10-2-1.System Configuration - Toshiba RAV-GP561ATW-E Service Manual

10-2-1. System Configuration
(1) Single
Outdoor
1-1
Indoor
Individual
Remote
controller
(2) Twin
1-1
Master/Header
(3) Single group operation
2-1
Sub/Header
(4) Multiple groups operation (Single, Twin operation)
2-1
Sub/Header
• Header unit : The header unit receives the indoor unit data (thermostat status) of the follower (Without
identical line address & indoor / outdoor serial) and then finally controls the outdoor
compressor matching with its own thermostat 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 thermostat operation synchronized with the
header unit.
The follower unit sends own thermostat ON/OFF demand to the header unit.
(Example)
No. 1-1 header unit sends / receives signal to / from No. 1-2 follower units.
(It is not influenced by the refrigerating line 1 or 2 address indoor unit.)
(Master/Header)
1-2
Sub/Follower
1-1
Master/Header Sub/Header
• Each indoor unit controls the outdoor unit individually.
1-1
Master/Header Sub/Follower
3-1 4-1
Sub/Header
1-2
97
8-1
Sub/Header
(Max. : 8 units)