Fujitsu Airstage J-IVS AJ 040LCLDH Series Design & Technical Manual page 574

¢ Electrical wiring
• For connecting single split type system
Transmission cable to VRF System
1Ø 50/60 Hz
208-240 V
RC cable
to RC
RC cable to
indoor unit
Transmission cable
NOTES:
• Do not bind the power cable and the remote controller cable to avoid erroneous operation.
• Use shielded cable for transmission line and remote controller line. The shielded metal should
be grounded.
• Use ground wire to ground the Network converter.
• For connecting Group remote controllers
1Ø 50/60 Hz
208-240 V
Switch
RC cable
to RC
RC cable to
indoor unit
Transmission cable
3-3. Network converter (UTY-VGGXZ1)
Fuse (3 A)
Switch
L N
POWER
Power supply
Power
supply
Transmission cable
to VRF System
Fuse (3 A)
L N
POWER
Power Supply
Network convertor
Power
supply
Transmission cable to VRF System
X1 X2 Y1 Y2 Y3 J1 J2 J3
TRANSMISSION REMOTE INDOOR UNIT
REMOTE CONTROLLER LINE
Network convertor
Group remote controllers (Max. 4 sets)
Transmission cable
to VRF System
L1
L3
X1 X2 Y1 Y2 Y3 J1 J2 J3
TRANSMISSION REMOTE INDOOR UNIT
REMOTE CONTROLLER LINE
or
L1 L2
Y1 Y2 Y3 J1 J2 J3
REMOTE INDOOR UNIT
REMOTE CONTROLLER LINE
- (05-128) -
Wired remote controller
Indoor unit
L2
L4
● Total remote controller cable
length L1+L2+L3+L4 ≤ 100 m
● It is recommended to use a
terminal box when there is
wring junction.
L3 L4
3. Adaptor/Convertor units