Biddle SensAir, Manual

Page: 39 / 208

S
ENS
A
IR
M
ANUAL
I
NSTALLATION
Manual version 1.0- North America (13-09-2016) en-39
en
Connecting the unit to Modbus
1. Lay a cable between the Modbus system and the unit.
2. Attach the cable to the unit, in accordance with the wiring
diagram:
- Connect the cable to terminal X74 on the upper side
of the unit.
Note:
n
For a more reliable signal, it is possible to connect a
120 Ohm resistor. For this purpose, place a bridge
between positions 1 and B of terminal X382 on the
control circuit board in the unit.
Note:
n
A detailed manual for the connection and usageand
of ModBus is available on:
www.biddle.info.
2.9 Finishing the unit
2.9.1 Finishing free-hanging models
Position the inlet grille
Hook the inlet grille onto the unit.
Position the side caps
Click the side caps to either side of the unit:
If linking two or more units to each other, fit the end caps to
the outer ends.
The threaded rod lining (accessory)
Fasten the threaded rod lining in accordance with the instruc-
tions supplied.