Lux Products Smart Temp TX9100U Installation And Operating Instructions Manual page 28

will add the word "SET" and display the current heat set temperature limit.
Use the UP/DOWN buttons to adjust the maximum heat set temperature
value. Press the NEXT button to accept the setting and return to the Normal
Run screen in heat mode.
TO SET THE COOL LIMIT STOP: Place the System Mode switch in the OFF
position, and the Set Slide switch in the RUN position. Press and hold the
DOWN button while sliding the System Mode switch from OFF to COOL. The
words "CODE" and "T-STOP" will appear at the top of the screen, along with
two digits. Use the UP/DOWN buttons to select the proper code to access the
cool limit setting. Press the NEXT button to accept the setting. If the code
you tried was not correct, the thermostat will exit and return to the Normal
Run screen with no changes made. If the entered code is correct, the screen
will add the word "SET" and display the current cool set temperature limit.
Use the UP/DOWN buttons to adjust the minimum cool set temperature
value. Press the NEXT button to accept the setting and return to the Normal
Run screen in cool mode.
TO CHANGE THE TEMPERATURE STOP LOCK CODE: Place the System Mode
switch in the OFF position, and the Set Slide switch in the RUN position.
Press and hold the NEXT button for at least 5 seconds. The words "CODE"
and "T-STOP" will appear at the top of the screen, along with two digits. Use
the UP/DOWN buttons to choose a new 2-digit code between "00" and "99".
Press the NEXT button to accept the setting and return to the Normal Run
screen in Off mode.
IF YOU FORGET YOUR TEMPERATURE STOP CODE: The code can be reset to
the factory default "00" by performing the following steps. Place the System
Mode switch in the OFF position, and the Set Slide switch in the RUN
position. Press and hold the NEXT and HOLD buttons together for at least
10 seconds. The words "CODE" and "T-STOP" will appear at the top of the
screen, along with the code now set to the factory default of "00".
KEYPAD LOCKOUT: You can lock the front panel buttons to prevent
unauthorized tampering of your thermostat settings.
NOTE: These keypad lock instructions need to be performed in a timely
manner, as the thermostat will timeout and automatically exit the keypad lock
screens and return to the Normal Run screen after approximately 10 seconds
without a button press.
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