Honeywell T7200 User's Manual
Contents
1. b SETPOINT SETPOINT ADJUST This override is useful in situations where the occupied space feels too cool or warm for the occupants and a temporary change of setpoint would make the temperature more comfortable It can be called from either the Occu pied or Unoccupied modes and functions in this way Press the 3 HOUR OCCUPIED key If in Unoccupied the thermostat will go to the Occupied mode controlling the space temperature to the Occupied setpoints for 3 hours If in Occupied mode no change of setpoints will occur However this will ensure 3 hours of Occupied set point control regardless of any Unoccupied Start Times that may be programmed The indicator on the left side of the display will point to 3 HR OCCUPIED while this over ride is in effect 3 HOUR OCCUPIED AND J KEY PRESSED l HOUR OCCUPIED AND i 3 HOUR OCCUPIED AND KEY PRESSED KEY PRESSED OCCUPIED L HOUR OCCUPIED AND KEY PRESSED 12 4 8 12 4 8 12 4 8 12 4 8 12 FRIDAY SATURDAY 4 A M TIME DAY THEN Press the the key This will adjust the setpoint up by a preprogrammed Amount of Setpoint Adjust As an example Occupied Heat is set for 70 F and Amount of Setpoint Adjust is set for 5 F After the key is pressed the Occupied Heat setpoint will be 70 5 or 75 F The thermostat will then control the space temperature to 75 and the indic2. Tete age eine e po rer m A ee E ce oue A ed I ae E a che hee r a premised 2222 A EE A eae hate Y e Es eire This thermostat provides security which can lock out programming to prevent tampering If the keyboard or display do not respond programming may be locked out contact your installer The override display and clock keys remain active and are not locked out by this feature See the section titled OVERRIDING THE THERMOSTAT S PROGRAM for a complete description The T7200 and T7300 thermostats feature a liquid crystal display of temperature or of time and day of week These thermostats mount on the wall and include the display program memory Keyboard and temperature sensor Security is provided for resistance along with three overrides which maximize comfort without sacrificing energy savings The T7200 is for use on 1 heat 1 cool conventional rooftop systems The T7300 is for use on 1 heat 1 cool to 2 heat 2 cool conventional or heat pump systems and may be used with a remote sensor Liquid Crystal Display Set Recall Occupied Including Programming Prompts select Desired Constant Unoccupied Times and Status Indicators Display Data Entry Keys A ajaa jaranan JS Hour OCCUPIED
3. ares 10 cH tea aan den 10 Overriding the Thermostat s TERI aa 11 kaze EE 13 Setpoint Adjust DAA lr pL rw 15 von nunus UNOCCUPI a nor ETETETT 17 Introduction to T7200 T7300 Programming AN ss ee ee 18 a the Thermoslal 20 EY bih 21 ttt A LI ET e ERR RARE T E ii eki 23 To Set The Temperature ton 25 To Set The Unoccupied Heat Temperature Vases sec 27 To Set The Occupied Cool Temperature lI ee 29 To Set The Unoccupied Coo Temperature 31 To Set Occupied And Unoccupied Start Times 33 Clear Programmed Start D RS 35 To Copy A Day __ Tr roi 37 To Set The Amount of Setpoint Adjust A 39 rra 40 Sample Schedule2 sn TETEE 42 Form to Enter Your Schedule lois 44 Battery Access and Replacement Ad ATT 46 Glossary IRL Sa Pn TP 48 STARTUP When power is first applied an internal startup program begins This takes place after any total loss of power supply voltage and backup battery and lasts 2 seconds At this
4. W m 4 9 9 9 9 P B AM w e D a W 4 4 gt gt v 9 9 v w 9 v v w b w amp 6 a s DATA CHANGE 2 55 o a m H v Pa 0 a W w v w 4 W w w an a n SET START TIME SELECT OCCUPIED z 3 HOUR LE DAY STARTTIME SEE BH DISPLAY Je neces A A MM MA bb 9 3 9 n e Mon aaa v H oe ae v 9 a ells NEM B esc ee e san ene B a a a ec v ts af a ava B a gt a H a von masan B a v e oi v e v Le 9 a Les v anan an 9 a 4 Ge v CLEAR NT bea freno von u ef e v n START TIME LAN UNOC COPY START TIME KEYS USED FOR SETTING THE START TIMES SET OCCUPIED AND UNOCCUPIED START TIMES 1 Press the SELECT DAY key The display will show an abbreviated day of the week 2 Press the or key until the desired day is dis played 3 Press the OCCUPIED START TIME key The indicator on the display will point to OCCUPIED indicating that the OCCUPI
