CNT-PRC003-EN 9
®
Power requirements
Supply: 18–32 Vac (24 Vac nominal) at
50/60 Hz
Operating environment
Temperature:
32 to 140°F (0 to 60°C)
Relative humidity:
From 5 to 95% non-condensing
Storage environment
Temperature:
-40 to 185°F (-40 to 85°C)
Relative humidity:
From 5 to 95% non-condensing
Dimensions
(See Figure 6 on page 10.)
Board only
Height: 4.5 in. (11.4 cm)
Width: 5.5 in. (13.8 cm)
Depth: 2 in. (5.1 cm)
With enclosure (VV551)
Height: 7.5 in. (13.7 cm)
Width: 6.5 in. (16.7 cm)
Depth: 5.5 in. (14.0 cm)
Weight with enclosure
(Tracer VV551)
With no actuator: 3.9 lb (1.77 kg)
With Belimo actuator: 5.0 lb (2.27 kg)
With Trane actuator: 5.2 lb (2.36 kg)
Analog inputs
Space temperature; thermistor:
10 kΩ@ 77°F (25°C)
From 14 to 122°F (-10 to 50°C)
Space setpoint; potentiometer:
1 kΩ
From 50 to 90°F (-10 to 32.2°C)
Primary/discharge air temperature;
thermistor:
10 kΩ@ 77°F (25°C)
From -40 to 212°F (-40 to 100°C)
Primary air flow; pressure transducer:
From 0 to 2 in. water (0 to 498 Pa)
Binary input
Occupancy or generic (dry contact)
Binary outputs
Air valve close:
maximum output rating: 12 VA
Air valve open:
maximum output rating: 12 VA
Heat stage 1:
maximum output rating: 12 VA
Heat stage 2:
maximum output rating: 12 VA
Heat stage 3/Fan on/off:
maximum output rating: 12 VA
Agency listings/compliance
Tracer VV550:
UL 873 and CSA C22.2 No. 24-93:
Temperature Indicating and Regulating
Equipment
Tracer VV551:
UL-916-PAZX—energy management
CUL-C22.2—signal devices—Canada
UL 94-5V (UL flammability rating for
plenum use)
FCC Part 15, Class A
CE marked
Dimensions and specifications
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