25
Other Features
Your thermostat comes with an
electroluminescent lamp for easy viewing
of the display in the dark. To activate press
the “light” button between the up and down
arrow keys.
12/24 Hour Clock
Backlighting
LIGHT
Press
The display will remain backlit for
approximately five (5) seconds. If another
button is pushed, the five second timer will
reset, and the light will turn off five
seconds after the last button is pressed.
The 12/24 hour switch is located on the Touch Pad. Pressing the 12/24 button alternates the
clock between 12 or 24 hour (military) mode.
IMPORTANT
1
Read the entire installation section of
this Owner’s Manual thoroughly before
you begin to install or operate your Maxitrol
Thermostat.
Remove the mylar label from the display
window.
INSTALLATION
2
All installation is normally performed at
your thermostat.
PROGRAMMING
3
You can practice programming before
installing your thermostat by inserting
and connecting the batteries and following
the instructions on page 10.
OPERATION
4
Your Maxitrol Thermostat is designed to
operate with ADFM 14/44 systems only.
TEMPERATURE RANGE
5
Your thermostat can be programmed
between 40°F and 95°F (5°C and 35°C) for
the TDFM44 or 40°F and 150°F (5°C and 65°C)
for the TDDFM14. The TDFM44 will display
room temperatures from 32°F to 99°F (0°C and
37°C). The TDDFM14 will display discharge
air temperature from 32°F and 159°F (0°C and
70°C).
BATTERY WARNING
6
When the batteries are low, the “LOW
BATT” indicator on the display will flash.
When this happens, install new batteries
immediately. Once the “LOW BATT”
indicator appears, the thermostat will
continue to operate for approximately 30
days. (Only alkaline batteries should be
used in your thermostat. Rechargeable
batteries have different properties which
may cause the thermostat to not operate
properly. Do not use old batteries.) The
batteries should last one year.
4
Read This Before Installing Thermostat
