restart aŌer power oī.
O.C(Over Current) error Indoor display ሱ ل ሱ Outdoor error Outdoor display ل ل ሱ Comp starting error 1.Checklist : 1) Is the IPM Shunt(A*V18***:R451,R452,R453,A*V24***:R413,R414,R415) resistance value correct? Check the resistor is opened 2) Is the condition of surrounding temperature abnormal overload? 3) Is there any problem as like the temperature sensor separation or measurement value error? 4) Is the interphase resistance of compressor normal? 2.
DC_link voltage sensor error Indoor display ሱ ل ሱ Outdoor error Outdoor display DC_link voltage sensor error م ሱ ሱ 1.Checklist : 1) Is the input voltage of outdoor terminal block is normal? 2) Is the reactor wire connected? 3) Is the DC_link capacitor(A*V18***:CE101,CE102,CE103,A*V24***:CE001,CE002,CE003,CE004)) assembled in accordance the specification? (Outdoor PBA) 4) Is the DC_link resistor(A*V18***:R104,R106,R107,R108,A*V24***:R004,R005,R006,R007) value is normal? (Outdoor PBA) 2.
DC_link voltage under/over error, Over voltage protection error/PFC over load Indoor display ሱ ل ሱ Outdoor error Outdoor display ل م ሱ DC_link voltage under/over error Over voltage protection error PFC over load 1.
I_trip error, PFC over current Indoor display ሱ ل ሱ Outdoor error Outdoor display م ሱ م I_trip error, PFC over current 1.Checklist : 1) Is the PFC Shunt(A*V18***:R062,R063,A*V24***:R807,R808,R809) resistance value correct? Check the resistor is opened 2) Is the condition of surrounding temperature abnormal overload? 3) Is there any problem as like the temperature sensor separation or measurement value error? 4) Is the interphase resistance of compressor normal? 2.
Current sensor error/Input current sensor error Indoor display ሱ ل ሱ Outdoor error Outdoor display ሱ ሱ م Current sensor sensor error error/Input current 1.Checklist : 1) Is the PFC Shunt(A*V18***:R062,R063,A*V24***:R807,R808,R809) resistance value correct? Check the resistor is opened 2) Is the IPM Shunt(A*V18***:R451,R452,R453,A*V24***:R413,R414,R415) resistance value correct? Check the resistor is opened 3) Is there no short or open around IC451(A*V18***) or IC451,IC452(A*V24***)? 2.
Heatsink sensor error/Heatsink over heat Indoor display ሱ ل ሱ Outdoor error Outdoor display ሱ ሱ ሱ م م ሱ Heatsink sensor error Heatsink over heat error 1.Checklist : 1) Are there screws assembly in PBA-heatsink? 2) Is the gap PBA-heatsink 3) Is the fan operation normal? 4) Is the cover assembly in conrol-box normal? Restart aŌer power oī. 2.
Comp Vlimit error/Comp current limit error Indoor display ሱ ل ሱ Outdoor error Outdoor display ሱ م ل Comp Vlimit error/Comp current limit error 1.
EEPROM error/OTP error Indoor display ሱ ل ሱ Outdoor error Outdoor display ل م م ل ل ሱ EEPROM error OTP error 1.Checklist : 1) Is there a short around micom? 2) Is there a short around IC202(A*V18***) or IC701(A*V24***)? 3) Did you download or insert EEPROM IC, after changing outdoor PBA? power oī and download EEPROM data 2. Troubleshooting procedure (or.
AC zero cross signal error Indoor display ሱ ل ሱ Outdoor error Outdoor display م م ሱ AC zero cross signal error 1.Checklist : 1) Check the power condition at customer's house (Is there any power noise?) 2) Have been there power failure? 2.
Operation condition secession error Indoor display ሱ ل ሱ Outdoor error Outdoor display م ሱ ل AC zero cross signal error 1.Checklist : 1) Check the temperature around the outdoor unit. 2.
Capacity miss match error Indoor display ሱ ل ሱ Outdoor error Outdoor display ሱ ل ل Capacity miss match error 1.Checklist : 1) Check the Btu between indoor and outdoor unit 2) Check the indoor unit option and outdoor unit EEPROM data 2.
