Toshiba HFC R-410A manual Control wiring diagram, All control wiring is 2-core non-polaritywire

6. Control wiring diagram

1.All control wiring is 2-core non-polarity wire.

2.Be sure to use shielded wire for the following wiring to prevent noise disturbance.

• Outdoor-outdoor/indoor-indoor/outdoor-indoor control wiring, central control wiring.

Central control
device	Super Modular Multi System

				Table 1
Master	Master	Slave	Slave	Slave	Master	Slave
unit	unit	unit	unit	unit	unit	unit
Outdoor unit
				Table 1	Table 2
Indoor unit
Table 3
Remote	Remote controller
controller				Remote controller

Table 1 Control wiring between indoor and outdoor units (L1, L2, L3)

Central control wiring (L4)

Wiring	2-core, non-polarity
Type	Shielded wire
Size	1.25 mm²: Up to 1000 m
Length	2.0 mm²: Up to 2000 m (*1)

(*1): Total of control wiring length for all refrigerant circuits ( L1 + L2 + L3 + L4 )

Table 2 Control wiring between outdoor units (L5)

Wiring	2-core, non-polarity
Type	Shielded wire
Size	1.25 mm² to 2.0 mm²
Length	Up to 100 m (L5)

Table 3 Remote controller wiring (L6, L7)

Wire	2-core
Size	0.5 mm² to 2.0 mm²
Length	• Up to 500 m ( L6 + L7 ).

•Up 400 m in case of wireless remote controller in group control.

•Up to 200 m total length of control wiring between indoor units ( L6 ).

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