Carrier 53DFST2-NP Manuel utilisateur

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 535-330 Printed in U.S.A. Form OM53-5 Pg 1 11-04 Replaces: New

Book 1 4

Ta b 3 e 2 f

• Dual Set Point

• 5+1+1 Day Programmable

• 3 Occupied Periods and 1 Unoccupied Period

• Very Easy to Program

• Large, Easy to Read Display

• Thermoglow™ Backlight

• No Batteries Required

• Auto Changeover

•EnergySavingSmartFan

• Locking Keypad

•OverrideButton

• 3 Fan Speeds

• Meets California Title 24

• Use with Carrier Duct-free HEAT-COOL or COOL-

ING ONLY systems

DISPLAY 1

QUICK START

Set the clock and go

BASIC OPERATION 2

PROGRAMMING

Occupied and

Unoccupied Periods

ADVANCED SETUP 4

ABOUT ADVANCED FEATURES

AND OPERATION 4

WARRANTY 6

Table of Contents

IMPORTANT: Follow

Installation Instructions

before proceeding.

CAUTION: SET THERMOSTAT TO MODE “OFF”

PRIOR TO CHANGING SETTINGS IN SETUP OR

RESTORING FACTORY DEFAULTS.

Display

1 Mode Indicators

Selects the operation mode of the equipment.

HEAT — indicates the heat mode.

COOL — indicates the air conditioning mode.

AUTO — indicates the system will automati-

cally 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 2.

2 Clock with Day of the Week

Indicates the current time and day. This clock is also

used to program the timer periods.

Seepage2.

3 Room Temperature Display

Indicates the current room temperature.

4 Desired Set Temperature

Indicates desired room temperature(s).

Seepage2.

5 Override Indication

Indicates the current program is currently being

overridden for up to 4 hours.

See pages 2

and 4

6Occupied or Unoccupied Indication

Indicates the program number: Occupied 1, 2, 3,

or Unoccupied.

See page 3.

Owner’s Manual

PROGRAMMABLE DIGITAL THERMOSTAT

53DFST2-NP

1 Liquid Crystal Display

with Thermoglow™Backlight

2 Up/Down Buttons

3 Mode Button

4 Override Button

5 Heat or Cool Indicator

Heat = Red, Cool = Green

:Am

HEAT

AUTO

COOL

unoccupied

Fan

Program On

COOL

HEAT

Override

Locked

ONOFF

AUTO

Stop

Start

SetupSuMoTuWeThFrSa

123

Page 2

The thermostat is preprogrammed from the factory to op-

erate without the need for further programming. To opti-

mize the installation of this thermostat follow the instruc-

tions in the Advanced Setup section.

NOTE: The thermostat is not programmed to operate

Duct-Free Split heat pump systems

Display

7Setup Indication

Indicates the thermostat is in the programming

mode.

Seepage4.

8Fan Operation Indication

Fan On Icon — indicates constant continuous fan

operation in one of three manual speeds.

When FanOnIconis not lit — indicates the fan

will only operate when necessary to heat or to

cool.

See page 4.

9Locked Indication

Locked appears after the right combination of

buttons are pressed, rendering the buttons in

operative.

See page 4.

10 Start/Stop Indication

Start or Stop appears when programming timer

functions.

See page 3.

Quick Start

Set the Clock and Go

Basic Operation

Setup

During Setup and Programming:

Pressing the Mode button selects

different flashing items. (Repre-

sented in black.)

Pressing the Up and Down buttons

will modify the flashing selection.

ProgramOn

occupied1

OFF

HEAT

COOL

HEAT

COOL

AUTO

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.

Pressing the up/down buttons in Auto mode will adjust both the

heat and cool set temperatures simultaneously.

Pressing the up/down buttons in Heat or Cool modes will adjust

only the heat or cool set temperature.

Select Desired Temperature

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 1 icon ap-

pear on the display.

