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HEATING AND COOLING: Basic operation of your heating or cooling
system can be obtained with the Set Slide Switch in the RUN position and
choosing either HEAT or COOL on the System Mode switch. The
temperature can be adjusted using the UP and DOWN buttons. When the
thermostat is first powered up, it will follow a default temperature routine
that is preset from the factory (shown below).
EMERGENCY HEAT: (Heat Pump Configuration Only). While in normal
Heat mode with the Set Slide switch in the RUN position, one single press
of the EMER button will activate Emergency Heat mode. A single press
again will end Emergency Heat mode, and return back to normal Heat
mode. While in Emergency Heat mode, the word “EMER” will also be
shown in the middle portion of the display screen. If a power loss occurs
while in Emergency Heat mode, the thermostat will continue to remain in
Emergency Heat mode even after the power comes back on.
Emergency Heat mode will prevent the first stage of your heat pump
system from turning on, and use only the “W2” heat terminal (Auxiliary
Heat) as the primary heating source. This will not only prevent the heat
pump from wasting energy if outdoor temperatures are too low to support
efficient operation, but it could also prevent damage to the heat pump if
outside temperatures are below the manufacturer’s recommendations. As
every heat pump has different operating characteristics, you should refer
to your heat pump literature to determine when to disable the heat pump
and run in Emergency Heat mode.
22
PERIOD
MORN
DAY
EVE
NITE
HEAT MODE
6:00 AM 70 °F (21 °C)
8:00 AM 62 °F (17 °C)
6:00 PM 70 °F (21 °C)
10:00 PM 62 °F (17 °C)
COOL MODE
6:00 AM 78 °F (26 °C)
8:00 AM 82 °F (28 °C)
6:00 PM 78 °F (26 °C)
10:00 PM 75 °F (24 °C)