Fujitsu AIRSTAGE J-II Design & Technical Manual page 407

2. For connecting group remote controller(s)
FEATURES
„ „
● Up to a total of 16 network convertors, Central remote controller and Touch panel controller
can be connected in one VRF network system.
● Four group remote controllers can be connected to one network convertor.
● Two refrigerant systems can be covered by one network convertor.
SYSTEM DIAGRAM
„ „
VRF Network
ELECTRICAL WIRING
„ „
Transmission Line
1Ø 50/60 Hz
208-240 V
SWITCH
RC line
to RC
RC line to
indoor unit
Transmission line
NOTES:
● Do not bind the power cable and remote controller cable to avoid an erroneous operation.
● Use shield cable for transmission line and remote controller line. The shield metal should be grounded.
● Use ground wire to ground the network convertor.
Network Convertor
(UTY-VGGXZ1)
to VRF System
FUSE (3 A)
X1
L N
TRANSMISSION
POWER
Power Supply
NETWORK CONVERTOR
Power
supply
- (05 - 103) -
Group Remote Controllers (Max. 4 sets)
Transmission Line
to VRF System
L1
L3
X2 Y1 Y2 Y3 J1 J2 J3
REMOTE INDOOR UNIT
REMOTE CONTROLLER LINE
or
L1 L2
Y1 Y2 Y3 J1 J2 J3
REMOTE INDOOR UNIT
REMOTE CONTROLLER LINE
Group Remote Controller
L2
L4
● Total remote controller cable
length L1+L2+L3+L4 <
● It is recommended to use a
terminal box when there is
wring junction.
L3 L4
100 m
=