White Rodgers 1F80-241 Thermostat User Manual
Contents
1. designation AM begins at midnight PM begins at noon 3 Press TIME once Thedisplay windowwill show the minutes only 4 Press and hold either O or until you reach the correct minutes 5 Press TIME once The display will show the day of the week 6 Press O or until you reach the current day of the week 7 Press RUN once The display will show the correct time and room temperature alternately Enter Heating Program 1 Move the SYSTEM switch to HEAT 2 Press PRGM once MO TU WE TH FR indicating weekday program will appear in the display Also displayed are the currently programmed start time for the 1st heating period and the currently programmed temperature flashing EXAMPLE This display window shows that for the 1st weekday period the start time is 6 00 AM and 68 is the programmed temperature this example reflects factory preprogramming 3 Press O or to change the displayed temperature to your selected temperature for the 1st heating program period 4 Press TIME once the programmed time will flash Press or until your selected time appears The time will change in 15 minute increments When your selected time is displayed press TIME again to return to the change tem perature mode 5 Press PRGM once The currently programmed start time and setpoint temperature for the 2nd heating program period will appear 6 Repeat steps 3 and 4 to select the start time and heating temper2. in sequence for weekday then weekend program periods you may change any time or temperature during this procedure Press RUN Move SYSTEM switch to COOL position Repeat step 2 to check cooling program Move SYSTEM switch to HEAT or COOL and press RUN to begin program operation YOUR THERMOSTAT IS NOW COMPLETELY PROGRAMMED AND READY TO PROVIDE MAXIMUM COMFORT AND EFFICIENCY TROUBLESHOOTING oa Pw No Heating With the SYSTEM switch set to HEAT when the setpoint temperature is raised or lowered past the room temperature the thermostat will make a soft click sound Usually the sound indicates the thermostat is operating correctly If the system does not come on check the system or contact your heating cooling service person If the thermostat does not click try the Reset Operation listed below No Cooling Same procedure as heating except set SYSTEM switch to COOL There can be up to a 5 minute compressor lock out time delay before the thermostat clicks in COOL Blank Display A blank digital display usually indicates loss of power to the thermostat from the heating and cooling system or indicates the thermostat has received a voltage spike or static discharge see Reset Operation The thermostat must have 24 volts constantly supplied to terminals RC RH and C A blown fuse or tripped breaker could cause a power loss Also many furnaces contain safety or limit devices that can disconnect the power to the thermostat inte
3. spilled mercury with sand or other absorbent material and place into a container which can be sealed If a cell becomes damaged the unit should be discarded Mercury must not be discarded in household trash When the unit this product is replacing is to be discarded place in a suitable container and return to White Rodgers at 9797 Reavis Road St Louis MO 63123 5398 for proper disposal ELECTRIC HEAT OR SINGLE STAGE HEAT PUMP SYSTEMS Read entire paragraph before setting electric heat switch If you are unsure of your application contact a qualified service person If you have a single stage heat pump system OR your system uses central electric heat where the blower is energized by a separate circuit through the fan relay meaning that the fan turns on immediately on call for heat then the switch on the thermostat base must be moved to the ELECTRIC position see fig 1 If the thermostat is energizing electric heat sequenc ers the switch MUST remain in the GAS position If you must move the switch to the ELECTRIC position to the left use a small screwdriver or pencil ATTACH THERMOSTAT BASE TO WALL 1 Remove the packing material from the thermostat Gently pull the cover straight off the base Forcing or prying on the thermostat will cause damage to the unit If necessary move the electric heat switch see ELECTRIC HEAT SYSTEMS above 2 Connect wires beneath terminal screws on base using appropria
