Haier 1051 Installation Manual

Contents

Haier 1051 Installation Manual Manual pdf 6 page image

Outdoor unit1.Installation of Outdoor Unit2.Connection of pipesInstall according toTo bend a pipe, give the roundness as large as possible not to crush the pipe ,and the bending radiusshould be 30 to 40 mm or longer.Connecting the pipe of gas side first makes working easier.The connection pipe is specialized for R410A.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.CAUTIONIn case more than 5mOil trap shoud be installed every 5~7mMax. Length:A=20mMax.Elevation:10m no more gas if the length of connecting pipe is less than35mAOutdoor unitIndoor unitOutdoor unitIndoor unitOil trap3.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 elbow6