Midea MSV1-09HRDN1-QC2A Service Manual page 28

anti-cold-wind is disabled.
9.7.2 Indoor fan speed can be set as high, medium, low or auto grade, but anti-cold-wind function is preferential.
Auto fan action in heating mode.
9.7.3 The operation frequency of compressor after starting submits to following rule:
When the machine runs, if ∆Th stays in a zone for 3 minutes, action of frequency is as follow:
Zone A: Elevate current frequency one grade, and not stop until the maximum grade.
Zone B: Elevate or keep or descend current frequency.
Zone H: Compressor stops after running with F1 for 60 minutes or when ∆Th＞6℃.
9.7.4 Outdoor unit current control in heating mode.
Remark:
9K Model
12K Model
9.7.5 Indoor heat exchanger high temperature protection.
If T2＞60℃, the compressor will stop and not resume until T2＜48℃.
℃
2.5
2.0
1.5
1.0
℃
5.0
4.5
1.0
0.5
Remark: ∆Tcon can be changed among 0, -2,- 4 , the default is 0
I3HEAT
I2HEAT
I1HEAT
I1HEAT
5.5 A
5.2 A
low
medium
high
H
B
A
℃
comp. pause
freq. descends if curr. rises;
freq. remains if curr. descends
running normally
I2 HEAT I3 HEAT
7.0 A
6.4 A
℃
8.0A
7.5 A
25