SERO DS-045 Operation Manuals - Defrost System
Defrost system
Sequences of the defrosting:
1- Start
The defrosting is engaged if the following conditions are at the same time fulfiled:
- the compressor and the fan motor run without stopping;
- the defrosting sensor temperature lower than 3 , and the duration of time more
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than 45 minutes;
- the defrosting sensor temperature goes down to -7 .
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2- After 15 seconds, the 4 way valve shifts.
3- Five seconds after its stop, the compressor starts alone ; And the accumulated freeze
on the gills becomes melting, what is generally with a steam cloud .
4- Stop:
The defrosting stops if one of the following conditions is fulfiled:
- the defrosting operates 20 seconds and the detected temperature by the defrost
sensor goes up to 12
;
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- the compressor had run totally 8 minutes.
5- The compressor runs.
6- After 15 seconds the 4 way valve shifts
7- Five seconds after its stop the compressor and the fan start for restarting in
heating mode.
8- The running light is blinking during defrosting.
Water drainage system
During the dehumidify mode, the condenser water will be drained into the internal water tank .When the
water reaches the certain level, the water drain pump will work. If the water can be drained out in 8 mins,
the dehumidifier will keep working. If not, the compressor and the motor will stop working. Mean while an
error message “ E4 “ will appear in the control panel to inform you to empty the water.
In this instance, you should cut the power off, and then restart the dehumidifier ,and the operation
will continue .
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