5. a a a ae 9 9 9 s s e me an a n aa e n 5 m ma n 9 e 9 5 eee no e ss no e o eevee s so o a as an ses a e e oo see UNOC CLEAR COPY START TIME START TIME KEYS USED FOR SETTING THE DAY mm Qf ER M as OW XE n O gt Ys PRO 2 NK pi 62 23 SET THE DAY 1 Press the DAY key 2 Press the or key until the display shows the current day NOTE Su Sunday Mo Monday Tu Tuesday We Wednesday Th Thursday Fr Friday Sa Saturday is a a OCCUPIED UNOCCUPIED e Honeywell CONT UNOC e ENVIRONMENTAL e 3 HR OCCUPIED e CONTROL SET START TIME DATA CHANGE SELECT OCCUPIED 5 DAY START TIME E vum DISPLAY P 5 4 4 9 4 eevee 9 99 UNOC CLEAR COPY START TIME e START TIME KEYS USED FOR SETTING THE OCCUPIED HEAT SETPOINT CUL DEYIR qns o KG LG a KNA EN Ng PUER ETE Rr meg TO SET THE OCCUPIED HEAT TEMPERATURE 1 Press the OCCUPIED HEAT key The indicator on the display will point to OCCUPIED and the word HEAT will be displayed to indicate that the occupied heat setpoint has been selected
6. Set Correct Set Recall Activate Deactivate Time of Day Occupied Convenience Overrides Day of Week Unoccupied Temperatures 4 17200 T7300 PROGRAMMABLE COMMERCIAL THERMOSTAT Congratulations You are the owner of one of the finest thermostats ever produced by Honeywell The unique features of the 17200 T7300 Program mable Commercial Thermostats Satisfy the special requirements of commercial single zone air condi tioning systems and provide convenience and tem perature control accuracy that is unparalleled in the industry These thermostats also include energy Saving features which allow them to minimize the energy needed to maintain comfort conditions by using Outdoor air for free cooling whenever possible A thorough review of this Owner s Manual will help you identify those features which will maximize comfort convenience and Savings in your applica tion Terms and words that may not be familiar to you are explained in the glossary at the end of this manual 17200 17300 Thermostat Operatlon aria aana ak e 6 Startup EE ee Aaa sei ee 20 8 76 8 6 6 Selecting the Desired Operating Display soi A DPI Indicators ADA ee ee dd ones EE oo Minimum Operation Times 0270 AA A a a EI ses 7 Program Schedule ados 8 ERU AO
7. The dis play will also show the last entered or default occupied heat setpoint 2 Press the or key until the display shows the desired temperature for the occupied period NOTES OCCUPIED HEAT temperature is the heating system setpoint for the period when your building will be occupied Minimum OCCUPIED HEAT setting cannot be lower than the UNOCCUPIED HEAT setpoint Maximum OCCUPIED HEAT setting is 2 1 C lower than the OCCUPIED COOL setpoint Limits of OCCUPIED HEAT setting can be changed by adjusting the UNOCCUPIED HEAT and OCCUPIED COOL setpoints PROGRAMMING THE THERMOSTAT STA a n OCCUPIED e UNOCCUPIED e 4 Honeywell ENVIRONMENTAL a 3 HR OCCUPIED e CONTROL SET START TIME DATA CHANGE SELECT OCCUPIED E START TIME E OE DISPLAY 22 CLEAR COPY START TIME 555 START TIME KEYS USED FOR SETTING THE UNOCCUPIED HEAT SETPOINT OTAN TE FEA SET THE UNOCCUPIED HEAT TEMPERATURE 1 Press the UNOC HEAT key The indicator on the display will point to UNOCCUPIED and the word HEAT will be displayed to indicate that the unoccu pied heat setpoint has been selected The display will also show the last entered or default unoccu pied heat setpoint 2 Press the or key until the display shows the desired temperature for the unoccupied period NOTES UNOCCUPIED HEAT temperature is the heating system setpoint for the peri
8. UNOC key will cancel this override mode and return into the unoccupied period for an indefinite time the T7300 to normal operation CONT UNOC ye PRESSED 2 OCCUPIED Q Li ul UNOCCUPIED 12 4 8 12 4 8 12 4 8 12 4 8 12 TUESDAY WEDNESDAY wp lt lt AM 2 P M TIME OF DAY 17 Convenient keyboard layout provides effortless program entry your avenue to maximum energy and cost savings The following pages provide function by function instructions to program the T7200 T7300 Program mable Commercial Thermostats The following general steps are required to enter your weekly time and temperature schedule into the thermostat Enter the correct time and day Enter the temperature setpoints you want for heating and cooling system operation For each day of the week enter starting time for the periods when your building will be occupied and unoccupied To review program entries simply press the same function keys used to begin each programming step For example to review the occupied cool temperature setpoint press the OCCUPIED COOL key Sample schedules can be found at the end of the PROGRAMMING THE THERMOSTAT section PROGRAMMING NOTES The and keys are used to adjust the day time or setpoint temperatures ahead or back respectively Use the DISPLAY key to exit any programming mode IMPORTANT This thermostat provides securi
9. a eM a t s se er A O CC SE 1 Nom Wi y v oo 4 5 amp t e amp V KEYS USED FOR COPYING DAY COPY A DAY 1 Press the SELECT DAY key 2 Press the or key until the day to be copied from is displayed 3 Press the COPY key 4 Press the or key until the day to copied to is displayed NOTE The day to be copied from will remain on the DISPLAY 5 Press the COPY key again to perform the Copy 6 Repeat Steps 3 to 5 to copy a day again NOTES The COPY DAY procedure is optional Start times for each day of the week can be programmed as described in the preceding instructions TO SET START TIMES If you use the COPY DAY feature review all start time schedules to verify that Copying was com pleted without error 37 KEYS USED FOR OCCUPIED UNOCCUPIED 1 CONT UNOC 3 OCCUPIED e ENVIRONMENTAL 2 CONTROL DATA CHANGE SET START TIME SELECT OCCUPIED DAY START TIME OCCUPIED OCCUPIED 3 HEAT COOL DISPLAY CLEAR START TIME _ UNOC COPY START TIME SETTING AMOUNT OF SETPOINT ADJUST SETPOINT ADJUST This page explains how to set the Amount of Set point Adjust for the setpoint adjust override described
10. convenience UNOCCUPIED COOL SETPOINT OCCUPIED COOL SETPOINT OCCUPIED HEAT SETPOINT UNOCCUPIED HEAT SETPOINT UNOCCUPIED PERIOD INTELLIGENT RECOVERY OCCUPIED PERIOD UNOCCUPIED PERIOD SECURITY AND OVERRIDES SECURITY The T7200 T7300 thermostats provide program security capability which if used can lock out programming This prevents tampering with thermo stat setpoints and schedules If the lock out function is not used the thermostat can be programmed normally as described in this manual When the thermostat is locked out only limited keyboard functions are available The three overrides setting clock times and program reviews can be performed when the keyboard 15 locked out OVERRIDING THE THERMOSTAT S PROGRAM The security feature of this thermostat does not lock out the use of the 3 overrides Two of the overrides 3 Hour Occupied and Setpoint Adjust are timed for 3 hours at which time the thermostat returns to the normal program The last override Continuous Unoccupied is not timed Once this override is in operation it cannot be exited unless the CONT UNOC key is pressed or another override is placed into operation None of these 3 overrides may be used at the same time and the last override placed into operation will be in control 11 SECURITY AND OVERRIDES OCCUPIED UNOCCUPIED e Honeywell CONT ENVI
11. in the SECURITY AND OVERRIDES section 1 Press the 3 HOUR OCCUPIED key The indicator on the left side of the display will point to 3 HR OCCUPIED 2 Press the DISPLAY key to enter the set mode The LCD will display 0 default or 1 to 5 degrees F if previously set 3 Press key to change the amount of setpoint adjust from 0 to 5 degrees pP 39 PROGRAMMING THE THERMOSTA SAMPLE SCHEDULE 1 In this sample schedule the owner wants the building s temperature to be at the OCCUPIED HEAT COOL setpoint beginning at 7 00 a m on Monday through Saturday The building s UNOCCUPIED times vary On Monday Tuesday Thursday and Friday the building is UNOCCUPIED beginning at 5 00 p m The UNOCCUPIED Period starts later on Wednesday 9 00 p m and earlier on Saturday 11 00 a m On Sunday the building 15 unoccupied all day Neither an OCCUPIED period nor an UNOCCUPIED period starts on Sunday The building 15 UNOCCU PIED starting at 11 00 a m Saturday and remains UNOCCUPIED until Monday morning at 7 00 a m In programming Sunday 5 schedule the CLEAR START TIME key would be used to clear OCCUPIED START and UNOCCUPIED START times for Sunday Note that start times for Tuesday Thursday and Friday are identical to those for Monday Each day can be programmed separately Optionally Monday s start times can be entered then the Monday schedule copied into each of the other 3 days with the aid of t
