Biddle HR 25 - Connecting the Temperature Sensor (Accessory)

INSTALLATION HEAT RECOVERY UNIT
en-24
en
2.9 Connecting the temperature sensor (accessory)
Only for models with HC6 heating/cooling module
with water-side control
A temperature sensor is included with the water-side control
valve.
1. Position the temperature sensor in the channel for the
su
pply air 1.
Caution:
c Insofar as is possible, position the sensor in the
centre of the channel.
Place the sensor as far as possible from the heating/
cooling module. Bear in mind the cable length of the
sensor.
2. Feed the cable of the sensor through a cable gland in
to the
el
ectronics module.
3. Connect the sensor at positions 24 and 25 of terminal
X2
2, in accor
dance with the wiring diagram:
Note:
n If required, remove any existing connections to
positions 24 and 25 of terminal X2.
2.10 Installing sensors for control (accessory)
For some controls, a sensor is required to provide the input:
•automatic CO
2
control
Connect the sensor that is to be used to the appropriate con-
nection point in the electronics module.