Haier H2SM-(9+12)HEK03/R2 Service Manual

Also see for H2SM-(9+12)HEK03/R2: Operation manual Installation manual Operation manual Operation manual

Haier H2SM-(9+12)HEK03/R2 Service Manual Manual pdf 64 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") 42N.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.CAUTIONIn case the elevation A is more than 5m,oil trap shoud be installed every 5~7mMax. Length: B1max =15m B2 max =15mMax.Elevation: A1 max =10m A2 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 unitA1B1Indoor unitA2B2Outdoor unitIndoor unitA1B1Indoor unitA2B2Outdoor unitIndoor unitOil trapH2SM-(9+12)HEK03/R2 InstallationDomestic Air Conditioner62