60
Defrosting action in heat mode as below:
Indoor fan ON
OFF
Swing louver ON
OFF
4-way valve
ON
OFF
Distributary ON
Valve OFF
Outdoor fan ON
OFF
Compressor ON
OFF
Start up condition
:
1) When all of the following conditions meet, defrosting begin:
1.
The compressor has been in working for more than 7 minutes;
2.
Outdoor coil temperature is lower or equal than 5
℃
;
3.
Total working time of the compressor is more than 30 minutes, and outdoor coil temperature is
lower 8
℃
than the temperature after the compressor working for 10 minutes.
Note: before the dehumidifying ending, the outdoor coil temperature data after the compressor working for 10
minutes will be save.
2) When all of following conditions meet, defrosting works;
1. The compressor has worked for more than 7 minutes;
2. Outdoor coil temperature is lower or equal than -5
℃
;
3. The compressor’s working time is more than “defrosting interval”.
“Defrosting interval” see Defrosting interval chart.
3) When the working time of the compressor is more than defrosting interval, the constant temperature unit restart for 3
times, after 2 minutes of the forth time restarting, if the outdoor coil temperature is equal or lower than
-5
℃
, defrosting begins.
Note: the compressor shut down or defrosting start up will clear constant temperature unit’s on/off counter data.
Frosting period:
a)
Even if the constant temperature unit shut down, defrosting go on.
b)
4-way valve, distrubutary valve, indoor fan and outdoor fan shut down.
c)
Defrosting interval chart:
Defrosting time (minute)
Next defrosting time
(
minute
)
Beginnin
g
Ending
As the panel signal
Содержание TA-05CW
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