LG ARUV Series Service Manual page 226

Test Run
2. Settings of sub outdoor unit
1) The sequence of sub unit : 1
1 2 3
ON
OFF
2) The sequence of sub unit : 2
1 2 3
ON
OFF
3) The sequence of sub unit : 3
1 2 3
ON
OFF
4) Backup operation: constant speed comp. 1 backup
1 2 3
ON
OFF
5) Backup operation: constant speed comp. 2 backup
1 2 3
ON
OFF
6) Backup operation: unit backup
1 2 3
ON
OFF
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Only for training and service purposes
st
sub unit
4 5 6 7 8
nd sub unit
4 5 6 7 8
rd sub unit
4 5 6 7 8
4 5 6 7 8
4 5 6 7 8
4 5 6 7 8
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At the 1 st sub unit, set dip switch as
the left side.
Setting before applying the power.
At the 2 nd sub unit, set dip switch as
the left side.
Setting before applying the power.
At the 3 rd sub unit, set dip switch as
the left side.
Setting before applying the power.
Setting before applying the power
Set at the unit of the constant speed
comp.1 failure
Setting before applying the power
Set at the unit of the constant speed
comp.2 failure.
Setting before applying the power
Set at the disabled unit.(All compressors
are broken)
LGE Internal Use Only