
AQS 51/61 CO2 / TEMPERATURE SENSOR WITH BUILT-IN CONTROLLER
EN1B-0189GE51 R0102
2
DIMENSIONS
Fig. 1. Dimensions (in mm) of AQS 51/61 (all oval holes have the same size)
WALL MOUNTING
Mounting the Wall Plate
The wall plate mounts vertically on the wall or on the wall
wiring outlet box.
1. Position and level the wall plate on the wall and use a
pencil to mark the mounting holes.
2. Remove the wall plate from the wall, drill two holes for
M4 screws in the wall as marked, and insert dowel into
the holes.
3. Position the wall plate over the holes and pull the wires
through the wiring opening.
4. Loosely insert the mounting screws into the holes and
Fig. 2. Mounting of the wall plate
Mounting System Unit onto Wall Plate
1. Bend the wires to the top to allow wiring connections to
the terminals.
2. Engage first the top tabs of the sensor/controller pro-
tection case into the top holes of the wall plate and then
press the lower edge of the case onto the wall plate to
latch (see Fig. 3). Be careful not to damage the tem-
perature sensor.
Fig. 3. Mounting the sensor/controller onto the wall plate
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