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Enabling Frost Protection (Frost pr) 

Frost protection establishes a minimum heating 
setpoint of 42

°

F (5.5

°

C) to prevent freezing in the zone 

controlled by the thermostat. If enabled, frost 
protection is activated even if the thermostat is set to 
the Off System Mode. If frost protection is active, it is 
displayed as an alarm (

Frost on

 with the backlight lit) 

on the Status Display Menu. 

To enable frost protection while in the Installer 
Configuration Menu: 

1.  Answer NO to all prompts until the frost protection 

setup prompt appears in the display. Press YES to 
enter the Frost Protection Menu. 

2.  Use the UP/DOWN arrow keys to select 

off

 or 

on

Press YES to store the selection. 

The display now shows the maximum heating setpoint 
prompt. See the 

Setting the Maximum Heating 

Setpoint (Heat max)

 section for instructions. 

Setting the Maximum Heating Setpoint (Heat max) 

The maximum heating setpoint establishes the 
maximum temperature in the heating setpoint range 
that can be adjusted from the Main User Menu. The 
parameter is adjustable from 40 to 90

°

F (4.5 to 32

°

C). 

Note: 

When adjusting the temperature, holding the 

keys down changes the temperature by 5 F/C

°

 

increments. 

To set the maximum heating setpoint while in the 
Installer Configuration Menu: 

1.  Answer NO to all prompts until the maximum 

heating setpoint prompt appears in the display. 
Press YES to enter the maximum heating setpoint 
menu. 

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

maximum heating setpoint temperature. Press 
YES to store the value. 

The display now shows the minimum cooling setpoint 
prompt. See the 

Setting the Minimum Cooling Setpoint 

(Cool min)

 section for instructions. 

Setting the Minimum Cooling Setpoint (Cool min) 

The minimum cooling setpoint establishes the 
minimum temperature in the cooling setpoint range 
that can be adjusted from the Main User Menu. The 
parameter is adjustable from 54 to 100

°

(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.  Answer NO to all prompts until the minimum 

cooling setpoint prompt appears in the display. 
Press YES to enter the Minimum Cooling Setpoint 
Menu. 

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

minimum cooling setpoint temperature. Press YES 
to store the value. 

The display now shows the anti-short cycle timer 
prompt. See the 

Setting the Anti-Short Cycle Timer 

(Anticycl)

 section for instructions. 

Setting the Anti-Short Cycle Timer (Anticycl) 

The anti-short cycle timer establishes the minimum 
on/off times for the cooling and heating stages. The 
timer is adjustable from 0 to 5 minutes in 1-minute 
increments. Set the anti-short cycling to 0 minutes for 
equipment that possesses its own anti-short cycling 
timer. 

!

  CAUTION:  Risk of Property Damage.

 

Do not set the TEC2104-1 anti-short cycling timer to 
0 minutes if the controlled equipment is not 
protected by its own internal anti-short cycling timer. 
Setting the TEC2104-1 anti-short cycling timer to 
0 minutes can damage controlled equipment that 
does not have an anti-short cycling timer.

 

To set the anti-short cycle time while in the Installer 
Configuration Menu: 

1.  Answer NO to all prompts until the anti-short cycle 

timer prompt appears in the display. Press YES to 
enter the anti-short cycle timer menu. 

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

minimum on/off times for the heating and cooling 
stages. Press YES to store the value. 

The display now shows the heating cycles per hour 
setup prompt. See the 

Setting the Maximum Heating 

Stage Cycles per Hour (Heat cph)

 section for 

instructions. 

Setting the Maximum Heating Stage Cycles per 
Hour (Heat cph) 

The heating cycles per hour establishes the maximum 
number of times the equipment or stages are turned 
on and off in one hour. The selection ranges from 
three to eight cycles per hour. 

10

    TEC2104-1 Networked Multi-Stage Economizer Thermostat Installation Instructions 

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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