Carrier 53DFS250-FS User's Manual
Contents
1. rogramming MODE C Pre 9 Select the maximum number of occupied periods to be used on any one day 1 2 or 3 Adjust the cooling t set point for occupied 1 COOL 35 to 99 F 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 35 to 99 F mM gt 3 Ib db JD JD Jb Hi ct alal NOTE If no Unoccupied Mode will be used press the Mode button and pro ceed to the next step Page 3 Select the day for Occupied 1 Mo Su Adjust the start time for occupied 1 aad mt gt zi pe X _ Adjust the stop time for occupied 1 On Select Occupied 1 to run on this day On or not to run this day Off Off AN Yes Select Yes or No to copy the previous day s program to this day No ON The copy command becomes avail able after the maximum number of occupied periods are programmed in a day This example uses 1 as the maximum occupied periods ever pro grammed in one day N yf u ae vam T y L X al ata a Selecting Yes then pressing Mode will copy the previous day s program and then will ask the same copy question again If yes is selected each time this routine will repeat until Saturday is copied to Sunday After Saturday is copied to Sunday the copy command is unavailab2. E Locked Indication Locked appears after the right combination of buttons are pressed rendering the buttons inoperative See page 5 Start Stop Indication Start or Stop appears when programming timer functions See page 3 Outside Indication Indicates the temperature displayed is from the optional outside sensor See page 6 Quick Start Set the Clock and Go During Setup and Gok O Press the Mode button Programming While holding the Mode press the Override button OVERRIDE O for 2 Seconds to enter Setup screens Pressing the Mode but ton selects different flashing items Repre sented in dark black Pressing the Up and Di rir j Down buttons will pc 4 He se modify the flashing selection To adjust the clock or Day use Z buttons Pag Su Press both Mode and Override buttons as above to return to normal operation MODE EJ OVERRIDE O 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 Page 2 Basic Operation 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
3. fan operation Fan alll or Fan Auto 1 Low Speed Fan AUTO all Medium Speed Fan alll High Speed Fan on O y PROGRAMMING NOTES If only one Occupied period is selected in Step 1 on page 3 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 If the start time is set later in the day than the stop time the program will run from the start time to midnight and from midnight to the stop time on the same day For example 9 00pm start 8 00am stop on Monday In this example the program will run from 12 00am Monday to 8 00am Monday and again from 9 00pm Monday to 12 00pm Monday 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 Ifthe same 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 wil
4. O indicates the system will automatically 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 eae with Day of the Week Indicates the current time and day This clock is also used to program the timer periods See page 2 Room Temperature Display Indicates the current room temperature 4 Desired Set Temperature Indicates desired room temperature s See page 2 Lal P Indication Indicates the current program is currently being over ridden for up to 4 hours See pages 2 and 5 Le Occupied or Unoccupied Indication Indicates the program number Occupied 1 2 3 or Unoccupied See pages 3 and 4 Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 1 4 Tab 3e 2f Catalog No 535 328 Printed in U S A Form OM53 3 Pg 1 11 04 Replaces New Display Setup Indication Indicates the thermostat is in the programming mode See page 4 Fan Operation indication 3 Speed Fan indicates constant continuous fan operation 3 speed indicators appear as 1bar a low speed 2bars all medium speed 3 bars alll 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
5. Owner s Manual PROGRAMMABLE DIGITAL THERMOSTAT 53DFS250 FS Front Panel z Pee Tao iT E w AUTO f m Heat lam iki 5 a 94 e z Z e 1 Liquid Crystal Display with Thermoglow Backlight 2 Up Down Buttons 3 Mode Button 4 Override Button E Heat or Cool Indicator Heat Red Cool Green 6 Temperature Sensor Bubble Mele e mm Oe E E FRONT PANEL 1 DISPLAY 1 QUICK START Set the clock and go 2 BASIC OPERATION 2 PROGRAMMING Occupied and Unoccupied Periods 3 ADVANCED SETUP 4 ABOUT ADVANCED FEATURES AND OPERATION 5 WARRANTY 7 CAUTION SET THERMOSTAT TO MODE OFF PRIOR TO CHANGING SETHNGS IN SETUP OR RESTORING FACTORY DEFAULTS 7 Day Programmable 3 Occupied periods and 1 Unoccupied period Auto Changeover Large Easy To Read Display Thermoglow Backlight Remote Sensor Ready Dry Contact Equipped Energy Saving Smart Fan Fan Purge IAQ Feature Meets California Title 24 Display Am Start i2 K at f Dal Pm Stop 19 j Aa tre eal etup am ant a 6 K es o COOL Locked Override F x g 4 AUTO N Db rs w adad ONOFF m HEAT l m Program On h 7 Fan aul bt bt 4 Mode Indicators Selects the operation mode of the equipment HEAT indicates the heat mode COOL indicates the air conditioning mode AUT
6. arge 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 sepa rate 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 PARTICU LAR PURPOSE AND MERCHANTABILITY ARE HEREBY LIMITED IN DURATION TO THE PERIOD FOR WHICH THE LIMITED WAR RANTY IS GIVEN SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED 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 owners manual including filter clean ing and or replacement and lubrication 2 Damage or repairs requ
