White Rodgers 1F86EZ-0251 Thermostat User Manual
Contents
1. 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 switch must be moved to the B position 2 Move fan switch to ON position The blower should begin to operate 3 Move fan switch to AUTO position The blower should stop immediately Cooling System Move SYSTEM switch to COOL position 2 Press to adjust thermostat setting below room temperature The blower should come on immediately on high speed followed by cold air circulation However if the setpoint temperature is flashing the compressor lockout feature is operating see Configuration menu item 5 3 Press to adjust temperature setting above room temperature The cooling system should stop operating Select Configuration Options Installation The configuration menu allows you to set certain thermostat operating characteristics to your system or personal requirements Enter Menu SYSTEM D COOL OFF HEAT Press and hold for 3 seconds Menu Navigation JN for next Press pome to go back o Press way Configuration Menu Menu Screen Displayed Press or Number Factory Default to select options 01 SS HP Select Single Stage2. ON AUTO The Display Indicates desired temperature This is blank when system switch is in the OFF position Desired temperature is displayed flashing if the thermostat is in lockout mode Save indicates the Cool Savings feature is enabled in the configuration menu Save flashing indicates Cool Savings feature is operating and saving energy Save will also flash for 3 seconds after changing the temperature to indicate that a pre set can be saved Indicates system mode Heat icon is displayed when the SYSTEM switch is in the HEAT position Heat icon is displayed flashing when thermostat is calling for heat Cool icon is displayed when the SYSTEM switch is in the COOL position Cool icon is displayed flashing if the thermostat is calling for cool Displays current temperature Batteries Two AA alkaline batteries are included with your thermostat Prior to use open the battery door and remove the battery tag We recommend replacing batteries every 2 years for best results use new premium brand alkaline batteries such as Duracell or Energizer When battery power remaining is approximately half the G1 will be displayed Change indicates batteries are low T and should be replaced BATTERY LOCATION AA Alkaline Batteries SLEEP FAN OD ON AUTO my BE ON n Home Sleep Away indicates the e
3. Position the base on the wall again and screw the mounting screws into the wall anchors 6 Connect each wire coming from the wall to its corresponding terminal as shown in Fig 2 thru 4 on page 7 S A Y Y KX Ren Hea by OW SS OX O B Wire Terminal Block Wires will not be connected to all terminals of the terminal block wy L N Y Check Thermostat Operation Heating System 1 Move SYSTEM switch to HEAT position If the heating system has a standing pilot be sure to light it 2 Press to adjust thermostat setting to 1 above room temperature The heating system should begin to operate 3 Press to adjust temperature setting below room temperature The heating system should stop operating Fan Operation If your system does not have a G terminal connection skip to Heating System 1 Move SYSTEM switch to OFF position Battery Door Mounting Hole Mounting Hole D B lO D Lf E g H g E oO O gt Fe Gas Elec Switch Opening for wires Figure 1 Thermostat Base Set Switches Gas Elec Switch If your system is a heat pump the GAS ELEC Switch must be set to ELEC see Fig 1 If your system is a single stage the switch must be set to GAS The switch setting must agree with the system configuration selected in the configuration menu O B Terminal Switch Selection The O B switch on this thermostat is factory set to the
4. Away Temperature Change Home Sleep and Away Pre Sets Temperature Pre sets You can set your Home Sleep Away temperatures for use 1 Move SYSTEM switch to HEAT position when you get home go to sleep or leave home Then just Using the or button set the desired temperature press the button you want and go 3 Press and hold the Home Sleep or Away button for 3 N Favorite Temperatures are set at the factory as indicated in seconds The display will go blank except for the battery the following table You can use pre sets or change to different icon and heat cool icon and back on again indicating that temperature pre sets the thermostat has saved your pre set 4 Repeat the process for the remaining Pre sets to be Factory Pre set Temperatures y p changed HEATING COOLING 5 Move SYSTEM switch to COOL to Pre set Temperatures N 70 F 75 F for cooling sey 2 F 78 F 9 i Use Home Sleep and Away Temperature Pre Sets D 62 F 83 F 1 Press the Home Sleep or Away button The display will show the icon for the button pressed and display the Your Pre set Temperatures temperature setting 2 The thermostat will maintain the selected pre set HEATING COOLING rS temperature until you change it by pressing the or M button or selecting another Pre set Temperature emmy Sleep Timer Option The sleep timer will automatically change the thermostat from the Sleep to Home tempera