4. temperature setting 8 TIME button PRGM program button RUN program button HOLD temperature button FAN SYSTEM TIME PRGM RUN HOLD GOGO ON AUTO COOL OFF HEAT as ri mU it i a GLi 0 Figure 8 Thermostat display buttons and switches T FAN switch ON AUTO SYSTEM switch COOL OFF HEAT The Display Indicates day of the week Flame icon 4 is displayed when the SYSTEM switch is in the HEAT position Snowflake icon is displayed non flashing when the SYSTEM switch is in the COOL position Snowflake is displayed flashing if the thermostat is in lockout mode to prevent the compressor from cycling too quickly Alternately displays current time and temperature Displays currently programmed set temperature this is blank when SYSTEM switch is in the OFF position The word HOLD is displayed when the thermostat is in the HOLD mode HOLD is displayed flashing when the thermo stat is in a temporary HOLD Mode CONFIGURATION MENU The configuration menu allows you to set certain thermostat operating characteristics to your system or personal requirements Press RUN to make sure the thermostat is in the run program mode then press PRGM and RUN atthe same time to enter the configuration menu The display will show the first item in the configuration menu The configuration menu chart below summarizes the configura tion options An explanation of each op
5. turning on the compressor if the heating and cooling system loses power It will also wait 5 minutes minimum between cooling cycles This is intended to help protect the compres sor from short cycling Some newer compressors already have a time delay built in and do not require this feature Your compressor manufacturer can tell you if the feature is already present in their system When the compressor time delay occurs it will flash the snowflake icon for about five minutes then turn on the compressor 6 Select Temperature Display Adjustment 4 LO to 4 HI Allows you to adjust the room temperature display 4 higher or lower Your thermostat was accurately calibrated at the factory but you have the option to change the display temperature to match your previous thermostat 7 Select F or C Readout Changes the display readout to Celsius or Fahrenheit as required OPERATING FEATURES Now that you are familiar with the thermostat buttons and display read the following information to learn about the many features of the thermostat e SIMULTANEOUS HEATING COOLING PROGRAM STORAGE When programming you can enter both your heating and cooling programs at the same time There is no need to reprogram the thermostat at the beginning of each season e TEMPERATURE OVERRIDE Press O or until the display shows the temperature you want The thermostat will override current programming and keep the room temperature at the selected te
6. 1F80 241 Programmable Electronic Digital Thermostat INSTALLATION AND OPERATION INSTRUCTIONS Operator Save these instructions for future use FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY AND OR PROPERTY DAMAGE WHITE RODGERS DESCRIPTION Your new White Rodgers 5 Day 1 Day 1 Day Digital Thermo e LCD continuously displays set point and alternately dis stat uses the technology of a solid state microcomputer to provide precise time temperature control This thermostat offers you the flexibility to design heating and cooling programs that fit your needs Features e 24 Volt System powered e Separate 5 day weekday 1 day Sat and 1 day Sun pro gramming with four separate time temperature settings per day e Simultaneous heat and cool program storage e Preprogrammed temperature control e Backlit display This thermostat is intended for use with a low voltage 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 itinspected 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 con
7. at approxi mately 1 5 F 3 Select backlit display The display backlight improves display contrast in low lighting conditions Selecting back light ON will keep the light on continuously Selecting OFF will keep the light off Configuration Menu HOLD 0 to 8 hrs in Select temporary Hold time e 00 15 minute a 2 HOLD Ra 3 HOLD d L on Select FA or SL Fast or Slow heating cycle rate Select display backlight OFF or ON Select Energy Management Recovery OFF or ON aa Select Compressor lockout OFF or ON 0o o Select temperature display to F or Returns to normal operation Press HOLD to advance to next item or TIME to move backwards to previous item 4 Select Energy Management Recovery OFF or ON Energy Management Recovery EMR causes the thermo stat 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 You select EMR and have your heating pro grammed to 65 at night and 70 at 7 AM If the building 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 temperature 5 Select Compressor Lockout LOC OFF or ON Selecting LOC ON will cause the thermostat to wait 5 minutes before
8. ature for the 2nd heating program period 7 Repeat steps 3 through 5 for the 3rd and 4th heating program periods Weekday heating programs are now complete 8 Press PRGM once SA indicating Saturday program will appear in the display along with the start time for the ist heating period and the currently programmed temperature 9 Repeat steps 3 through 7 to complete Saturday heating programming 10 Press PRGM once SU indicating Sunday program will appear in the display along with the start time for the 1st heating period and the currently programmed temperature 11 Repeat steps 3 through 7 to complete Sunday heating programming 12 When you have completed entering your heating program press RUN Enter Cooling Program 1 Move SYSTEM switch to COOL position 2 Follow the procedure for entering your cooling program using your selected cooling times and temperatures If the outside temperature is below 50 F disconnect power to the cooling system before programming Energizing the air conditioner compressor during cold weather may cause personal injury or property damage CHECK YOUR PROGRAMMING Follow these steps to check your thermostat programming one final time before beginning thermostat operation 1 Move SYSTEM switch to HEAT position 2 Press PRGM to view the 1st weekday heating period time and temperature Each time you press PRGM the next heating period time and temperature will be displayed
9. dule If this program will suit your needs simply press the RUN button to begin running the factory preset program If you want to change the preprogrammed times and tempera tures follow these steps Determine the time periods and temperatures for your weekday and weekend programs You must program four periods for both the weekday and weekend program However you may use the same heating and cooling temperatures for consecutive time periods You can choose start times heating temperatures and cooling temperatures independently for both weekday and weekend programs for example you may select 5 00 AM and 70 as the weekday 1st period heating start time and tempera ture and also choose 7 00 AM and 76 as the weekday 1st period cooling start time and temperature Use the following table to plan your program time periods and the temperatures you want during each period Fill in the complete table to have a record of your programs Entering Your Program Follow these steps to enter the heating and cooling programs you have selected Set Current Time and Day 1 Press TIME button once The display will show the hour only Heating Cooling Schedule Plan WEEKDAY 5 DAY SATURDAY 1 DAY SUNDAY 1 DAY Period Start Start Start Time Temperature Time Temperature Time 1ST 2ND 3RD a a a 1ST EA peo o CT T jem TCT 2 Press and hold either or until you reach the correct hour and AM PM
10. inal connection skip to Heating System 1 Move fan switch to ON position The blower should begin to operate 2 Move fan switch to AUTO position The blower should stop immediately Heating System 1 Move SYSTEM switch to HEAT position If the heating system has a standing pilot be sure to light it 2 Press O to adjust thermostat setting above room tempera ture The heating system should begin to operate 3 Press to adjust temperature setting below room tem perature The heating system should stop operating JUMPER WIRE Neutral TRANSFORMER Figure 2 Typical wiring diagram for heat only 3 wire single transformer systems with common connection required JUMPER WIRE TRANSFORMER Figure 3 Typical wiring diagram for cool only 3 wire single transformer systems with common connection required RED jumper wire provided with thermostat must be connected between thermostat RH and RC terminals for proper thermostat operation with this system JUMPER Neutral TRANSFORMER Figure 4 Typical wiring diagram for heat cool 4 wire single transformer systems with common connection required Cooling System A CAUTION To prevent compressor and or property damage if the outdoor temperature is below 50 F DO NOT operate the cooling system 1 Move SYSTEM switch to COOL position Before you begin programming your thermostat you should be familiar with its features and with the display a
