White Rodgers 1F85-0422 Thermostat User Manual
Contents
1. Carefully line the thermostat up with the base and snap into place Batteries 2 AA alkaline batteries are included with the thermostat To install the batteries pull the battery door as shown by the arrow and lift open Using the polarity indicated inside the bat tery door insert the batteries To close the battery door swing the door down while pulling in the direction of arrow Once fully down snap the door back into position To replace the batteries set system to OFF WIRING CONNECTIONS Figure 1 Battery door shown open AA Alkaline Batteries Thermostat can be powered by system AC power or Battery If Gm is displayed the thermostat is battery powered If mm is not displayed thermostat is system powered with optional battery back up When battery power remaining is approxi mately half the will be displayed When Change gt is displayed install fresh AA alkaline batteries immediately For best results replace all batteries with new premium brand alkaline batteries such as Duracell or Energizer We recom mend replacing batteries every 2 years If the home is going to be unoccupied for an extended period over 3 months and fir is displayed the batteries should be replaced before leaving When less than two months of battery life remain the setpoint temperature will offset by 10 degrees 10 degrees cooler in Heat mode 10 degrees warmer in Cool mode If offset occurs the normal2. and temperatures are set for all program periods on that day 10 Press SCHEDULE to the next day and repeat steps 2 through 9 11 When programming is complete and all of the times and temperatures match your desired heating schedule press RUN The thermostat will now run your program Enter the Cooling Program 1 Press SYSTEM button to select Cool in the system switch area indicating the active mode being pro grammed 2 Follow Enter Heating Program instructions for entering cooling times and temperatures Energy Saving ENERGY STAR Factory Pre Program The programmable thermostats are programmed with the energy saving settings shown in the table below for all days of the week If this program suits your needs simply set the thermostat clock and press the RUN button The table below shows the factory set heating and cooling schedule for all days of the week Wake Up Leave For Work Return Home Go To Bed Period 1 Period 2 Period 3 Period 4 Heating gt og AM 70 F 8 00AM 62 F 5 00PM 70 F 10 00PM 62 F Program Cooling i o o o Program 6 00AM 75 F 8 00AM 83 5 00PM 75 F 10 00 PM 78 F Planning Your Program Important The Heating and Cooling Program schedules below allow you to pencil in your own program times and temperatures The thermostat comes configured for 7 day programming and can also be configured for 5 1 1 day programming
3. default setting is medium ME For Emer Aux the default setting is fast cycle FA To change cycle rate press the or key Cycle rate differentials for different settings are Fast Medium Slow MODE FA ME SL Heat SS1 MS2 0 4 F 06F 1 7 F Cool SS1 MS2 0 9 F 1 2 F 1 7 F Heat Pump HP1 HP2 0 9 F 1 2 F 1 7 F Emer HP1 HP2 0 6 F 12 F 8 9 10 11 12 Select Compressor Lockout CL OFF or ON Select ing CL ON will cause the thermostat to wait 5 minutes between cooling cycles This is intended to help protect the compressor from short cycling Some newer com pressors already have a time delay built in and do not require this feature Your compressor manufacturer can tell you if the lockout feature is already present in their system When the thermostat compressor time delay oc curs it will flash the setpoint for up to five minutes System Mode Configuration This thermostat is configured for Heat and Cool SYSTEM switch with Cool Off Heat default It can also be configured for Heat and Cool with Auto changeover Heat Auto Cool Off Heat only with fan Off Heat Heat only without fan Auto only Auto Off and Cool only Cool Off Select Backlight Display The display backlight im proves display contrast in low lighting conditions When the C terminal is powered selecting backlight CdL ON will keep the light on continuously Select backlight OFF will turn the light on momen
