Airwell CDMX-022N-09M25, Service Manual

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25
For other models:
In heating mode, indoor fan can be selected as high,
medium, low and auto. The anti-cold- wind function
has the priority.
When the compressor is running, the indoor fan is
controlled as below:
Auto fan action in heating mode:
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:
T1-Tsc
100%
20%
40%
60%
80%
-3.0
°C
(-5.4
°F
)
-1.5
°C
(-2.7
°F
)
0
°C
(0
°F
)
0.5
°C
(0.9
°F
)
1.0
°C
(1.8
°F
)
Silence
Low
M edium
H igh
Turbo
For other models:
0.0°C(0°F)
T1-Td+1.5°C(34.7°F)
L
(H+-L)*0.2+L
(H+-L)*0.4+L
(H+-L)*0.6+L
H+
(H+-L)*0.8+L
-1°C(-1.8°F)
-2°C(-3.6°F)
-3°C(-5.4°F)
-4°C(-7.2°F)
-5°C(-9°F)
-6°C(-10.8°F)
-6.5°C(-11.7°F)
8.4.4.3 Evaporator coil temperature protection
If T2>63
℃
, the indoor unit has no capacity demand
and resume till 48
℃
.
8.4.4.4 Prevent Over-Heating
In heating mode, when the indoor unit has no
capacity requirement due to indoor room
temperature increased, the Indoor fan will run in
super breeze. (Anti-cold wind function has the
priority)
8.4.4.5 Defrosting mode
：
Condition of defrosting:
AC will enter the defrosting mode according to the
value of temp. of T3 and the value range of temp.
change of T3 and also the compressor running
time.
Condition of ending defrosting:
If any one of the following items is satisfied, the
defrosting will finish and the machine will turn to
normal heating mode.
----T3 rises to be higher than TCDE1
℃
.
----T3 keeps to be higher than TCDE2
℃
for 80
seconds.
----The machine has run for 10 minutes in
defrosting mode.
Defrosting action
：
4-Way valve
Indoor fan
Outdoor fan
480P
PMV
PMV running
4 mins with 480P
Compressor
10S 30S
TimeA
10S
no longer than 10min
Cool-F9
Anti cold wind
8.4.5 Auto-mode
This mode can be chosen by remote controller and
the setting temperature can be changed between
17~30
℃
.