Carrier 53DFS250-HW User manual

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This thermostat oontain$ a Lithium battery whioh may oontain Perohlorate material.
Perohlorate Material--$peoial handling may apply,
See www.dt$o.oa.gov/hazardouswaste/perohlorate
Read and save these instructions,
® U.S. Registered Trademark.
US Patent No. 7,114,554; 7,181,317; 7,225,054; 7,274,972; 7,636,604; 7,693,582
Copyright © 2011 Honeywell International Ino. All rights reserved.

53DFS250=HW Thermostat
About your newthermostat
This thermostat is ready to go! ................. 3
Quick reference to controls ....................... 4
Quick reference to status display ............. 5
Programming& Operation
Clock setting .............................................. 6
System setting ........................................... 7
Fan setting .................................................. 8
Programming Heating and
Cooling Schedule ....................................... 9
To adjust program schedules .................. 10
Hold Temperature Untit ............................ 11
Override .................................................... 13
Holiday ...................................................... 14
Key look .................................................... 15
Appendicies
Battery replacement ................................ 18
Advanced functions ................................. 19
In case of difficulty ................................... 23
CAUTION" EQUIPMENT
DAMAGE HAZARD, To prevent
possible compressor damage, do
not operate cooling system when
outdoor temperature is below 50°F
(10°C) unless a low ambient control
kit is installed.
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OperatingManual
Features
• Large, Clear Display with Backlighting--current temperature, set temperature
and time are easy-to-read and all are displayed on the main screen.
• Menu Driven Programming--Provides guidance through the scheduling process,
showing only necessary information and choices on each screen.
• Ability to Select Multiple Days--allows easy customizing for unique schedules.
• Real-Time Clock--keeps time during power failure; automatically updates for
daylight saving time.
• Precise Temperature Control (_+l°F)--reliable, consistent comfort.
• Multiple OVERRIDE options--can modify schedule for a specific period of time
(up to 365 days).
• Speedy same-schedule programming--no need to copy mulitple days.
• Programmable or non-programmable modes.
• Remote setback input for occupancy sensors or timeclocks.
• VersaSpeed TM fan ramping algorithm and fan reset algorithm
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53DFS250=HWThermostat
Your new thermostat is pre-programmed and ready to go. Just set the time and day.
Then cheek the settings below and ohange if needed:
1. Set clock ........................................................................................................ See page 6
2. Select fan setting ........................................................................................ See page 7
3. Select system setting ................................................................................. See page 8
4. Program schedules: Preset to energy-saving levels
while you're at work or asleep (assumes you
wake at 6 am, leave at 8 am, return at 6 pm
and go to bed at 10 pro) ....................................................................... See pages 10=13
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OperatingManual
DAYS
SELECTED --
GO BACK KEY --
GOES BACK TO THE
LAST SCHEDULE STEP
SCHEDULE HEAT OR COOL
PERIOD TEMPERATURES
NEXT STEP KEY
ADVANCES PERIOD,TIME,
HEAT AND COOL TEMPERATURES
/-- UP ARROW
_ CHANGES TIME
A/AND
f___-- TEMPERATURES
!2 _ bOW.ARROW
CHANGES TIME
AND
TEMPERATURES
_DONE KEY
EXITS AND SAVES
CHANGES MADE
TO SCHEDULE M31449
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53DFS250=HWThermostat
CURRENT DAY CURRENT TEMPERATURE
OF WEEK TiME SETTING
CURRENT _
SYSTEM SETTING CURRENT
FAN SETTING
S
THERMOSTAT iS
"CALLING FOR
COOL OR HEAT"
M31450
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OperatingManual
CCLJ
Adjust time, then press DONE
To set the current time display, press
MORE,then press CLOCK.Use the arrows
to set the eurrent time
Press DONEto save & exit
Note: The real-time clock should never require
adjustment since it automatically updates for
daylight savings time, and stores alt date/time
information.
Note: To change the current week day display,
see page 20.
M31451
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53DFS250=HWThermostat
Press SYSTEM& FAN
Press SYSTEMto select mode,
then pl ;ss DONE
Foltow steps at left to seteot system:
* Heat: Thermostat controls only the heating
system.
.Cool: Thermostat controls only the cooling
system.
* Auto: Thermostat automatically selects
heating or cooling depending on the indoor
temperature.
o Off: Heat and Cool are off.
.Em Heat (only for heat pumps with auxiliary
heat): Thermostat controls Emergency and
Auxiliary Heat. Compressor is looked out.
Note: The Auto and Em Heat system settings
may not appear, depending on how your
thermostat was installed.
U
Note: When set to Off, the fan may operate
depending on the fan setting.
M31452
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OperatingManual
Press SYSTEM& FAN
Press FANto select mode, then press DONE
CCCD M31453
Press SYSTEM & FAN, then FAN to select fan
operation, then press DONE.
•On: Fan is always on.
•Auto= Fan runs only when the heating
or cooling system is on.
•LO: low fan speed
• MED: medium fan speed
•Hi: high fan speed
Display shows the fan blade symbol #t
next to FAN when the thermostat has the
fan turned on.
Occupied Mode-Fan control is On. Move
fan to Auto to turn off the fan.
Unoccupied Mode-Fan control is the
same as with the Auto setting, this is true
even when the display indicates "On".
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