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R410A MULTI SPLIT SERIES ROOM AIR CONDITIONER
OUTDOOR UNIT
INSTALLATION MANUAL
AU282XHERA
AU342XHERA
NO.0010577255
A
Please read this manual carefully before installing the units.
Please keep this manual safely for future use.
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Contents Cautions ....................................................................................................................... 1-2 Safety precautions........................................................................................................ 3-4 Installation accessories.................................................................................................. 4 Choose the installation place.............................................................................
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Cautions Consult your local authorities for the name and Disposal of the old air conditioner address of the waste materials collecting centers and Before disposing an old air conditioner that goes waste paper disposal services nearest to your house. out of use, please make sure it's inoperative and safe. Unplug the air conditioner in order to avoid Safety Instructions and Warnings the risk of child entrapment. Before starting the air conditioner, read the information given in the User's Guide ca
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Cautions All electrical repairs must be carried out by 4. The wiring method should be in line with the local qualified electricians. Inadequate repairs may result wiring standard. in a major source of danger for the user of the air conditoiner. 5. The power cable and connecting cable are self- provided. All the cables shall have got the local Do not damage any parts of the air conditioner authentication certificate. During installation, when that carry refrigerant by piercing or perforating
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Safety precautions To ensure proper installation, please read this safety precautions carefully before the installation. After installation, start the unit correctly and ensure that you show the customer how to operate and maintain the units. Incorrect operations may result in severe consequences of death or serious injuries. WARNING! CAUTION! Incorrect operations may result in injuries or machine damages; in some cases may cause serious consequences. WARNING Installation work must be carried ou
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Safety precautions (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. Installation accessories The following accessories are supplied together with the outdoor unit. No. Drawing Name of parts Quantity 1 Drainage elbow 1 2 Rubber cushion 4 3 Clap 1 Choose the installation place Place, robust not causing vibration,
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more than 10cm more than 25cm More than 10cm Installation drawings of indoor and outdoor units 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. 2.It is impossible to connect the indoor unit for one room only. Be sure to connect at least 2 rooms. Arrangement of piping directions Rear l
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Matching of the indoor and outdoor units WARNING! Combinations those marked * would not be applied where the temperature in winter is too low and in summer is too higher to avoid bad heating or cooling effect. For AU282XHERA Remark Combination A B C D 07 18 - - - 09 18 - - - 12 14 - - - 1:2 12 18 - - - 14 14 - - - 14 18 - - - 18 18 - - * 07 07 12 - - 07 07 14 - - 07 07 18 - - 07 09 09 - - 07 09 12 - - 07 09 14 - - 07 09 18 - * 09 09 09 - - 09 09 12 - - 1:3 09 09 14 - - 09 09 18 - * 09 12 12 - -
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Matching of the indoor and outdoor units For AU342XHERA Remark Combination A B C D 12 18 - - - 14 14 - - 1:2 - 14 18 - - 18 18 - - - * 07 07 14 - - 07 07 18 - - 07 09 12 - - 07 09 14 - 07 09 18 - - - 09 09 09 - - 09 09 12 - - 09 09 14 - - 09 09 18 - 1:3 09 12 12 - * - 09 12 14 - - 12 12 12 - * 12 12 14 - * 12 12 18 - 12 14 14 - * * 12 14 18 - * 14 14 14 - * 14 14 18 - 07 07 07 09 * - 07 07 07 12 - 07 07 07 14 - 07 07 07 18 * 07 07 09 09 07 07 09 12 - - 07 07 09 14 * 07 07 09 18 * 07 07 12 12 * 0
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Power source Before inserting power plug into receptacle, check the voltage without fail. The power source is the same as the corresponded name plate. Install an exclusive branch circuit of the power. A receptacle shall be set up in a distance where the power cable can be reached. Do not extend the cable by cutting it. Limitations on the installation 1.Precautions on installation Check the strength and level of the installation ground so that unit will not cause any operating vibration or noise
