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Controller Function Manual and Operating Instructions
Controller Function Manual
1 Temperature Parameters
Indoor preset temperature (T
preset
)
Indoor ambient temperature (T
amb.
)
2 Basic Functions
Once energized, the compressor should in no way be restarted unless after 3-minute time interval at least. For the first
ene
rgization, the compressor will be started without 3-minute lag. Once started, the compressor will not be stopped
withi
n 6 minutes with the change of room temperature.
1 Cooling Mode
1 Cooling Conditions and Process
When T
amb
.≥T
preset
+1℃, the unit will run under cooling mode, in which case the compressor and outdoor fan will start
and
the indoor fan will run at preset speed.
When T
amb.
≤T
preset
-1℃, the compressor and the outdoor fan will be stopped, the indoor fan will run at preset speed.
When T
preset
-1 <T℃
amb.
< T
preset
+1 , the unit will maintain its original operating status.℃
Under this mode, the temperature can be set within a range from 16 to 30 .
2.Protection
Antifreeze Protection
If
it is detected that the system is under antifreeze protection, the compressor and outdoor fan will be stopped,
and
the indoor fan will run at preset speed. When antifreeze protection is released and the compressor has stopped
for
3 minutes, the unit will resume its original operating status.
2 Dehumidifying Mode
1 Working Conditions and Process of Dehumidifying
When T
am
b. preset
T
+
2 , the unit will run under dehumidifying and cooling mode, in which case the compressor and ℃
outdoor fan will start to run, the indoor fan will run at low speed.
When T
preset
-2
T℃
preset
+
2 , the unit will run under dehumidifying mode, in which case the indoor fan will keep℃
run at low speed, while the compressor and outdoor fan will run 6 minutes and stop 4 minutes so repeated in cycl
e.
When T
amb
.< T
preset
-2℃, the compressor and outdoor fan will be stopped and the indoor fan will run at low speed.
Under this mode,the temperature can be set within a range from 16 to 30 .
Tpreset
Tpreset
Tamb.
Compressor
Outdoor fan
Indoor fan
Run
Stop
Start cooling
Original running status
Stop cooling
6Min.
6Min.
3Min.
Presetting fan speed
Compressor
Outdoor fan
Indoor fan
Run
Stop
Presetting fan speed
During anti-freezing protection
3Min.
This manual is applicable to 05K, 07K, 09K, 12K & 18K (MB) the centigrade is used for the following function manual, if there will be the Fahrenheit
degree, that will be TF=TcX1.8+32.
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