Control Specification SiUS04-924
Function and Control 41
3.13 Forced Operation Mode
Outline Forced operating mode includes only forced cooling.
Detail Forced Cooling
3.14 Additional Functions
3.14.1 POWERFUL Operation Mode
Compressor operating frequency is increased to PI Max. (Maximum Hz of operating room) and
outdoor unit airflow rate is increased.
3.14.2 Voltage Detection Function
Power supply voltage is detected each time equipment operation starts.
Item Forced Cooling
Forced operation
allowing conditions
1) The outdoor unit is not abnormal and not in
the 3-minute standby mode.
2) The operating mode of the outdoor unit is
the stop mode.
3) The forced operation is ON.
The forced operation is allowed when the
above “and” conditions are met.
Starting/adjustment If the forced operation switch is pressed when
the above conditions are met.
1) Command
frequency
55Hz
2) Electronic
expansion valve
opening
It depends on the capacity of the operating
indoor unit.
3) Outdoor unit
adjustment
Compressor is in operation
4) Indoor unit
adjustment
The command of forced operation is
transmitted to the indoor unit.
End 1) When the forced operation switch is
pressed again.
2) The operation is to end automatically after
15 min.
Others The protect functions are prior to all others in
the forced operation.
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