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TEC2045-2 Wireless Thermostat Controller with Single Proportional Output and One-

Speed Fan Control Installation Instructions

1

Application

The TEC Series Wireless Thermostat Controller 
System provides wireless networked control of 
Heating, Ventilating, and Air Conditioning (HVAC) 
equipment on a Building Automation System (BAS) 
that enables remote monitoring and programming. This 
TEC Series System integrates into a supervisory 
controller using BACnet® Internet Protocol (IP) or 
BACnet Master-Slave/Token-Passing (MS/TP) 
communications.

TEC20 Coordinators allow the supervisory controller to 
communicate with multiple TEC Wireless Thermostat 
Controllers. TEC2045-2 Wireless Thermostat 
Controllers control two-pipe fan coils, cabinet unit 
heaters, or other equipment using a proportional 0 to 
10 VDC control input and one-speed fan control. 

The wireless mesh network uses ZigBee® technology 
to enable remote monitoring and programming and to 
enhance reliability by providing redundant transmission 
paths through other TEC Wireless Thermostat 
Controllers, creating a resilient, self-healing mesh 
network.

North American Emissions Compliance

United States

Canada 

IMPORTANT:

The TEC2045-2 Wireless 

Thermostat Controller is intended to provide an input 
to equipment under normal operating conditions. 
Where failure or malfunction of the thermostat 
controller could lead to personal injury or property 
damage to the controlled equipment or other 
property, additional precautions must be designed 
into the control system. Incorporate and maintain 
other devices such as supervisory or alarm systems 
or safety or limit controls intended to warn of, or 
protect against, failure or malfunction of the 
thermostat controller. 

This equipment has been tested and found to comply with 
the limits for a Class A digital device pursuant to Part 15 of 
the FCC Rules. These limits are designed to provide 
reasonable protection against harmful interference when 
this equipment is operated in a commercial environment. 
This equipment generates, uses, and can radiate radio 
frequency energy and, if not installed and used in 
accordance with the instruction manual, may cause 
harmful interference to radio communications. Operation 
of this equipment in a residential area is likely to cause 
harmful interference, in which case the user will be 
required to correct the interference at his/her own 
expense.

RF Transmitters: Compliance Statement (Part 15.19)

This device complies with Part 15 of the FCC Rules. 
Operation is subject to the following two conditions:
1. This device may not cause harmful interference, and
2. This device must accept any interference received, 

including interference that may cause undesired 
operation.

Warning (Part 15.21)

Changes or modifications not expressly approved by the 
party responsible for compliance could void the user’s 
authority to operate the equipment.

This Class (A) digital apparatus meets all the requirements 
of the Canadian Interference-Causing Equipment 
Regulations.
Cet appareil numérique de la Classe (A) respecte toutes 
les exigences du Règlement sur le matériel brouilleur du 
Canada.

RF Transmitters: Industry Canada Statement

The term 

IC

 before the certification/registration number 

only signifies that the Industry Canada technical 
specifications were met.
Le terme « IC » précédant le numéro d'accréditation/
inscription signifie simplement que le produit est conforme 
aux spécifications techniques d'Industry Canada.

TEC2045-2 Wireless Thermostat Controller with Single 
Proportional Output and One-Speed Fan Control

Installation Instructions

TEC2045-2

Part No. 24-9890-757, Rev. —

Release 4.0

Issued March 17, 2008

Summary of Contents for TEC2045-2

Page 1: ...s equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against har...

Page 2: ...he Wireless Metasys System Location Guide LIT 12011294 which is available on the Johnson Controls Portal intranet site Mounting the Thermostat Controller Follow these steps to mount the thermostat con...

Page 3: ...wall Note Seal the hole in the wall with fireproof material to prevent drafts from affecting the ambient temperature readings 3 Reinsert the screw terminal blocks onto the PCB Note If multiple wires a...

Page 4: ...se Cool 12 BI1 Configurable Binary Input 1 14 Scom Sensor Common 15 BI2 Configurable Binary Input 2 16 UI3 Configurable Universal Input 3 Figure 6 TEC2045 2 Thermostat Controller with Separate Power S...

Page 5: ...tion Note If one of the binary inputs is configured to operate as a remote override contact this OVERRIDE key is disabled UP DOWN arrow keys change the configuration parameters and activate a setpoint...

Page 6: ...n press and release the center key to continue scrolling through the parameters Note Pressing the FAN key during configuration restarts the list of displayed parameters at the first parameter listed i...

Page 7: ...y Temperature Increase Increments of 1F 0 5C Device Closed Heating Setpoint Device Opened Proportional Output FIG htng_nly Figure 11 Cooling with Reheat Temperature Increase Increments of 1F 0 5C Heat...

Page 8: ...ommunicate with each other Default 0 Range 0 to 500 Note Setting this parameter to 0 disables the function Channel Sets the mesh network channel the device uses for communication Only devices using th...

Page 9: ...ngeover The contact closes when cold water is present Valid only for two pipe systems COC NC Changeover Contact Normally Cool A dry contact input is used to signal seasonal hot cold water changeover T...

Page 10: ...UP DOWN arrow keys to change the temperature in 5 0F 5 0C increments Unocc CL Sets the Unoccupied Cooling setpoint value Default 80 0 F 26 5 C Range 54 0 F 12 0 C to 100 0 F 37 5 C Heat max Sets the O...

Page 11: ...ed and fan On or Off contact closed 5 Auxiliary On Off control through the auxiliary network command The output can be commanded through the network for any required auxiliary functions via a separate...

Page 12: ...entative Table 6 Display Messages Display Function Service Indicates that there is a service alarm in accordance with the programmable Binary Input BI2 Filter Indicates that the filter s is dirty in a...

Page 13: ...pen Space 30 m 100 ft RF Band Direct Sequence Spread Spectrum Transmission 2 4 Ghz unlicensed band Transmission Power 10 mW Maximum Resolution 0 1C 0 2F Temperature Range Backlit Display 40 0 C 40 0 F...

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