LG ARNU Series - Page 226

- 226 -
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2. Settings of sub outdoor unit
At the 1
st
sub unit, set dip switch as
the left side.
Setting before applying the power.
78654213
ON
OFF
1) The sequence of sub unit : 1
st
sub unit
At the 2
nd
sub unit, set dip switch as
the left side.
Setting before applying the power.
78654213
ON
OFF
2) The sequence of sub unit : 2
nd
sub unit
At the 3
rd
sub unit, set dip switch as
the left side.
Setting before applying the power.
78654213
ON
OFF
3) The sequence of sub unit : 3
rd
sub unit
78654213
ON
OFF
4) Backup operation: constant speed comp. 1 backup
Setting before applying the power
Set at the unit of the constant speed
comp.1 failure
78654213
ON
OFF
5) Backup operation: constant speed comp. 2 backup
Setting before applying the power
Set at the unit of the constant speed
comp.2 failure.
78654213
ON
OFF
6) Backup operation: unit backup
Setting before applying the power
Set at the disabled unit.(All compressors
are broken)
Test Run