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DAY/TIME
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User Manual 28
Compressor Protection
Compressor protection is enabled/disabled in the Installer Settings (See Installer Guide). If enabled, this
feature is automatically present in cooling and/or heating modes. This thermostat includes an automatic
compressor protection delay to avoid potential damage to your system from short cycling. This feature activates
a short delay after turning off the system compressor. Additionally, for multi-stage heat pump systems, this
thermostat provides cold weather compressor protection by locking out the compressor stage(s) of heating for
a period of time after a power outage greater than 60 minutes. This cold weather compressor protection can be
manually overridden at any time by changing the system mode to OFF momentarily, then back to HEAT.
Locking and Unlocking the Thermostat
Your 3-digit Lock Code is set in the “User Options”
portion of this manual (See “Setting User Options”,
page 8, 9 and 11).
Once the code is set, the
thermostat can be locked or unlocked at any
time by entering that code.
To lock or unlock the thermostat, press and hold the
DAY/TIME and HOLD buttons together for 5 seconds.
The screen will change, displaying 000 and LOCK
will be flashing. Press the SpeedBar
®
or to
enter
the first digit of your lock code and then press
NEXT* to advance to the next digit. Repeat this
process to enter the second and third digit of your
lock code. After entering the third digit, press RETURN.
*BACK and NEXT are secondary functions of the PROG and HOLD buttons.
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