Group Address - Toshiba BMS-TP0640ACE Manual

4-2 Definition of address
Indoor unit address
• "Indoor unit address" is to make outdoor unit recognize an individual indoor unit.
This indoor unit address is allocated to every indoor unit one by one for every refrigerant system.
(At shipment=99, Address unset)
Outdoor unit
Indoor unit
Remote
controller
Indoor unit
address

Group address

• "Group address" is the address to recognize group control and decide the header indoor unit and the
follower indoor unit.
Group address and header indoor unit is decided automatically when automatic address setting is
performed.
(Which indoor unit becomes the header unit is indefinite when automatic address setting is performed.)
Indoor unit on individual control
Header indoor unit of group control : Group address = 1
Follower indoor unit of group control : Group address = 2
Outdoor unit
Indoor unit
Remote
controller
Indoor unit
address
Group
address
Header Follower
1 2 3 4
: Group address = 0 (At shipment=99, Address unset)
Header Follower
Header Follower
1 2 3 4
0 0 1 2
Individual Group
control control
Header Follower
1 2
Header Follower
Follower Header
1 2
0 2
Individual Group
control control
57
3 4
Follower
3 4
1 2