Midea MSV1-09HRFN1-MT0W Service Manual page 28

2) If the compressor stops caused by room temperature rising, indoor fan will be forced to run 127
seconds with breeze. During this period, anti-cold-wind is disabled. After this, anti-cold –wind function is
available.
3) If the machine runs in rating capacity test mode, indoor fan runs with rating speed, and
anti-cold-wind is disabled.
8.7.2 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.
8.7.3 The operation frequency of compressor after starting submits to following rule:
When the machine runs, if ΔTh 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 ΔTh＞6℃.
℃
44
38
37
34
33
24
17
2.5
2.0
1.5
1.0
5.0
4.5
1.0
0.5
Remark: ΔTcon can be changed among 0, -2,- 4 , the default is 0
setting fan speed
low fan
breeze
super breeze
fan stop
low
medium
high
H
B
A
25