12. time default temperature setpoint values are used for temperature control These are heating 68 F 20 C and cooling 78 F 26 C Following the startup period you can enter new setpoints which will be used in place of these default values Should a power failure occur after your time and temperature schedule entries are made the backup battery will maintain your schedule up to 60 hours As long as either system or battery backup power is present your program is available and will be used for temperature control T7200 T7300 THERMOSTAT OPERATION OPERATION SELECTING THE DESIRED OPERATING DISPLAY The DISPLAY key allows you to select a continuous display of time or temperature Each press of the DISPLAY key will toggle the display between time or temperature INDICATORS No Program in Thermostat Memory A display of 4 dashes indicates that there is no program stored in the thermostat s memory This will occur when power is first applied to the thermostat or when power was lost to the thermo stat while battery backup was either weak or not installed Loss of External Power A blank display indicates loss of external power The backup battery will maintain your time and temperature schedule during power loss The keyboard and display are inoperative while the thermostat is operating on battery power BATT Displayed on LCD BATT displayed on LCD indicates backup battery is weak or not installed Refer to section titl
13. ART TIME DATA CHANGE DISPLAY CLEAR START TIME KEYS USED TO CLEAR A PROGRAMMED START TIME CLEAR PROGRAMMED START TIME 1 Press the SELECT DAY key 2 Press the key until the desired day 15 displayed 3 Press the OCCUPIED START TIME key or the UNOC START TIME key until the time to be cleared 5 displayed 4 Press the CLEAR START TIME key The display should now show four dashes or the other start time if programmed 35 PROGRAMMING THE THERMOSTAT OCCUPIED UNOCCUPIED Honeywell CONT UNOC e ENVIRONMENTAL a 3 HR OCCUPIED e CONTROL a 9 9 e 6 9 9 9 9 eee a a v 9 t 9 9 9 a 4 v v ee v v 9 9 w 9 9 9 9 e 9 v 9 9 3 P u v vr u v v m e v e 4 B 9 9 P e se w a b 8 9 9 ana ennan u u n op w 9 o p g 9 P o a ns DATA CHANGE xm 4 v A 9 P ana e lt Tes W 9 9 w 9 9 4 4 e e v eA a v v wow 9 6 e Les 9 m 4 b 9 o SET START TIME DAY STARTTIM
14. E DISPLAY 2 eae ma 4 27 W e RA a A Rd e her eoo at gina EA ove s ese wk wou of eee 9 u r el ene em b n Y ooo lt lt ae B a an see Baie ae a a na eee 909 ss of eve v 4 Les e un 9 eo af amp gt Y _ CCC a M e m n WF V b UV b V e 9 a es Mm a u v 9 amp b 9 v M e 4 9 u hom 9 9 9 9 clo W 9 9 9 u u as v v V M e oo amp 9 e 5 b 9 v w v v 9 5 e w w 9 e u r eh Boa 9 9 9 nan a oque u a 9 2 zz CONT UNOC COPY START TIME START TIME enn mS dd mp RRR MAIN e a anan Se H e gt Ver 00956 2 sc 0n Yee rtt t n8 e s 9 ee re br gt o v 3 a c 09 Me w e CI E 99 4
15. ED period has been selected 4 Press the or key until the desired start time appears on the display 5 If the occupied time displayed is not desired press the CLEAR START TIME key 6 Press the UNOC START TIME key The indicator on the display will point to UNOCCUPIED indicating that the UNOCCUPIED period has been selected 7 Press the or key until the desired start time appears on the display 8 If the unoccupied start time displayed is not desired press the CLEAR START TIME key NOTES To program a second Occupied Start Time for the selected day repeat step 3 until either 4 dashes are displayed or the second start time if previously programmed is displayed Then repeat step 4 To program a second Unoccupied Start Time for the selected day repeat step 6 until either 4 dashes are displayed or the second start time if previously programmed is displayed Then repeat step Repeat Steps 1 through 8 for each remaining day of the week or refer to the section titled TO COPY A DAY Program times are entered in 10 minute increments Each day of week has two OCCUPIED START TIME and two UNOCCUPIED START TIME slots available for programming Each day is the 24 hour period from 12 a m to 12 a m midnight to midnight 33 OCCUPIED e UNOCCUPIED e Honeywell CONT UNOC e ENVIRONMENTAL e 3 HR OCCUPIED e CONTROL SET START TIME SELECT OCCUPIED DAY START TIME UNOC COPY ST
