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RT-SVX20A-E436
Wiring the wall-mounted CO2
sensor
DVC setpoint potentiometer on
economizer module can be adjusted
as follows:
0% - 500ppm, 50% - 1000 ppm,
100% - 1500ppm
The outside air damper will
modulate from minimum position
setting to up to 100% while
attempting to maintain the CO
2
setpoint.
Wiring the duct-mounted CO
2
sensor
1. Connect the common wire from
the controller to the ground
terminal (terminal 0) (Figure 16).
2. For voltage output, connect the
signal wire to terminal V.
3. Connect the power according to
the guidelines in Power supply
requirements.
Figure 15 - Wall-mounted CO
2
sensor wiring
Figure 16 - Terminal connections and LED locations
1 = Outer jumper
2 = Power terminal
3 = Ground terminal
4 = Output terminals
1
2
3
4