innovair Oasis WOE10C2DB1 / HOE10C2MR83, Service Manual

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For MSR1-09HRN1-NB8 and MSR1-12HRN1-NB8:
Condition of defrosting:
If any one of following items is satisfied, defrosting will start.
Condition 1: Both the following conditions are satisfied:
A: If the working time of the compressor accumulates to 42 min and one continuous
working time is more than 330s.
B: Check the temperature difference between T2 and T1
Fan speed
T2-T1 Note
High TH
DEFROST
If indoor fan is in high speed and T2-T1< TH
DEFROST
, start defrosting
Medium
TM
DEFROST
If indoor fan is in medium speed and T2-T1< TM
DEFROST
, start defrosting
Low
TL
DEFROST
If indoor fan is in low speed and T2-T1< TL
DEFROST
, start defrosting
Breeze or stop / If indoor fan is breezing or stopped, start defrosting
Condition 2: If the accumulated time of outdoor fan stopped but the compressor keep working due to
evaporator high temperature protection mode reaches 90 min from the end of last defrosting mode.
Condition of defrosting stop:
If any one of following conditions occurs, the defrosting will finish and the machine will turn to normal
heating mode.
Condition 1: Reached the defrosting time.
Condition 2: The current of compressor is more than I
defrost
continuously more than 7s. The value of
I
defrost
is depending on the exactly machine.