16. RONMENTAL 3 HR OCCUPIED CONTROL SET START TIME DATA CHANGE SELECT OCCUPIED DAY START TIME mm DISPLAY C OCOECOC UNOC COPY START TIME CLEAR START TIME KEY USED FOR THE 3 HOUR OCCUPIED OVERRIDE 3 HOUR OCCUPIED This override is useful in situations where people will have to be in a building when it is normally va cant such as after normal working hours or on week ends or holidays Press the 3 HOUR OCCUPIED key to place the thermostat into the Occupied mode OCCUPIED SETPOINT UNOCCUPIED FRIDAY lt H A M 9 P M controlling the space temperature to the occupied setpoints for 3 hours The indicator on the left side of the display will point to 3 HR OCCUPIED while this override is in effect 3 HOUR OCCUPIED KEY PRESSED i 12 2 4 6 8 10 12 2 4 6 8 10 12 2 4 6 8 10 12 2 4 6 8 10 12 SATURDAY AM A P M 99 TIME OF DAY 13 SECURITY AND OVERRIDES OCCUPIED UNOCCUPIED e Honeywell CONT UNOC ENVIRONMENTAL e 3 HR OCCUPIED e CONTROL SET START TIME SELECT OCCUPIED DAY START TIME DATA CHANGE DISPLAY CLEAR START TIME UNOC COPY START TIME KEYS USED FOR THE SETPOINT ADJUST OVERRIDE Tt A ARIAS A ee ee iw an e 4 42 Aye te TE A AP aa ur DURS ar A agi eee 5
17. ator on the left side of the display will continue to point to 3 HR OCCUPIED during the of the 3 hours of adjusted setpoint R Press the key This will adjust the setpoint down by a preprogrammed Amount of Setpoint Adjust As an example Occupied Heat is set for 70 F and Amount of Setpoint Adjust is set for 5 After the key is pressed the Occupied Heat setpoint will be 70 5 or 65 F The thermostat will then control the space temperature to 65 F and the indicator on the left side of the display will continue to point to 3 HR OCCUPIED during the remainder of the 3 hours of adjusted setpoint NOTE Refer to the section titled TO SET THE AMOUNT OF SET POINT ADJUST for instructions on how to vary the setpoint adjust 15 SECURITY AND OVERRIDES OCCUPIED UNOCCUPIED e Z Honeyweli CONT UNOC e ENVIRONMENTAL 3 OCCUPIED e CONTROL SET START TIME SELECT OCCUPIED DAY START TIME UNOC COPY START TIME DATA CHANGE DISPLAY CIO CLEAR START TIME KEY USED FOR CONTINUOUS UNOCCUPIED OVERRIDE CONTINUOUS UNOCCUPIED This override is useful in situations where the build When in this mode the thermostat will control to ing will be vacant for an extended period of time the unoccupied setpoints with the indicator pointing such as temporary closings or long holidays to CONT UNOC A second press of the CONT Pressing the CONT UNOC key will place the T7300
18. e UNOCCUPIED HEAT COOL temperature setpoint 45 BATTERY ACCESS AND REPLACEMENT 1 Do not disconnect the power supply to the 4 battery replacement is required replace only system during battery replacement This would with a fresh Mallory MN1604 or equivalent 9 volt cause backup battery operation and battery drain alkaline battery HO ON EAT 5 Locate the battery holder on the back of the 2 Loosen Allen screw at each corner along the thermostat Snap a 9V alkaline battery into the bottom of thermostat connector holder observing polarity Slide the tter 3 Remove thermostat by swinging bottom away battery up to the battery connector until connected and upward from wallplate or subbase Do not 6 Reattach T7200 T7300 to wallplate or subbase detach cables and secure by tightening both Allen screws along bottom of thermostat Do not overtighten w E A ams amu MY HN EE ___ LL LLL A DTE STEP 1 KEEP THERMOSTAT S CABLES CONNECTED TO SUBBASE OR WALLPLATE STEP 2 SNAP BATTERY IN PLACE STEP 3 SLIDE BATTERY UP TO THE BATTERY CONNECTOR UNTIL CONNECTED IMPORTANT Do not connect battery until the thermo stat s cables are connected and the HVAC system is ready to be put into operation Battery power will be drained if system power is off for lengthy periods 47 GLOSSARY Backup Battery A battery located in the T7200 7300 ther
