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Controller Function Manual and Operating Method
6 6
Controller Function Manual
This function manual is applicable for admiral series.
1. Temperature Parameters
◆Indoor preset temperature (Tpreset)
◆Indoor ambient temperature (Tamb.)
2 Basic functions
Once the unit is energized, the compressor shall never be restarted except 3mins interval at least. For the first energization,
the compressor can be restarted without 3-min delay. Once the compressor is started up, the compressor won't stop
running within 6mins with the change of room temperature.
（1）Cooling Mode
①Cooling conditions and process
When Tamb. ≥Tprese+1℃, the unit starts cooling operation. In this case, the compressor and the outdoor fan operate and
the indoor fan operates at setting speed.
When Tamb. ≤Tpreset-1℃, the compressor and the outdoor fan stop while the indoor fan runs at setting speed.
When Tpreset-1℃＜Tamb. ＜Tpreset+1℃, the unit will maintain its previous operation status.
In cooling mode, the four-way valve is de-energizing and the temperature setting range is 16～30℃.
② Protection Functions
◆Antifreezing protection
If the system is under antifreezing protection, the compressor and outdoor fan stop operation; the indoor fan operates at
setting speed. If antifreezing protection is eliminated and the compressor has been stopped for 3 minutes, the unit will
resume its previous operation status.
（2） Dry Mode
①Dry Conditions and Process
When Tamb. ＞Tpreset+2℃, the unit starts drying and cooling operation. In this case, the compressor and outdoor fan
operates and the indoor fan operates at low speed.
When Tpreset-2℃≤Tamb. ≤Tpreset+2℃, the unit will start drying operation. In this case, the indoor fan operates at low
speed, and the compressor and the outdoor fan operate 6 minutes and stop 4 minutes in cycle.
When Tamb.＜Tpreset-2℃, the compressor and the outdoor fan stops operation while the indoor fan operates at low
speed.
In drying mode, the four-way valve is de-energizing and the temperature setting range is 16～30℃.
Tamb.
Tpreset
Tpreset
mins
compressor
outdoor fan
indoor fan
run
antifreezing protection period
compressor
outdoor fan
indoor fan
run
mins
mins
setting speed
stop
mins
setting speed
stop
Admiral Series
cooling
original operation status
stop cooling
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