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Heat mode (this function is not availbable for cooling only unit)
Heating conditions and procedure
When Tamb Tpreset 2 , heating mode is active, outdoor fan, four-way valve will start to run at the same time. Indoor fan motor
will run at the setting fan speed and anti-cool wind:
Dehumidifying Conditions and Process
When T amb. Tpreset 2 , the unit will run under dehumidifying and cooling mode, in which case the compressor, outdoor fan will run,
and indoor fan will run at low speed.
When Tpreset 2 Tamb. Tpreset 2 , the unit will run under dehumidifying mode, in which case the compressor and
outdoor fan will be stopped after running 6 minutes,After 4 minutes, the compressor and outdoor fan will be restarted.
Dehumidifying process is repeated in cycle.Indoor fan will run at low speed.
When Tamb. Tpreset 2 , the compressor , outdoor fan and indoor fan will be stopped.
Under this mode, the four-way valve will be de-energized and the temperature can be set from 16 to 30 , the displayer
will display running signal, dry signal and setting temperature.
If T amb. T 4 , the compressor, outdoor fan will be stopped, the outdoor 4-way valve will remain energized,
and the indoor fan will be stopped after blowing at low speed for 60 seconds.
When Tpreset 2 Tamb. Tpreset 4 , the unit will maintain its original operating status.
Under this mode, the 4-way valve is energized and the temperature can be set within a range from 16 to 30 .
the displayer will display running signal, heat signal and setting temperature.
Protection
High Temp. Protection
Defrosting Conditions and Process
Protection
Antifreeze Protection
This unit adoopt intelligent defrosting, it can defrost according to the frosting conditions, dual 8 display H1.
Under dehumidifying and cooling mode, 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 low speed. When antifreeze protection is released and the compressor has stopped for 3
minutes, the complete unit will resume its original operating status.
Upon meeting "run 6 mins and stop 4 mins" dehumidify condition, 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 low speed. When antifreeze protection is released and the
compressor has stopped for 4 minutes, the complete unit will resume its original operating status.
Other protection
Other protection is the same with that in cool mode.
Compressor
Outdoor fan
Indoor fan
Run
Stop
Tpreset
Tpreset
Tamb.
Start cooling
Stop running
Start dehumidifying
Low fan speed
6mins. 6mins.
4mins.
4mins.
Run
Stop
Tpreset
Tpreset
Compressor
Outdoor fan
Indoor fan
Reversal valve
Tamb.
Stop heating
Original running status
Start heating
6mins. 6mins. 3 mins.
2mins.
2mins.
Setting
fan speed
Setting
fan speed
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