Gas leak error Indoor display ሱ ل ሱ Outdoor error Outdoor display م م ل Gas leak error 1.Checklist : 1) Is the position of indoor Eva_in sensor normal? 2) Check the pipe crack 3) Check the EEV valve connection in Outdoor unit 4) Check the refrigerant was charged 2.
No power indoor (Initial Diagnosis) (Not displayed) 1.Checklist : 1) Is input power normal? 2) Is AC power linked correctly? 3) Is input voltage of DC_link capacitor normal? 4) Is the voltage of DC regulator normal? 2. Troubleshooting procedure Unplug the power cord Is the power cable from outdoor is correct? (L, N - CN71) NO Reconnect the power cord correctly. YES Check the fuse open or not? (F701,F702) NO Exchange the PBA Restart aŌer power oī. Check the power source.
12-2 Outdoor Unit Error Display-AQX36VFUAGM/CV If an error occurs during the operation, it is displayed on the outdoor unit PCB LED, both MAIN PCB and INVERTER PCB. No. Error Code Meaning Remarks 1 E201 Unit quantity miss matching between indoor and outdoor. Check indoor quantity setting in outdoor (Refer to page 17.) 2 E202 Abnormal state, no communication between Indoor and Outdoor Main PCB Check electrical connection and setting 3 E203 1min.
12-2 12-2-1 Fault Diagnosis by Symptom No Power(completely dead) - Initial diagnosis 1. Checklist: 1) Is Power source voltage normal? 2) Is AC power linked correctly?( miss-wiring, wire detaching etc. ) 3) Is any LED on the MAIN PCB of Outdoor unit lit? 4) Is terminal voltage for indoor unit normal?(230Vac nominal) 5) Is Wired remote controller installed correctly? 2.
12-2-2 The Outdoor unit Power Supply error 1. Checklist: 1) Are the input power voltage and power connection correct? 2) Is there any Fuse Short of the indoor or outdoor unit? 3) Is any LED lit on both MAIN PCB and INVERTER PCB? 4) Are Reactor wires of the outdoor unit connected correctly? 2.
12-2-3 The Outdoor unit Fan error 1. Checklist: 1) Are the input power voltage and power connection correct? 2) Is the motor wire connected to the outdoor PCB correctly? 3) Is there no obstacle at the surrounding of motor and propeller? 4) Does the driver in the motor case broken? 2.
12-2-4 Total current trip error 1. Checklist : 1) Is the input power voltage proper? 2) Is the refrigerant charged properly? 3) Does the compressor rotate normally?(Reverse rotation, Locking etc.) 4) Does the outdoor fan operate normally?(Fan propeller loss, Motor error ect.) 5) Is the installation condition of outdoor unit good?(Piping, Space etc.) 6) Is there no ventilation obstruction at the surrounding of outdoor unit?(Outdoor unit cover, Fan front obstruction etc.
12-2-5 In case of heating at the cooling mode or cooling at the heating mode 1. Troubleshooting procedure Is the Thermo off? Yes Change the setting temperature of remote control. Yes Operate it with a heating mode as soon as the defrosting is finished. Yes After 3 minutes, cooling and heating start automatically.
In case of heating at the cooling mode or cooling at the heating mode(cont.) From the previous page Does the EEV operate normally? No No Is much frost in the heat exchanger? Connect the connector. Yes Check the resistance value of EEV coil. NG EEV coil error OK Yes Is much frost in the heat exchanger? No Exchange the out PCB.
12-2-6 Outdoor temperature sensor error 1. Checklist : 1) Is the sensor connector connected correctly? 2) Is the sensor placed correctly? 3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature? 4) Is the resistance value of sensor connection pull_up correct? 2. Troubleshooting procedure Is the sensor connector connected correctly in accordance with a color? Reconnect the sensor connector.
12- 2-7 Discharge temperature sensor error 1. Checklist : 1) Is the sensor connector connected correctly? 2) Is the sensor placed correctly? 3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature? 4) Is the resistance value of sensor connection pull_up correct? 2. Troubleshooting procedure Is the sensor connector connected correctly in accordance with a color? Reconnect the sensor connector.
12-2-8 Coil temperature sensor error 1. Checklist : 1) Is the sensor connector connected correctly? 2) Is the sensor placed correctly? 3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature? 4) Is the resistance value of sensor connection pull_up correct? 2. Troubleshooting procedure Is the sensor connector connected correctly in accordance with a color? Reconnect the sensor connector.
