Carrier 53DFS250-SL Programmable Digital Thermostat Owner’s Manual
Display
Quick Start Set the Clock and Go
1
During Setup and Programming:
6
10
7
Pressing the Mode button selects different flashing items
(represented in black).
ProgramOn Setup
Stop Start
unoccupied 123
Am
Pm
:
4
Pressing the Up and Down buttons will modify the flash-
ing selection.
2
SuMTuWThFSa
1
5
1
COOL
Override
HEAT
AUTO
OFFON
Locked
1
9
.
4
8
Fan
3
:
Pm
1
Mode Indicators
Selects the operation mode of the equipment.
COOL — indicates the air conditioning
mode.
M
HEAT — indicates the heat mode.
AUTO — indicates the system will auto-
matically changeover between
the heat and cool modes as the
temperature varies.
OFF — indicates the entire system is
turned off.
.
PROGRAM ON — indicates the stored
program is enabled to
run. See page 3.
The thermostat is preprogrammed from the factory to op-
erate equipment without the need for further program-
ming. To optimize the installation of this thermostat follow
the instructions in the Advanced Setup section.
2
Clock with Day of the Week
Indicates the current time and day. This clock
is also used to program the timer periods.
See this page.
NOTE: The thermostat is not preprogrammed from the
factory to operate heat pump systems. To control these
systems, follow the steps in the Advanced Setup section,
page 4.
3
4
Room Temperature Display
Indicates the current room temperature.
Desired Set Temperature
Indicates desired room temperature(s).
See page 3.
5
Override Indication
Indicates the current program is currently be-
ing overridden for up to 4 hours. See
pages 3 and 5.
6
7
8
Occupied or Unoccupied Indication
Indicates the program number: Occupied 1, 2,
3, or Unoccupied. See pages 3 and 4.
Setup Indication
Indicates the thermostat is in the program-
ming mode. See page 4.
Fan Operation Indication
Fan — indicates constant continuous
fan operation.
When Fan On Icon is not lit — indicates the
fan will only operate when necessary to heat
or to cool.
9
Locked Indication
Locked appears after the right combination of
buttons are pressed, rendering the buttons
inoperative. See page 5.
10 Start/Stop Indication
Start or Stop appears when programming
timer functions. See page 3.
Page 2
| General | Details |
|---|---|
| Name | Carrier 53DFS250-SL Programmable Digital Thermostat Owner’s Manual |
| Make | Carrier |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.48 MB |
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