The time of day clock alternates

with the time remaining in over-

ride.

During Override, the set points

are adjustable, provided the key-

pad is not locked.

Select Mode

AUTO

HEAT

COOL

buttons.

In any mode, adjust the

desired Set Point Temperatur

with

unoccupied

ProgramOn

Override

occupied 1

Stop

HEAT

COOL

HEAT

COOL

ProgramOn

Override

Page 3

Important — Before you Begin

When using unoccupied modes, Auto fan speed must be

selected. Manual fan speed should not be used for unoc-

cupied operation. Auto Fan speed must be used to pre-

vent the system from entering the coil freezeprotection

cycle or in heating, the high-pressure protection cycle.

(See Advanced Set-Up Section for fan speed selection.)

If different heating and/or cooling temperature set points

are desired Monday through Friday, at different times of

the day, two occupied periods must be programmed. To

adjust set points and times for the two occupied periods:

If the space to be controlled should have a designated

temperature from 7:00 a.m. to 5:00 p.m. Monday through

Friday and for the remainder of the day have an alternate

or setback temperature set point set to stop at 5:00 p.m.,

program the occupied (2)mode at 12:00 a.m. to

12:00 a.m. at the alternate temperature set point.

NOTE: If one occupied period starts and stops within an-

other occupied period the lower occupied number has

priority.

If additional setback is desired for Saturday and Sunday,

program occupied (1)from 12:00 a.m. to 12:00 a.m. for

both Saturday and Sunday at the desired temperature. Programming Notes

• If only one Occupied period is selected in Step 1 on

this page, Occupied 2 and 3 programming steps are

skipped. Further, if only 2 occupied periods are

selected, Occupied 3 programming steps are

skipped.

• Heat and Cool set points for Occupied 1 are the

same for every day of the week. Heat and Cool set

points for Occupied 2 and 3 can be adjusted differ-

ently for weekdays and weekends, if desired.

• The Unoccupied settings take effect at all times

when: (1)the program is on and (2)the current time

is outside a preset occupied period. For this reason

start and stop times are not necessary for

unoccupied.

•Ifthesame start and stop times are programmed in

for an occupied period, then it will run 24 hours.

• If one occupied period starts and stops within

another occupied period the lower occupied num-

ber has priority.

For example: If Occupied 3 is pro-

grammed to be “on”24 hours, and Occupied 2 is

programmed to run that day, then Occupied 2 set-

tings will take over from Occupied 3 between

Occupied 2 start and stop times.

Programming Occupied and Unoccupied

Periods

occupied

occupied 1

unoccupied

COOL

HEAT

Select the maximum number

of occupied periods to be

used on any one day.

Adjust the cooling

set point for occupied 1.

(35 to 99 F)

(1,2 or 3)

Adjust the heating

set point for occupied 1.

(35 to 99 F)

Adjust the cooling

set point for unoccupied

periods.

(35 to 99 F)

Adjust the heating

set point for unoccupied

periods.

(OF,35 to 99 F)

MODE

unoccupied

COOL

HEAT

Typically 1.

MoTuWeThFr

occupied 1

Start

Stop

occupied 1

MoTuWeThFr

Select the day for

Occupied 1.

Select Occupied 1 to run

on this day (On), or not to

run this day (Off).

Adjust the start time

for occupied 1.

Adjust the stop time

for occupied 1.

MoTuWeThFr

To exit programming press the Mode button.

While holding Mode, press the Up button.

Page 4

Advanced Setup Table

*Not applicable for use with Duct-Free Split Heat Pump systems.

• CLOCK BACKUP — In the event of a power loss,

the thermostat internal clock will continue to keep

proper time for a minimum of 48hours without

external power or batteries.

• MINIMUM HEAT/COOL SETPOINT DIFFERENCE

— The Heat and Cool set points will not be allowed

to come any closer to each other than the value set

in Advanced Setup

Step 6, on this page

. This mini-

mum difference is enforced during Auto changeover

and Program On operation.