12- 2-9 Fan error 1. Checklist : 1) Isn’t the fan locked? 2) Is the sensor placed correctly? 3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature? 4) Is the resistance value of sensor connection pull_up correct? 2. Troubleshooting procedure Remove the Fan lock. Isn't the Fan locked? Yes Is the connector connected correctly? No No Connect the connector. Yes No Is the color of Fan wire matched correctly? No Exchange the Fan. Yes Exchange the PCB.
12-2-10 DC-Link voltage sensor error 1. Checklist : 1) Is the connection of R, S, T power wire normal? 2) Are Relay RY21 and R200 on the INVERTER PCB mounted normally? 2.
12-2-11 O.C.(Over Current) error 1. Checklist : 1) Is the refrigerant charged properly? 2) Does the compressor rotate normally?(Reverse rotation, Locking etc.) 3) Is connection of compressor wire normal? 4) Is compressor motor normal?(Insulation, Coil resistance etc.) 5) Does a temporary cycle overload condition happened? 2.
12-2-12 Communication error 1. Checklist : 1) Is the communication cable between the indoor unit and outdoor unit connected correctly? 2) Isn’t the power cable and communication cable wiring error? 2. Troubleshooting procedure Restart after power off. Is the communication error occurred again? No Terminate the service. Yes Isn't the power cable and communication cable wiring error? No Correct the wrong wiring.
12-2-13 Compressor start error 1. Checklist : 1) Is the connection of cable for the compressor and power? 2) Is the interphase resistance of compressor normal? 2. Troubleshooting procedure Restart after power off. Is the restart error occurred again? No Terminate the service. Yes Is the interphase resistance value of compressor(ulv, vlw, wlu) normal? No Exchange the compressor. Yes Is the compressor body and interphase resistance insulated? No Exchange the compressor.
12-2-14 Compressor lock error 1. Checklist : 1) Is the connection of cable for the compressor and power? 2) Is the interphase resistance of compressor normal? 2. Troubleshooting procedure Restart after power off. Is the lock error occurred again? No Terminate the service. Yes Is the interphase resistance value of compressor(ulv, vlw, wlu) normal? No Exchange the compressor. Yes Is the compressor body and interphase resistance insulated? No Exchange the compressor.
12-2-15 DC Link Over voltage/ Low voltage error 1. Checklist : 1) Is the power voltage normal?(Lightning, Power interruption etc.) 2) Is AC Power cable connection normal?(Detaching the wire) 2.
12-3-1 Pre-inspection Notices 1. 2. 3. 4. Check if you pulled out the AC power plug when you eliminate the PCB or front panel Don't hold the PCB side not impose excessive force on it to eliminate the PCB Don’t pull the lead wire but hold the whole housing to connect or disconnect a connector to the PCB In case of outdoor PCB disassembly, check first the complete discharge of condenser after 1 minute power off 12-3-2 Inspection procedure 1.
12-3-4 No 1 2 3 3 4 Outdoor detailed inspection procedure procedure Inspection Method Plug out and pull the PCB out of the control box 1) Is 1st fuse disconnected? Check the PCB fuse (Wait 3 minutes after power off) 1) Is the Compressor wire connected clockwise? 2) Is the Reactor wire connected normal? Check the Wiring 3) Is the Fan wire connected normal? 4) Is the 4way wire connected normal? 5) Is the sensor wire connected normal? Check the power voltage 1) Is the voltage between Terminal block L-N 20
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12-17
Opening the panel Tightly grab top of the front panel and pull it down to open. Then slightly lift the panel up. and slide it down. Open the panel and put the Air filter out. Clean the Air filter with a vacuum cleaner or soft brush. If dust is too heavy, rinse it with running water. Insert the Air filter back in its original position and close the front panel. Dry the Air filter in a ventilated area. on the usage and environmental conditions. In dusty area, clean it once a week.
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15-1. POWER SUPPLY Working Voltage 176V ~ 264V Voltage Imbalance Within a 3% Deviation from Each Voltage at the Main Terminal of Outdoor Unit Starting Voltage Higher than 80% of the Rated Voltage 15-2.