19. ed BATTERY ACCESS AND REPLACEMENT for instructions Temperature Display of A display of 2 dashes and a degree symbol indicates a temperature sensor failure See section titled TROUBLESHOOTING GUIDE for instructions MINIMUM OPERATION TIMES The T7200 and T7300 thermostats incorporate minimum operation times of 2 to 4 minutes These times are in effect after startup anytime power to the thermostat is removed and then reapplied or after heating or cooling goes either on or off These time delays will protect and extend the life of your heating and cooling equipment Due to these times the thermostats will not react instantaneously to setpoint changes 17200 77300 THERMOSTAT OPERATION PROGRAM SCHEDULE Each day of the week can be individually pro grammed with 2 Occupied and 2 Unoccupied periods to make maximum use of schedule variations Occupied operation is based on Occupied Heat and Occupied Cool setpoints Unoccupied operation is based on Unoccupied Heat and Unoccupied Cool setpoints Intelligent Recovery based on a setpoint ramping feature is used when Switching from Unoccupied operation to Occupied Operation This selects the optimum time to begin building warmup or cool down and can vary depending on space temperature deviation from setpoint The end result of Intelligent Recovery is the correct temperature at the occu pancy time This increases energy savings while also providing increased user
20. he COPY DAY key OCCUPIED Start Timesa UNOCCUPIED Start Timesb Sunday 7 00 5 00 Tuesday 7 00 a m 5 00 p m Wednesday 7 00 a m 9 00 p m Thursday 7 00 a m 5 00 p m Friday 7 00 a m 5 00 p m Saturday 7 00 a m 11 00 a m aTime at which you want your building to reach the OCCUPIED HEAT COOL temperature setpoints bTime at which you want your building to control to the UNOCCUPIED HEAT COOL temperature setpoints No time entered 41 PROGRAMMING THE THERMOSTAT SAMPLE SCHEDULE 2 this sample schedule the owner wants the building s temperature at the OCCUPIED HEAT COOL setpoints twice a day Monday through Friday and most of the day Saturday On Sunday the building will be unoccupied all day Monday through Friday s first OCCUPIED period will be from 9 00 a m to 2 00 p m The second OCCUPIED period will be from 4 00 p m to 1 00 a m the following morning Care must be taken when entering the second UNOCCUPIED START time for these days The second UNOCCUPIED START time will actually occur the following day because the thermostat changes days at midnight 12 00 a m Therefore the second UNOCCUPIED START time of 1 00 a m IS entered into the following day Monday will not have a 1 00 a m UNOCCUPIED START time Tuesday through Saturday will Saturday 5 OCCUPIED period 5 10 00 a m to 2 00 a m the following morning Saturday 5 UNOCCU PIED START time for
21. hermostat while battery backup was either weak or not installed Re program the thermostat Temperature sensor has failed or is out of range No heating cooling will be allowed to come on Contact your installer TEAM OF EXPERTS READY HELP YOU HONEYWELL has been recognized leader in energy management for nearly a century With that background we are uniquely qualified to Offer you the ultimate in total energy management Honeywell Building Controls division has developed a nationwide network Of authorized distributors specially trained to assist you with your energy management needs In addition thousands of independent contractors trained by Honeywell as Energy Management Specialists are ready to sell install and maintain our energy management products to your satisfaction Together we can find the answers Honeywell 63 4039 Honeywell 1987 Printed in U S A
22. mostat that provides electricity to maintain your time and temperature schedule during power loss If the battery is dead or runs down during a power failure the time and tempera ture schedule will be lost However the thermostat will control to a standard set of default setpoints when power 15 restored Default Setpoints Temperature settings of 68 F for heating and 78 F for cooling that are built into the T7200 17300 These assure that the system will remain operational even if the thermostat is not programmed or the time and temperature schedules are lost due to battery failure Economizer auxiliary control system which allows use of cool outdoor air for free cooling in place of electrical air conditioning equipment Based on the availability of outdoor air for free cooling the economizer control system will provide cool air increasing comfort without the extra expense of running mechanical cooling Only if outdoor air cannot or does not sufficiently cool the space will mechanical cooling be allowed to run Free Cooling See Economizer Intelligent Recovery A control method which adjusts the heating warmup and cooldown time periods based on outside weather conditions Commonly referred to as optimized start Mechanical Cooling Cooling that is provided by running compressors to extract heat from the conditioned space Minimum Operation Times Fixed minimum on off equipment r