• ENERGY SAVING SMART FAN — If a manual fan

speed is selected, the fan will run continuously at all

times. If mode is Off, the fan will only run if there is a

heating or cooling demand in Unoccupied periods.

• OVERRIDE — As explained on

page 2

,pressing

the Override button during a programmed, Unoccu-

pied period will force the thermostat into Occupied

1, temporarily, for up to 4 hours. If the Override but-

tonispressedduringanOccupiedperiod,thether-

mostat will be forced into Unoccupied and the

occupied period

(1,2 or 3)

,itwasforcedoutofwill

be turned off, only for that day.

During Override periods the set points may be

adjusted, but they will not be remembered after

Override ends.

• KEYPAD LOCK — To prevent unauthorized use of

the thermostat, the front panel buttons may be dis-

abled. To disable or ‘lock’ the keypad, press and

hold the Mode button. While holding the Mode but-

ton, simultaneously press the Up and Down but-

tons. The Locked icon will appear on the display.

unlock

the buttons, again press and hold the

Mode button. While holding the Mode button, simul-

taneously press the Up and Down buttons. Locked

will disappear from the display.

• DISPLAY BLANKING — The thermostat display

may be configured in advanced setup, this page,

Step 3, to always be visible as normally expected,

or may be selected Off. When selected Off, only the

time of day will appear until a button is pressed.

When a button is pressed the full, normal display

will appear and then revert to the time of day only,

after roughly 10 seconds.

Advanced Setup

STEP NO. DESCRIPTION RANGE FACTORY

DEFAULT

1 Time of day clock set 24 hour 12:00 Am

2 Day of the week Su - Sa Mo

3 Display Blanking Off /On On

4 Fan Operation Auto /On Auto

5 Heat Pump*Off /On On

6Deadband or Temperature swing 1 - 6F2F

7Forced minimum difference

heat/cool 0-6F2F

8Cycles per hour d, d1, 2 - 66

9Thermoglow™ backlight Off /On On

10 Fahrenheit or Celsius F /CF

About Advanced Features and Operation

Setup

OFF

Setup

IMPORTANT: Be sure to press and hold the override button

with the Mode button for full ten seconds.

NOTE: Step 5 is not applicable for use with Duct-Free Split Heat Pump

Systems.

ress the Mode button. WhileholdingtheMode,presstheOverridebuttonto

eave the Setup screens. If no buttons are pressed, the display will leave the

etup screens after 60 seconds.

Locked

unoccupied

Cool

Heat

ProgramOn

Page 5

• DUAL SET POINT BEHAVIOR — The adjustable

set point range is: 35 to 99 degrees in Fahrenheit

and 7to 35 degrees in Celsius. Wheninthemodes

Heat or Cool, this adjustable range is unhampered.

When adjusting any Auto mode, including program-

ming Occupied and Unoccupied periods, the ther-

mostat will not allow the Heat set point to get closer

to the Cool set point than the value programmed as

the minimum difference in

Step 7, page 4.

When entering the Auto mode from Cool, the Heat

and Cool set point temperatures will remain spread

apart by the amount that they were adjusted, prior

to entering Auto.

For example: If the Cool set point was set to 80

while in the Cool mode and the Heat set point was

adjusted to 70 while in the Heat mode, upon enter-

ing the Auto mode the Cool and Heat set points

would be 80and70. Both set point temperatures

would then move up and down together, (in this

example spread by 10 degrees), by pressing the up

or down buttons.

To move the Heat and Cool set points closer

together, enter the Cool or Heat mode by pressing

the Mode button, then adjust the set point(s)closer

together. Heat islimitedtohowcloseitcancometo

Cool by

Step 7, page 4

• FACTORY DEFAULTS — Before restoring factory

defaults, set thermostat to OFF mode. If, for any

reason it is desirable to return all stored settings

back to the factory default settings, press the Mode

button. While holding the Mode button in, press the

Down button for 2 seconds. All icons will appear.

