Midea 9ASI-A-1209, Service Manual

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3.5
3.0
2.5
2.0
1.5
1.0
0.5
T1-Ts
-1.0
A
B
C
D
E
F
G
H
0.0
-1.5
I
J
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:Increase the frequency to 3 grade higher until to FREMAX.
B~E: Increase the frequency to 2 grade higher until to FREMAX.
F~G: Increase the frequency to 1 grade higher until to FREMAXd.
H: Keep the current frequency. :
I: Decrease the frequency to 1 grade lower until to F1.
J: Run at F1 for 1h.(if T1-Ts<-2 ℃ , the compressor will stop)
Meanwhile, the compressor running frequency is limited by the current.
50
T4
CoolT4Zone5I
CoolT4Zone4I
CoolT4Zone3I
CoolT4Zone2I
CoolT4Zone1I
49
45
44
41
40
33
32