Airwell CDMX-022N-09M25, Service Manual

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23
T 4
A +
A
B
C
D
E
F
G
H
I
While A,B,C…means different fan speed of outdoor
unit.
8.4.2.2 Indoor fan running rules
For CDMX-022N-09M25,
CDMX-035N-09M25,
CDMX-050N-09M25,
CDMX-070N-09M25,
DDMX-022N-09M25,
DDMX-035N-09M25,
DDMX-050N-09M25,
DDMX-070N-09M25,
XDMX-035N-09M25,
XDMX-035N-09M25:
1) In cooling mode, the indoor fan operates
continuously. The fan speed can be set to
1%-100%, or low, medium, high and auto.
2) Auto fan action in cooling mode:
Descent curve
• When T1-Tsc is lower than or equal to 3.5°C, fan
speed reduces to 80%;
• When T1-Tsc is lower than or equal to 1°C, fan
speed reduces to 60%;
• When T1-Tsc is lower than or equal to 0.5°C, fan
speed reduces to 40%;
• When T1-Tsc is lower than or equal to 0°C, fan
speed reduces to 20%;
• When T1-Tsc is lower than or equal to -0.5°C, fan
speed reduces to 1%.
Rise curve
• When T1-Tsc is higher than 0°C, fan speed
increases to 20%;
• When T1-Tsc is higher than 0.5°C, fan speed
increases to 40%;
• When T1-Tsc is higher than 1°C, fan speed
increases to 60%;
• When T1-Tsc is higher than 1.5°C, fan speed
increases to 80%;
• When T1-Tsc is higher than 4°C, fan speed
increases to 100%.
For other models:
In cooling mode, indoor fan runs all the time and the
speed can be selected as high, medium, low and
auto. When the compressor is running, the indoor
fan is controlled as below:
The auto fan acts as below rules:
For CDMX-022N-09M25,
CDMX-035N-09M25,
CDMX-050N-09M25,
CDMX-070N-09M25,
DDMX-022N-09M25,
DDMX-035N-09M25,
DDMX-050N-09M25,
DDMX-070N-09M25,
XDMX-035N-09M25,
XDMX-035N-09M25: