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86 VAV-PRC011M-EN
DDC Controls
Tracer UC210 and Tracer UC400 Programmable BACnet Controllers
The Tracer™ UC210 and Tracer UC400 are programmable controllers available on Varitrane VAV
boxes which provide accurate airflow and room temperature control. The controller can operate
in pressure-independent or pressure-dependent.
The UC210 and UC400 monitor zone temperature, temperature set point, and flow rate. The
controller also accepts a discharge air temperature sensor and accepts a supply air temperature
from the building controller. hen used with a Tracer SC or other BACnet
®
building controller zone
grouping, system set points and unit diagnostics can be obtained. Also factory commissioning of
parameters is specified by the engineer. (See “Factory-installed vs. Factory-commissioned,” p. 10
for more details).
Specifications
Supply Voltage
24 VAC, 50/60 Hz
Maximum VA Load
No Heat or Fan
13VA for cooling box only (includes temperature sensors, flow sensor, occupancy input and air
valve).
Additional power needed for other devices and power sensors. See IOM VAV-SVX008*-EN for
details.
Fan: 6VA
Proportional water valve: 4VA
2 position water valve: 6.5VA
Staged electric: 10VA (magnetic contactor) each stage
Binary Inputs
Occupancy. Tracer UC400 also has two additional generic binary inputs.
Binary Outputs
Fan Start, Air valve Open, Air Valve Closed, Heat (Water valve open/closed or staged heat)
The Tracer UC400 also has two generic relays outputs.
Universal Analog Inputs
CO2 and one generic analog input.
Temperature Inputs
Discharge, Zone Temperature, and Zone Set Point.
Tracer UC400 also has two generic temperature inputs.
UC210 BACnet Controller
UC400 BACnet Controller
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