Haier AU282AHAFA [10/14] Installation procedure

Содержание

• Installation instructions 1
• Outdoor unit 1
• Room air conditioner 1
• Name of parts 2
• Carefully read the following information in order to operate the airconditioner correctly 3
• Safety cautions 3
• Warning 3
• Earthing 4
• Earthing wire should not be con nected to the gas pipe water pipe lightning rod or phone line in correct earthing may cause shock 4
• If conditioner is installed in a small room be sure to take every measure in order to prevent suffocation accident even in case of refrigerant leakage 4
• Incorrect installation may cause water leak electrical shock and fire hazard 4
• Incorrect installation may cause water leaking electrical shock and fire hazard 4
• Incorrect pipe use may cause water leaking 4
• It easily cause electrical shock without circuit breaker 4
• May not use wire or any other materials replacing fuse other wise may cause faults or fire accidents 4
• Otherwise will be shocked 4
• Safety cautions 4
• The falling of goods and people may cause accidents 4
• Warning 4
• Accessories 5
• Installation procedure 5
• Selection of the place of installation 5
• Installation of outdoor unit 6
• Installation procedure 6
• 1 outline piping 8
• Installation of outdoor unit 8
• Installation procedure 8
• Refrigerant piping 8
• 2 piping size 9
• 3 limitations for one way piping length and vertical height difference 9
• 4 piping connection 9
• Installation procedure 9
• Refrigerant piping 9
• Air discharging method 10
• Check if the pressure drops 10
• Installation procedure 10
• Charging amount of refrigerant 11
• Installation procedure 11
• Piping and indoor unit vacuumizing 11
• Refrigerant piping 11
• 1 selection of size of power supply and interconnecting wires 12
• 2 wiring connection 12
• A warning 12
• Au182afaea au182afmea au182afafa au182afmfa 12
• Au282ahafa 12
• Danger of bodily injury or death 12
• Electric wiring 12
• Electric wiring work should be conducted only by authorized personnel do not connect more than three wires to the terminal block always use round 12
• Installation procedure 12
• Make wiring to supply power to the outdoor unit so that the power for the indoor unit is supplied by terminals 12
• Precautions for electric wiring 12
• Turn off electric power at circuit breaker or power source before making any electric connections ground connections must be completed before making line voltage connections 12
• Type crimped terminal lugs with insulated grip on the ends of the wires 12
• Use copper conductor only select wire sizes and circuit protection from table below this table shows 20 m length wires with less than 2 voltage drop 12
• Installation procedure 13
• A caution 14
• Electric wiring 14
• Installation procedure 14
• Run the unit continuously for about 30 minutes and check the following 14
• Suction pressure at check joint of service valve for gas pipe discharge pressure at check joint on the compressor discharge pipe temperature difference between return air and supply air for indoor unit 14
• Test run 14
• This unit will be started instantly without on operation when electric power is supplied be sure to execute off operation before electric power is disconnected for servicing 14
• Trouble display 14

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Installation Procedure Refrigerant piping 5 Air discharging method After finishing connection of refrigerant pipe it shall perform air tightness test The air tightness test adopts nitrogen tank to give pressure according to the pipe connection mode as the following figure shown The gas and liquid valve are all in close state In order to prevent the nitrogen entering the circulation system of outdoor unit tighten the valve rod before giving pressure both gas and liquid valve rods Low pressure peizometer High pressure peizometer 3 way valve totally closed Gas side Indoor Outdoor Completely tight med Comp etely tight ned ba Flare part CjMeter separator ng valve Flare part Manhole Dropping valve Nitrogen tank Indoor units Outdoor units 2 way valve totally closed Liquid side First step 0 3MPa 3 0kg cm2g pressurize over 3 minutes Second step 1 5Mpa 15kg cm2g pressurize over 3 minutes Large leakage will be found LINE PRESSURE GAUGE CYLINDER PRESSURE GAUGE TUBING BRING BRAZED SWEAT JOINT Third step 3 0 MPa 30kg cm2g pressurize about 24 hours Little leakage will be found LARGE SLIP ON CONNECTOR SERVICE HOUSE Check if the pressure drops The pressure does not drop passed The pressure drops check the leaking point From pressurizing to 24 hours later each 1 C difference of ambient temperature will make 0 01MPa 0 1kg cm2g pressure change It shall be corrected during test Checking the leaking point In the first to third test steps if the pressure drops check the leakage in each joint use sense of hearing feeling and soap water etc methods to find the leaking point After confirming the leaking point welding it again or tighten the nut tightly again 9 CYLINDER OF NITROGEN