Installation Manual 63
ENGLISH
Electrical Wiring
2. Settings of sub outdoor unit
At the 1
st
sub unit, set dip switch as
the left side.
Setting before applying the power.
7
8
6
5
4
2
1
3
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.
At the 3
nd
sub unit, set dip switch as
the left side.
Setting before applying the power.
7
8
6
5
4
2
1
3
ON
OFF
2) The sequence of sub unit : 2
nd
sub unit
7
8
6
5
4
2
1
3
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
7
8
6
5
4
2
1
3
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.
7
8
6
5
4
2
1
3
ON
OFF
6) Backup operation: unit backup
Setting before applying the power
Set at the disabled unit.(All compressors
are broken)
7
8
6
5
4
2
1
3
ON
OFF
3) The sequence of sub unit : 3
rd
sub unit
