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VCCX2 Controller Technical Guide
Return Air Temperature Sensor
G051240 (6 inch) or G051250 (12 inch) Return Air Temperature
Sensor must be wired as shown for proper operation. The Return
Air Temperature Sensor is a 10K Type III thermistor sensor. The
Return Air Temperature Sensor should be mounted in the return
air duct. If the system has a Zoning Bypass Damper installed,
be sure the return air sensor is located upstream of the bypass
duct connection.
A Return Air Temperature Signal can be connected to AI4 for
applications requiring a Return Air Temperature Setpoint.
See Figure 13, this page for details.
Figure 13: Return Air Temperature Sensor Wiring
WIRING
Return Air Temperature Sensor
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