Toshiba RAV-SP1604AT8-TR service manual Automatic Address Example from Unset Address No miswiring

10-2-2. Automatic Address Example from Unset Address (No miswiring)

1.Standard (One outdoor unit) 1) Single

1-1

Individual

(Master/Sub)

2)Group operation (Twin, Triple operation)

(Multiple outdoor units = Miltiple indoor units only with serial communication)

2-1

Sub/Header

1-1	1-2	3-1	3-2	3-3
Sub/Header	Sub/Follower	Master/Header	Sub/Follower	Sub/Follower

Only turning on source power supply (Automatic completion)

•Header unit: The header unit receives the indoor unit data (thermo status) of the follower (Without identical line address & indoor/outdoor serial) and then finally controls the outdoor compressor matching with its own thermo status.

The header unit sends this command information to the follower unit.

•Follower unit: The follower unit receives the indoor unit data from the header

(With identical line address & indoor/outdoor serial) and then performs the thermo operation synchronized with the header unit.

The follower unit sends own thermo ON/OFF demand to the header unit.

(Example)

No. 1-1 header unit sends/receives signal to/from No. 1-2 and No. 1-3 follower units. (It is not influenced by the line 2 or 3 address indoor unit.)

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