Samsung APH450PG Service Manual

Also see for APH450PG: Owner's instructions Owner's instructions

Contents

Operating instructions and Installation3-11Samsung ElectronicsAir purge(at the time of new installation only)Close the gas pipe side valve by turning itclockwise.Connect the pressure gauge to the lowpressure side service valve, and then openthe gas pipe side valve again.Connect it to the refrigerant filling tank.(Turn the tank upside down : Fill the refrigerantin liquid form.)Start cooling operation.Open the tank and refill the refrigerantuntil arriving at the proper pressure.(Refill the refrigent slowly checking the pressure.)Check the pressure of the pressure gauge.Check whether the low pressure side is withinthe range of 4.5~5.5kg/cm2G(outside temperature 35°C).Stop operation.Close the gas pipe side valve, and loosenthe pressure gauge connected.Then open the gas pipe side valve again.Tighten the cap of each valve usinga specified tool.OUTDOOR UNITGas pipe sideLiquidpipe side3-4-3(i) Refrigerant Charging