Basic operation – Carrier 53DFS250-SL User Manual
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Basic Operation
Select Mode
The HEAT setting indicates
the temperature the room has
to reach before the unit wiil
turn on to heat the room.
The COOL setting indicates
the temperature the room has
to reach before the unit wiil
turn on to cool the room.
AUTO will automatically
select heat or cool based on
room temperature demand.
Program On wilt activate the
stored timer operation.
(Occupied and Unoccupied
periods.)
t 3 ■ fi rt
11 u !.
I 5 " ñ
I L U r:-
AUTO
H
COOL
HEAT
!S
Program<5n
unoccupied
Programming
Occupied and Unoccupied Periods
o
Press the Program button fo enter
time period programming.
vSelect the maximum number
of occupied periods to be
used on any one day.
Typically 1.
{1,2 or 3)
Adjust the cooling
set point for occupied 1.
(35 to 99 F)
Adjust the heating
set point for occupied 1.
(35 to 99 F}
V
OFF indicates the system is
turned off.
Adjust the cooling
set point for unoccupied
periods.
(35 to 99 F)
C
Zi
COOL
OFF
13’' II n
Select Desired Temperature
w
COOL
:
■■■'
In any mode, adjusi the
desired Set Point Temperature
with
Pressing the up/down buttons in Auto mode will adjust both the
heat and cool set point temperatures simultaneously.
Pressing the up/down buttons in Heat or Cool modes will adjust
only the heat or cool set point temperaTure.
Override
Press
OVERRiDE
ProgramOn
i
f* t i ÍÍ r\
i-loyin
i-.UiJFPm
stop
unoccupi^g
?S
f r<Tm
11 .UU Pm
Q COOL
HEAT
cc
Z*Zl
K “ 1 n
Program On
U -n llPm
^
o COOL
Override
■
HEAT
1?
I
During programmed, unoccupied
periods a press of the Override
button will force the thermostat
into Occupied 1 comfort settings,
temporarily.
With each successive push of the
Override button, the override tim
er will add 30 minutes, until the
maximum of 4 hours is reached.
Then the next press will zero out
the override timer, returning to un
occupied if there are no further
button presses.
When in Override, the Override
icon and the Occupied f icon
appear on the display.
The time of day ciock alternates
with the time remaining in
override.
During Override, the set point
temperatures are adjustable, pro
vided the keypad is not locked.
Adjust the heating
set point for unoccupied
periods.
(35 to 99 F)
CO
Select the day for
Occupied 1.
(M-Su)
Adjust the start time
for occupied 1.
1 ■ ri riAm
I.
U U
Adjust the stop time
for occupied 1.
C " n ñ
U . U U P m
On
Select Occupied 1 to run
on this day (On), or not to
run this day (Off).
Off
ON
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