Carrier 42HVM109303 Service Manual page 34

℃
---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 cur
℃
---T2>7 , the compressor frequency will not be limited.
8.4.3 Heating Mode
8.4.3.1 Compressor running rules:
The maximum operation frequency of the 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, the frequency limitation is active.
7 minutes later, the compressor running frequency will be controlled as below:
rent frequency.
34
33
28
27
25
24
22
21
19
18
17
16
15
14
12
11
6
5
℃
>=
5 .
Off
Fmax=F2
Fmax=F3
Fmax=F4
Fmax=F5
Fmax=F6
Fmax=F7
Fmax=F8
Fmax=F9
Fmax=F10
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