Instruction/ maintenance manual of the product AU342XHERA Haier
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R410A MUL TI SPLIT SERIES ROOM AIR CONDITIONER OUTDOOR UNIT INST ALLA TION MANUAL AU282XHERA AU342XHERA Please read this manual carefully before installing the units.
Cautions ....................................................................................................................... Safety precautions........................................................................................................
Cautions 1 Disposal of the old air conditioner Before disposing an old air conditioner that goes out of use, please make sure it's inoperative and safe. Unplug the air conditioner in order to avoid the risk of child entrapment. It must be noticed that air conditioner system contains refrigerants, which require specialized waste disposal.
4. The wiring method should be in line with the local wiring standard. 5. The power cable and connecting cable are self- provided. All the cables shall have got the local authentication certificate. During installation, when the connecting cables break off, it must be assured that the grounding wire is the last one to be broken off.
3 Safety pr ecautions All units shall be earthed. The earth must not be connected to a gas pipe, water pipe, or telephone line. Poor earthing could cause electric shock. Be sure to install a circuit breaker to avoid electric shock. Arrange water drainage according to this manual.
4 (c) Where there is strong radiation. It will affect the unit's control system, causing malfunction of the unit. (d) Where there are flammable gas, dirt, and volatile matter (thinner , gasoline) exist, these items will cause a fire risk. The following accessories are supplied together with the outdoor unit.
5 1. Do not connected the embedded branch piping and the outdoor unit when only carrying out piping work without connecting the indoor unit in ordor to add another indoor unit later . Make sure no dirt or mositure gets into eigher side of the embedded branch piping.
6 Matching of the indoor and outdoor units Remark 07 09 12 12 14 14 18 07 07 07 07 07 07 07 09 09 09 09 09 09 12 12 12 12 12 14 07 07 07 07 07 07 07 07 07 07 07 07 07 09 09 09 09 09 09 A B 18 18 14 18.
7 Matching of the indoor and outdoor units Remark 12 14 14 18 07 07 07 07 07 09 09 09 09 09 09 12 12 12 12 12 14 14 07 07 07 07 07 07 07 07 07 07 07 07 07 07 07 07 07 09 09 09 09 09 09 09 12 A B 18 14.
8 Outdoor unit capacity class Piping to each indoor unit T otal length of liquid piping between all units AU282XHERA AU342XHERA 25m max. 60m max. 2.Selecting a location for installation of the indoor units 1.Precautions on installation Before inserting power plug into receptacle, check the voltage without fail.
9 The piping length information, please refer the following table. Descriptions Standard A, B, C,D liquid pipe A, B, C,D Gas pipe mm Item Maximum Unit L1 (one way) L2 (one way) L3 (one way) h H + H - .
10 Refrigerant piping work Forced fastening without careful centering may damage the threads and cause a leakage of gas. Pipe Diameter ( ) Fastening T orque Liquid Side 6.35mm (1/4'') 18N.m Gas Side 9.52mm (3/8'') 50N.m 3. Attaching Drain-Elbow If the drain-elbow is used, please attach it as figure.
1 1 4.Cutting and Flaring work of piping Pipe cutting is carried out with a pipe cutter and burs must be removed. After inserting the flare nut, flaring work is carried out. Less than 5cm It becomes high midway . The end is immersed in water It waves.
12 In case of gas leakage, tighten parts of pipe connection. If leakage stops, then proceed 6 steps. 9.52mm (3/8") 6.35mm (1/4") 9.52mm (3/8") 6.
1. Electric wiring Note: The air conditioner must use special circuit , and wiring by the qualified electrician according to the wiring rules specified in national standard. The grounding wire and the neutral wire shall be strictly separated. Connect the neutral wire with grounding wire is incorrect.
14 3. W iring method of outdoor unit: Loosen wire cover and connect the power line and communication wire of indoor unit to the terminal correspondingly . Note: When connecting power line to power supply terminal, please pay attention to the following items: Do not connect the power line with different dimensions to the same connection wire end.
15 5. Example wiring diagram. Please refer to the indoor unit installation manual to find detailly how to set and check the communication address. Incorrect address setting will cause abnormal to the system. 6. After installation, please fill in the following table for easy daily maintenance: Indoor unit NO.
16 Items to confirm T est running Before starting the test running, please confirm the following works have been done successfully . 1) Correct piping work; 2) Correct wiring work; 3) Correct match of indoor and outdoor unit; 4) Proper recharge of refrigerant if needed; 5) Correct indoor unit addresses setting.
17 T rouble shooting F AILURE CODE ST A TE OF LED 5-4-3-2-1 TROUBLE SHOOTING POSSIBLE REASONS DC fan motor fault Fan is blocked, or the terminal is disconnected from the PCB Faulty 4-way valve switchi.
HAIER GROUP Qingdao Haier Air Conditioner Electric Co., Ltd. Address: Haier Garden, Qianwangang Road, Economic Development Zone, Qingdao, Shandong 266555, P .
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