7 ConfigurationInstaller reference guide20RZAG35~60A2V1BR32 split series4P540076-1A – 2018.113×112226.9 About the compressorDANGER: RISK OF EXPLOSION▪ Use a pipe cutter to remove the compressor.▪ Do NOT use the brazing torch.▪ Use approved refrigerants and lubricants only.DANGER: RISK OF BURNINGDo NOT touch the compressor with bare hands.7 Configuration7.1 Standby electricity saving function7.1.1 About the standby electricity savingfunctionThis mode turns OFF the power supply of the outdoor unit and setsthe indoor unit into the standby saving mode to reduce the powerconsumption of the unit.This mode is only applicable for outdoor units: RZAG35A,RZAG50A, RZAG60A and indoor units: FTXM.INFORMATIONThe standby electricity saving can ONLY be used for theunits described above.WARNINGBefore connecting or disconnecting the connector, makesure the power supply is turned off.INFORMATIONSelective connector for standby electricity saving isrequired if other than applicable indoor unit is connected.7.1.2 To turn on standby electricity savingfunctionPrerequisite: The main power supply MUST be turned off.1 Remove the service cover.2 Disconnect the selective standby electricity saving connector.3 Turn on the main power supply.8 Commissioning8.1 Overview: CommissioningThis chapter describes what you have to do and know tocommission the system after it is configured.Typical workflowCommissioning typically consists of the following stages:1 Checking the "Checklist before commissioning".2 Performing a test run for the system.8.2 Precautions when commissioningDANGER: RISK OF ELECTROCUTIONDANGER: RISK OF BURNINGCAUTIONDo NOT perform the test operation while working onthe indoor units.When performing the test operation, NOT only the outdoorunit, but the connected indoor unit will operate as well.Working on an indoor unit while performing a test operationis dangerous.CAUTIONDo NOT insert fingers, rods or other objects into the airinlet or outlet. Do NOT remove the fan guard. When thefan is rotating at high speed, it will cause injury.During test operation, the outdoor unit and the indoor units will startup. Make sure that the preparations of all indoor units are finished(field piping, electrical wiring, air purge, ...). See installation manualof the indoor units for details.8.3 Checklist before commissioningAfter the installation of the unit, first check the following items. Onceall below checks are fulfilled, the unit MUST be closed, ONLY thencan the unit be powered up.The indoor unit is properly mounted.The outdoor unit is properly mounted.The system is properly earthed and the earth terminalsare tightened.The fuses or locally installed protection devices areinstalled according to this document, and have NOT beenbypassed.