5. pressed within fifteen minutes the thermostat will revert to normal operation Select Cycle Rate The cycle rate can be adjusted to keep the heat or cool on longer or shorter to match the temperature response of the home with your heating and cooling system MODE Fast Medium Slow FA ME SL SS Heat 0 6 F 0 8 F 1 2 F SS Cool 1 2 F 1 79F HP Heat amp Cool 1 2 F 1 79F Troubleshooting Reset Operation If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation you may need to reset the thermostat To reset the System Switch must be in Cool or Heat Simultaneously press and buttons Symptom Possible Cause for approximately 10 seconds until the display goes blank If the thermostat has power has been reset and still does not function correctly contact your heating cooling service person or place of purchase Corrective Action No Heat No Cool No Fan common problems ali 2 Blown fuse or tripped circuit breaker Furnace power switch to OFF 3 Furnace blower compartment door or panel loose or not properly installed 1 Replace fuse or reset breaker 2 Turn switch to ON 3 Replace door panel in proper position to engage safety interlock or door switch No Heat No Cool System Switch not set to Heat Loose connection to thermostat or system Heating System requires service or thermostat requires replacement Sys
6. to www white rodgers com for location to send the product containing mercury Specifications Electrical Rating Battery POWT sc siscttesstetieeeds testes teen steveeen ee Input Hardwite ecceceseeeeeeneeeeseeeeeeseeenesneeenees WermlMal LOAG s acccsececcsadzecesssceanecoeteadgarstesaceetectrezysereuty Setpoint Ranges sssi sist oneal sires decsvacwesecetues Gah iiia Differential Single Stage Differential Heat Pump Operating AMDIeNt cee eeeeeeeeeeeeeeeeeeeeeteeeeeeetaes Operating HUMICItY eee eee eee eeeeeeeeeeeeetteeeeeetaee PRANGC sitesscsatdiceeeteteastats Dimensions Thermostat Shipping Temperature White Rodgers is a division of Emerson Electric Co The Emerson logo is a trademark and service mark of Emerson Electric Co mV to 30 VAC 50 60 Hz or DC 20 to 30 VAC 1 0 A per terminal 1 5A maximum all terminals combined 45 to 90 F 7 to 32 C Heat 0 6 F Cool 1 2 F adjustable Heat 1 2 F Cool 1 2 F adjustable 32 to 105 F 0 to 41 C 90 non condensing max 40 to 150 F 40 to 65 C 3 3 4 H x 4 3 4 W x 1 1 2 D Homeowner Help Line 1 800 284 2925 White y Rodgers amp EMERSON Climate Te www white rodgers com www emersonclimate com nnolo
7. ESSORY Heating Compressor Heat l TE RELAY N O Transformer The accessory relay scheme Limit or CONTACT Class II is required when safety Qurrent Limited circuits exist in both systems COMMON N TWO COMMONS MUST Limit or BE JUMPERED TOGETHER Safety Limit or Safety Switches HOT Switches COMMON 24 VAC il 120 VAC NEUTRAL Changeover Relay is energized in COOL when O B switch is in the O position Changeover Relay is energized in HEAT when O B switch is in the B position Heat Pump Transformer Class II Current Limited Technical Data THERMOSTAT APPLICATION GUIDE ATTENTION Thermostat Maximum This product does not contain mercury However this product Configuration Hres Stages may replace a unit which contains mercury Options pprcanons Heat Cool Do not open mercury cells If a cell becomes damaged do Single Stage 1 Gas Oil Electric Heat not touch any spilled mercury Wearing nonabsorbent gloves No Heat Pump Only Cool Only or Heat 14 take up the spilled mercury and place into a container which SS Cool Systems can be sealed If a cell becomes damaged the unit should be discarded Heat Pump 1 f Single Stage Single Stage Compres Mercury must not be discarded in household trash When the Compressor Heat S Heat Pump Systems 1 1 unit this product is replacing is to be discarded place in a Pump HP with no Aux Heat suitable container Refer
8. SS or Heat Pump HP for a single compressor 02 Sleep On Select Sleep Timer On or OFF OFF If selected OFF skip to menu screen 04 03 h 1 to 12 Select 1 to 12 hours for Sleep Timer On 8 See Sleep Timer section on page 3 04 CS On Select Cool Savings Feature On or OFF OFF If selected OFF skip to menu screen 06 05 CS 1to6 Select 1 to 6 for Cool Savings Feature On 3 See Cool Savings section on page 3 06 CR FA SL Select Adjustable Anticipation cycle rate for Heat ME See table below 07 CR FA SL Select Adjustable Anticipation cycle rate for Cool ME See table below 08 CL On Select Compressor Lockout OFF or On When selected On OFF the thermostat will wait 5 minutes before turning the compressor on 09 L OFF Select Display Light On of OFF When selected On and the C On terminal is connected the backlight will stay on continuously When OFF the backlight will come on for a short time when any key is pressed 10 Room Temp 4 LO to Select room temperature display for 4 higher or 4 lower than 0 4HI the actual temperature 11 oF C Select F or C Display temperature displayed in Fahrenheit or Celsius 12 Change Filter On Select filter maintenance indicator OFF or On OFF If selected OFF item B will be skipped 13 Change Filter 25 to 1975 Select 25 to 1975 hours for Change Filter reminder 200 h See Change Filter reminder section on page 3 To exit the menu Set the system switch to Cool or Heat If no keys are
