Published in U.S.A.
www.johnsoncontrols.com
TEC2145-4 N2 Networked Thermostat Controller with Single Proportional Output and One-Speed Fan
Control Installation Instructions
17
Metasys® and Johnson Controls® are registered trademarks of Johnson Controls, Inc.
All other marks herein are the marks of their respective owners. © 2010 Johnson Controls, Inc.
Building Efficiency
507 E. Michigan Street, Milwaukee, WI 53202
Technical Specifications
TEC2145-4 N2 Networked Thermostat Controller with Single Proportional Output and
One-Speed Fan Control
Power Requirements
19 to 30 VAC, 50/60 Hz, 2 VA (Terminals 4 and 5) at 24 VAC Nominal, Class 2 or
Safety Extra-Low Voltage (SELV)
Analog Output Rating
0 to 10 VDC into 2k ohm Resistance (Minimum)
Fan Relay Output Rating
19 to 30 VAC, 1.0 A Maximum, 15 mA Minimum, 3.0 A Inrush, Class 2 or SELV
Auxiliary
Output Rating
Triac Output
19 to 30 VAC, 1.0 A Maximum, 15 mA Minimum, 3.0 A Inrush
Analog Inputs
Resistive Inputs (RS and UI3) for 10k ohm Johnson Controls Type II Negative Temperature
Coefficient (NTC) Thermistor Sensors
Binary Inputs
Voltage-Free Contacts Across Terminal Scom to Terminals BI1, BI2, or UI3
Wire Size
18 AWG (1.0 mm Diameter) Maximum, 22 AWG (0.6 mm Diameter) Recommended
Thermostat Controller
Measurement Range
-40.0°F/-40.0°C to 122.0°F/50.0°C
Sensor Type
Local 10k ohm Johnson Controls Type II Negative Temperature Coefficient (NTC)
Thermistor Sensor
Resolution
±0.2F°/±0.1C°
Control Accuracy
±0.9F°/±0.5C° at 70.0°F/21.0°C Typical Calibrated
Temperature
Range
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
Cooling
Control
54.0°F/12.0°C to 100.0°F/38.0°C
Default Minimum Deadband
2F°/1C° between Heating and Cooling
Ambient
Conditions
Operating
32 to 122°F (0 to 50°C); 95% RH Maximum, Noncondensing
Storage
-22 to 122°F (-30 to 50°C); 95% RH Maximum, Noncondensing
Compliance
United States
UL Listed, File E27734, CCN XAPX,
Under UL 873, Temperature Indicating and Regulating Equipment
FCC Compliant to CFR 47, Part 15, Subpart B, Class A
Canada
UL Listed, File E27734, CCN XAPX7,
Under CAN/CSA C22.2 No. 24, Temperature Indicating and Regulating Equipment
Industry Canada, ICES-003
Europe
CE Mark, EMC Directive 2004/108/EC
Australia and
New Zealand
C-Tick Mark, Australia/NZ Emissions Compliant
Shipping Weight
0.75 lb (0.34 kg)
The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these
specifications, consult the local Johnson Controls office. Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or
misuse of its products.
