Daikin EKFCMBCB7 - External Connection Possibility; Address Zones and Wiring; Connection Notes

EKFCMBCB7
Modbus interface PCB kit
4PW65443-1B – 2021.06
Installation manual
5
EXTERNAL CONNECTION POSSIBILITY
A Address zone 1 4 FWF or FWC unit that needs its own remote
controller address
B Address zone 2
C Address zone 3 5 FWF or FWC unit that does not need its own
remote controller address
D Address zone 4
E Termination of the Modbus communication line 6 Remote controller
1 Centralized control system 7 Remote controller communication line
2 Modbus communication line 8 Transmission wiring
3 Fan coil unit with integrated Modbus
communication
Fan coil unit that needs a Modbus PCB
NOTE
■ Each remote rontroller communication group needs an address set by the wired
remote controller. Refer to "Setting of group number with the wired remote
controller" on page 7.
■ Maximum 16 remote controller addresses can be connected to a Modbus PCB.
■ Maximum 64 remote controller addresses can be used on a central remote
controller.
A
1
2
6
4
7
55
BCD
EE
2
6
4
6
4
SS2
=OFF
6
4
6
4
SS2
=OFF
SS2
=OFF
6
4
SS2
=ON
3
33
8
4PWEN65443-1B.book Page 5 Tuesday, June 29, 2021 11:58 AM