coil temperature lower than T_CP R(50ć).
7.2 When the outdoor single-unit gives out the heat load signal, the outdoor fan stops
immediately, 45 minutes later, the heat load signal disappears, and the outdoor fan
operates.
7.3 In heating operation, any of the current in the compressor is larger than or equal to 4.0
A (for Model 14, 4.8A for Model 18), and the outdoor fan stops. The current in the
compressor is less than or equal to 3.5A (for Model 14, 4.3A for Model 18), and the
outdoor fan restores (the compressor does not detect current within 30 seconds after its
start), the current in the compressor is larger than 3.5A (for Model 14, 4.3A for Model 18)
and less than 4.0A(for Model 14, 4.8A for Model 18), and the outdoor fan does not restore.
8. Current peak protection
8.1. The current in the compressor is larger than 6.8A(for Model 14, 8.2A for Model 18) for
more than 5 seconds, The compressor which has the highest current will stop(the
compressor does not detect current within 10 seconds after its start) and 3 minutes later it
will continue to operate.
8.2. The compressor will no longer operate if overcurrent protection occurs 4 times in a row
within 30 minutes, and the output transformer signal fails. In the double-unit operation, if
one of the compressors stops due to the current too high, the other system is a single
system.
9. Single-unit defrosting operation (outdoor judgement)
Defrosting control
9.1. Conditions for starting in the defrosting operation
The heating compressor starts and operate continuously for 10 minutes. After the
compressor has been operating for 45 minutes in total, detecting the defrosting sensor TE
(detecting the frosting of the outdoor heat exchanger) and the outdoor ambient
temperature sensor TA for straight 2 minutes, provided the following conditions are met, it
will start for the defrosting operation: TEİChTAˉ¢
Where,
C: TA˘0ć
Domestic Air Conditioner
Model: H2SM-14HC03/R2
H2SM-18HC03/R2
33
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