28Refrigerant pipe installationSelecting the insulation of refrigerant pipeXX Insulate the gas pipe and liquid pipe by referring to the thickness of insulator for each pipe sizeXX The standard condition is 30°C(86°F), with humidity less than 85% In the conditions of high humidity, use one gradethickerPipe Pipe size [mm (inch)]Insulation(Cooling, Heating)RemarksStandard[30°C (86°F),Below 85%]High humidity[30 °C (86°F),85% or more]EPDM, NBRLiquid pipe Ø6 35 ~ Ø9 52 (1/4 ~ 3/8) 9t Heat resistingtemperature is morethan 120°C (248°F)Ø12 70 ~ Ø50 80 (1/2 ~ 2) 13t Gas pipeØ6 35 (1/4) 13t 19tØ9 52 (3/8)19t 25tØ12 70 (1/2)Ø15 88 (5/8)Ø19 05 (3/4)Ø22 23 (7/8)Insulating refrigerant pipeXX You must insulate refrigerant pipe, Y-joint, header joint, and pipe connection areaXX If you insulate the pipes, the condensed water does not fall from the pipesXX Check if there are any insulation cracks on the bent pipeInsulationInstall the insulation to beoverlappedFix securely without any gapIndoor unitInsulationGas side pipe Liquid side pipeIndoorunitClampPipe insulation Pipe insulation after insulating EEV kit• The insulation of the gas and liquid pipes can be incontact with each other but they should not pressexcessively against each other• When contacting the gas side and liquid side pipe, usethicker insulation• When installing the gas side and liquid side pipes, leave10mm (3/8 inch) of space• When contacting the gas side and liquid side pipe, usethicker insulationInsulationGas pipeLiquid pipeInsulationGas pipe10mm (3/8”)Liquid pipe10mm (3/8”) 10mm (3/8”)AM0@@FXMDCH_IM_EN_03408A(1).indd 28 2013-03-04 오후 4:28:24