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COMPRESSOR PROTECTION BYPASS: This optional feature permits the installer
or service technician to temporarily disable the built in compressor protection
delays. This is most useful for diagnosing and testing the heating and cooling
systems after installation is complete, and should not be used during normal
operation. To activate this feature, start with the System Mode switch in either
the Heat or Cool positions, then change to the OFF position. Press and hold the
OK button for at least 5 second. The thermostat will give a single beep sound to
confirm that this feature has been activated. All compressor protection delays
(in all modes of operation) will be disabled for 5 minutes. After the 5-minute
duration has expired, the thermostat will return to normal operation
automatically.
This thermostat is powered by two “AA” Alkaline batteries. The batteries should
be replaced AT LEAST once per year to ensure reliable operation (or sooner, if the
“LO-BATTERY” icon appears at the bottom of the display screen). The batteries
are located on the back of the thermostat, at the top of the circuit board. The
front portion of the thermostat can be removed from the back half by pulling
straight outwards on the top and bottom of the thermostat housing, at the large
indentations that are present in the center of the top and bottom edges.
When installing new batteries, we recommend using only brand new Energizer
®
or DURACELL
®
, “AA” size alkaline batteries. Please observe the polarity
markings shown in the battery compartment to ensure proper installation. When
finished, line up the front of the thermostat to the base, and firmly press together
to securely latch the front and back halves together properly.
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BATTERY REPLACEMENT: