3-1. NETWORK CONVERTOR
MODEL: UTY-VTGX
● With this network convertor, single split type and multi system air
conditioners can be controlled by Central remote controller, Touch
panel controller, System controller in VRF network system or by wired
remote controller that is connected to the Network convertor.
● Start/Stop, operation mode, temperature setting, fan speed, etc. can be
done with these controllers.
● One Network convertor can be connected and controlled up to 16
indoor units.
● 1 wired remote controller is possible for one network convertor by UTY-
VTGX.
● Up to 100 network convertors can be connected in one VRF network
system. (One Network convertor is regarded as one refrigerant system.
The total refrigerant systems in one VRF network system must be
within 100.)
SYSTEM DIAGRAM
Group of Single Split System
*1
Single Split
System
VRF system
To outdoor
units
Multi System
*2
(2 to 4 rooms multi )
Multi System
*2
(8 rooms multi)
Outdoor unit for
single split / multi system
Outdoor unit for
Multi system
Branch box Indoor unit
Touch panel
controller
Wired remote
controller
Transmission line
(non-polar 2-conductor)
Remote
controller line
Network
convertor
*1 : All indoor units connected to a network convertor are operating under same status.
*2 : Network convertor is necessary for each indoor unit to control indoor unit individually.
- (05 - 117) -
CONTROL
SYSTEM
CONTROL
SYSTEM
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