SiBE041213E Field SettingsTips for Servicing 1083.3 Standby Electricity SavingOutline This function turns power supply OFF to the outdoor unit and sets the indoor unit into standbyelectricity saving mode, thus reducing the power consumption of the air conditioner.Detail For 35/50 class models, following procedure is required for turning ON the function.1. Check that the main power supply is turned OFF. Turn OFF if it has not been turned OFF.2. Remove the stop valve cover.3. Disconnect the selective connector for standby electricity saving.4. Turn ON the main power supply.35 class50 classCaution Before connecting or disconnecting the selective connector for standby electricity saving, makesure that the main power supply is turned OFF.3.4 Facility Setting Jumper (cooling at low outdoortemperature)Outline This function is limited only for facilities (the target of air conditioning is equipment (such ascomputer)). Never use it in a residence or office (the space where there is a human).35 Class You can expand the operation range to –15°C by cutting the jumper on the outdoor unit PCB. Ifthe outdoor temperature falls to –20°C or lower, the operation stops. If the outdoor temperaturerises, the operation starts again.Main PCB1 2 31 2 3(R18981)Function ONFunction OFF(factory set)(R18926)Function ONFunction OFF(factory set)S70S40S2S90J5J4J3(R18253)Cut the jumper J4.