Midea MCHS-09NIH1, Service Manual

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26
I3COOL
I2COOL
Off
Decrease
Hold
Resume
I1COOL
I3COOL, I2COOL,I1COOL mean different
running current value.
Off: Compressor stops.
Decrease: Decrease the running frequency to
the lower level.
Hold: Keep the current frequency.
Resume: No limitation for frequency.
Note:
When AC is in “hold” zone for 3 minutes, the
compressor frequency will rise to the higher
level.(frequency will increase twice at most)
9.4.2.2 Outdoor fan running rules
22
20
High
Low
9.4.2.3 Indoor fan running rules
In cooling mode, indoor fan runs all the time
and the speed can be selected as high,
medium, low and auto.
Auto fan in cooling mode acts as follow:
4
3
High
Low
1
Medium
1.5
9.4.3 Heating Mode
9.4.3.1 Compressor running rules
The maximum operation frequency of the
compressor after starting submits to the
following rule.
Fmax=F3
Fmax=F5
Fmax=F7
Fmax=F9
Fmax=F10
Fmax=F8
Fmax=F6
Fmax=F2
34
Off
33
28
27
25
24
22
21
19
18
16
17
15
14
Fmax=F4
12
11
6
5
Fmax: The maximum operation frequency of
compressor.
F1~F8: The detailed value of the compressor
operation frequency.
If users switch on AC by remote controller, the
compressor will run at the Fmax frequency for 7
minutes according to outdoor ambient temp.