Fujitsu Airstage ASUB24TLAV1 - Page 515

3-6. BACnet
®
GATEWAY (HARDWARE)

MODEL: UT Y-VBGX
● The convertor for connecting VRF network system to the BMS
system using BACnet
®
protocol.
● Maximum of 128 indoor units can be connected to one BACnet
®
Gateway.
● VRF system can be centrally controlled or monitored from BMS via
UTY-VBGX.
● Maximum of 4 BACnet
®
Gateway can be connected to one BMS.

SYSTEM DIAGRAM
z
System diagram
BACnet
®
Gateway
(UTY-VBGX)
BACnet
®
Gateway
(UTY-VBGX)
BACnet
®
/ IP
General-purpose building
control computer
(BACnet
®
Gateway device)
Maximum 128
indoor units
Maximum 100
outdoor units
Maximum 4 Network BACnet
®
Gateway (UTY-VBGX)
Maximum 100
outdoor units
Maximum 128
indoor units
VRF network system 1
VRF network system 4
VRF network
Lighting
facilities
Security
system
Ventilation
system
Automatic re
alarm interface
NOTE :
UTY-VBGX and UTY-ABGX(Z1) can't co-exist within a VRF system.
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CONTROL SYSTEM CONTROL SYSTEM