23. nts 29 PROGRAMMING THE THERMOSTAT OCCUPIED e UNOCCUPIED e Honeywell CONT UNOC e ENVIRONMENTAL 3 OCCUPIED CONTROL SET START TIME DATA CHANGE SELECT OCCUPIED xs DAY START TIME E DISPLAY UNOC COPY START TIME START TIME KEYS USED FOR SETTING THE UNOCCUPIED COOL SETPOINT SET THE UNOCCUPIED COOL TEMPERATURE 1 Press the UNOC COOL key The indicator on the display will point to UNOCCUPIED and the word COOL will be displayed to indicate that the unoccu pied cool setpoint has been selected The display will also show the last entered or default unoccu pied cool setpoint 2 Press the or key until the display shows the desired temperature for the unoccupied period NOTES UNOCCUPIED COOL temperature is the mechanical cooling system setpoint for the period when your building will be unoccupied Minimum UNOCCUPIED COOL setting cannot be lower than the OCCUPIED COOL setpoint Lower limit of UNOCCUPIED COOL setting can be changed by adjusting the OCCUPIED COOL set point Upper limit of the UNOCCUPIED COOL setting is 95 35 31 PROGRAMMING THE THERMOSTAT OCCUPIED UNOCCUPIED e Honeywell CONT UNOC e ENVIRONMENTAL e 3 OCCUPIED CONTROL E A CE W AM NU M 9 9 9 w v v ns aa LP W m t v a 9 n POR W v a P A w 9 9 v 9 9 a 44 06 4 t v w w v
24. od when your building will be unoccupied Maximum setting cannot exceed the OCCUPIED HEAT setpoint Lower limit of the UNOCCUPIED HEAT setting is 45 7 C Upper limit of UNOCCUPIED HEAT setting can be changed by adjusting the OCCUPIED HEAT set point 27 PROGRAMMING THE THERMOSTAT OCCUPIED e UNOCCUPIED Honeywell CONT UNOC e ENVIRONMENTAL a 3 HR OCCUPIED e CONTROL SET START TIME SELECT OCCUPIED DAY START TIME UNOC START TIME DATA CHANGE DISPLAY CLEAR COPY START TIME KEYS USED FOR SETTING THE OCCUPIED COOL SETPOINT 3 uan as dioi ee MN E A SET THE OCCUPIED COOL TEMPERATURE 1 Press the OCCUPIED COOL key The indicator on the display will point to OCCUPIED and the word COOL will be displayed to indicate that the occupied cool setpoint has been selected The dis play will also show the last entered or default occupied cool setpoint 2 Press the or key until the display shows the desired temperature for the occupied period NOTES OCCUPIED COOL temperature is the mechanical cooling system setpoint for the period when your building will be occupied Minimum OCCUPIED COOL setting is 2 1 higher than the OCCUPIED HEAT setpoint Maximum OCCUPIED COOL setting cannot exceed the UNOCCUPIED COOL setpoint Limits of OCCUPIED COOL setting can be changed by adjusting the OCCUPIED HEAT and UNOCCU PIED COOL setpoi
25. the same reason as above actually occurs on Sunday Therefore the 2 00 a m UNOCCUPIED START time is entered into Sunday No other building occupancies are planned until Monday at 9 00 a m SO NO other START times need to be entered into the thermostat The COPY key may be used to Tuesday s program to Wednesday through Friday First First OCCUPIED UNOCCUPIED Start Time Start Time Sunday 2 00 9 00 2 00 9 00 1 00 Wednesday 9 00 a m 1 00 a m Thursday 9 00 a m 1 00 a m Friday 9 00 a m 1 00 a m Saturday 10 00 a m 1 00 a m aTime at which you want your building to reach the OCCUPIED HEAT COOL temperature setpoints bTime at which you want your building to control to the UNOCCUPIED HEAT COOL temperature setpoints No time entered Second OCCUPIED Start Time 4 00 p m 4 00 p m 4 00 p m 4 00 p m 4 00 p m Second UNOCCUPIED Start Time 2 00 p m 2 00 p m 2 00 p m 2 00 p m 43 PROGRAMMING THE THERMOSTAT FORM TO ENTER YOUR SCHEDULE OF OCCUPIED AND UNOCCUPIED START TIMES First First Second Second OCCUPIED UNOCCUPIED OCCUPIED UNOCCUPIED Start Time Start Time Start Time Start Time Sunday A Monday Tuesday Wednesday Thursday Friday Saturday aTime at which you want your building to reach the OCCUPIED HEAT COOL temperature setpoint bTime at which you want your building to control at th
