Electrical Control Function
84 Electrical Control System
The auto fan acts as below rules:
a
b
c
d
5.0
4.0
2.5
1.0
6.0
T1-Ts
e
H
(H-L)*0.75+L
(H-L)*0.5+L
(H-L)*0.25+L
L
1.3.2.4 Condenser temperature protection
When T3>65℃ for 3 seconds, the compressor will stop while the indoor fan and outdoor fan will continue.
When T3<52℃, the protection will release and the compressor will restart after 3 minutes.
1.3.2.5 Evaporator low temperature protection
When T2B<0℃ for 250 seconds, the indoor unit has no capacity demand and resume till T2B>10℃.
When T2<4℃, the indoor has no capacity demand and resume till T2>8℃.
1.3.3 Heating Mode
1.3.3.1 Compressor running rules
The compressor will run at corresponding frequency according to the gross amendatory capacity demand.
Amendatory capacity demand.
1.3.3.2 Outdoor fan running rules: