Haier HSU-24HEA03/R2 - annexe 3 Installation Manual

Also see for HSU-24HEA03/R2: Operation manual Operation manual Operation manual Operation manual Installation manual

Contents

6Apply refrigerant oil on half union and flare nut.Drain hoseOutdoor unit1.Installation of Outdoor Unit2.Connection of pipesInstall according to Drawing for the installation of indoor and outdoor unitsTo bend a pipe, give the roundness as large as possible not to crush the pipeConnecting the pipe of gas side first makes working easier.Half union Flare nutSpanner Torque wrench3.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.Be careful that matters, such as wastes of sands, etc. shall not enter the pipe.The standard pipe length is 7.5m. If it is over 10m, the function of the unit will be affected. If the pipe hasto be lengthened, the refrigerant should be charged, according to 50 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.Forced fastening without carefulcentering may damage thethreads and cause a leakage of gas.Pipe Diameter Fastening torque42 N.mGas side 15.88mm(5/8") 60 N.mLiquid side 9.52mm(3/8")Liquid side 6.35mm(1/4") 18N.mGas side 12.7mm(1/2") 55N.mCAUTIONIn case the elevation A is more than 5m,oil trap shoud be installed every 5~7mMax. Length: Bmax =25mMax.Elevation: A max =15mIn case the pipe length B is more than 10m,the refrigerant should be charged, according to 50 g/m.In case A is more than 5mABOutdoor unitIndoor unitABOutdoor unitIndoor unitABOutdoor unitIndoor unitOil trap