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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 “TEMP STOP” and “LOCK
CODE” will appear on the screen, along with two digits. Use the UP/DOWN
buttons to enter the current code (“00” by default) and press the NEXT button
one time. The word “SET” will now be displayed. Use the UP/DOWN buttons to
choose a new 2-digit code between “00” and “99”. Press the NEXT button to
accept the setting. The screen will flash briefly to confirm the code change, 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
screen will start flashing, and display words “SET”, “TEMP STOP” and “LOCK
CODE”, along with the new code of “00”. After a couple seconds, the screen will
automatically return to the Normal Run screen in Off mode.
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.
The 4-button sequence which locks the thermostat must be entered within a 10-
second timeframe, or the keypad lockout sequence will have to be entered again
from the beginning.
TO LOCK THE KEYPAD: Start with the System Mode switch in either the HEAT or
COOL positions, and the Set Slide switch in the RUN position. Perform a single
press of each button, in the following sequence: NEXT, NEXT, NEXT, HOLD.
TO UNLOCK THE KEYPAD: Start with the System Mode switch in either the HEAT
or COOL positions, and the Set Slide switch in the RUN position. Perform a single
press of each button, in the following sequence: NEXT, NEXT, NEXT, HOLD. The
padlock should no longer be present, with the thermostat now unlocked. If the
padlock is still on the screen, please try to enter the 4-button sequence again.
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