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TEC2604-4 and TEC2604-4+PIR BACnet® MS/TP Networked Multi-Stage Economizer Thermostat 
Controllers Installation Instructions

14

Entering Temporary Temperature Setpoints

To temporarily change the setpoint, press the 

UP/DOWN

 arrow keys to change the temporary 

setpoint for the current mode of operation.

Note:

Whether the thermostat controller is heating or 

cooling, the respective setpoint is temporarily adjusted. 
To toggle between the temporary heating and cooling 
setpoints, press the 

NO

 key while changing the 

temporary setpoints.

Ending Temporary Temperature Setpoints

The temporary setpoints remain in effect for the 
duration set in the 

TOccTime

 parameter or until 

manually released.

To release the temporary setpoint sooner, while in the 
Main User Menu:

1.

Press the 

YES

 key to the first prompt that appears.

2.

If the thermostat controller does not immediately 
return to the Status Display Menu, press the 

MENU

 

key again and press the 

YES

 key to exit the Main 

User Menu.

The setpoint reverts to the Permanent Temperature 
Setpoint.

Selecting the System Mode

The thermostat controller has four system modes:

Automatic Mode (auto):

 Automatic changeover 

between heating and cooling. This is the default 
setting.

Cooling Mode (cool):

 Cooling operation only

Heating Mode (heat):

 Heating operation only

Off Mode (off):

 The thermostat controller is off; 

however, when frost protection (

Frost pr

 

parameter) is enabled, the thermostat controller 
still calls for heat (if required).

To set the system mode while in the Main User Menu:

1.

Press the 

NO

 key to all prompts until the system 

mode prompt appears on the display. Press the 

YES

 key to select the desired system mode.

2.

Press the 

UP/DOWN

 arrow keys to locate the 

desired system mode. Press the 

YES

 key to select 

the desired system mode.

3.

Press the 

YES

 key to return to the Status Display 

Menu or press the 

NO

 key to return to the system 

mode selection menu.

Selecting the Fan Mode

The thermostat controller has three fan mode settings:

On Fan Mode (on):

 Energizes the fan all the time 

for both occupied and unoccupied states, even if 
the system mode is set to off.

Automatic Fan Mode (auto):

 Energizes the fan 

only on a call for heating or cooling, for both 
occupied and unoccupied states.

Smart Fan Mode (smart):

 Energizes the fan all 

the time for occupied states, and only on a call for 
heating or cooling in unoccupied states. This is the 
default setting.

To select the fan mode while in the Main User Menu:

1.

Press the 

NO

 key to all prompts until the fan mode 

prompt appears on the display. Press the 

YES

 key 

to set the fan mode.

2.

Press the 

UP/DOWN

 arrow keys to locate the 

desired fan mode. Press the 

YES

 key to select the 

desired fan mode.

3.

Press the 

YES

 key to return to the Status Display 

Menu or press the 

NO

 key to return to the fan 

mode selection menu.

Troubleshooting

See Table 4 for display messaging. See Table 5 for 
troubleshooting details.

Accessories

All the accessories in Table 3 include mounting 
hardware; contact the nearest Johnson Controls® 
representative to order any of these parts.

Note:

Review the technical specifications of the 

optional accessories prior to their use in an application.

Repair Information

If a TEC2604-4 or TEC2604-4+PIR Thermostat 
Controller fails to operate within its specifications, 
replace the unit. For a replacement thermostat 
controller, contact the nearest Johnson Controls 
representative.        

Summary of Contents for TEC2604-4

Page 1: ...airwells and from behind doors away from steam or water pipes warm air stacks unconditioned areas not heated or cooled or sources of electrical interference For integrated Passive Infrared PIR models...

Page 2: ...roller mounting base and unlock the 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 thermosta...

Page 3: ...nications Bus refer to the MS TP Communications Bus Technical Bulletin LIT 12011034 2 Carefully push any excess wire back into the wall Note Seal the hole in the wall with fireproof material to preven...

Page 4: ...or above or other wiring that switches power to highly inductive loads such as contactors coils motors or generators Figure 5 Wiring the TEC2604 4 or TEC2604 4 PIR Thermostat Controller 24 VAC Thermo...

Page 5: ...Short Indicates that the thermostat controller is scanning for the correct baud rate and that there is no communication Off Indicates that there is no power to the thermostat controller or that the M...

Page 6: ...m Mode Schedule Status Occupied Unoccupied Override PIR Models Outside Temperature An outside air temperature sensor must be installed and connected Applicable Alarms The backlight lights up as an ala...

Page 7: ...s in this section 1 To access the Installer Configuration Menu press and hold the MENU key for approximately 8 seconds Note If the Password parameter is configured Password 0 appears on the thermostat...

Page 8: ...which provides an alarm if a malfunction occurs Fan lock A backlit flashing Fan lock alarm is displayed on the thermostat controller when the input is not energized This alarm is used in conjunction w...

Page 9: ...mum heating setpoint of 42 0 F 5 5 C to prevent freezing in the zone controlled by the thermostat controller Default off on Enabled off Disabled Heat max2 Sets the Occupied and Unoccupied maximum Heat...

Page 10: ...activated by the equipment fan and limit control Fan del Fan delay extends fan operation after a heating or cooling cycle has ended Default off on Extends fan operation by 60 seconds after a heating...

Page 11: ...le in 5F 5C increments Unocc TM Sets the time delay between the moment when the thermostat controller toggles from the Occupied mode to the Unoccupied mode after the last motion is detected by the occ...

Page 12: ...ed mode When the schedule is in the Unoccupied mode the minimum position is 0 Default 0 0 Range 0 0 to 100 0 equals 0 to 10 VDC output range OA Setting for 0 to 10 VDC Actuator Setting for 2 to 10 VDC...

Page 13: ...ints Part 1 of 2 Thermostat Display Description Press the MENU key while in the Status Display Menu to enter the Main User Menu Press the NO key to all prompts until the temperature setpoint prompt ap...

Page 14: ...on the display Press the YES key to select the desired system mode 2 Press the UP DOWN arrow keys to locate the desired system mode Press the YES key to select the desired system mode 3 Press the YES...

Page 15: ...ce with a programmable Digital Input Table 5 Troubleshooting Details1 Part 1 of 2 Symptom Probable Causes Multiple Symptoms Excessive bus errors may be occurring A device may have been added or change...

Page 16: ...TP Networked Multi Stage Economizer Thermostat Controllers Part 1 of 2 Power Requirements 19 to 30 VAC 50 60 Hz 2 VA Terminals RC and C at 24 VAC Nominal Class 2 or Safety Extra Low Voltage SELV Relay...

Page 17: ...stry Canada ICES 003 Europe CE Mark Johnson Controls Inc declares that the BACnet Thermostats are in compliance with the essential requirements and other relevant provisions of the EMC Directive 2004...

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