Fujitsu AJ 126LELDH Series - Page 628

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Electrical wiring
• For connecting single split type system
L N
POWER
X1 X2
TRANSMISSION
Y1 Y2 Y3 J1
REMOTE INDOOR UNIT
REMOTE CONTROLLER LINE
J2 J3
1Ø 50/60 Hz
208-240 V
Switch
Fuse (3 A)
Transmission cable to VRF System Transmission cable to VRF System
Wired remote controller
Indoor unit
Power supply
Network convertor
RC cable to
indoor unit
RC cable
to RC
Transmission cable
Power
supply
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
L N
POWER
L1
L3
L2
L4
X1 X2
TRANSMISSION
Y1 Y2 Y3 J1
REMOTE INDOOR UNIT
REMOTE CONTROLLER LINE
J2 J3
1Ø 50/60 Hz
208-240 V
Switch
Fuse (3 A)
Transmission cable
to VRF System
Transmission cable
to VRF System
Power Supply
Network convertor
Group remote controllers (Max. 4 sets)
L1 L2 L3 L4
Y1 Y2 Y3 J1
REMOTE INDOOR UNIT
REMOTE CONTROLLER LINE
J2 J3
RC cable to
indoor unit
RC cable
to RC
Transmission cable
Power
supply
● Total remote controller cable
length L1+L2+L3+L4 ≤ 100 m
● It is recommended to use a
terminal box when there is
wring junction.
or
3-3. Network converter (UTY-VGGXZ1) - (05-128) - 3. Adaptor/Convertor units
CONTROL SYSTEM CONTROL SYSTEM