9. White y Rodgers Emerson Blue Easy Set 1H 1C Model 1F86EZ 0251 Non Programmable Thermostat with 3 Temperature Pre Sets Home Sleep and Away Installation Instructions and User Guide Message to Homeowner Congratulations on choosing the Emerson Blue Easy Set Thermostat The Easy Set is designed to be the easiest thermostat you have ever used This thermostat features Home Sleep and Away temperature pre sets Just press the button and go Included with the easy set is the same temperature accuracy and reliability you expect from all the Emerson Blue thermostats HOME SLEEP 3 Simple Pre Sets Table of Contents Get to know your thermostat cceeccsesseeeeeeeeees Thermostat buttons and switches 0 0 0 eeeeeeeeeee DISPIAY teiisis Wan haieaie ee heed Balle OS perpen aiee RERE Using your thermostat eeseeseneeeeeneeeeeeees Home Sleep and Away temperature pre sets Sleep Timer optiON issin r Change Filter reminder Option v s ssssersicsecseiereenenenn Cool SAavingS Option eee eeteeeeeeeeeeeeeeeeeeeeeneees Installation 2 0 cecseeeeeeeeeeeeeeeeeeeseeeseeseeeenseeseeeseeneeesnennees Remove the old thermostat ceceeeeeeeeeeeeeeees Install the new thermostat cece eeeeeeeeeeeeeeeeees EU SWICMES ziari oinin iA Check thermostat operation cecceceeeeeeeeeeeneeeens Select configuration Options eeeeeeeeereenn Configuration MONU issin Troubleshooting Gu
10. asy temperature pre set is enabled O Change Filter is displayed when the system has run for the programmed filter time period as a reminder to change or clean your air filter m indicates power level of batteries Change o indicates batteries should be replaced CO COOL OFF HEAT o S8 m Q rz Filter A CAUTION If the home is going to be unoccupied for an extended period over 3 months and gt is displayed the batteries should be replaced before leaving When less than two months of battery life remain the setpoint temperature will change by 10 degrees 10 degrees cooler in Heat 10 degrees warmer in Cool to alert you to change the batteries before they fail If the temperature change occurs the normal setpoint can be manually reset However the temperature will change by 10 degrees within two days if the batteries are not replaced A WARNING Do not use on circuits exceeding specified voltage Higher voltage will damage control and could cause shock or fire hazard Do not short out terminals on gas valve or primary control to test Short or incorrect wiring will damage thermostat and could cause personal injury and or property damage Thermostatinstallation and all components of the system shall conform to Class II current limited circuits per the NEC code Failure to do so could cause a fire hazard Using your thermostat Home Sleep and
11. eat Pump ee ee ge ae ar 6 1 THERMOSTAT OOOO ANA O NA SYSTEM Changeover Relay 120 VAC Changeover Relay is energized in COOL when O B switch is in the O position Neutral Changeover Relay is energized in HEAT when O B switch is in the B position TRANSFORMER Class II Current Limited Figure 3 Typical wiring diagram for two transformer single stage systems with NO safety circuits If safety circuits are in only one of Optional Jumper for the systems remove the transformer Single Stage Heat Pump of the system with NO safety circuits 7 THERMOSTAT SYSTEM CUTAND ____ ____ _____ JL ee JL eee TAPE OFF Limit or Safety Switches 120 VAC ee ees w Neutral TWO COMMONS MUST Changeover Relay is energized in COOL when O B switch is in the O position BE JUMPERED TOGETHER TRANSFORMER Changeover Relay is energized in HEAT when O B switch is in the B position Class Il Current Limited Figure 4 Typical wiring diagram for two transformer single stage systems with safety circuits in BOTH systems Polarity must be observed If the HOT side of the second transformer is jumpered to the COMMON side Optional Jumper for of the first transformer a short will be made Damage Single Stage Heat Pump to equipment will occur when power is restored ee ee my D i SYSTEM Fani Limit or Safety HOT Switches Changeover Fan Optional NEUTRAL ACC
12. ide ccceeeesenseeeeeenseees Technical Data cicncicsccisceiieiicsnseienevecsnaeconecnasecvuney cindeds Winnog diagrams oisinn aii Thermostat application guide Specifications woi 5 5 50525 iiacecheenacceadectctuaetesereseseseherebeqentce s EMERSON Climate Technologies www white rodgers com www emersonclimate com 1049 EMERSON see A Ge ener COOL OFF HEAT ON AUTO Just Press the Button and Go This thermostat is intended for use with a low voltage NEC Class II system Do not use this thermostat with a line voltage system If in doubt about whether your wiring is millivolt line or low voltage have it inspected by a qualified heating and air conditioning contractor or electrician Do not exceed the specification ratings All wiring must conform to local and national electrical codes and ordinances This control is a precision instrument and should be handled carefully Rough handling or distorting components could cause the control to malfunction PART NO 37 7201C Replaces 37 7201B Get to know your thermostat Before you begin using your thermostat you should be familiar with its features and with the display and the location and operation of the thermostat buttons and switches The Thermostat Buttons and Switches Raises temperature setting Lowers temperature setting Easy Temperature pre sets Home Sleep Away SYSTEM switch COOL OFF HEAT G FAN switch
