37
Electrical connections
8 ~ 16 kW (single phase)
Fig. 59
A Outdoor unit
B Indoor unit
C Shunt box
D CCM (Central Control Monitor)
1
Bus between the indoor and outdoor units
2
Bus between indoor units
10.5 ~ 18 kW (three phase)
Fig. 60
A Outdoor unit
B Indoor unit
C Shunt box
D CCM (Central Control Monitor)
1
Bus between the indoor and outdoor units
2
Bus between indoor units
3
4
5
6
7
8
9
10
a
CAUTION
It is possible to start with only one bus from the
outdoor unit.
a
CAUTION
Earth at one point free of interference.
B B
A D
1
1
2
B
C
3
C C
L N
X Y E
X Y E
P Q E
P Q E
⏚
L N
⏚
P Q E
L N
⏚
P Q E
L N
⏚
B B
A D
1
1
2
B
C
3
C C
L1
L2 L3
N
X Y E
X Y E
P Q E
P Q E
⏚
L N
⏚
P Q E
L N
⏚
P Q E
L N
⏚