User Manual
Page 1
Please keep this manual carefully before using. MRV Intelligent Network Cassette Type Air Conditioner Indoor Unit INSTALLATION MANUAL AB072FDAHA AB092FDAHA AB122FDAHA AB162FDAHA AB182FDAHA AB242FDAHA AB282FDAHA AB072FDBHA AB092FDBHA AB122FDBHA AB162FDBHA AB182FDBHA AB242FDBHA AB282FDBHA No.0010570459 B Please read this manual carefully and safely.
Please keep this manual carefully before using. MRV Intelligent Network Cassette Type Air Conditioner Indoor Unit INSTALLATION MANUAL AB072FDAHA AB092FDAHA AB122FDAHA AB162FDAHA AB182FDAHA AB242FDAHA AB282FDAHA AB072FDBHA AB092FDBHA AB122FDBHA AB162FDBHA AB182FDBHA AB242FDBHA AB282FDBHA No.0010570459 B Please read this manual carefully and safely.
User Manual
Page 2
... make freezing. Auto Restart function is refrigerant flowing in the exchanger, but the outdoor unit and the other indoor units are still work, the indoor units without the power, will stop because of opening rate condition as freezing at cooling mode and overload protection at heating mode, maybe the outdoor unit compressor will keep the previous working . Reason When one or some of indoor units power cut down, but the indoor fan stops working condition before the power is shut down...
... make freezing. Auto Restart function is refrigerant flowing in the exchanger, but the outdoor unit and the other indoor units are still work, the indoor units without the power, will stop because of opening rate condition as freezing at cooling mode and overload protection at heating mode, maybe the outdoor unit compressor will keep the previous working . Reason When one or some of indoor units power cut down, but the indoor fan stops working condition before the power is shut down...
User Manual
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... that there is transferred to a new user, this manual should also be firmly fixed. Specific cables should be transferred. Self-installation is reached. After installation, make sure to have sound safety measures to avoid anoxia accidents. Refrigerant, if meeting with the manual instructions. Insufficient capacity return circuit and inappropriate installation may lead to fire accidents. Caution Electric leak breaker should take measures to avoid...
... that there is transferred to a new user, this manual should also be firmly fixed. Specific cables should be transferred. Self-installation is reached. After installation, make sure to have sound safety measures to avoid anoxia accidents. Refrigerant, if meeting with the manual instructions. Insufficient capacity return circuit and inappropriate installation may lead to fire accidents. Caution Electric leak breaker should take measures to avoid...
User Manual
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Indoor unit installation 4 Troubleshooting Fault codes and reason Fault code 0C Phenomenon Running continues 93/94 Running continues Reasons Room-temperature sensor (TA) circuit, including Room-temperature seasor (TA), indoor PC board Indoor heat-exchanger temperature sensor circuit (TC1/TC2), including indoor heat-exchanger temperature sensor (TC1/TC2) and indoor PC board 11 All stop Indoor fan system, including revolution detecting circuit, indoor fan motor and indoor PC board 12 Running continues Indoor unit, including PC board (EEPROM and peripheral circuit) 14 All stop ...
Indoor unit installation 4 Troubleshooting Fault codes and reason Fault code 0C Phenomenon Running continues 93/94 Running continues Reasons Room-temperature sensor (TA) circuit, including Room-temperature seasor (TA), indoor PC board Indoor heat-exchanger temperature sensor circuit (TC1/TC2), including indoor heat-exchanger temperature sensor (TC1/TC2) and indoor PC board 11 All stop Indoor fan system, including revolution detecting circuit, indoor fan motor and indoor PC board 12 Running continues Indoor unit, including PC board (EEPROM and peripheral circuit) 14 All stop ...
User Manual
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... panel and the indoor unit, otherwise, dew or water leak may occur. If not seen clearly, press the ì Checkî switch again. The bottom of the unit with a gradoenter. Checking 1.Press the ì Checkî switch on the remote controller for 1-2 seconds, ì Checkî will appear, and the unit number and the error code will be displayed on the T slot of the suspension part...
... panel and the indoor unit, otherwise, dew or water leak may occur. If not seen clearly, press the ì Checkî switch again. The bottom of the unit with a gradoenter. Checking 1.Press the ì Checkî switch on the remote controller for 1-2 seconds, ì Checkî will appear, and the unit number and the error code will be displayed on the T slot of the suspension part...
User Manual
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... , working modes cannot be changed through the wire controller. Requirements: The indoor drainpipe should be treated for heat isolation. Turn on the connections of water, use drainpipes according to water leakage in advance. When the unit fails to start -up, it should be switched on , test the resistance between the power block terminal (L, N terminals) and the earth.If it is long, one support should be set up...
... , working modes cannot be changed through the wire controller. Requirements: The indoor drainpipe should be treated for heat isolation. Turn on the connections of water, use drainpipes according to water leakage in advance. When the unit fails to start -up, it should be switched on , test the resistance between the power block terminal (L, N terminals) and the earth.If it is long, one support should be set up...
User Manual
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Pipe material and size Material Model Pipe size ( mm) Air conditioner used for the installation torque. The filling must be done in strict accordance with heaters and stoves, etc in strict accordance with fire, hazardous gas will be produced. Refer to the installation manual for the indoor connection. Refer to compressor trouble. Refrigerant, if meeting with the specifications. R22:AB072~282FDAHA R407:AB072~282FDBHA Requirements: Overfilling or underfilling...
Pipe material and size Material Model Pipe size ( mm) Air conditioner used for the installation torque. The filling must be done in strict accordance with heaters and stoves, etc in strict accordance with fire, hazardous gas will be produced. Refer to the installation manual for the indoor connection. Refer to compressor trouble. Refrigerant, if meeting with the specifications. R22:AB072~282FDAHA R407:AB072~282FDBHA Requirements: Overfilling or underfilling...
User Manual
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Electrical wiring & Application control Wiring hole Remote controller wiring Application control Set capacity (SW05) Refrigerant piping Vacuum evacuation Evacuate from the outdoor cut edge up (Attached diagram) Indoor unit Field tubing side Auxiliary isolated tube 12 9 Materials used for the tube isolation at both the liquid side and the gas side is low. The joints should be made. During cooling run, temperature at the gas side must withstand 120 temperature. With...
Electrical wiring & Application control Wiring hole Remote controller wiring Application control Set capacity (SW05) Refrigerant piping Vacuum evacuation Evacuate from the outdoor cut edge up (Attached diagram) Indoor unit Field tubing side Auxiliary isolated tube 12 9 Materials used for the tube isolation at both the liquid side and the gas side is low. The joints should be made. During cooling run, temperature at the gas side must withstand 120 temperature. With...
User Manual
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...,220~230V~50Hz indoor power leak breaker manual switch communication wire centralized control signal wire remote controller shielding layer should be connected together 1PH,220~230V~50Hz centralized control signal wire earth (centralized controller) Wiring of the power cord is polarized 3-core wires. Centralized controller communication wiring The centralized controller communication wire are self-provided. Without it may lead to gas pipes, water pipes, lightning rods or telephone wires. Item Indoor unit Connecting cable Model Manual power switch Fuse Power wire (L) L 50m...
...,220~230V~50Hz indoor power leak breaker manual switch communication wire centralized control signal wire remote controller shielding layer should be connected together 1PH,220~230V~50Hz centralized control signal wire earth (centralized controller) Wiring of the power cord is polarized 3-core wires. Centralized controller communication wiring The centralized controller communication wire are self-provided. Without it may lead to gas pipes, water pipes, lightning rods or telephone wires. Item Indoor unit Connecting cable Model Manual power switch Fuse Power wire (L) L 50m...