13. inutes of run time the thermostat will start increasing the desired temperature in steps of less than one degree as the system continues to run These adjustments will eventually cause the system to satisfy the thermostat and turn the system off to reduce the energy consumption When the Cool Savings feature is active and making adjustments the display will flash Save The amount of adjustments to the desired temperature is dependent on the Cool Savings value that is set 1 being the least adjustment and 6 being the most adjustment With this feature set to OFF no change will occur when the cooling system is continuously running during the periods of high demand Periods of high demand will normally occur during the late afternoon and early evening on the hottest days of the summer Installation Remove the Old Thermostat 1 Turn off power to the heating and cooling system 2 Remove the front cover of the old thermostat this usually pulls off 3 Loosen the screws that hold the thermostat to the wall 4 Identify each wire attached to the old thermostat 5 Disconnect the wires from old thermostat one at a time DO NOT LET WIRES FALL BACK INTO THE WALL Install the New Thermostat 1 Open the battery door and detach the new thermostat cover from the base 2 With the base flush against the wall mark mounting hole locations on wall 3 Move base out of the way and drill mounting holes 4 Push wires through wire opening 5
14. set to Fan On Check each wire connection to verify they are not shorted or touching together No bare wire should stick out from under terminal screws Try resetting the thermostat as described above If the condition persists the manufacturer of your system or service person can instruct you on how to test the Heat Cool system for correct operation If the system operates correctly replace the thermostat Furnace Cycles Too Fast or Too Slow Cooling Cycles Too Fast or Too Slow narrow or wide temperature swing Thermostat Setting and Thermometer Disagree The location of the thermostat and or the size of the Heating or Cooling System may be influencing the cycle rate Thermostat thermometer setting requires adjustment Item 4 CR Heat or 5 CR Cool in the Configuration Menu is the adjustment that controls the cycle rate If an acceptable cycle rate is not achieved using the FA Fast or SL Slow adjustment contact a local service person for additional suggestions The thermometer can be adjusted degrees as listed in item 8 of the Configuration Menu see page 5 No other adjustment is possible Blank Display and or Keypad Not Responding Voltage Spike or Static Discharge If a voltage spike or static discharge occurs use the Reset Operation listed above Technical Data Figure 2 Typical wiring diagram for single transformer single stage systems Optional Jumper for Single Stage H
15. tem Switch not set to Cool Loose connection to thermostat or system Cooling System requires service or thermostat requires replacement 1 Set System Switch to Heat and raise setpoint above room temperature 2 Verify thermostat and system wires are securely attached 3 Diagnostic Set System Switch to Heat and raise the setpoint above room temperature Within a five minutes 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 service person to verify the heating system is operating correctly 1 Set System Switch to Cool and lower setpoint below room temperature 2 Verify thermostat and system wires are securely attached 3 Same procedures as diagnostic for No Heat condition except set the 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 if the compressor lock out option is selected in the configuration menu Item 6 Heat Cool or Fan Runs Constantly a N Possible short in wiring Possible short in thermostat Possible short in Heat Cool Fan system Fan Switch
16. ture after the number of hours set in the configuration menu The Sleep timer default is 8 hours and can be changed to a setting between 1 to 12 hours Example You have selected 8 hours for the Sleep timer in the configuration menu Press the Sleep button the thermostat will maintain the sleep temperature for 8 hours After 8 hours the thermostat will go back to the Home temperature The Sleep timer will be activated each time the sleep button is pressed Change Filter Reminder Option The thermostat can display a reminder when it is time to change the air filter on your heating and cooling system The Change Filter will automatically display after the number of hours set in the configuration menu The change filter reminder time default is 200 hours and can be changed to a setting of 25 to 1975 hours 200 hours is approximately 3 months Example You have selected 250 hours for the change filter reminder The thermostat will display change filter after 250 it has counted down 250 hours When Change Filter is displayed press the or button to clear the display and restart the timer Cool Savings Option With Cool Savings enabled the thermostat will make small adjustments to the desired temperature during periods of high demand to reduce cooling system running time and save energy When the cooling system has been running for more than 20 minutes humidity in the home will be lower and a higher temperature will feel comfortable After 20 m
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