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3-4. Restrictions for using BAC-HD150 in combination with other controllers
(When BAC-HD150 is connected to the expansion controller)
After AG-150A or other controllers are connected to an air conditioning system, each controller can control the system.
Note that the number of connectable controllers and compatible software versions are limited.
If the software version is not compatible, update the software version of the controllers.
Unless AG-150A and/or PAC-YG50ECA support the dual set point function, BAC-HD150 is not also available for the dual set
point function (AV_xxxx24-28).
Refer to the Instruction Manual with regard to AV_xxxx24-28.
(1)Restrictions on the number of connectable units
Only one BAC-HD150 can be connected to the M-NET line.
Note that the BAC-HD150 cannot be connected to the expansion controller unless the AG-150A is also connected to the
expansion controller.
The total number of AG-150A and BAC-HD150 units must be three or less.
Up to three expansion controllers can be connected to one BAC-HD150 unit.
(2)Compatible software versions and the number of connectable controllers
The number of
connectable controllers
Software
version
(3)Restrictions on the DB No.
Controllers with different DB No. cannot be connected to each other.
When DB No. on the controllers is different, update the software version of the controllers.
(4)Miscellaneous restrictions
Use AG-150A to make group settings and interlocked ventilation settings.
Consult your dealer for details.
BAC-HD150
AG-150A
PAC-YG50ECA
AG-150A
BAC-HD150
PAC-YG50ECA
AG-150A
BAC-HD150
PAC-YG50ECA
HUB
LAN
LAN
LAN
3 units or less
1 or 2 units
1 unit
Ver. 1.30 or later
Ver. 2.30 or later
Ver. 2.00 or later
M-NET
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