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VCCX2 Controller Technical Guide
Outdoor Air Temperature Sensor
The G042330 Outdoor Air Temperature Sensor must be wired
as shown for proper operation of the VCCX2 Controller. The
Outdoor Air Temperature Sensor is a 10K Type III thermistor
sensor.
A Outdoor Air Temperature Signal can be connected to AI7 for
applications requiring an Outdoor Air Temperature Setpoint.
See Figure 16, this page for details.
For applications involving Outdoor Air Humidity, the vertical
or horizontal E-BUS Outside Air and Humidity Sensor must be
used instead. See Figure 17, page 36 for details.
CAUTION: Be sure to mount the Outdoor Air
Temperature Sensor in the upright position,
in an area that is not exposed to direct
sunlight, and is protected from the elements.
The shaded area under the HVAC unit rain
hood is normally a good location. Unused
conduit opening(s) must have closure plugs
installed and must be coated with sealing
compound to provide a rain-tight seal. Water
can damage the sensor.
Figure 16: Outdoor Air Temperature Sensor Wiring
WIRING
E-BUS Outdoor Air Temperature Sensor
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