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.
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. Automatic set when power resumes.
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.
Name of Parts 3 1 4 2 1 Air inlet 2 Air outlet 3 Air inlet 4 Repair panel Note: Do not block the air inlet and air outlet, otherwise the performance of the air conditioner may be lowered.
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.
Installation instruction Installation tools 1.Screwdriver 2. Steel saw 3. Pipe cutter 4. Pipe flarer 5. Knife 6. 70mm diameter drill 7. Leakage detector/soap water 8. Spanner (diameter 17,27mm) 9. Spanner (14, 17, 19, 27mm) 10. Pincers 11. Tape measure 12. Scraper 13. Refrigerant oil 14.Vacuum pump 15. Nitrogen tank Install and fix The following is the manual mentioned standard accessories, please check them by yourself.
Installation instruction When bending the pipes, give the roundness as large as possible, to avoid crashing and flat the pipes. To connect the pipe, fit the center and use hand to screw the nut, as shown in figure: If do not fit the center and screw the nut hard, the screw thread may be damaged, which will cause refrigerant leakage. Pay attention not to let alien matters, such as sand, water get into the pipe. Joint Nut Spanner Spanner Pipe diameter Fasten torque Liquid pipe 9.52mm 32.7~39.9 N.
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.
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.
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.
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.
Electric wiring Other instructions 1.
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.
Troubleshooting Trouble code display Phenomenon of outdoor unit trouble The flashing time of indicator light Indoor control on outdoor control panel panel indication The trouble of outdoor ambient temperature sensor 1 (A, B systems indicate together) E3 2 (A and B system indicate individually) E4 Over electric current protection 5 (A and B system indicate individually) E5 CT wire breaks 6 (A and B system indicate individually) E5 The communication trouble between indoor and outdoor unit 8 (A a
Troubleshooting Before contact the repair center, please check the following circumstances Symptom * Cause Blow out mist or water * The fan motor of outdoor unit automatically stop to perform defrosting. overflow *During * Giving out noise * Not get the needed COOLING or HEATING effect * * * Auto operation, stop * * Not operate * * * * Not get the needed COOLING or HEATING effect.
14 14 Gas and liquid separator Muffler Muffler COOLING operation HEATING operation 4-way switch valve One-way valve Outdoor heat exchanger 4-way switch valve Note: The wiring diagram is pasted inside the unit.