Carrier xpower blue II 38KCL124313G - Page 31

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minutes according to the outdoor ambient temp. During the 7 minutes, the frequency limitation is active.
7 minutes later, the compressor running frequency will be controlled as below:
3.5
3.0
2.5
2.0
1.5
1.0
0.5
-0.5
-1.0
A
B
C
D
E
F
G
H
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.
F: Keep the current frequency.
G: Decrease the frequency to the lower level until to F1.
H: Run at F1 for 1h.(if T1-Ts<-2 , ℃ the compressor will stop)
Meanwhile, the compressor running frequency is limited by the current.
I3COOL
I2COOL
Off
Decrease
Hold
Resume
I1COOL
Off: Compressor stops.
Decrease: Decrease the running frequency to the lower level.
Hold: Keep the current frequency.