7. i mum difference is enforced during Auto changeover and Program On operation ENERGY SAVING SMART FAN If Fan On is selected the fan will run continuously at all times If fan is in Off Mode it will only run if there is a heating or cooling demand during programmed 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 up to 4 hours If the Override button is pressed during an Occupied period the thermo stat will be forced into Unoccupied and the occu pied period 7 2 or 3 it was forced out of will 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 FAN PURGE TIMER When this feature is acti vated the fan will turn on during Unoccupied at a preset amount of time prior to Occupied 1 This pre occupancy fan purge timer may be set as instructed on this page Step 13 from 0 to 3 hours 0 this feature turned off 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 Locked will appear on the display YIM 3 yo Press all 3 for Keypad Lockout Locked 55 ay To unlock the buttons again pre
8. ired as a consequence of faulty installation misapplication abuse improper servicing unauthorized alteration or improper operation 3 Failure to start due to voltage conditions blown fuses open circuit breakers or other damages due to the inade quacy 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 additional 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 Page 7 Copyright 2004 Carrier Corporation Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 4 Catalog No 535 328 Printed in U S A Form OM53 3 Pg 8 11 04 Replaces New Tab Se 2f
9. l take over from Occupied 3 between Occupied 2 start and stop times Select Heat Pump On or Off D my of OFF a e LEE t Adjust the deadband from 1 to 6 degrees F Adjust the minimum difference between cooling and heating set points wT Rd 0 to6 F 1 La Select the cycles per hour limit d cycles per hour limit defeated di d defeat 5 min 7 Compressor lockout Di r us d d1 2 6 Ba all mond amp ss J 2 greys ze RSS A Bes Select the security level ig O no security in effect o 1 set point range limited D 2 1 program on all times 3 2 prohibits set point changes f_ Adjust the maximum Bede allowable heat set point lt lt w when security is in effect D D Step 8 only appears on if Step 9 is not 0 D 85 to 99 F x fs sy eal g Ry I Jb dB dD E dB dB dD Jb Page 4 Advanced Setup ft i mo Adjust the minimum allowable cool set point when security is in effect Step 10 only appears E t hes nm wer A E if Step 8 is not 0 35 to 99 F bi 7 Sel E im Select thermostat operation in degrees oe T Fahrenheit or Centigrade r F 6 On h Pi mas Select the display back 1 light always On or Off d er after 8 seconds p f ON on lll mnn a AELTIE S ay a Adjust the preoccu
10. le Select the day tor Occupied 1 Tu Mo Adjust the start time for occupied 1 Adjust the stop time for occupied 1 Jb Jb JD Programming Occupied and Unoccupied Advanced Setup Periods N Press the Mode button move While holding the Mode On race pi Oene an NOTE Each step number is located at the top right corner of the disiay O for 10 seconds to enter 709 ae Tig eoma Select Occupied t to run OVERRIDE __ Setup screens asy refere on this day On or not to 2 run this day Off y Off ON a e y am Off LA It tt H Adjust the time of day clock Yes NOY cy i M Lt e Tip To change h ickly sand Select Yes or No to copy hold the override Botton in an fetes the previous day s w o the up or down buttons program to this day J ns a aa E No as al Select the day of the week Selecting Yes then pressing mode wili copy the previous day s program and then wili ask the same copy question again If yes is selected each time this routine will repeat until Saturday is copied to Sunday After Satur day is copied to Sunday the copy command is unavailable lf no is selected as in previous steps flashing prompts for input will appear for start and stop times for Occupied 1 If more than one occupied period was selected in Step 1 on page 3 then cool heat set points and start stop times for additional occupied periods will be prompted a Select
11. maining in override During Override the set points are adjustable provid ed the keypad is not locked Programming Occupied and Unoccupied Periods 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 freeze protection cycle or in heating the high pressure protection cycle See Advanced Setup 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 another 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 a Press the Mode button While holding the Mode button press the Up button for 2 seconds to enter time period
12. n Step 6 page 4 Page 6 When entering the Auto mode from Cool the Heat and Cool set points 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 Heat and Cool set points would be 80 and 70 Both set points 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 is limited to how close it can come to Cool by Step 6 page 4 REMOTE SENSORS Optional Accessory When connected to terminals RS 5 RS and GND on the back of the thermostat the thermostat will read the temperature from the Remote Sensor and ignore the temperature sensor inside the thermo stat The thermostat automatically recognizes when a Remote Sensor is connected When reading the temperature from the remote the degree icon above the room temperature blinks once a second The Override button on the Remote Sensor works slightly different than the Override button on the front panel Each press of the External Override button adds 2 hours to the override timer If the timer was already active the first button press will round the run
