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TEC2045-4 Wireless Thermostat Controller with Single Proportional Output and One-Speed Fan Control

Installation Instructions

13

Troubleshooting

See Table 6 for display messaging. Refer to the 

TEC20xx-4 and TEC20xx-4+PIR Series Wireless 
Thermostat Controller System Technical Bulletin 
(LIT-12011596)

 for troubleshooting details. 

Accessories

All the accessories in Table 7 include mounting 
hardware; contact the nearest Johnson Controls 
representative to order any of these parts.

Note:

Review the technical specifications of the 

accessories prior to their use in an application.

Aux cont

Determines the auxiliary contact 
function and configuration.
Default: 

0

(0)

Not used, 
or used for 
reheat

If the 

SeqOpera

 is set to reheat (Option 2 

or 3), ignore this parameter.

(1)

Auxiliary 
N.O.

Occupied

 = contact 

closed

Unoccupied

 = contact 

open

The output 
aligns with 
occupancy.

(2)

Auxiliary 
N.C.

Occupied

 = contact open

Unoccupied 

= contact 

closed

(3)

Auxiliary 
N.O.

Occupied 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 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 and dedicated network 
variable.

The output 
aligns with 
the 
secondary 
network 
occupancy 
command.

DA/RA

Choice of direct or reverse acting 
analog output signal.
Default: 

DA

(RA):

 Reverse acting, 0 to 100% = 10 to 0 VDC

(DA):

 Direct acting, 0 to 100% = 0 to 10 VDC

Reheat

Sets the duty cycle time for reheat 
output (if Option 2, 3, or 5 is chosen 
in the 

SeqOpera

 parameter).

Default: 

0

(1): 

10 seconds (six cycles per minute), for various equipment with 

solid-state relays that withstand short duty cycles such as electric 
heat.

(0):

 15 minutes (four cycles per hour), for various equipment with 

mechanical relays or contactors controlling mechanical reheat 
systems.

UI3 dis

Displays the supply or changeover 
temperature when UI3 is configured 
as an analog input (supply sensor or 
changeover sensor). Used as a 
diagnostic/service help, to 
troubleshoot and diagnose sensor 
operation.
Default: 

-40°F/-40°C

Used as a diagnostic/service help, to troubleshoot and diagnose 
sensor operation.

Table 5:  Installer Configuration Menu  (Part 6 of 6)

Parameter 
Appearing 
on Display

Description and Default

Selection Options

Summary of Contents for TEC2045-4

Page 1: ...ipment 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...

Page 2: ...n the Johnson Controls Portal intranet site Installing the Thermostat Controller Follow these steps to install the thermostat controller 1 Use a Phillips head screwdriver to remove the security screw...

Page 3: ...ntroller 1 Strip the ends of each wire 6 mm 1 4 in and connect them to the appropriate screw terminals as indicated in Figure 5 2 Carefully push any excess wire back into the wall Note Seal the hole i...

Page 4: ...11 Blank Close 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 4 Thermostat Controller with Sep...

Page 5: ...o the Installer Configuration Menu See the Configuring the Thermostat Controller section UP DOWN arrow keys change the configuration parameters and activate a setpoint adjustment Figure 7 TEC2045 4 Th...

Page 6: ...To access the Installer Configuration Menu press and hold the OVERRIDE key for approximately 8 seconds Note If the Password parameter is configured Password 0 appears on the thermostat controller dis...

Page 7: ...Cooling 1 Heating Only See Figure 10 10 Proportional Heating 2 Cooling and Reheat See Figure 11 6 and 7 Reheat 10 Proportional Cooling 3 Heating and Reheat See Figure 12 6 and 7 Reheat 10 Proportiona...

Page 8: ...ervisory controller Table 5 Installer Configuration Menu Part 1 of 6 Parameter Appearing on Display Description and Default Selection Options Pswrd Sets the protective access password to prevent unaut...

Page 9: ...or cooling outputs are enabled only when the 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 Co...

Page 10: ...the display continuously scroll the parameters Default on off The scroll is inactive on The scroll is active AutoMode Enables the Auto function if Option 2 is chosen in the SeqOpera parameter to be vi...

Page 11: ...rature in 5 0F 5 0C increments St By CL 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 Unoc...

Page 12: ...s 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 individually allowing the minimum configured...

Page 13: ...fan On contact open Unoccupied 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 auxil...

Page 14: ...erature Sensor TE 636S 1 Strap Mount Temperature Sensor TEC 6 PIR3 Commercial Fan Coil Controller Cover for Occupancy Sensor TEC20 A 1 Replacement Antenna for TEC20 Coordinator TEC20 RA 14 Remote Ante...

Page 15: ...aximum 22 AWG 0 6 mm Diameter Recommended Recommended Transmission Range Through Walls 10 m 30 ft Line of Sight Open Space 30 m 100 ft RF Band Direct Sequence Spread Spectrum Transmission 2 4 GHz unli...

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