• Remote Access
Allows the user to read and access TEC2100
parameters from an Operator Workstation or
through the N2 Dialer Module (NDM). Binary
inputs or the temperature alarm causes the NDM
to connect to the workstation upon
Change-of-State (COS).
• Heating and Cooling Stage Enable/Disable
(TEC2102-1, TEC2103-1, and TEC2104-1)
Allows operation of the second-stage heating or
cooling to be disabled, reverting the thermostat to
single-stage operation, on heat pump and
multi-stage thermostats.
Thermostat Interface Keys
The TEC2100 interface consists of five keys on the
front cover and one configuration key (see Figure 2)
that can be accessed by removing the front cover. The
functions of the keys are as follows. Use the:
• YES key to confirm a selection and move onto the
next menu item
• NO key when you do not desire a parameter
change, and to advance to the next menu item
• MENU key to access the Main User Menu or exit
the menu
• DOWN arrow key to scroll through menu
selections or adjust values
• UP arrow/SCROLL key to:
− scroll through menu selections or adjust
values
− stop the Status Display Menu from scrolling
and to manually scroll to the next parameter
on the menu. When left unattended for
45 seconds, the display resumes scrolling.
Configuration
Button
Figure 2: Configuration Key Location
Backlit LCD
The TEC2100 uses a two-line, eight-character backlit
display. Low level backlighting is present during
normal operation and it brightens when any user
interface key is pressed. The backlight returns to the
lower level when the thermostat is left unattended for
45 seconds.
Light-Emitting Diodes (LED)s
Three LEDs are used to indicate the status of the fan,
call for heat, or call for cooling on the TEC2101-1,
TEC2103-1, and TEC2104-1. When:
• the fan is on, the FAN LED lights up
• heating is on, the HEAT LED lights up
• cooling is on, the COOL LED lights up
On the TEC2102-1, the three LEDs indicate heat
pump operation. When:
• the fan is on, the FAN LED lights up.
• the auxiliary heat is on, the AUX HEAT LED lights
up.
• the heat-pump compressor is on, the HEAT-PUMP
LED lights up.
75.0ºF
Backlit, plain text, Liquid
Crystal Display (LCD)
display is easy to read
in any conditions.
Five keys on the TEC
make operation easy
and intuitive.
Light Emitting Diodes (LEDs)
indicate system activity.
Figure 3: TEC2100 Front Cover
TEC2100 Series Networked Thermostats Product Bulletin 3