13. oliday mode when the clock crosses midnight During Holiday mode Unoccupied set points are enforced The Override button is active during Holiday mode It will override to Occupied 1 settings up to 4 hours then return to Holiday mode The Dry Contact Switch is ignored The thermostat will exit Holiday mode at midnight of the final programmed day To terminate Holiday immediately enter the Holiday setup screen and select 0 SOFT START This feature is utilized in multiple thermostat installations controlled by the Dry Con tact terminals Assigning a unique Soft Start num ber to each thermostat will stagger the turn on times even though the Dry Contact closes for all the thermostats connected at the same time Each Soft Start number represents a multiple of 30 sec onds from the Dry Contact closure For example 1 turn on 30 seconds after Dry Contact closure 2 turn on 60 seconds after closure 3 turn on 90 seconds after closure and so on See page 5 Step 14 to configure the thermostat for Soft Start DUAL SETPOINT BEHAVIOR The adjustable set point range is 35 to 99 degrees in Fahrenheit and 7 to 35 degrees in Centigrade When in the modes 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 i
14. pancy i fan purge timer E 0 3 hours A J i 0 00 off ee T Y f T Select the unit ID for Stare a Soft Start This is used gar p L in multiple installs to tl stagger equipment turn ky on times 0 off Each increment 30 second delay 0 to 99 Dl Yes ai cr as Select the sensor type NG i Yes Outside or Duct bli sensor No Automatic Detection ot Remote Sensor Outsi Press To view Outside or Duct temperature press and hold Mode 2 seconds min The thermostat will not control to Outside or Duct Sensors Press the Mode button While holding the Mode press the Override button leave the Setup screens If no buttons are pressed the display will leave the set screens after 30 seconds Advanced Setup Table DESCRIPTION RANGE Forced minimum difference heat cool FACTORY DEFAULT 12 00 Am STEP NO Cycles per hour d cid 2 g Security Levels Maximum allowable Heat set point se a F Minimum allowable Cool set point 35 99 F Soft Start 0 9 MODE O OVERRIDE Page 5 About Advanced Features and Operation CLOCK BACKUP In the event of a power loss the thermostat internal clock will continue to keep proper time for a minimum of 48 hours without external power or batteries MINIMUM HEAT COOL SET POINT 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 page 4 This min
15. ss and hold the Mode button While holding the Mode button simul taneously press the Up and Down buttons Locked will disappear from the display DRY CONTACT SWITCH The terminals are normally open Closing or completing the circuit will cause the thermostat to enter Occupied 1 This feature allows an external device such as a central time clock occupancy sensor or a telephone activated device to force one or more thermostats into Occupied 1 For the Dry Contact to work the thermostat must be in Program On Set Occupied 1 to Off for all 7 days so the Contact closure will be in control When the thermostat is forced into Occu pied 1 via the Dry Contact closure the icon Occupied 1 will blink HOLIDAY MODE This feature forces the thermo stat into Unoccupied for a preset duration up to 99 days The Holiday setup display is entered as follows Yl TE a OPT D a Press the Mode button White holding Mode press the Up button for 2 seconds to enter the time period programming setup The first step on the display prompts for maximum number of Occupied periods ignore this prompt and press the Override button KoL b Press the Up or Down buttons to select the number of days the thermostat will be in Holiday mode 0 Off To exit Holiday setup press the Mode button When active the display counts down remaining days blinking Unoccupied also appears am a eK 7 The thermostat will enter the H
16. time to either 2 00 or 4 00 Subsequent button presses will not wraparound as the Override button on the thermostat does so the second or greater button press will set the runtime to 4 00 The Locked feature has no effect on the external Override button The wired Remote Sensor is connected to the thermostat with up to 500 ft of 20 ga or 300 ft of 18 ga thermostat wire See the Remote Sensor instructions for further details 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 in the Override button until Fd appears This resets all factory settings To cali brate 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 Optional Remote Sensor Optional Sensor 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 ch
17. 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 d K ad N amp cool AUTO HEAT 69 z Pe TED a OFF In any mode adjust the desired Set Point Temperature with A F buttons 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 a r IE LILI Pm sion ENE Su af unoccupied o COOL o coo bend 2 ai lam 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 will 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 re
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