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
Network Convertor
(UTY-VGGX Z1)
Group Remote Controller
ELECTRICAL WIRING
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 Line
to VRF System
Transmission Line
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 line to
indoor unit
RC line
to RC
Transmission line
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
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. ●
- (05 - 103) -
CONTROL
SYSTEM
CONTROL
SYSTEM
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