8
Basic wiring diagram
CAUTION
Ensure that wiring connections are correct. (Incorrect wiring will
damage the equipment.)
1 2
1 2
1 2
1 2
1 2
2
1 2
1
2
1 2
1
In.-2
In.-3
In.-4
In.-n
U1
U2
C3
C4
N
L
1 2
2
1
2
1
1 2
1 2
1 2
1 2
U1
U2
C3
C4
N
L
In.-1
2
1 2
1
NOTE
1.
The following fi gure is the inter-unit controll wiring.
Use the shielded wiring.
2.
In. means indoor unit.
3.
Up to two system controllers may be connected to one control line
system.
Outdoor
unit-1
Outdoor
unit-2
Outdoor
unit-3
Outdoor
unit-m
m
≤
30
Power supply
(220 – 240
V
50/60 Hz)
System
controller
Power supply
(220 – 240 V
50/60 Hz)
System
controller
Ground for control wiring
Ground for control wiring
Remote
controller
n
≤
64
Fig. 4
Ground
Ground
Ground
Ground
Ground
Ground
Remote
controller
Remote
controller
Remote
controller
Ground
Ground
Ground
CZ-64ESMC2̲eng.indd 8
CZ-64ESMC2̲eng.indd 8
2010/12/24 16:58:34
2010/12/24 16:58:34
