Toshiba MCY-MUG0401HSW-E Service Manual page 87

2. Manual address setting with the remote controller
With indoor wiring work completed and outdoor wiring work not done—in cases where indoor unit addresses are
decided in advance from the wired remote controller, or where addresses are change after address setup.
(Wiring example of 2 refrigerant lines)
Line 1
Outdoor
unit
Indoor
unit 1
Remote
controller
Line (system) address
Indoor unit address
Group address
For the above example, disconnect the remote controller connections between the indoor units and
connect a wired remote controller individually before manual address setup.
(Wiring during manual address setup)
Line 1
Outdoor
unit
Indoor Indoor
unit 1 unit 2
Remote Remote
controller controller
After address setup, return to the original wiring over remote controllers.
Indoor Indoor
unit 2 unit 3
1 1
1 2
1 2
Header Follower
Line 2
Indoor
unit 3
Remote Remote
controller controller
Line 2
Outdoor
unit
Indoor
unit 1
Remote
controller
1 2
3 1
2 1
Follower Header
Outdoor
unit
Indoor
Indoor
unit 1
unit 2
Remote
controller
86
Indoor
unit 2
2
2
2
Follower