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VAV-PRC003-EN 35
Table 4. Zone sensor options
Specifications
Figure 40. VariTrac DDC zone
sensors
Number of
Zone Sensor Options Required Wires
1
Sensor only (no communications jack available) 2
Sensor with adjustable setpoint 3
Sensor with night setback override and cancel buttons 2
Sensor with adjustable setpoint and night setback
override and cancel buttons 3
Sensor with digital display and adjustable setpoint and
night setback override and cancel buttons 5
2
Notes:
1
Most sensors have a communication jack available as an option. If these jacks are used, they must be
wired to the UCM using an approved two-conductor, shielded cable. The communication jacks do not
need to be wired for the system to operate properly.
2
Three wires are required for sensor connections. Two wires are required for 24-Vac power connection.