Toshiba RAV-HM561UTP Series Service Manual page 100

10-2-2. Automatic Address Example from Unset Address (No miswiring)
1. Standard (One outdoor unit)
1-1
Individual
(Header/Master)
Only turning on source power supply (Automatic completion)
2. Group operation
(Multiple outdoor units = Multiple indoor units with serial communication only, without twin)
2-1
Header/Sub Header/Sub
Only turning on source power supply (Automatic completion)
3. Multiple groups operation
Single
2-1
Header/Sub Header/Sub
2-1
(1-1) (1-2)
1-2
Header/Master Follower/Sub
1-1 3-1
Header/Master
Twin
1-1 2-3
Follower/Master
Manually change addresses of the multiple sub units
1-1 1-2
1-1
Header/Sub
Change is necessary
simultaneously from the remote controller.
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