Service manual

44
auto.
Auto fan in cooling mode acts as follow:
4
3
High
Low
1
Medium
1.5
8.4.2.4 Condenser high temperature T3 protection.
---55
<T3<60 , the compressor frequency will decrease to the lower level until to F1 and then runs
at F1.If T3<54
, the compressor will keep running at the current frequency.
---T3<52
, the compressor will not limit the frequency and resume to the former frequency.
---T3>60
for 5 seconds, the compressor will stop until T3<52 .
8.4.2.5 Evaporator low temperature T2 protection.
---T2<0
, the compressor will stop and restart when T2>=5 .
---0
T2<4 , the compressor frequency will be limited and decreased to the lower level
---4
≤T2≤7 , the compressor will keep the current frequency.
---T2>7
, the compressor frequency will not be limited.