SiUS04-904 Control Specification (15/18/24 Class)Function and Control 614.14 Forced Operation ModeOutline Forced operating mode includes only forced cooling.Detail Forced Cooling4.15 Additional Functions4.15.1 POWERFUL Operation ModeCompressor operating frequency is increased to PI Max. (Max. Hz of operating room) and outdoorunit airflow rate is increased.4.15.2 Voltage Detection FunctionPower supply voltage is detected each time equipment operation starts.Item Forced CoolingForced operationallowing conditions 1) The outdoor unit is not abnormaland not in the 3-minute standby mode.2) The operating mode of the outdoorunit is the stop mode.3) The forced operation is ON.The forced operation is allowed whenthe above “and” conditions are met.Starting/adjustment If the forced operation switch ispressed as the above conditions aremet.1) Commandfrequency66 Hz2) Electronicexpansion valveopeningIt depends on the capacity of theindoor unit.3) Outdoor unitadjustment Compressor is in operation4) Indoor unitadjustment The command of forced operation istransmitted to the indoor unit.End 1) When the forced operation switch ispressed again.2) The operation is to endautomatically after 15 min.Others The protect functions are prior to allothers in the forced operation.