4. menu will be skipped 16 amp 17 Select Automatic Schedule With just one touch of the AUTO SCHEDULE button this feature allows you to program a desired comfort temperature into all the program periods along with a 6 set back for night periods of both Heat and Cool programs Factory default is On for both When Heat AS On and Cool AS On are activated while in Heat or Cool mode select desired setpoint temperature and press AUTO SCHEDULE This value will be copied into all the morning day and evening program periods The night program periods will have a 6 F set back 18 amp 19 Select Fast Second Stage ON or OFF Heat pump or Multi stage only in the run mode with the fast Heat feature enabled FA Heat On if the Heat setpoint temperature is manually raised by 3 F 2 C or more above the actual temperature using the second stage will energize immediately With FA OFF second stage will not energize until the setpoint temperature is 1 F or more above actual temperature for more than ten minutes The Fast Cool feature FA Cool provides the same controls when the setpoint temperature is lowered 7 INSTALLER CONFIGURATION MENU 20 Select Daylight Saving Time Calculation This feature will allow the thermostat to calculate the DST automati cally and apply it to the Real Time Clock display Default On Use or buttons to select the feature OFF 21 Select Filter Replacement Reminder and Set Run Time Sel
5. service person can instruct you on how to test the Heat Cool system for correct operation If the system operates correctly replace the thermostat Thermostat Setting amp Thermostat Thermometer Disagree Thermostat thermometer setting requires adjustment The thermometer can be adjusted 4 degrees See Temperature Display Adjustment in the Configuration Menu section Furnace Air Conditioner Cycles Too Fast or Too Slow narrow or wide temperature swing The location of the thermostat and or the size of the Heating System may be influencing the cycle rate Digital thermostats provide precise control and cycle faster than older mechanical models The system turns on and off more frequently but runs for a shorter time so there is no increase in energy use If you would like an increased cycle time choose SL for slow cycle in the Configuration menu step 6 heat 7 cool or 8 heat pump If an acceptable cycle rate is not achieved contact a local HVAC service person for additional suggestions 11 HOMEOWNER HELP LINE 1 800 284 2925 White Rodgers is a division White K of Emerson Electric Co Rodgers S The Emerson logo is a trademark and service mark EM ERSO N of Emerson Electric Co www white rodgers com
6. setting for two hours minimum or until the next programmed time To cancel the temporary setting at any time and return to the program press RUN If the SYSTEM button is pressed to select AUTO the thermostat will change to Heat or Cool whichever ran last If it switches to heat but you want cool or it changes to cool but you want heat press both and buttons simultaneously to change to the other mode 5 Additional presses of TIME will advance the display to show the year month and date of month Press the or button to change the display to the correct set ting for each 6 Press RUN to exit the TIME mode PROGRAMMING Enter the Heating Program 1 Press SYSTEM button to select Heat in the system switch area indicating the active mode being pro grammed 2 Press the MENU button and then press SCHEDULE 3 The top of the display will show the day s being pro grammed The time and temperature flashing are also displayed 1 will also be displayed to indicate the pe riod 4 Press or button to change the temperature to your selected temperature for the 1st heating period 5 Press TIME button time will flash 6 Press or button to adjust the start time for the 1st period 7 The time will change in 15 minute increments 8 After you have set the time and the temperature for the period to begin press SCHEDULE to advance to the next program period 9 Repeat steps 2 through 8 until all of the program times
7. temperature and turn off The room temperature will actually be higher than the thermostat displays but the reduction in humidity will allow comfort at the slightly higher temperature To turn this feature on in the Cool mode press Cool Savings The display will show Save next to the setpoint temperature When Cool Savings is making ad justments to the room temperature display Save will be flashing and the displayed room temperature may vary within the adjustment range you selected If Save is not displayed and this feature is OFF no change will occur when the cooling system is continu ously running during periods of high demand Energy Management Recovery Energy Management Recovery E On enables the thermostat to start heating or cooling early to make the building temperature reach the program setpoint at the time you specify Heating will start 5 minutes early for every 1 of temperature required to reach setpoint Example E On is selected and your heating is pro grammed to 65 at night and 70 at 7 AM If the build ing temperature is 65 the difference between 65 and 70 is 5 Allowing 5 minutes per degree the thermostat setpoint will change to 70 at 6 35 AM Cooling allows more time per degree because it takes longer to reach set temperature 5 6 amp 7 Cycle Rate Selection The factory default setting for Heat and Cool modes SS1 MS2 is medium cycle ME For Heat Pump HP1 HP2 the
8. STALLER CONFIGURATION MENU MENU PRESS DISPLAYED Press or to REF HP SS BUTTON FACTORY DEFAULT select from listed options COMMENTS 1 l1 1 MENU MS 2 HP 1 HP 2 SS 1 Selects Multi Stage MS 2 No Heat Pump Heat Pump 1 HP 1 1 compressor or Single Stage SS 1 Heat Pump 2 HP 2 2 compressor or 2 speed compressor 2 2 2 MENU GAS for SS or MS ELE GAS setting furnace controls the blower ELE for HP ELE setting thermostat controls the blower 3 3 3 MENU CS 0 1 2 3 4 5 6 Selects Cool Savings Disabled Value 1 low to 6 high Value 0 Disables Feature 4 4 4 MENU E On OFF Selecis Energy Management Recovery EMR On or OFF 5 5 MENU CR Heat ME SL FA Adjustable Anticipation Selects heating cycle rate for MS or SS 6 5 MENU CR Heat Pump SL FA Adjustable Anticipation Heat Pump only ME when heat pump selected in 1 7 6 6 MENU CR Cool ME SL FA Adjustable Anticipation Selects the cycle rate for or cooling only when MS 2 or SS 1 is selected in CR Emer FA SL item 1 or Selects the cycle rate for Emergency mode and Auxiliary stage if Heat Pump is selected in item 1 8 7 7 MENU CL OFF CL On Compressor Lockout Time 9 8 8 MENU Heat Auto Heat Cool Off System Mode Configuration Cool Off Heat Off with Fan icon with Automatic Changeover capability Heat Off without Fan icon Cool Off Auto Off 10 9 9 MENU dL On dL OFF Sele
9. White y Rodgers Save these instructions for future use FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS Blue 4 Universal Thermostat with Automatic Heat Cool Changeover Option Single Stage Multi Stage or Heat Pump Installation and Operating Instructions for Model Model Programming Choices CAREFULLY BEFORE INSTALLING OR OPERATING 1F85 0477 7 Day 5 1 1 Day THIS CONTROL COULD CAUSE PERSONAL INJURY AND OR PROPERTY DAMAGE APPLICATIONS THERMOSTAT APPLICATION GUIDE D 1F85 0477 Thermostat escription Heat Pump No Aux or Emergency Heat Yes Heat Pump with Aux or Emergency Heat Yes Systems with up to 2 Stages Heat 2 Stages Cool Yes Heat Only Systems with optional fan switch Yes Millivolt Heat Only Systems Floor or Wall Furnaces Yes OO Cool Only Systems Yes n Gas or Oil Heat Yes Electric Furnace Yes i EMERSON Hydronic Hot Water Zone Heat 2 Wires Yes Hydronic Hot Water Zone Heat 3 Wires Yes SPECIFICATIONS Electrical Rating Battery Power 0 0 00ee0eennna renna mV to 30 VAC NEC Class II 50 60 Hz or DC Input 210 TS pe 20 to 30 VAC Terminal A ska aan 1 5 A per terminal 2 5A maximum all terminals combined Setpoint Rah Gekregen es 45 to 90 F 7 to 32 C Differential Single Stage 0 20000ernr Differential Heat Pump Heat 0 6 F Cool 1 2 F adjustable Heat 1 2 F Cool 1 2 F adjustab
10. ccurs If the heat works intermittently contact the furnace manufacturer or local HVAC service person for assistance 3 Heating system requires service or Diagnostic Set SYSTEM Switch to HEAT and raise the thermostat requires replacement setpoint above room temperature Within a few seconds the thermostat should make a soft click sound This sound usually indicates the thermostat is operating properly If the thermostat does not click try the reset operation listed above If the thermostat does not click after being reset contact your heating and cooling service person or place of purchase for a replacement If the thermostat clicks contact the furnace manufacturer or a HVAC service person to verify the heating is operating correctly No Cool 1 Cooling system requires service or Same as diagnostic for No Heat condition except set the Heat Cool or Fan Runs Constantly gt OO thermostat requires replacement Possible short in wiring Possible short in thermostat Possible short in heat cool fan system FAN Switch set to Fan ON thermostat to COOL and lower the setpoint below the room temperature There may be up to a five minute delay before the thermostat clicks in Cooling Check each wire connection to verify they are not shorted or touching together No bare wire should stick out from under terminal block Try resetting the thermostat as described above If the condition persists the manufacturer of your system or
