17ENGLISHPipe installation for an outdoor unitPipe directionThe refrigerant pipe can be pulled out from front, flank, rear, and bottom side, so install it depending on the installation siteconditionCaution for using knock-out hole• Make sure not to damage the exterior of the outdoor unit• Remove all burrs at the edge of the knock-out hole and apply the paints it to preventrust• Use a cable tube and bushing to prevent a cable from being damaged when passingthrough a knock-out hole• After installing pipes, block the unused knock hole to prevent small animal fromentering However, the radiant heat hole (A) should be able to intake airCAUTIONCaution for connecting the pipe• When brazing the pipe, the unit may get damaged by a brazing fire and aflame Use a flame proofing cloth to protect the unit from a brazing fire orflame• The O-ring and Teflon packing inside service valve may get damaged by abrazing fire Wrap the bottom side of the service valve with a wet cloth andbraze it as shown above Make sure not to interrupt the brazing with thedrips from the wet cloth• The connecting pipes of liquid side and gas side should not contact eachother nor should they contact to the product Vibration may cause damageto the pipesCAUTIONHigh pressure(Liquid side)Low pressure(Gas side)Outdoor unit refrigerant pipe connectionClassification Front, flank, rear side of pipe connection Bottom side of pipe connectionWorking process• First, remove the pipe cover from unit• Separate the knock-out hole to use If thehole is open, small animals such as squirrelsand rats may get into the unit through thehole and the unit may be damaged• Separate the knock-out hole at the bottomside of the unit and install the pipe• After installing and insulating the pipe,close up the remaining gap If the gapremains open, small animals such as ratsand squirrels may get inside the unit andcause damage to the unitAM0@@FXMDCH_IM_EN_03408A(1).indd 17 2013-03-04 오후 4:28:17