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Operation
System Button Operation
Pressing SYSTEM will light up the five system mode options
described below. Press SYSTEM to scroll through the options.
As you scroll, the current option will be blinking. To select the
blinking option, wait for the five-second timeout, which saves
your option and returns you to the thermostat's default display.
Table 12: System Button Operation Overview
Menu
The thermostat operates as a Heating Only
HEAT
thermostat
The thermostat operates as a Cooling Only
COOL
thermostat
The thermostat automatically selects the
appropriate Heat or Cool mode depending
AUTO
upon the setpoint (desired temperature) and
zone temperature (actual temperature)
Turns the system off by disabling all thermostat
OFF
outputs
Setback mode is an energy saving feature that
minimizes the heating and cooling when the
room is not occupied. Setback mode overrides
the programmed time and temperature settings
by telling the thermostat to instead use the
setback setpoint for heating and cooling. The
setback setpoint temperatures are factory
default or installer-selected during installation.
During setback mode, when a demand for
heating or cooling exists, the fan will run at the
lowest speed.
• Automatic setback mode: If your
thermostat is connected to an occupancy
sensor or door switch, setback mode is
SET BACK
automatically turned on and off by the
sensor or door switch.
• Manual setback mode: Select SETBACK
in the SYSTEM menu. Setback
temperature settings will remain in effect
until you manually turn off setback mode.
Selecting HEAT, COOL, or AUTO in the
SYSTEM menu will turn off setback and
resume your programmed time and
temperature settings.
Note:
8
Description
SETBACK appears on your menu only if
the thermostat's installer enabled this
feature.
Fan Button Operation
Pressing FAN will light up the six fan mode options described
below. Press FAN to scroll through the options. As you scroll,
the current option will be blinking. To select the blinking
option, wait for the five-second timeout, which saves your
option and returns you to the thermostat's default display.
Table 13: Fan Button Operation Overview
Menu
High speed fan is on continuously, even if no
ON HI
demand for heating or cooling exists
Medium speed fan is on continuously, even if
ON M
no demand for heating or cooling exists
Low speed fan is on continuously, even if no
ON LO
demand for heating or cooling exists
High speed fan cycles with active demand for
AUTO HI
heating and cooling
Medium speed fan cycles with active demand
AUTO M
for heating and cooling
Low speed fan cycles with active demand for
AUTO LO
heating and cooling
Program Button Operation
Function Overview
Pressing PROGRAM lights up five program mode options,
described below. Press ▲or ▼buttons to scroll through the
options. As you scroll, the current option will be blinking. To
select the blinking option, press PROGRAM again and you
will be taken to the menu associated with that option.
Table 14: Program Button Operation Overview
Menu
CLOCK
Sets the current time and day.
Use this option to change the temperature
display to Fahrenheit or Celsius. Your
°F / °C
thermostat's default temperature display setting
is Fahrenheit.
Use to specify the time and temperature
programming for a particular day or group of
SET
days. Also allows you to reset the thermostat to
the factory default ENERGY STAR program.
Simplifies programming by allowing you to
COPY
copy a particular day's program to another day
or group of days.
Puts the thermostat in manual operation for a
permanent or temporary time period. Overrides
HOLD
your programmed settings, but does not lose
them.
Description
Description
Daikin IM 1019
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