11. cts Display Light On or OFF 11 10 10 MENU 0 1 HI 2 HI 3 HI 4 HI Adjustable Ambient Temperature Display current temperature 1LO 2LO 3LO 4LO 12 11 11 MENU oF GC Selects Fahrenheit Celsius Temperature Display 13 12 12 MENU L Heat L 62 to L 89 Selects Limited HEAT Range 90 14 13 13 MENU L Cool L 46 to L 82 Selects Limited COOL Range 45 15 14 14 MENU P7 P3 Defaults for 7 day programming P7 or 5 1 1 day programming P3 is available 16 15 15 MENU Heat AS On OFF Automatic Schedule for heat mode 17 16 16 MENU Cool AS On OFF Automatic Schedule for cool mode 18 17 MENU Heat FA On OFF Fast Heat option may be disabled by selecting OFF NA to SS config 19 18 MENU Cool FA On OFF Fast Cool option may be disabled by selecting OFF NA to SS config NA to Heat only system 20 19 17 MENU dS On OFF Selects Automatic daylight Savings Time option On or OFF 21 20 18 MENU Change Filter OFF On Selects Filter Change out Indicator On or OFF MENU Change Filter 200 h 25 1975 h Change Filter time in 25 hour increments This menu only appears if On is selected in above 22 21 19 MENU Cool On o Heat On b Selects operation of the reversing valve terminal O B output as an O or B terminal 23 22 20 RUN Returns to Normal Operation INSTALLER CONFIGURATION MENU 1 2 3 4 This control can be configured for MS 2 Multi Stage S
12. ect the Change Filter reminder On or OFF If selected On press MENU to select the time period from 25 to 1975 hours in 25 hours increments In a typical system 200 hours default of run time is approximately 30 days After the selected time of blower operation the thermostat will display Change Filter as a reminder to change or clean your air filter When Change Filter is displayed press MENU or RUN but ton to clear the display and restart the time to the next filter change OPERATING YOUR THERMOSTAT Choose the Fan Setting Auto or On Press the FAN button to Auto or On Fan Auto is the most commonly selected setting and runs the fan only when the heating or cooling system is on Fan On runs the fan continuously for increased air circulation or to allow additional air cleaning Choose the System Setting Heat Off Cool Auto Emer Press the SYSTEM button to select Heat Thermostat controls only the heating system Off Heating and Cooling systems are off Cool Thermostat controls only the cooling system Auto Auto Changeover is used in areas where both heating and cooling may be required on the same day AUTO allows the thermostat to automatically select heating or cooling depending on the indoor temperature and the selected heat and cool temperatures When using AUTO be sure to set the Cooling temperatures more than 1 Fahrenheit higher than the heating temperature Em Heat Pump models Thermosta
13. ermostat is reset installer configuration menu settings and programming will reset to factory settings function correctly contact your heating cooling service person or place of purchase Symptom If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation you can reset the thermostat by removing the wires from terminals R and C do not short them together and removing batteries for 2 minutes After resetting the thermostat replace the wires and batteries If the thermostat has been reset and still does not Note Be sure to review the installer configuration menu Possible Cause settings To reset the programming clock and configuration settings press and and the FAN button simultaneously The thermostat should go blank and then all segments will be displayed momentarily Correction Action No Heat No Cool No Fan common problems i 2 3 Blown fuse or tripped circuit breaker Furnace power switch to OFF Furnace blower compartment door or panel loose or not properly installed Replace fuse or reset breaker Turn switch to ON Replace door panel in proper position to engage safety interlock or door switch 4 Loose connection to thermostat or Tighten connections system No Heat 1 Pilot light not lit Re light pilot 2 Furnace Lock Out Condition Heat Many furnaces have safety devices that shut down when may also be intermittent a lock out condition o
14. gures 4 6 Refer to equipment manufacturers instructions for specific system wiring information You can configure the thermostat for use with the following heat pump systems Heat Pump 1 et Fault Indicator or System Malfunction Switch Heat Pump 2 HP2 System Malfunction Module Energized in Cool Mode B Energized in Heat Off Emergency Mode HEAT PUMP TYPE 1 HP 1 Single stage compressor system gas or electric backup HEAT PUMP TYPE 2 HP 2 Multi stage compressor or two compressor system with gas or electric backup proper thermostat configuration Figure 3 Heat Pump Systems Heat and Cool Mode Output Heat Mode 2nd Stage Emergency Mode 2nd Stage Blower Circulator Fan Energized Emergency on Call for 1st Stage Compressor Single Stage and Multi Stage Connections Refer to equipment manufacturers instructions for specific system wiring information This thermostat is designed to operate a single transformer or two transformer system 2nd Stage Com pressor Mode 1st Stage Heat or Cool Set Elect Gas Option for Emergency Heat Mode 3rd Stage Emergency Mode 2nd Jumper After wiring see INSTALLER CONFIGURATION section for NOTE If your system does not provide an E connection jumper W2 to W E to use the Auxiliary Heat in the Emergency Mode Common connection required f
15. l system shall conform to Class Il circuits per the NEC code Remove Old Thermostat A standard heat cool thermostat consists of three basic parts 1 The cover which may be either a snap on or hinge type 2 The base which is removed by loosening all captive screws 3 The switching subbase which is removed by unscrewing the mounting screws that hold it on the wall or adapter plate Before removing wires from old thermostat label each wire with the terminal designation from which it was attached Disconnect the wires from the old thermostat one at a time Do not let wires fall back into the wall Installing New Thermostat 1 Pull the thermostat body off the thermostat base Forcing or prying on the thermostat will cause damage to the unit 2 Place base over hole in wall and mark mounting hole locations on wall using base as a template 3 Move base out of the way Drill mounting holes If you are using existing mounting holes and the holes drilled are too large and do not allow you to tighten base snug ly use plastic screw anchors to secure the base 4 Fasten base snugly to wall using mounting holes shown in Figure 2 and two mounting screws Leveling is for appearance only and will not affect thermostat operation 5 Connect wires to terminal block on base 6 Push excess wire into wall and plug hole with a fire re sistant material such as fiberglass insulation to prevent drafts from affecting thermostat operation 7
16. le Operating AMDbIeNt ec eeeeeeeseeeeeeeeeseeeeeeeeneeeenees 32 to 105 F 0 to 41 C Operating Humidity 20 0 0 eee sseeeeseeeseeteseeeneetenees 90 non condensing max Shipping Temperature Range 40 to 150 F 20 to 65 C Dimensions Thermostat ccceesseeeeeseeeeesneeeeneees 3 7 8 H x 5 1 8 W x 1 1 4 D A CAUTION To prevent electrical shock and or equipment damage disconnect electric power to system at main fuse or circuit breaker box until installation is complete Index Page Installation 2 Wiring Connections Wiring Diagrams Thermostat Quick Reference Installer Configuration Menu Operating Your Thermostat CO OD oO WP Programming Troubleshooting ATTENTION MERCURY NOTICE This product does not contain mercury However this product may replace a product that contains mercury Mercury and products containing mercury must not be discarded in household trash Do not touch any spilled mercury Wearing non absorbent gloves clean up any spilled mercury and place in a sealed container For proper disposal of a product containing mercury or a sealed container Refer to www white rodgers com for location to send product containing mercury s EMERSON Clima te Technologie PART NO 37 7050A www white rodgers com 0933 INSTALLATION A WARNING Thermostat installation and all components of the contro
17. onstantly Heat if mon Multi in Heat Off Heat Mode configured Stage 2 Emergency 2nd Stage for Electric MS2 Mode Heat e NEUTRAL 120VAC 120VAC e COOLING _ HOT CLASS II HEATING TRANSFORMER CLASS II TRANSFORMER Figure 6 3 Wire SPDT Heat Only Zone Valve Wiring Jumper Single Stage 24 Volt Constant 3 wire tae Blower Circulator Hot ar 24 Volt Zone Valve 6 Fan Energized Heat se Com application 5 og mon 120VAC CLASS II TRANSFORMER THERMOSTAT QUICK REFERENCE Home Screen Description Figure 7 Home Screen Display Battery Level Indicator Indicating the current power level of the 2 AA batteries Full power remaining E gt Half power remaining Change gt The batteries should be replaced at this time with 2 new premium brand AA Alkaline batteries See page 2 for more details wt ws Programming and Configuration Items System On indicates when heating or cooling stage is energized System On 2 indicates when a second stage is energized The word Hold is displayed when the thermostat is in the Hold mode Temp Hold is displayed when the thermostat is in a Temporary Hold mode Displays Change Filter when the system has run for the programmed filter time period as a reminder to change or clean your filter Displays Set for setpoint when in Run Program mode Displays System Mode Heat Em Auto Cool Off