26. ttings used when the room or building is scheduled to be unoccupied Unoccupied Start Time The selected time at which the air conditioned space is allowed to become cooler warmer to save energy NOTE can be temporarily overridden by using the S Hour Override key 7 Day Program Each day of the week days may be individually scheduled for occupied or unoccupied start times This allows maximum flexibility for building scheduling TROUBLESHOOTING GUIDE If Setpoint or start times cannot be changed BATT displayed on LCD Heating Cooling will not go on or off No heating cooling with no display of time or temperature Display of 4 dashes for time Display of 2 dashes and a degree symbol for temperature Then Keyboard is locked out Contact your installer See section titled SECURITY AND OVERRIDES for details Battery weak or not installed See section titled BATTERY ACCESS AND REPLACEMENT for details Wait for the minimum operation time delay of 2 to 4 minutes Recall temperature setpoints and subbase system and fan switches if available to verify correct settings Power to the thermostat has been lost If battery backup is installed program will be maintained If power to thermostat is out for more than 24 hours contact your installer There is no program stored in thermostat This will occur when power is first applied to the thermostat or when power was lost to the t
27. ty which can lock out programming to prevent tampering If the key board or display do not respond programming may be locked out contact your installer The override display and clock keys remain active and are not locked out by this feature See the section titled SECURITY AND OVERRIDES for details 19 PROGRAMMING THE THERMOSTAT AAA nn rp AS OCCUPIED e 4 UNOCCUPIED e 9 J H am EAT Honeywell CONT UNOC e ENVIRONMENTAL 2 3 HR OCCUPIED e CONTROL SET START TIME DATA CHANGE SELECT OCCUPIED ze DAY START TIME zx DISPLAY po tos wa ene a aap o 4 ones CEE DE BE a 4 amp 9 9 toro oes ene ae ee en s e oa awa se sena a a an one tos t wan ss UNOC CLEAR COPY START TIME 25 START TIME KEYS USED FOR SETTING THE CLOCK SET THE CLOCK 1 Press the CLOCK key 2 Press the or key until the display shows the correct time NOTES The and keys adjust the clock ahead and back respectively As you approach the correct time repeatedly tap the or key to adjust minutes one at a time 21 PROGRAMMING THE THERMOSTAT OCCUPIED UNOCCUPIED e Honeywell ENVIRONMENTAL e 3 HR OCCUPIED e CONTROL SET START TIME DATA CHANGE SELECT OCCUPIED OCCUPIED OCCUPIED 22 DAY STARTTIME FE HEAT COOL DISPLAY _ OCCUPIED a 498 eeu
28. un times used to prevent harmful short cycling turning on and off too often which can significantly reduce equipment life or cause permanent damage Occupied Temperature Setpoint The heating and cooling temperature settings used when the room or building is scheduled to be occupied Occupied Start Time The selected time at which the air conditioned space is to reach the comfort temperature for people occupying the room Setpoint The selected temperature at which the heating cooling system is to maintain the condi tioned space There are separate setpoints for heating and cooling in the OCCUPIED and UNOCCUPIED time periods 49 GLOSSAHY Single Zone Air Conditioning System packaged system that includes heating cooling and air distribution equipment It might also include an economizer see Economizer These systems are self contained often roof mounted and condition the air in a specific local area with its own thermo stat Larger buildings may have 2 or more areas or zones each with its own air conditioning system and thermostat Thermostat Cycle The time necessary for the heating or cooling equipment to come on operate and turn and remain off until the next time it 15 needed Cycle time is controlled by the thermostat For example mechanical cooling equipment might turn on and then go off 4 times in an hour Unoccupied Temperature Setpoint The heating and cooling temperature se
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