Vivax ACP-09CH25AEI, Service Manual, Page: 38 / 54

35
Note:
When AC is in
“
hold
”
zone for 3 minutes, the compressor frequency will rise to the higher
level.(frequency will increase twice at most)
8.4.2.2 Indoor fan running rules
In cooling mode, indoor fan runs all the time and the speed can be selected as high, medium, low and
auto.
Auto fan in cooling mode acts as follow:
8.4.2.3 Outdoor fan running rules:
22
20
High
Low
8.4.2.4 Condenser high temperature T3 protection.
When 55 <T3<60 , the compressor frequency will decrease to the lower level until to F1 and then
℃ ℃
runs at F1.
When T3<54 , the compressor w
℃
ill keep running at the current frequency.
When T3<52 , the compressor will not limit the frequency and resume to the former frequency.
℃
When T3>60 for 5 seconds, the compressor will stop until T3<52 .
℃ ℃
8.4.2.5 Evaporator low temperature T2 protection.
When T2<0 , the compressor will stop and restart when T2
℃
>=
5 .
℃
When 0
℃≦
T2<4 , the compressor frequency will be limited and decreased to the lower level
℃
every
minute.
When 4
≤
T2
≤
7 , the compressor will keep the current frequency.
℃ ℃
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