Biddle SensAir, Manual

Page: 35 / 208

S
ENS
A
IR
M
ANUAL
I
NSTALLATION
Manual version 1.0- North America (13-09-2016) en-35
en
2. Connect the units: connect the connecting cable to
X530 of the next unit.
3. Repeat steps 1 and 2 for each unit which is to be con-
nected.
Caution:
c
Do not remove the dummy plug from the last unit,
as this may lead to errors.
2.8 Installing external controls
2.8.1 Special points regarding external controls
Input on the control panel X426
The control panel has one input signal interface. This can be
used for an external ON/OFF signal or for an additional tem-
perature sensor.
Inputs on the unit i1, i2, i3
On terminal block X520, the unit has three input signal inter-
faces. A door contact switch can be connected to this. Other
possibilities include a timer switch or a signal from a building
management system.
Caution:
c
The inputs are designed for controls with potential-
free contacts, and are not to be loaded.
Caution:
c
The inputs of multiple units must NOT be connected
to each other.
Note:
n
With the setting All units off and with the NC
(Normally Closed) settings of function 60. Function
of inputs , a jumper must be laid on the input for all
the subsequent connected units.