Press and hold the Override button until Fd

appears. All icons will appear. Press and hold in the

FanbuttonuntilFd appears. This resets all factory

settings. To calibrate room temperature,press

the Mode button once more. At this point use the Up

and Down buttons to calibrate room temperature, if

needed. Press the Mode button to return to normal

operation.

HEAT

AUTO

Page 6

One-Year Warranty — This Product is warranted to be free from defects in material and workmanship. If it

appears within one year from the date of original installation, whether or not actual use begins on that

date, that the product does not meet this warranty, a new or remanufactured part, at the manufacturer’s

sole option, to replace any defective part will be provided without charge for the part itself; PROVIDED the

defective part is returned to the distributor through a qualified servicing dealer.

THIS WARRANTY DOES NOT INCLUDE LABOR OR OTHER COSTS incurred for diagnosing, repairing, removing,

installing, shipping, servicing or handling of either defective parts or replacement parts. Such costs may be

covered by a separate warranty provided by the installer.

THIS WARRANTY APPLIES ONLY TO PRODUCTS IN THEIR ORIGINAL INSTALLATION LOCATION AND BECOMES

VOID UPON REINSTALLATION.

LIMITATIONS OF WARRANTIES — ALL IMPLIED WARRANTIES (INCLUDING IMPLIED WARRANTIES OF FITNESS FOR

A PARTICULAR PURPOSE AND MERCHANTABILITY) ARE HEREBY LIMITED IN DURATION TO THE PERIOD FOR

WHICH THE LIMITED WARRANTY IS GIVEN. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IM-

PLIED WARRANTY LASTS, SO THE ABOVE MAY NOT APPLY TO YOU. THE EXPRESSED WARRANTIES MADE IN THIS

WARRANTY ARE EXCLUSIVE AND MANY NOT BE ALTERED, ENLARGED, OR CHANGED BY ANY DISTRIBUTOR,

DEALER, OR OTHER PERSON WHATSOEVER.

ALL WORK UNDER THE TERMS OF THIS WARRANTY SHALL BE PERFORMED DURING NORMAL WORKING HOURS.

ALL REPLACEMENT PARTS, WHETHER NEW OR REMANUFACTURED, ASSUME AS THEIR WARRANTY PERIOD ONLY

THE REMAINING TIME PERIOD OF THIS WARRANTY.

THE MANUFACTURER WILL NOT BE RESPONSIBLE FOR:

1. Normal maintenance as outlined in the installation and servicing instructions or owner’s manual including

filter cleaning and/or replacement and lubrication.

2. Damage or repairs required as a consequence of faulty installation, misapplication, abuse, improper ser-

vicing, unauthorized alteration or improper operation.

3. Failure to start due to voltage conditions, blown fuses, open circuit breakers or other damages due to

the inadequacy or interruption of electrical service.

4. Damage as a result of floods, winds, fires, lightning, accidents, corrosive environments or other conditions

beyond the control of the Manufacturer.

5. Parts not supplied or designated by the Manufacturer, or damages resulting from their use.

6. Manufacturer products installed outside the continental U.S.A., Alaska, Hawaii, and Canada.

7. Electricity or fuel costs or increases in electricity or fuel costs from any reason whatsoever including addi-

tional or unusual use of supplemental electric heat.

8. ANY SPECIAL INDIRECT OR CONSEQUENTIAL PROPERTY OR COMMERCIAL DAMAGE OF ANY NATURE

WHATSOEVER. Some states do not allow the exclusion of incidental or consequential damages, so the

above may not apply to you.

This warranty gives you specific legal rights, and you may also have other rights which may vary from state

to state.

Warranty

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 535-330 Printed in U.S.A. Form OM53-5 Pg 811-04 Replaces: New

Book 1 4

Ta b 3 e 2 f

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