Airwell CDMX-022N-09M25, Service Manual

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In auto mode, the machine will choose cooling,
heating or fan-only mode according to the
difference between T1 and TS.
For DDMX-022N-09M25,
DDMX-035N-09M25,
DDMX-050N-09M25,
DDMX-070N-09M25:
T1-TS Running mode
T1-TS
＞
2
℃
Cooling
-3≤T1-TS≤2
℃
Fan-only
T1-TS< -3
℃
Heating
For CDMX-022N-09M25,
CDMX-022N-09M25,
CDMX-035N-09M25,
CDMX-050N-09M25,
CDMX-070N-09M25,
XDMX-035N-09M25,
XDMX-050N-09M25:
This mode can be chosen by remote controller and
the setting temperature can be changed between
16~30
℃
.
In auto mode, the machine selects cooling, heating
or fan-only mode on the basis of T1,Ts and T4.
For other models:
T1-TS Running mode
T1-TS
＞
2
℃
Cooling
-2≤T1-TS≤2
℃
Fan-only
T1-TS< -2
℃
Heating
Indoor fan will run at auto fan of the relevant mode.
The louver operates same as in relevant mode.
If the machine switches mode between heating and
cooling, the compressor will keep stopping for 15
minutes and then choose mode according to T1-Ts.
If the setting temperature is modified, the machine
will choose running function again.
8.4.6 Forced operation function
8.4.6.1 Enter forced operation function:
Press the touch button continually, the AC will run
as below sequence:
Forced auto→Forced cooling→Off
When the machine is off, pressing the touch button
will carry the machine to forced auto mode, after
this, if pressing the button once again, the machine
will turn into forced cooling mode.
In forced cooling mode, pressing touch button will
turn off the machine.
8.4.6.2 In forced operation mode, all general
protections and remote control are available.
8.4.6.3 Operation rules:
Forced cooling mode:
Indoor fan runs as breeze. After running for 30
minutes, the machine will turn to auto mode as 24
℃
setting temperature.
Forced auto mode:
The action of forced auto mode is the same as
normal auto mode with 24
℃
setting temperature.
8.4.6.4 When there’s indoor unit running in forced
cooling, it is the master forced cooling unit. Other
indoor units will run at forced cooling mode too and
they will be the slave forced cooling units. The slave
forced cooling units cannot quit forced cooling
mode until the master forced cooling unit quit, and
turn to cooling mode at low speed with 24
℃
setting
temperature.
8.4.6.5 The slave forced cooling units will not be
controlled by other signals.
8.4.7 Timer Function
8.4.7.1 Timing range is 24 hours.