Haier HDU-24H03/H Instruction Manual

Haier HDU-24H03/H Instruction Manual Manual pdf 27 page image

INSTALLATION MANUAL FOR OUTDOOR UNIT26(2) Wiring connection6. Test runWARNINGMake wiring to supply power to the outdoor unit, so that the power for the indoor unit is supplied by* and * terminals.DO NOT CONNECT THE NEUTRAL WIRE TO , OR PHASE. INTERCONNECT-ING WIRES MUST BE WIRED WITH SAME SYMBOLS ON THE TERMINALS OF BOTHINDOOR AND OUTDOOR UNIT.INCORRECT WIRING CAUSE EQUIPMENT DAMAGE ORA FIRE.N R S T(3) Wiring procedure1) Remove set screws on the side before taking off the front panel toward the direction shown infigure.2) Connect wires to the terminal block correctly and fix the wires with a wire clamp equipped nearby the terminal block.3) Route the wires in a proper way and penetrate the wires through the opening for electric wiringon the side panel.Front panelOpening forelectric wiring(1) Before starting test run (for all Heat pump models)Confirm whether the power source breaker (main switch) of the unit has been turned on for over 12hrs to energize the crankcase heater in advance of operation.(2) Test runRun the unit continuously for about 30 minutes, and check the following.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.CAUTIONTHIS UNIT WILL BE STARTED INSTANTLY WITHOUT "ON" OPERATION WHEN ELECTRICPOWER IS SUPPLIED.BE SURE TO EXECUTE "OFF" OPERATION BEFORE ELECTRIC POWER IS DISCONNECTEDFOR SERVICING.This unit has a function of automatic restart system after recovering power stoppage.1TB1123TB2 123TBLNOutdoorunitCircuit breakerEarth leakagebreakerIndoorunitHIGH VOLTAGEInterconnectingwiresInterconnectingwires2TB1123TB2 123TBRSTNOutdoorunitCircuit breakerEarth leakagebreakerIndoorunitHIGH VOLTAGEHDU-24H03/HHDU-28H03/HHDU-42H03/H