Fujitsu AJ 126LELDH Series Design & Technical Manual page 719

¢ Maximum wiring length
Transmission cable
Total wiring length of transmission
Maximum wiring length between units
Total wiring length in 1 segment
Number of units
In the following case, Signal amplifier is required.
• When the total length of the transmission cable exceeds 500 m.
• When transmission cable length between each units exceeds (in segment) 400 m.
• When the number of total unit exceeds 64 units. (For how to count units, refer to
units in a network segment"
 Maximum wiring length of units
Name Model name
UTY-VGGXZ1
Network
converter
UTY-VTGXV
UTY-VGGXZ1
Network
converter for
LonWorks
KNX converter
for VRF
KNX converter
for indoor unit
Modbus
converter
BACnet
gateway
(Hardware)
External switch
controller
UTY-RNRZ
Wired remote
controller
Simple remote
controller
1-2. VRF network system
Wiring length
on page 06-10.
Total length of group remote
controller cable to Network
converter
Remote controller to Network
UTY-VTGX
converter
Indoor unit to Network
converter
UTY-VLGX In each network segment
UTY-VKGX In each network segment
UTY-VKSX In each network segment
UTY-VMGX In each network segment
UTY-VBGX BMS to BACnet gateway
External switch to External
UTY-TERX switch controller
UTY-TEKX Indoor unit to External switch
controller
UTY-RLR
UTY-RNK
UTY-RSR Remote controller cable
UTY-RSK
UTY-RHR
UTY-RHK
Maximum wiring length
VRF network system
3,600 m
400
Maximum wiring length
100 m
100 m
100 m
500 m
500 m
500 m
500 m
100 m
500 m
- (06-5) -
3,600 m
400 m
500 m
Segment
500 m
64
"How to count
Remarks
Used for group remote
controller
Used for single split air
conditioner
50 m
25 m
Maximum connectable
indoor units: 16
2 remote controllers
can be used jointly.
1. System design