User Manual 14
15 User Manual
Compressor Protection
Compressor protection is enabled/disabled in the Installer Settings (See Installer Manual). If enabled, this
feature is automatically present in cooling and/or heating (heat pump only) 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 compressor lockout 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 7 and 9).
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 NEXT
and RETURN buttons together for 5 seconds (Figure 1).
The screen will change, displaying 000 and LOCK will be
ashing (Figure 2). Press the SpeedBar
®
up or down to enter
the rst 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.
Figure 1
Figure 2
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