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TEC2145-4 N2 Networked Thermostat Controller with Single Proportional Output and One-Speed Fan 
Control Installation Instructions

2

To install the thermostat controller:

1.

Use a Phillips-head screwdriver to remove the 
security screw if it is installed on the bottom of the 
thermostat controller cover.

Note:

Normally, the security screw is packaged 

separately in a plastic bag with the thermostat 
controller. Skip this step if the screw is not installed 
on the bottom of the cover.

2.

Pull the bottom edge of the thermostat controller 
cover and open the thermostat controller as 
illustrated in Figure 1.

3.

Carefully pull the locking tabs on the right side of 
the thermostat controller mounting base and 
unlock the Printed Circuit Board (PCB). Open the 
PCB to the left as illustrated in Figure 2.

4.

Pull approximately 6 in. (152 mm) of wire from the 
wall and insert the wire through the hole in the 
thermostat controller mounting base.

5.

Align the thermostat controller mounting base on 
the wall and use the base as a template to mark 
the two mounting hole locations.

6.

Position the thermostat controller mounting base 
so that the arrow on the base points upward to 
indicate the top of the thermostat controller.

Note:

If you need to install the thermostat on an 

electrical junction box, use 2-1/2 x 4 in. 
(63 x 101 mm) square boxes with mud ring covers, 
and avoid smaller 1-1/2 x 4 in. (38 x 101 mm) or 
3 x 2 in. (76 x 51 mm) square boxes. This 
procedure ensures that you have enough space for 
cabling and end-of-line devices, if needed.

Note:

For surface-mount applications, use 

durable mounting hardware such as Molly bolt 
anchors that cannot be easily pulled out of the 
mounting surface.

7.

Secure the mounting base to the wall surface using 
two mounting screws as illustrated in Figure 3.

Note:

Be careful not to overtighten the mounting 

screws.

8.

Swing the PCB back to the right and carefully snap 
it into the locking tabs on the thermostat controller 
mounting base.

9.

Remove the screw terminal blocks that are 
attached to a disposable adhesive. Figure 4 
illustrates the locations of the screw terminal 
blocks on the thermostat controller.

Figure 1: Removing the Thermostat Controller 

Cover

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Figure 2: Opening the Thermostat Controller PCB

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PCB
Locking
Tabs

Figure 3: Securing the Thermostat Controller 

Mounting Base to the Wall

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Содержание TEC2145-4

Страница 1: ...the TEC2145 4 Thermostat Controller IMPORTANT The TEC2145 4 Thermostat Controller is intended to provide an input to equipment under normal operating conditions Where failure or malfunction of the the...

Страница 2: ...hermostat controller mounting base so that the arrow on the base points upward to indicate the top of the thermostat controller Note If you need to install the thermostat on an electrical junction box...

Страница 3: ...into the terminals be sure to properly twist the wires together prior to inserting them into the terminal connectors CAUTION Risk of Electric Shock Disconnect power supply before making electrical con...

Страница 4: ...0 to 10 VDC 24 VAC Com Analog Output and Valve 24 V Hot AO1 Fan Power and Fan BO5 Aux BO5 Aux Aux Contact Isolated Common Reheat Lighting On Off Actuation Exhaust Fan REF Supervisory Controller BI2 U...

Страница 5: ...upply Air Temperature Change Over Temp UI3 ADI 9 N2 AI CSAD 40 0 F 40 0 C to 122 0 F 50 0 C Standby Heating SP1 2 ADI 10 N2 AO CSAD 40 0 F 4 5 C to 90 0 F 32 0 C Standby Cooling SP1 2 ADI 11 N2 AO CSA...

Страница 6: ...orresponding cooling heating setpoint to maintain the minimum deadband between the two setpoints 3 The TEC2145 4 does not support an Outdoor Air Temperature sensor The supervisory controller writes th...

Страница 7: ...m the thermostat controller or if the supervisory controller goes offline The thermostat controller does not maintain an internal command priority table The most recent command received by any of the...

Страница 8: ...period in the Installer Configuration Menu If one of the binary inputs is configured to operate as a remote override contact this OVERRIDE function is disabled The OVERRIDE key also allows access to...

Страница 9: ...keys to choose the desired selection option 4 Press and release the OVERRIDE key to continue scrolling through the parameters Note Pressing the FAN key during configuration restarts the list of displa...

Страница 10: ...clng_wth_rht Deadband Reheat On Off Floating or Proportional Outputs Heating Output Cooling Output Off Off On On Figure 9 Cooling with Reheat Temperature Increase Increments of 1F 0 5C FIG htg_wth_rh...

Страница 11: ...contact is closed If the fan is set to Auto it is enabled only when the contact is closed If the fan is set to On it is not affected by this setting BI2 Configuration of Binary Input 2 Default None No...

Страница 12: ...The scroll is active AutoMode Enables the Auto function if Cooling with Reheat is chosen in the SeqOpera parameter to be visible within the MODE key menu The MODE key is the key at the far left of th...

Страница 13: ...mperature in 5 0F 5 0C increments St By CL1 Sets Stand by cooling setpoint limit value is between occupied and unoccupied cooling setpoints Default 78 0 F 25 6 C Range 54 0 F 12 0 C to 100 0 F 37 5 C...

Страница 14: ...Setpoint Adjustment The displayed setpoint is the setpoint from the last action taken by the thermostat controller or the setpoint currently in use The heating and cooling setpoints can be separated...

Страница 15: ...and fan On contact closed Unoccupied and fan On or Off contact open The output aligns with occupancy and the fan on command 4 Auxiliary N C Occupied and fan On contact open Unoccupied and fan On or Of...

Страница 16: ...dance with the programmable Binary Input BI2 Window Indicates that an outside window or door is open and has cancelled the thermostat controller heating or cooling action in accordance with the progra...

Страница 17: ...ommended 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...

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