Branch Kit 1:3
Wiring Diagram
Remote
Controller
Header
A
Indoor
Unit
1
2
E
Outdoor
1
2
Unit
L
N
Power supply
<RAV-SM1603AT-E>
REQUIREMENT
•
The remote controller wiring has no polarity. Connections to terminals A and B of an
indoor unit may be replaced with each other.
•
The remote controller wires and power supply wire must not be in direct contact or in the
same conduit pipe. (Doing so may cause a malfunction of the control system due to
noise.)
Wiring Specification
Specification of Wires Between Units and Numbers of Wires.
Outdoor unit - indoor unit
(header unit)
Indoor unit
- indoor unit
(header unit)
(follower unit)
Remote controller wiring
Earth wire of indoor unit
Procure necessary parts and perform all connection work locally.
EN
Follower
B
Indoor
Unit
3
H
F
3
<RAV-SP1604AT8, SM224*AT8, SM280*AT8 series>
No. of wires
Wire diameter
No. of wires
Wire diameter
No. of wires
Wire diameter
A
B
1
2
3
1
2
3
L1 L2 L3
N
Power supply
H07RN-F or 60245IEC66 1.5 mm
H07RN-F or 60245IEC66 1.5 mm
Between 0.5 mm
H07RN-F or 60245IEC66 1.5 mm
15
Follower
A
Indoor
Unit
1
2
H
4 (Include earth wire)
2
2 (Shield wire)
2
2
and 2 mm
(up to 200 m)
G
B
3
H
2
or more
2
or more
2
or more