Control of W-ECO MULTI SYSTEM
3
TD831077
III - 41
2. Optional Controller (system controller)
7
Basic wiring diagram
Make correct wiring without
any mistakes (incorrect
wiring will damage the
equipment).
NOTE
1)
The chain lines ( ) indicate control line in the system.
2)
In. means indoor unit.
3)
Up to two system controllers are connectable in one control line system.
4)
Recommended wire diameter and wire length
CAUTION
In.–1
n 64
m 30
Outdoor
unit–1
• • •
• • • • •
Remote
controller
System controller
Remote
controller
Remote
controller
Remote
controller
Outdoor
unit–2
Ground for control wiring
Outdoor
unit–3
Outdoor
unit–m
0202_M_I
1 2
1 2 3
C1
C2
L
N
C3
C4
In.–2
1 2
1 2 3
In.–3
1 2
1 2 3
In.–4
1 2
1 2 3
In.–n
1 2
1 2 3
1 2 3
1 2
1 2
1 2
1 2
1 2 3
1 2 3
1 2 3
>
>
Power supply
220-240V 50Hz
Ground
Power supply
Power supply terminal base
2.5 mm
2
Capacity
Max. wire diameter
System controller
Max. 100 m
10 A
25 A
5.5 mm
2
(AWG #10)*
Type
Time delay fuse or
circuit capacity
* With ring type wire terminal.
Inter-unit control wiring
Remote control wiring
0.75 mm
2
(AWG #18)
0.75 mm
2
(AWG #18)
Use shielded wiring*
Max. 1,000 m (Total)
Max. 500 m (Total)
Control wiring (Use shield wiring)