Select Mode - Carrier PROGRAMMABLE DIGITAL THERMOSTAT 53DFS250-FS Owner's Manual

F_I Setup Indication
indicates the thermostat is in the programming mode.
See page 4.
F'81Fan Operation -- Speed
Indication 3
Fan -- indicates constant continuous fan operation.
3 speed indicators appear as:
1 bar m = low speed
2 bars ml = medium speed
3 bars roll = high speed
When Fan is not lit -- indicates the fan is in Auto
mode. The fan will operate at the speed which will
help meet room temperature conditions. See page 4.
E_] Locked indication
Locked appears after the right combination of buttons
are pressed, rendering the buttons inoperative.
See page 5.
E_] Start/Stop indication
Start or Stop appears when programming timer
functions. See page 3.
Eli Outside Indication
Indicates the temperature displayed is from the
optional outside sensor. See page 6.
During Setup and
S_ Press the Mode button.
Programming:
MODE
While hotdmg the Mode,
Pressing the Mode but-
press the Override button
ton selects different
OVERRIDE O for2 Seconds to enterSetup
flashing items. (Repre-
screens, sented in dark black).
Pressing the Up and
t2:OL1 _ Down buttons wiil
Pm _
modify the flashing
selection.
To adjust the
clock or Day use
buttons.
Press both Mode and MODE ( )
Override buttons as
above to return to
norma! operation. OVERRIDE
The thermostat is preprogrammed from the factory to
operate without the need for further programming. To op-
timize the installation of this thermostat, follow the in-
structions in the Advanced Setup section, or in the Occu-
pied/Unoccupied periods section.
NOTE: The thermostat is not programmed to operate
heat pump systems.
Select Mode
The HEAT setting indicates
the temperature the room has
to reach before the unit will
turn on to heat the room.
The COOL setting indicates
the temperature the room has
to reach before the unit will
turn on to cool the room.
AUTO will automatically
select heat or cool based on
room temperature demand.
Program On will activate the
stored timer operation.
(Occupied and Unoccupied
periods.)
OFF indicates the system is
turned off.
_ _ _;# HEAT
Sg
72
AUTO
HEAT
U Sg
uno_upJed
_ © COOL
NE,M
OFF
Select Desired Temperature
In any mode, adjust the
desired Set Point TerTiperature
with
77
NEAT
buttons.
Pressing the up/down buttons in Auto mode will adjust both the
heat and cool set point temperat_simultaneously.
Pressing the up/down buttons in Heat or CooI modes will adjust
only the heat or coot set point temperaTUre.
Override
Press
OVERRIDE 0
I '*t • _"1 tl
_ =_.IU PrnStop 0_.
s_ 03
unoccupied o coo
ProgramOn
During programmed, unoccu-
pied periods pressing the
Override button will force the
thermostat into Occupied 1
comfort settings, temporarily.
With each successive push of
the Override button, the over-
ride timer wilt add 30 min-
utes, until the maximum of
4 hours is reached. Then the
next press will zero out the
override timer, returning to
unoccupied if there are no
further button presses.
When in Override, the Over-
ride icon and the Occupied 1
icon appear on the display.
The time of day clock alter-
nates with the time remaining
in override.
During Override, the set
points are adjustable, provid-
ed the keypad is not locked.
Page 2