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STEP 1.
When the SW1-1 is located at the digital end (factory default), the fan runs in 5th level for high speed
and 2nd level for low speed. If you want to adjust the fan speed by yourself, you need to change it to
the "ON" end:
STEP 2.
Set SW1-1 to "ON" end.Then combining the SW1-2 and SW1-3 to get different fan speeds. The fan
speed operation obtained by the combination is shown in the following table:
Table 7. Dip-switch setting for fan speed
Combination
1(Default)
2
3
4
5
.2 Cold Air Prevention
This function should be confirmed to the user during the installation, the factory default is turning on anti-cold
air function, the effect is: 1. the initial stage of heating with low fan speed, 2. the indoor unit is shut down
when the unit enter defrosting mode;
You can turn on or turn off this function by adjusting the fourth position of SW1 on the indoor unit main control
board. The digit end corresponds to OFF, and the letter end corresponds to ON. The default setting is ON,
adjust the dip-switch to OFF, the anti-cold air function will be turned off.
SW1 setting
Low speed
2
speed
nd
1
st
speed
1
speed
st
2
nd
speed
3
speed
rd
28
High speed
5
speed
th
2
nd
speed
3
speed
rd
4
th
speed
5
speed
th
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