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MODE Button
The mode button sets the CT50 to HEAT, COOL, AUTO, or OFF modes. Press it once to step to the
next mode. If the CT50 is in OFF and you want to return to the mode you were previously in, touch
the OFF indicator on screen.
COOL - This will operate the cooling portion of your HVAC system until it is turned off.
HEAT - This will operate the heating portion of your HVAC system until it is turned off.
AUTO - The CT50 TRUE AUTO mode switches automatically between heat and cool throughout
the year. Unlike other manufacturers, the CT50 TRUE AUTO has no temperature or time limitations
(Patent pending), just program your desired HEAT and COOL temps and select the AUTO mode. The
CT50 will switch from HEAT to COOL as needed.
OFF-
This
takes
functions.
In
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FAN Button
The fan control is normally in AUTO mode, meaning that the fan operates automatically with the
HVAC system and the thermostat. When the fan button is pressed the fan goes ON; the fan will run
continuously in this manual override until switched back to AUTO by pressing the FAN button again.
[NOTE: Fan ON function is available in the OFF mode to allow simple ventilating.]
your
HVAC
system
mode
your
house
"off-line"
and
it
may
experience
will
not
control
extreme
heat
or
HVAC
cold.
15
PG
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