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Haier Network Air Conditioner
Free Combination Multi-split Type Room Air Conditioner
Outdoor unit
AU422BIBAA
CONTENTS
To User
Inside front cover
Safety Precautions
1
Name of Parts 2
Installation Instruction
3-6
Electric Wiring 7-10
Operation and Performance 11
Troubleshooting 12-13
Pipe System Chart 14
No.*0010571564
For the sake of safety and in order to use the air conditioner correctly,
please read this manual and the operation manual of indoor unit carefully
before using
After reading this
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Characteristics of Products Characteristics of Products 1.220~230V normal power, suitable for both commercial use and home use. 2.Free choice of wire control and remote control. 3.Several types of indoor units, free combination of specification. 4.Single outdoor unit, space-saving and cost-saving. 5.Far distance network technology, realize the intelligentized living area (For details, please refer to the manual of indoor unit). 6. POWER FAILURE RESUME FUNCTION. Auto
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Safety Precautions The following lists four kinds of safety precaution items and suggestions: ! Warning: Improper use may cause death or serious injury. ! Notice: Improper use may cause body hurt or unit damage; in some circumstance, it may cause serious results. : Those contents marked with ìProhibitionî are definitely prohibited action, otherwise, it may cause unit damage or risk to usersí safety. : Those contents marked with ìForcedî are definitely forced action, otherwise, it may
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Name of Parts 3 1 4 1 Air inlet 2 Air outlet 2 Air inlet 3 4 Repair panel Note: Do not block the air inlet and air outlet, otherwise the performance of the air conditioner may be lowered. 2
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Installation procedure Install indoor unit 1.Choose installation place The chosen installation place should meet the following requirements and get the userís consent. >30cm Place air can freely circulate. Place can perform level installation. The condensate water can be drained smoothly. Place where the noise and hot air will not disturb the neighbors. >10cm >10cm >15cm Place can ensure the space for successful >60cm maintenance and repair. Place
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*** Installation instruction Installation tools The following is the manual mentioned 1.Screwdriver 2. Steel saw standard accessories, please check them by 3. Pipe cutter 4. Pipe flarer yourself. 5. Knife 6. 70mm diameter drill Name Shape Amount 7. Leakage detector/soap water 1 Putty 8. Spanner (diameter 17,27mm) 4 9. Spanner (14, 17, 19, 27mm) Rubber cushion 10. Pincers 11. Tape measure 1 Refrigerant oil 12. Scraper 13. Refrigerant oil 14.Vacuum
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Installation instruction When bending the pipes, give the roundness as Joint Nut large as possible, to avoid crashing and flat the pipes. To connect the pipe, fit the center and use hand Spanner to screw the nut, as shown in figure: Spanner If do not fit the center and screw the nut hard, the screw thread may be damaged, which will cause refrigerant leakage. Pipe diameter Fasten torque Pay attention not to let alien matters, such as 32.7~39.9 N.m Liquid pipe 9.52mm sand, water get into the pipe.
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Installation instruction 4.Air discharging method According to the method of the Figure shown, discharge the air in the indoor unit and pipe out. (1)Remove the valve cap of little stop valve of the outdoor unit. (2)Loosen the thick flare screw nut connected to big stop valve for about 1~1.5 circle. (3)Use spanner (hexagon spanner) open (turn anti-clockwise) the valve core of little stop valve for 90*, after the gas will discharge from the thick flare
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Electric wiring Warning The wiring work should commissioned to a qualified worker according to the installation manual to perform. The air conditioner must use special power circuit. Insufficient power capacity or improper work may cause electric shock and fire. When wiring, the power cable must use the specified cable to firmly connect and fix. Do not let the external force of the cable transfer to the terminal block. Improper connection or fixation may cause heat and fire, etc. accident. Must
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Electric wiring Instruction of wiring Note: The air conditioner must use the special power circuit (Over 40A). The wiring method must be done by the qualified electrician according to the national wiring rules. The grounding line and the null line of the receptacle must be strictly separated. It is incorrect to connect the null line with the grounding line. When connecting the indoor & outdoor wire, check the number of the indoor & outdoor terminals, the termin
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Electric wiring Wiring method 1.The wiring method of orbicular terminal For the connection wire which end is orbicular terminal, its wiring method is as the right figure shown. Dismantle the screw and put it through the ring at the end of the connection wire, then connect it to the terminal block and tighten the screw. The wiring method of orbicular terminal 2.The wiring method of straight terminal For those connection wires whose en
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Electric wiring Other instructions 1. Safety checking * **If the joint of pipe leaks? **How about the thermal insulation of the joint of the pipe? **If the electric wire connection of the indoor and outdoor unit is inserted **firmly in the wiring board? **If the electric wire connection of the indoor and outdoor unit is fixed firmly? **If the arrangement of the drain hose correct? **If the connection of grounding wire is firm? **If the power voltage is complied with the electric specific
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Operation and performance 3 minutes delay function If start the unit immediately after its stop, the compressor will operate after 3 minutes have elapsed to protect the unit. The characteristic of HEATING operation During operation, if the outdoor temperature is too high, the fan motor of outdoor unit will automatically change to low fan speed. About Defrosting operation in Heating operation During HEATING operation, when the outdoor unit frosts, in order to enhance
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Troubleshooting Trouble code display The flashing time of indicator light Indoor control Phenomenon of on outdoor control panel panel indication outdoor unit trouble The trouble of outdoor ambient 1 (A, B systems indicate together) E3 temperature sensor The trouble of outdoor coil 2 (A and B system indicate individually) E4 temperature sensor 5 (A and B system indicate individually) Over electric current protection E5 6 (A and B system indicate individually) CT wire breaks E5 The communication t
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Troubleshooting Before contact the repair center, please check the following circumstances Symptom Cause * * The fan motor of outdoor unit automatically stop to Blow out mist or water overflow perform defrosting. *During operation, in operation and shortly after unit stop, there is a sound of water flow; within 2~3 * Giving out noise minutes after operation start, sometimes the sound becomes larger, this is the sound of refrigerant flowing and drainage of condensate water. *
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Pipe system chart 14 14 Outdoor unit Indoor unit Gas and 4-way liquid switch valve separator Outdoor heat Stop valve Indoor heat exchanger exchanger Compressor Muffler One-way valve Muffler 4-way Compressor switch valve Indoor heat exchanger Gas and liquid separator COOLING operation HEATING operation Note: The wiring diagram is pasted inside the unit.
