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HR 12 M
ANUAL
2.7
Installing sensors for control (accessory)
Manual version 1.0 (15-07-2018)
4. Feed the control cable into the electronics module.
5. Connect the cable to X535 1, in accordance with the wir-
ing diagram.
6. Screw the wall holder onto the electronics module, the
junction box or against the wall.
Caution:
c
Ensure that the wall behind the wall holder is even.
For some controls, a sensor is required to provide the input:
•
automatic CO
control
2
Connect the sensor that is to be used to the appropriate con-
nection point in the electronics module.
2.7.1 Installing CO
sensor
2
With automatic CO
control, the CO
2
building management system (BMS). If this information is not
available, a CO
sensor must be connected.
2
1. Place the CO
sensor (accessory) in extract channel 1, in
2
accordance with the supplied instructions.
2. Connect the sensor to X3 (G UI 24VAC) 2 in the elec-
tronics module in accordance with the wiring diagram.
Note:
n
The CO
level in the room must be optimal at least
2
once per week so that the sensor can maintain a
good calibration level.
If this situation does not occur naturally, you can
make it happen by (for example) having the unit start
up an hour earlier once per week.
I
NSTALLATION
level is supplied by the
2
en-17
en
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