Quick Start; Temperature, Modes & Fan - Daikin TSTATD4271C Installation And Maintenance Manual

Quick Start

Temperature, Modes & Fan
Selecting Your Desired Temperature
Press or to adjust temperature. The Heat or Cool
Setpoint is the temperature the room has to reach before
heating or cooling will turn off.
Figure 32: Button and Icon Locations
Selecting Your Mode
Press or the MODE Icon
HEAT will allow only operation of the heating system.
COOL will allow only operation of the cooling system.
AUTO will allow operation of the heating and cooling systems.
OFF – heating and cooling systems are turned off.
AUTO-CHANGEOVER MODE – Pressing the WARMER
or COOLER buttons in Auto mode will adjust both the heat
and cool setpoints simultaneously. To adjust heat and cool
setpoints individually, choose HEAT mode to adjust the heat
setpoint and COOL mode to adjust the cool setpoint, then
return to AUTO mode.
HEAT or COOL MODE – Pressing the WARMER or
COOLER buttons in Heat or Cool mode will adjust only the
heat or cool setpoints.
Figure 33: Mode Selections
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Using the Fan Button
Press FAN Icon
FAN ON – fan runs constantly except in OFF Mode.
FAN AUTO – fan only runs with a heating or cooling demand.
NOTE: FAN button is disabled during Program Run Mode.
Figure 34: Fan Selections
Override Functions
Using the Override Button
Unoccupied Operation - During programmed, unoccupied
periods, pressing the OVERRIDE button will force the
thermostat into Occupied 1 settings. When the OVERRIDE
button is pressed, a timer screen will appear and allow the user
to choose from 30 minutes to up to 4 hours of override time.
To turn off the override timer, press the OVERRIDE button and
when the timer screen appears, press CANCEL OVERRIDE.
Occupied Operation - During programmed, occupied periods,
pressing the OVERRIDE button will force the thermostat into
an unoccupied period for the rest of the day. During this forced
unoccupied period the OVERRIDE button will operate as
described above.
Holiday Operation -During Holiday Mode, pressing the
OVERRIDE button will force the thermostat into Occupied
1 settings. When the OVERRIDE button is pressed, a timer
screen will appear and allow the user to choose from 30
minutes to up to 4 hours of override time. To turn off the
override timer, press the OVERRIDE button and when the
timer screen appears, press CANCEL OVERRIDE.
NOTE: Override may only be used when the thermostat is
set to Program RUN or Holiday ON modes.
Figure 35: Override Button Location
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