18. or Time in Menu Mode Displays Fan Mode On Auto in Menu Mode Displays Set Schedule Schedule or Menu Displays Save when Cool Savings is working Displays Heat Pump when system is configured as Heat Pump thermostat Displays Hold in programmable mode When not in Hold mode displays Run in program run mode Initially displays Auto Sched If Auto Schedule had been used or disabled then it displays Cool Savings when in the Cool Mode if Cool Savings has been ena bled in the menu 9 Room Setting Temperature Temperature gM ca n Oe Ve _ Fan Indicator System Indicator Figure 8 Programming amp Configuration Items Change Hi Filter 3 Heat Pump System On 2 q Mo Tu W wi fp Date Set TE LONI nod FAY o Month Call For Service Save O Year haosa Coe a SYSTEM FAN l moa Em Auta On Auto Cool OffTime Set Schedule Menu Call For Service indicates a fault in the heating cooling system it does not indicate a fault in the thermostat INSTALLER CONFIGURATION MENU With thermostat in Heat Cool or Auto in normal operation press the Menu button for at least 5 seconds The display will show item 1 in the table below Press Menu button to advance to the next menu item Press or to change an item option IN
19. or fault or malfunction indication 120VAC CLASS II TRANSFORMER SINGLE STAGE SS 1 gas oil or electric MULTI STAGE MS 2 gas oil or electric After wiring see INSTALLER CONFIGURATION section for You can configure the thermostat for use with the following fossil fuel systems proper thermostat configuration Figure 4 Single Stage or Multi Stage System No Heat Pump with Single Transformer System Jumper Single Fault Indicator or System Malfunction Switch in System Malfunction Module Emergency o Energized Constantly in Cool Mode B Energized Constantly Heat Off Cool Mode 1st Stage Heat Mode 1st Stage Heat Mode Blower Circulator Fan Energized on Call for Cool and Heat if configured for Electric No Output 2nd Stage Optional 24 Volt Com mon Common connection required for fault or malfunction indication 120VAC CLASS II TRANSFORMER WIRING DIAGRAMS Figure 5 Single Stage or Multi Stage System No Heat Pump with Two Transformers Remove Jumper Wire Jumper between RH 8 RC System Indicator NOT Energized Constantly in Cool Mode B Cool Mode 1st Stage Blower Circulator Fan Energized on Call for Cool and 24 Volt Hot Cool Optional 24 Volt Com A USED Energized C
20. see configuration section Factory settings are listed on Monday through Friday Satur day and Sunday If you are re programming a 7 day schedule pencil in all lines with the times and temperatures you want If you are re programming a 5 1 1 fill in your own times and temperatures directly below the factory times and tempera tures Keep the following guidelines in mind when planning your program e In Heating lower temperatures will save energy e In Cooling higher temperatures will save energy e If you plan on using Auto Changeover do not program the heating higher than the cooling PROGRAMMING 10 Worksheet for Re Programming 7 Day and 5 1 1 Day Program Heating Wake Up Leave For Work Return Home Go To Bed Program Period 1 Period 2 Period 3 Period 4 6 00 AM 70 F 8 00 AM 62 F 5 00 PM 70 F 10 00 PM 62 F MON TUE WED THU FRI 6 00 AM 70 F 8 00 AM 62 F 5 00 PM 70 F 10 00 PM 62 F SAT 6 00 AM 70 F 8 00 AM 62 F 5 00 PM 70 F 10 00 PM 62 F SUN Cooling Wake Up Leave For Work Return Home Go To Bed Program Period 1 Period 2 Period 3 Period 4 6 00 AM 75 F 8 00 AM 83 F 5 00 PM 75 F 10 00 PM 78 F MON TUE WED THU FRI 6 00 AM 15 F 8 00 AM 83 F 5 00 PM 75 F 10 00 PM 78 F SAT S N 6 00 AM 75 F 8 00 AM 83 F 5 00 PM 75 F 10 00 PM 78 F TROUBLESHOOTING Reset Operation Note When th
21. setpoint can be manually reset with or CY Another offset will occur within two days if batter ies are not replaced Figure 2 Thermostat base and rear view of thermostat Mounting Mounting Hole Hole Place Level gt ir a Place Level across j across Mounting Tabs Mounting Tabs for appearance only for appearance only Refer to equipment manufacturers instructions for specific system wiring information After wiring see CONFIGURATION section for proper thermostat configuration Refer to figure 3 through 6 for wiring diagram specifications TERMINAL DESIGNATION DESCRIPTIONS Terminal Designation Description Listar Heat pump malfunction indicator for systems with malfunction connection O T Changeover valve for heat pump energized constantly in cooling Bassein Changeover valve for heat pump energized constantly in heating Varena Compressor Relay N Qa ccsreseirs 2nd Stage Compressor Terminal Designation Description Heat Relay Emergency Heat Relay Stage 1 2nd Stage Heat 3rd Stage Heat in HP 2 Fan Relay Power for Heating Power for Cooling Common wire from secondary side of cooling system transformer or heat only system transformer Bassi 3 Wire Zone Valve Energized when no call for Heat WIRING DIAGRAMS Heat Pump Connections If you do not have a heat pump system refer to fi
