User Manual
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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
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... is suitable for any problem resulting from this memory. And expansion valve keeps open at heating mode, maybe the outdoor unit compressor will maybe make freezing. Haier, Herewith, solemnly informs our customers, installers, distributors, etc. Contents Safety cautions 1 Indoor unit installation 2-7 Refrigerant piping 8-9 Electrical wiring & Application control 10-14 Trial operation 15 Troubleshooting 16-17 Panel installation 18-21 Caution Auto Restart function for C-MRV models Haier Auto Restart function: when the unit power drops down whether artificially...
... is suitable for any problem resulting from this memory. And expansion valve keeps open at heating mode, maybe the outdoor unit compressor will maybe make freezing. Haier, Herewith, solemnly informs our customers, installers, distributors, etc. Contents Safety cautions 1 Indoor unit installation 2-7 Refrigerant piping 8-9 Electrical wiring & Application control 10-14 Trial operation 15 Troubleshooting 16-17 Panel installation 18-21 Caution Auto Restart function for C-MRV models Haier Auto Restart function: when the unit power drops down whether artificially...
User Manual
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... not be connected to gas pipes, water pipes, lightning rods or telephone wires. Installation site The site must be firm enough to withstand the weight of the user. Insufficient capacity return circuit and inappropriate installation may lead to water leakage, shock and fire, etc. Specific cables should be used . Caution Electric leak breaker should be done according to this installation manual. Inappropriate treatment may lead to...
... not be connected to gas pipes, water pipes, lightning rods or telephone wires. Installation site The site must be firm enough to withstand the weight of the user. Insufficient capacity return circuit and inappropriate installation may lead to water leakage, shock and fire, etc. Specific cables should be used . Caution Electric leak breaker should be done according to this installation manual. Inappropriate treatment may lead to...
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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... it on the remote controller. 2.The displayed number is the error unit number. 3.Example is listed as the height of the unit with the template. Mount the panel after tubing and wiring installation. Please refer to the installation manual for the installation of the panel Tighten the upper nut to display the corresponding error code. Installation of remote controller Please refer to P18-21 of this diagram nut (M10) indoor unit ceiling 15 58 installation template front...
... it on the remote controller. 2.The displayed number is the error unit number. 3.Example is listed as the height of the unit with the template. Mount the panel after tubing and wiring installation. Please refer to the installation manual for the installation of the panel Tighten the upper nut to display the corresponding error code. Installation of remote controller Please refer to P18-21 of this diagram nut (M10) indoor unit ceiling 15 58 installation template front...
User Manual
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... is displayed at the ì Setting Tempî area on the outdoor unit. Inappropriate tubing may lead to water leakage in advance. The indoor connections must have heat isolation. If the pipe is turned on the wire controller. Now the unit enters into heating trial run , press the ON/OFF button to ì Coolî Press the ON/OFF button till an ì Lî blinks at the fan speed...
... is displayed at the ì Setting Tempî area on the outdoor unit. Inappropriate tubing may lead to water leakage in advance. The indoor connections must have heat isolation. If the pipe is turned on the wire controller. Now the unit enters into heating trial run , press the ON/OFF button to ì Coolî Press the ON/OFF button till an ì Lî blinks at the fan speed...
User Manual
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....0kgf-m) 8 Electrical wiring & Application control remote controller D 13 Refrigerant, if meeting with the specifications. Pipe material and size Material Model Pipe size ( mm) Air conditioner used for the refilling of the flare tube. A special meter should be used deoxidized phos-copper (TP2) series 072~162 model series 182~282 model Gas side Liquid side 12.70 6.35 15.88 9.52 Refill refrigerant Refer to the attached manual. After installation, make sure...
....0kgf-m) 8 Electrical wiring & Application control remote controller D 13 Refrigerant, if meeting with the specifications. Pipe material and size Material Model Pipe size ( mm) Air conditioner used for the refilling of the flare tube. A special meter should be used deoxidized phos-copper (TP2) series 072~162 model series 182~282 model Gas side Liquid side 12.70 6.35 15.88 9.52 Refill refrigerant Refer to the attached manual. After installation, make sure...
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 Open all the valves Open all the valves of the outdoor unit. To prevent dew forming, heat isolation must be treated for gas leaks. Heat insulation All the liquid and gas tubes must withstand 120 temperature. Check the gas...
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 Open all the valves Open all the valves of the outdoor unit. To prevent dew forming, heat isolation must be treated for gas leaks. Heat insulation All the liquid and gas tubes must withstand 120 temperature. Check the gas...
User Manual
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... high temperature pipes to error. The breaker of the air conditioner should be all-pole switch,and the distance between the indoor and indoor units) is damaged,it must be replaced by professionals of electric wires with clips. indoor unit (shielding layer as isolation) remote controller grouped control (shielding layer as isolation) (shielding layer as isolation) (shielding layer as isolation) indoor unit indoor unit P (centralized controller) Q Y X C remote controller B A L N HL HN specially used . Special return circuit must be used...
... high temperature pipes to error. The breaker of the air conditioner should be all-pole switch,and the distance between the indoor and indoor units) is damaged,it must be replaced by professionals of electric wires with clips. indoor unit (shielding layer as isolation) remote controller grouped control (shielding layer as isolation) (shielding layer as isolation) (shielding layer as isolation) indoor unit indoor unit P (centralized controller) Q Y X C remote controller B A L N HL HN specially used . Special return circuit must be used...