Outdoor unit1.Installation of Outdoor Unit3.Connection4.Attaching Drain-Elbow2.Connection of pipesInstall according toTo bend a pipe, give the roundness as large as possible not to crush the pipe.Connecting the pipe of gas side first makes working easier.The max vertical distance between the indoor unit and the outdoor unit is 5 m.Be careful that matters, such as wastes of sands, etc. shall not enter the pipe.Half unionUse 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.Drain hoseIf the drain-elbow is used, please attach it asfigure.Flare nut Forced fastening without carefulcentering may damage thethreads and cause a leakage of gas.Pipe Diameter Fastening torqueSpanner Torque wrenchNote: Only for heat pump unit.Drawing for the installation of indoor and outdoor unitsLiquid side 6.35mm(1/4") 18N.mGas side 9.52mm(3/8")Gas side 12.7mm(1/2")42N.m55N.m6