Fujitsu AIRSTAGE J-IIIL - Page 527

¢ Maximum wiring length
Transmission cable Maximum wiring length
Total wiring length of transmission 11,811 ft (3,600 m)
Maximum wiring length between units 1,312 ft (400 m)
Total wiring length in 1 segment 1,640 ft (500 m)
VRF network system Segment
Wiring length 11,811 ft (3,600 m) 1,640 ft (500 m)
Number of units 400 64
In the following case, Signal amplifier is required.
•
When the total length of the transmission cable exceeds 1,640 ft (500 m).
• When transmission cable length between each units exceeds (in segment) 1,312 ft (400 m).
• When the number of total unit exceeds 64 units. (For how to count units, refer to "How to count
element in a network segment" on page 06-10.
 Maximum wiring length of units
Name Model name Maximum wiring length Remarks
Network
convertor
UTY-VGGXZ1
Total length of group remote
controller cable to
Network
convertor
328 ft (100 m)
Used for group remote
controller
UTY-VTGX
Remote controller to Network
convertor
328 ft (100 m)
Used for single split air
conditioner
Indoor unit to Network
convertor
328 ft (100 m)
Network
convertor for
LonWorks
UTY-VLGX In each network segment 1,640 ft (500 m)
Modbus
convertor
UTY-VMGX In each network segment 1,640 ft (500 m)
Signal amplifier UTY-VSGXZ1 In each network segment 1,640 ft (500 m)
External switch
controller
UTY-TERX
UTY-TEKX
External switch to External
switch controller
164 ft (50 m)
Maximum connectable
indoor units: 16
2 remote controllers
can be used jointly.
Indoor unit to External switch
controller
82 ft (25 m)
Wired remote
controller
UTY-RNRUZ
UTY-RNKU
Remote controller cable 1,640 ft (500 m)
Simple remote
controller
UTY-RSRY
UTY-RSKU
UTY-RHRY
UTY-RHKU
1-2. VRF network system - (06-5) - 1. System design
SYSTEM DESIGN SYSTEM DESIGN