Tips for Servicing SiUS041501E103 Trial Operation and Field Settings1. Tips for Servicing1.1 Pump Down OperationOutline In order to protect the environment, be sure to conduct pump down operation when relocating ordisposing of the unit.Detail 1. Remove the valve caps from the liquid stop valve and the gas stop valve.2. Carry out forced cooling operation.3. After 5 to 10 minutes, close the liquid stop valve with a hexagonal wrench.4. After 2 to 3 minutes, close the gas stop valve and stop the forced cooling operation.Refer to forced cooling operation below.1.2 Forced Cooling OperationIndoor UnitGas stop valve Valve capCloseLiquid stop valveService port (R13628)HexagonalwrenchItem Forced CoolingConditions The forced cooling operation is allowed when both the following conditions aremet.1) The outdoor unit is not abnormal and not in the 3-minute standby mode.2) The outdoor unit is not operating.Start Press the forced cooling operation ON/OFF button (SW1) on the indoor unitfor 5 seconds.Commandfrequency 09/12 class, RKN18NMVJU: 58 HzRXN18NMVJU, RK(X)18NMVJU, 24 class: 30 HzEnd The forced cooling operation ends when any of the following conditions isfulfilled.1) The operation ends automatically after 15 minutes.2) Press the forced cooling operation ON/OFF button (SW1) on the indoor unitagain.3) Press the ON/OFF button on the remote controller.Others Protection functions have priority over all other functions during forced coolingoperation.(R21069)ON/OFF ON/OFF button (SW1)
