Vivax ACP-12CC35AECI Service Manual page 125

Electrical Control Function
For Compact cassette(12K),A5(12K),Ceiling& floor(12K):
In cooling mode, indoor fan runs all the time and the speed can be selected as high, medium, low, auto and
silent.
The auto fan:
For other models:
1.3.2.4 Evaporator low temperature T2 protection.
For 12K models：
---T2<0℃, the compressor will stop and restart when T2
---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.
For other models: When T2<2℃ and lasts for 3 minutes, the indoor has no capacity demand and resume till
T2≥7℃.
1.3.2.5 Condenser high temperature T3 protection
For 12K models :
---55℃<T3<60℃, the compressor frequency will decrease to the lower level until to F1 and then runs at F1.If
T3<55℃, the compressor will keep running at the current frequency.
122
T1-Ts
6.0
a
5.0
b
4.0
c
2.5
d
1.0
e
3.5
3.0
1.5
1.0
5.0
4.0
3.0
2.0
H
(H -L)*0.75+L
(H -L)*0.5+L
(H -L)*0.25+L
L
High
Medium
Low
High
Medium
Low
>=
5℃.
Electrical Control System