Carrier Puron 38GLS-07G-703EC-40 Installation Manual

Contents

GB - 1138GLS…G / 38YL-…G PuronE N G L I S HUnit maintenanceThe following maintenance operations must be carried out byqualified personnel.Cleaning the coilWhen necessary, proceed as follows for more careful cleaning ofthe coil:Switch the mains supply OFF.Remove unit top cover by loosening holding screws and liftingthe cover.Carefully clean the coil with a vacuum cleaner from inside to outside.With the same vacuum cleaner, dust the inside of the fancompartment and the fan blades. Avoid any damage to the bladeswhich may cause future vibrations and noise.Replace the unit cover and tighten the screws.After long shutdown periods and at commissioning(for heat pump models only)Energize the system by putting the main switch to ON withoutstarting the unit. (Remote control must be in the OFF position).Do not disconnect the main switch during the unit operating season.Check the refrigerant charge and unit maintenanceRefrigerant charge controlHeat pump unitCooling only unitCooling cycleHeating cycleGasLiquid + GasLiquidTe Ta245677810311718Te Ta2116141618 101512475717813Ti2116141618 1015124757178131Legend: Outdoor coil Compressor Metering device Strainer Vapor valve Liquid valve Service pressure port Additional pressure portIndoor unit coilLiquid distributorCooling metering deviceHeating metering device Additional suction accumulator Reversing valve Outdoor coil sensor Crankcase heater Discharge muffler