Installation Manual 65
ENGLISH
Main unit and Sub unit PCB
■ Setting the DIP switch (SW03M)
• Set the dip switch with the power turned off. If you change the setting when the power is on, the
changed setting is not applied immediately. The changed setting is applied at the moment that the
power is on.
• Instant indoor unit checking, data display mode, and forced oil collecting operation are used when the
units are running. If you don't have to use those functions after using them, restore the dip switch set-
ting.
1. Settings of main outdoor unit
Setting before applying the power
When the total pipe length is extremely
long, use capacity up mode.
78654213
ON
OFF
3) Loss compensation: Capacity up
Setting before applying the power
When the total pipe length is extremely
short, use save mode.
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ON
OFF
2) Loss compensation: Save mode
Setting before applying the power
When the installation condition is normal
(almost all cases), use standard mode.
78654213
ON
OFF
1) Loss compensation: Standard mode(default)
data
address
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ON
OFF
4) Instant indoor unit checking: Cooling mode
With dip switch setting as left
side, push address(red) button
3 times in 3 sec.
With data button, select the
indoor unit that you want to turn
on/off. Push address button for
3 sec, and the indoor unit will
be turned on/off.
After using, restore the dip
switch setting.
If you set the dip switch #1 and
#2 off during the instant indoor
checking mode, the mode is
ended. After that, restore the
dip switch setting.
data
address
data
address
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ON
OFF
5) Instant indoor unit checking: Heating mode
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ON
OFF
6) Instant indoor unit checking: Restoring
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