Wiring System Diagram; Connection Cable Preparation; Connection Of Wiring - Fujitsu Ceiling Type Installation Manual

6.1. Wiring system diagram

Connection diagrams
Standard pair
Connection cable
Indoor unit
Earth (Ground) line
Power line
Wired remote controller cable
Indoor unit
*
Red
White
Black
Indoor unit
Remote controller cable
*Earth (Ground) the remote controller if it has a earth (ground) line.
Flexible multi
Connection cable
Earth (Ground) line
Indoor unit
Power line
Control line
Indoor unit
Wired remote controller cable
Indoor unit
*
Red
White
Black
Remote controller cable
*Earth (Ground) the remote controller if it has a earth ground) line.
Flexible multi (branch box)
Connection cable
Earth (Ground) line
Indoor unit
Control line
Power line
Indoor unit
Wired remote controller cable
Indoor unit
*
Red
White
Black
Remote controller cable
*Earth (Ground) the remote controller if it has a earth ground) line.
En-7
Outdoor unit
Control line
Wired remote
controller
*
R
W
B
Outdoor unit
Wired remote
controller
*
R
W
B
Branch box
Outdoor unit
Control line
Power line
Wired remote
controller
R
W
B
Simultaneous twin
Connection cable
Indoor unit (Primary)
Indoor unit
(Secondary)
Wired remote controller cable
Indoor unit (Primary)
Indoor unit
(Secondary)
*Earth (Ground) the remote controller if it has a earth (ground) line.
• Connect the remote controller wires to the primary unit.
Simultaneous triple
Connection cable
Indoor unit (Primary)
Indoor unit
(Secondary)
Indoor unit
(Secondary)
Wired remote controller cable
Indoor unit (Primary)
Indoor unit
(Secondary)
Indoor unit
*
(Secondary)
*Earth (Ground) the remote controller if it has a earth (ground) line.
• Connect the remote controller wires to the primary unit.
Wired remote controller is recommended using simultaneous twin or triple connection.
(18, 22, 24 type only)
Junction box
(Local purchase)
Earth (Ground) line
Earth (Ground) line
Control line
Power line
*
Red
White
Black
Remote controller cable
Bus wire
(Local purchase)
(18 type only)
Junction box
(Local purchase)
Earth (Ground) line
Earth (Ground) line
Control line
Power line
*
Red
White
Black
Remote controller cable
Bus wire
( Local purchase )
Outdoor unit
Wired remote
controller
*
R
W
B
Outdoor unit
Wired remote
controller
*
R
W
B