
Technical specifications
Table 17: TEC3000 Series Networked and Wireless On/Off or Floating Fan Coil and Individual
Zone Thermostat Controllers with Dehumidification Capability
Specification
Description
Power requirements
19 to 30 VAC, 50/60 Hz, 4 VA at 24 VAC nominal, Class 2 or safety
extra-low voltage (SELV)
USB port power rating
120 to 250 mA current draw supported
Relay contact
rating
On/off or
floating
control
19 to 30 VAC, 1.0 A maximum, 15 mA minimum, 3.0 A in-rush,
Class 2 or SELV
Fan relay output rating
19 to 30 VAC, 1.0 A maximum, 15 mA minimum, 3.0 A in-rush
Auxiliary output rating/triac
output
19 to 30 VAC, 1.0 A maximum, 15 mA minimum, 3.0 A in-rush
Binary inputs
Dry contact across terminal COM to terminals BI1, BI2, or COS
Analog inputs
Nickel, platinum, A99B, 2.25k ohm NTC, 10k ohm NTC, 10k ohm
NTC Type 3 across terminal COM to terminals R SEN or COS
Temperature sensor type
Local digital sensor
Wire size
18 AWG (1.0 mm diameter) maximum, 22 AWG (0.6 mm
diameter) recommended
For wired models: Up to 100 devices maximum for each Network
Automation Engine (NAE); 4,000 ft (1,219 m) maximum cable
length. Refer to the
MS/TP Technical Bulletin
for the
Metasys
, FX, or
Verasys
®
system installed.
MS/TP network guidelines
For wireless models: Up to 100 devices maximum for each
Network Automation Engine (NAE)
Wireless band (for wireless
models)
Direct-sequence spread-spectrum 2.4 GHz ISM bands
Transmission power (for
wireless models)
10 mW maximum
Transmission range (for
wireless models)
50 ft (15.2 m) recommended indoor
250 ft (76.2 m) line of sight, maximum
Backlit display -40.0°F/-40.0°C to 122.0°F/50.0°C in 0.5° increments
Heating
control
40.0°F/4.5°C to 90.0°F/32.0°C
Temperature
range
Cooling control 54.0°F/12.0°C to 100.0°F/38.0°C
Temperature
±0.9F°/±0.5C° at 70.0°F/21.0°C typical calibrated
Accuracy
Humidity
±5% RH from 20 to 80% RH at 50°F to 90°F (10°C to 32°C)
Minimum deadband
2F°/1C° between heating and cooling
Occupancy sensor motion
detection (occupancy sensing
models)
Minimum of 94 angular degrees up to a distance of 15 ft (4.6 m);
based on a clear line of sight
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TEC3000 Series On/Off or Floating Fan Coil Thermostats Installation Guide