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Selecting the System Mode 

Fan Mode Setting 

The TEC2104-1 has three fan mode settings: 

The TEC2104-1 has four system modes. 

• 

On Fan Mode (on) 

Energizes the fan all the time for both occupied 
and unoccupied periods (even if the system mode 
is set to 

off

). 

• 

Automatic Mode (auto) 

Automatic changeover between heating and 
cooling. This is the default setting. 

• 

Cooling Mode (cool) 

Cooling operation only 

• 

Automatic Fan Mode (auto) 

Operates the fan only on a call for heating or 
cooling for both occupied and unoccupied periods. 
This is the default setting. 

• 

Heating Mode (heat) 

Heating operation only 

• 

Off Mode (off) 

The TEC2104-1 is off. However, if frost protection 
is enabled and frost conditions are detected, the 
thermostat still calls for heat even if the system 
mode is set to Off. 

• 

Smart Fan Mode (smart) 

Energizes the fan all the time for occupied periods 
and only on a call for heat and cooling in 
unoccupied periods. 

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

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

1.  Answer NO to all prompts until the system mode 

prompt appears in the display. Press YES to set 
the system mode. 

1.  Answer NO to all prompts until the fan mode 

prompt appears in the display. Press YES to set 
the fan mode. 

2.  Use the UP/DOWN arrow keys to locate the 

desired system mode. Press YES to select the 
desired system mode. 

2.  Use the UP/DOWN arrow keys to locate the 

desired fan mode. Press YES to select the desired 
fan mode. 

3.  Press YES to return to the Status Display Menu or 

NO to return to the System Mode Selection Menu. 

3.  Press YES to return to the Status Display Menu or 

NO to return to the Fan Mode Selection Menu. 

Accessories 

Using the information in Table 5, contact the nearest 
Johnson Controls branch office or wholesale 
distributor to order these accessories. 

Table 5: Optional Accessories 
(Includes Mounting Hardware) 

Item Product 

Code 

Number 

Remote Indoor Temperature Sensor 

SEN-600-1 

Outdoor Air Temperature Sensor 

SEN-600-2 

Duct Mount Temperature Sensor 

SEN-600-3 

Remote Indoor Temperature Sensor 
with Occupancy Override and LED 

SEN-600-4 

 

Note: 

Review specifications of optional accessories 

prior to using in an application. 

TEC2104-1 Networked Multi-Stage Economizer Thermostat Installation Instructions    

17

 

Summary of Contents for TEC2104-1

Page 1: ...side doors away from steam or water pipes warm air stacks unheated uncooled areas or sources of electrical interference To install the thermostat 1 Remove the security screw on the bottom of the therm...

Page 2: ...the thermostat 1 Strip each wire 1 4 in 6 35 mm and connect to the appropriate terminal according to the TEC2104 1 wiring diagram Figure 5 2 Gently push excess wire back into the wall plug the wall h...

Page 3: ...C N2 N2 REF Terminal OS D2 Scom RS D1 Remote Room Sensor OS REF N2 N2 Auxiliary Outdoor Sensor N2 N2 REF Metasys CPN NCM EC 0 to 10 VDC 24 VAC Common MS EC Remote Mixed Air Sensor Cool 2 fig5 b Figure...

Page 4: ...o 100 F 12 to 37 5 C Minimum Heat SP ADI 7 N2 AI CSAD 40 F 4 5 C Maximum Heat SP a ADI 8 N2 AO CSAD 40 to 90 F 4 5 to 32 C Minimum Cool SP a ADI 9 N2 AO CSAD 54 to 100 F 12 to 37 5 C Maximum Cool SP A...

Page 5: ...System Mode On However if the Metasys system sends an override command to turn System Mode Off then the occupant selects System Mode On at the TEC keypad the TEC keeps the System Mode Off Once an over...

Page 6: ...to scroll through menu selections or adjust values up arrow SCROLL key to stop the Status Display Menu from scrolling manually scroll to the next parameter on the menu adjust values Note When left una...

Page 7: ...t pressing the YES key To pass over a parameter without changing it press the NO key When the thermostat is in the Installer Configuration Menu and left unattended for 45 seconds it reverts to the Sta...

Page 8: ...tages See the Disable Enable Second Cooling Stage C Stage section Disables Heating Operation based on Auxiliary Outdoor Air Temperature Default 120 F 49 C See the Setting the Heating Lockout H lock se...

Page 9: ...the TEC2104 1 the states of DI1 and DI2 are communicated over the N2 network This enables the ability to communicate alarm conditions over the network without local annunciation on the TEC2104 1 displ...

Page 10: ...F 12 to 37 5 C Note When adjusting the temperature holding the keys down changes the temperature by 5 F C increments To set the minimum cooling setpoint while in the Installer Configuration Menu 1 Ans...

Page 11: ...stable from 2 to 4 F 1 to 2 C To change the minimum deadband between the heating and cooling setpoints while in the Installer Configuration Menu 1 Answer NO to all prompts until the deadband setpoint...

Page 12: ...offset while in the Installer Configuration Menu 1 Answer NO to all prompts until the room sensor calibration prompt appears in the display Press YES to enter the Room Sensor Calibration Menu 2 Use th...

Page 13: ...F C To change the outdoor air temperature cooling lockout while in the Installer Configuration Menu 1 Answer NO to all prompts until the cooling lockout prompt appears in the display Press YES to ent...

Page 14: ...djust the mixed air setpoint Press YES to store the temperature The display mixed air temperature prompt is now displayed See the Displaying the Mixed Air Temperature Display section for instructions...

Page 15: ...tered It is also where any temporary setpoints are entered To enter the heating and cooling setpoints for the occupied and unoccupied modes permanent or temporary follow the steps in Table 4 When chan...

Page 16: ...set temperature Press YES to store value and advance to the next menu Press YES to change the unoccupied heating setpoint Press NO to advance to temperature display units Use the UP DOWN arrow keys t...

Page 17: ...all prompts until the system mode prompt appears in the display Press YES to set the system mode 1 Answer NO to all prompts until the fan mode prompt appears in the display Press YES to set the fan m...

Page 18: ...ine Device type is incorrect TEC2104 1 address must be VND device type EOL jumpers on MM CVT101 or NCM are not installed Install EOL jumpers properly MM CVT101 is not plugged into the Personal Compute...

Page 19: ...ompliance This equipment has been tested and found to comply with the limits for a Class A digital device and verified to Class B pursuant to Part 15 of FCC Rules These limits are designed to provide...

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