CO
2
SENSOR
Technical Guide
4
Figure 2: Wall Mounted Space CO
2
Sensor & Digital Room Sensor Wiring for VCM-X E-BUS Controller
Wall-Mounted Space CO
2
Sensor Wiring to HVAC Unit Controller
Wall-Mounted CO
2
Sensor
The Wall-Mounted Space CO
2
Sensor utilizes a sub-base mounting plate
with a modular phone jack providing quick and easy mounting and wir-
ing. The wall-mounted sensor’s sub-base is compatible with standard
junction boxes. A locking screw secures the assembly to the wall.
Optional Mounting Plate
Included with the CO
2
Sensor is a mounting plate that can be
used, if necessary, to cover the sensor sheet rock opening. This
mounting plate screws onto the back of the housing base. The
mounting plate is then mounted and covers the recessed space
in the wall. A locking screw secures the sensor to the wall. See
Figure 8, page 10
for mounting plate dimensions.
Wiring to the HVAC Unit Controller
The Wall-Mounted Space CO
2
Sensor connects to the VCM-X E-BUS
Controller with the TSDRSC modular cable. It can be daisy-chained
with the Digital Room Sensor or used separately from a Standard Room
Temperature Sensor for applications requiring both a room CO
2
sensor
and room temperature sensor.
Refer to
Figure 2
for instructions.
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