Haier HSU-07HRA03 Installation Manual

Also see for HSU-07HRA03: Operation manual

Contents

Haier HSU-07HRA03 Installation Manual Manual pdf 6 page image

Outdoor unit1.Installation of Outdoor Unit2.Connection of pipesInstall according to Drawing for the installation of indoor and outdoor unitsHalf union Flare nut Forced fastening without carefulcentering may damage thethreads and cause a leakage ofgas.Pipe Diameter Fastening torqueSpanner Torque wrenchLiquid side 6.35mm(1/4") 18N.mGas side 9.52mm(3/8")Gas side 12.7mm(1/2")42N.m55N.mBe careful that matters, such as wastes of sands, etc. shall not enter the pipe.The standard pipe length is 5m. If it is over 5m, the function of the unit will be affected. If the pipe hasto be lengthened, the refrigerant should be charged, according to 20 g/m. But the charge of refrigerantmust be conducted by professional air conditioner engineer. Before adding additional refrigerant,perform air purging from the refrigerant pipes and indoor unit using a vacuum pump,then chargeadditional refrigerant.3.ConnectionUse the same method on indoor unit. Loosenthe screws on terminal block and insert theplugs fully into terminal block, then tighten thescrews.Insert the cable according to terminal numberin the same manner as the indoor unit.If wiring is not correct, proper operation cannot be carried out and controller may bedamaged.Fix the cable with a clamp.4.Attaching Drain-ElbowIf the drain-elbow is used, please attach it asfigure.Note: Only for heat pump unit. Drain hoseDrain elbow6CAUTIONIn case the elevation A is more than 5m,oil trap shoud be installed every 5~7mMax. Length: Bmax =15mMax.Elevation: A max =10mIn case the pipe length B is more than 5m,the refrigerant should be charged, according to 20 g/m.In case A is more than 5mABOutdoor unitIndoor unitABOutdoor unitIndoor unitABOutdoor unitIndoor unitOil trapTo bend a pipe, give the roundness as large as possible not to crush the pipeConnecting the pipe of gas side first makes working easier.