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Limitations on the installation 3. Limitations values on the piping work . L1 A h L2 B H + L3 C H - L4 D The piping length information, please refer the following table. Item Unit Descriptions Standard Maximum A, B, C,D liquid pipe mm Size of the liquid side connection pipe 6.35 / A, B, C,D Gas pipe mm Size of the gas side connection pipe / 9.52 L1 (one way) m Pipe length when the compressor connects with two indoor units 10 25 L2 (one way) m Pipe length when the compressor connects with two i
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Refrigerant piping work 1. Selection of pipe To this unit, both liquid and gas pipes shall be insulated as they become low temperature in operation. Use optional parts for piping set or pipes covered with equivalent insulation material. Liquid pipe 6.35mm ( 1/4'' ) x 0.8mm Gas pipe 9.52mm ( 3/8'' ) x 0.8mm 2. Connection of pipe Apply refrigerant oil on half union and flare nut. To bend a pipe, give the roundness as large as possible not to crush the pipe. Connecting the pipe of gas side firstly
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Refrigerant piping work 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. A Size A (mm) Pipe diameter* Liquid side 6.35mm(1/4") 0.8~1.5 Gas side 9.52mm(3/8") 1.0~1.5 Flare tooling die Correct Incorrect Lean Damage of flare Crack Partial Too outside 5.On drainage Please install the drain hose so as to be downward slope without fail. Please don't do the drainage as shown below. L
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Purging method: to use vacuum pump Liquid stop valve Gas stop valve 1 .Detach the service portis cap of 3-way valve, the valve 2 way valve rod's cap for 2-way valve and 3-way valves, connect the 3 way valve Gauge maifold(R410A) service port into the projection of charge hose (low) for gaugemanifold. Then connect the projection of charge hose (center) for gaugemanifold into vacuum pump. Vacuum pump(R410A) 2 .Open the handle at low in gaugemanifold, operate vacuum pump. If the scale-moves of gaus
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Wiring work 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. The electric leakage breaker must be installed. All the electric wire must be copper wire.When wiring,there shall keep a proper distance between the power line and communication wire to
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Wiring work Crimp connection method for connection wire After connection,the wire must be fastened by wire cover. The wire cover shall press on the protection coat of the connection wire,as shown in right top figure. Note:When connecting the wiring,confirm the terminal number of indoor and outdoor units carefully. Incorrect wiring will damage the controller of air conditioner or the unit can not operate. 3. Wiring method of outdoor unit: Power line Remove the repair board of the outdoor unit a
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Wiring work 5. Example wiring diagram. Indoor unit A Indoor unit D Indoor unit C Indoor unit B 1(L) 2(N) P Q 3 4 3 4 1(L) 2(N) C1 C2 1(L) 2(N) 1(L) 2(N) Power supply cable: C1 C2 H05RN-F 3G (5.0~8.0)mm2 L (P) (Q) N Communication cable (Shield wire): H05RN-F 2 X (0.75~1.5)mm2 Connecting cable: H05RN-F 3G (1.5~2.5)mm2 30A Outdoor unit 1PH, 220-230V~, 50Hz Please refer to the indoor unit installation manual to find detailly how to set and check the communication address. Incorrect address s
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Test 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. Make sure that all the stop valves are fully open. Check the voltage supplied to the outdoor and indoor units, please cinfirm that is 230V. Test running. 1) If the temperature is lower than 16 OC, it is
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Trouble shooting FAILURE STATE OF TROUBLE POSSIBLE REASONS CODE LED 5-4-3-2-1 SHOOTING 1 Faulty defrost sensor Te Sensor disconnected, or broken, or short circuit 2 Faulty sensor Tao Sensor disconnected, or broken, or short circuit 3 Faulty sensor Ts Sensor disconnected, or broken, or short circuit 4 Faulty sensor Td Sensor disconnected, or broken, or short circuit Over current of the system, or broken of the current 5 Input overcurrent sensor,or malfunction with indoor or outdoor fan motors, o
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HAIER GROUP Qingdao Haier Air Conditioner Electric Co., Ltd. Address: Haier Garden, Qianwangang Road, Economic Development Zone, Qingdao, Shandong 266555, P.R.China Web Site: http://www.haier.com
