C
ONTENT OF KIT
See figure 1
1
Modbus interface PCB
2
Wires
A: Power supply wire for FWF models
B: Power supply wire for FWC models
C: Communication wire
3
Tie wraps
4
Spacers
5
Installation manual
N
AME OF PARTS
See figure 2
1
Connector to the fan coil unit PCB for power supply with wire A or B
2
Connector to the fan coil unit terminal block for communication (F1/F2) with wire B
3
Communication wires from the field
4
SS1: Put on OFF position
5
SS2: Switch to decide position of Modbus PCB in communication line
(refer to
"External connection possibility" on page
S
PECIFICATION OF COMMUNICATION WIRES
Specifications field wiring
Wire type
Wire size
Maximum total wire length
EKFCMBCB7
Modbus interface PCB kit
4PW65443-1B – 2021.06
EKFCMBCB7
Twisted pair sheathed cable
2
0.75~1.25 mm
500 m
5)
Installation manual
3
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