innovair BIN312C2V31 Service Manual page 34

8.4.2 Cooling Mode
8.4.2.1 Compressor running rules:
The operation frequency of compressor after starting submits to the following rule.
If users switch on AC by remote controller, the compressor will run at the Fmax frequency for 7
minutes according to outdoor ambient temp. During the 7 minutes, frequency limitation is active.
7 minutes later, the compressor running frequency will be controlled as below:
While the zones of A,B,C... are corresponding to different compressor running frequency.
Note:
When T1-Ts keeps in the same temp .zone for 3 minutes, the compressor will run as the below rules:
A~E: Increase the frequency to the higher level until to F8.
T4

45
43
40
38
30
28
22
20
T1-TS

3.5
A
3.0
B
2.5
C
2.0
D
1.5
E
1.0
F
0.5
G
-0.5
-1.0
H
Fmax=F4
Fmax=F7
Fmax=F8
Fmax=F6
Fmax=F3
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