C=0.8
TAı0ć
C=0.6
¢=6
In the place where it tends to frost, it is preferred to choose H. In the place where it does not
intend to frost, it is preferred to choose L. It is set M at delivery.
During the defrosting operation, the temperature control starts -15ćİChTAˉ¢İ-2ć
9.2. Interval of defrosting
When the result of the calculation from ChTAˉ¢ falls in the range of -15ćİChTAˉ¢,
the interval between two defrosting operations is 45 minutes.
When the result of the calculation from ChTAˉ¢ falls in the range of ChTAˉ¢<-15ć, the
interval between two defrosting operations is 55 minutes.
9.3. Defrosting operation
At the beginning of defrosting, the compressor is halted for the first one minute, but the
outdoor fan operates, 50 seconds later, the 4-way valve is OFF.
9.4. Once starting to defrost, the compressor must be guaranteed at least 2 minutes of
operation before canceling defrosting. As for the conditions to cancel defrosting, it will restore
to the heating operation from the defrosting operation as long as any of the following
conditions is met.
(1) . The outdoor heat exchanger temperature is above 7 degrees for consecutive 80
seconds.
(2) . The outdoor heat exchanger temperature is above 5 degrees for consecutive 12
seconds.
(3) . The defrosting operation has lasted 9 minutes.
9.5 After the conditions for cancellation of defrosting are met, the following operations will
follow:
The compressor stops, the outdoor fan starts, 50 seconds later, the 4-way valve is engaged,
and 60 seconds later, the compressor operates.
10. Double-unit defrosting operation
After receiving the signal to stop the indoor unit during the defrosting period, the unit must not
Domestic Air Conditioner
Model: H2SM-14HC03/R2
H2SM-18HC03/R2
34
25
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