EXPANSION VALVE CONTROL
CONTROL STOP
STAND BY
AUTOMATIC CONTROL
OF EXPANSION VALVE
WATCHING
OIL RECOVERY
DEFROSTING
* Only one side of them is controlled.
Power ON
Power OFF
Compressor ON condition EEV initialization condition interval under 4hours
Compressor OFF
Compressor ON condition
Expansion valve initialization condition interval more than 4 hours
Oil recovery condition
Oil recovery finish
Defrosting condition
Defrosting finish
The expansion valves have the following four states:
CONTROL STOP : Power is not yet supplied to the outdoor unit so the expansion valve does not operate.
STAND BY : Power is supplied to the outdoor unit and the expansion valve is initialized, but automatic control of
the expansion valve has not been performed.
WATCHING : The compressor is turned off while the expansion valve is controlled automatically and the turn-on
and initialization of the next compressor's expansion valve have not been performed.
CONTROLLING : The expansion valve is controlled automatically.
5-4 EXPANSION VALVE 1/2 CONTROL
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