22. t controls only backup heating system PROGRAMMING Set Current Time and Date 1 Press MENU and then TIME button once The display will show the hour only 2 Press and hold either the or button until you reach the correct hour and AM PM designation AM begins at midnight PM begins at noon 3 Press TIME once again The display window will show the minutes only 4 Press and hold either the or button until you reach the correct minutes 22 Select Reversing Valve Output The O B option is factory set at O position This will accommodate the majority of heat pump applications which require the changeover relay to be energized in COOL If the thermostat you are replacing or the heat pump being installed with this thermostat requires a B terminal to energize the changeover relay in HEAT the O B option should be set at B position IMPORTANT Manual Operation Bypassing the Program Programmable Thermostats Press or and then the HOLD button and adjust the temperature wherever you like This will override the program The HOLD feature bypasses the program and allows you to adjust the temperature manually as needed Whatever temperature you set in HOLD will be maintained 24 hours a day until you manually change the temperature or press RUN to cancel HOLD and resume the programmed schedule Program Override Temporary Override Press or buttons to adjust the temperature This will override the temperature
23. tarily after any key is pressed When the C terminal is not powered the light will be on momentarily after any key is pressed no matter whether the backlight is selected ON or OFF Select Temperature Display Adjustment 4 LO to 4 HI Allows you to adjust the room temperature display up to 4 higher or lower Your thermostat was accurately cali brated at the factory but you have the option to change the display temperature to match your previous thermo stat The current or adjusted room temperature will be displayed Select F or C Readout Changes the display readout to Celsius or Fahrenheit as required 13 amp 14 Temperature Limit Range Heat or Cool This 15 selection sets the maximum HEAT 13 or minimum COOL 14 temperature for the setpoint range Select the limit temperature using the or keys In the Run mode the setpoint temperature will not adjust past the limit temperature selected When the limit temperature is reached trying to raise or lower the setpoint past the limit will cause L to be displayed in the times digits for about 6 seconds This feature not available on earlier models Program Options Configured for 7 day or 5 1 1 day pro gramming or non programmable mode The default set ting is P7 indicating 7 day programming The programs per week can be changed to P3 by pressing the or keys A selection of 0 Days for non programmable will eliminate the need for EMR and that step in the
24. ystem no heat pump HP 1 Heat Pump with one stage of compressor HP 2 Heat Pump with two stage compressor or two compressor system Gas or Electric backup SS 1 Single Stage System GAS or Electric ELE fan operation If the heating sys tem requires the thermostat to energize the fan select ELE Select GAS if the heating system energizes the fan on a Call for heat Select Cool Savings value Selects the amount of adjustment for the Cool Savings feature in Cool mode with 1 1 being the least amount of adjustment and 6 6 being the most amount of adjustment Default value is 0 which disables this feature Selecting a value greater than 0 will display Cool Savings on the screen and enable the key for Cool Savings feature Cool Sav ings is an optional energy saving feature that can reduce your cooling costs It is based on the principal that lower indoor humidity makes a slightly higher temperature feel more comfortable Cool Savings operates during periods of high demand which normally occur on the hottest summer days when a cooling system may run for hours to reach the thermostat setting Long cooling run times also lower the indoor humidity Cool Savings very slowly adjusts the setpoint temperature to make the setpoint closer to the displayed room temperature to a maximum of the number of degrees you select Adjust ing the setpoint temperature over a long cooling run time allows the system to reach your set
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