11. ll conform to Class II circuits per the NEC code SPECIFICATIONS APPLICATIONS For use with e Standard heat cool or heat only systems Electric heat systems Gas or oil fired systems Gas systems with intermittent ignition devices I 1 D and or vent dampers e Hydronic hot water or steam systems e Single stage heat pump systems no auxiliary heat DO NOT USE WITH e Millivolt systems e Multi stage systems e Systems exceeding 30 VAC and 1 5 amps e 3 wire zoned hydronic heating systems PART NO 37 6313A Printed in U S A 0144 INSTALLATION REMOVE OLD THERMOSTAT 1 Shut off electricity at the main fuse box until installation is complete Ensure that electrical power is disconnected 2 Remove the front cover of the old thermostat With wires still attached remove wall plate from the wall If the old thermostat has a wall mounting plate remove the thermostat and the wall mounting plate as an assembly 3 Identify each wire attached to the old thermostat using the labels enclosed with the new thermostat 4 Disconnect the wires from old thermostat one at a time DO NOT LET WIRES FALL BACK INTO THE WALL 5 Install new thermostat using the following procedures ATTENTION This product does not contain mercury However this product may replace a unit which contains mercury Do not open mercury cells If a cell becomes damaged do not touch any spilled mercury Wearing non absorbent gloves take up the
12. mperature until the next program period begins Then the thermostat will automati cally revert to the program e HOLD TEMPERATURE The thermostat can hold any temperature within its range for an indefinite period without reverting to the programmed temperature Momentarily SAMPLE Heating Cooling Schedule Plan Factory Program WEEKDAY 5 DAY SATURDAY 1 DAY SUNDAY 1 DAY Start Start Start Time Temperature Time Temperature Time Period 1ST 2ND 3RD Temperature 10 00 PM 62 F 10 00 PM 62 F 10 00 PM 62 F 10 00 PM 82 F 10 00 PM 82 F 10 00 PM 82 F press HOLD button HOLD will be displayed Then choose the desired temperature by pressing or The thermostat will hold the room temperature at the selected setting until you press RUN button to start program opera tion again e CONFIGURATION MENU Allows you to customize certain thermostat options PROGRAMMING YOUR THERMOSTAT This section will help you plan your thermostat s program to meet your needs For maximum comfort and efficiency keep the following guidelines in mind when planning your program e When heating cooling your building program the tem peratures to be cooler warmer when the building is vacant or during periods of low activity e During early morning hours the need for cooling is usually minimal Planning Your Program Look at the factory preprogrammed times and temperatures shown inthe sample sche
13. nd the location and operation of the thermostat buttons Your thermostat consists of two parts the thermostat cover and the base To remove the cover pull it straight out from the base To replace the cover line up the cover with the base and press until the cover snaps onto the base THE THERMOSTAT BASE Other than and the following buttons and switches are located on the bottom of the thermostat cover see fig 8 HEATING TRANSFORMER COOLING TRANSFORMER Figure 5 Typical wiring diagram for heat cool 5 wire two transformer systems with common connection required JUMPER WIRE JUMPER WIRE Reversing valve is energized when the system switch is in the COOL position Neutral TRANSFORMER Figure 6 Typical wiring diagram for heat pump with reversing valve energized in COOL with common connection required JUMPER WIRE JUMPER WIRE Reversing valve is energized when the system switch is in the HEAT position TRANSFORMER Figure 7 Typical wiring diagram for heat pump with reversing valve energized in HEAT with common connection required 2 Press to adjust thermostat setting below room tempera ture The blower should come on immediately on high speed followed by cold air circulation 3 Press O to adjust temperature setting above room tem perature The cooling system should stop operating OPERATION The Thermostat Buttons and Switches Raises temperature setting Lowers
14. rmittently Time Loss The thermostat maintains its program in memory during a power loss but the clock time freezes until power is restored If your clock does not keep accurate time you may be losing power Check with your service person for additional assis tance Reset Operation If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation you can reset the thermo stat by pressing O and TIME at the same time This also resets the factory defaults to the configuration menu and program If the thermostat has power has been reset and still does not function correctly contact your heating cooling service person or place of purchase
15. te wiring schematic see figs 2 through 7 3 Place base over hole in wall and mark mounting hole locations on wall using base as a template 4 Move base out of the way Drill mounting holes 5 Fasten base loosely to wall as shown in fig 1 using two mounting screws Place a level against bottom of base adjust until level and then tighten screws Leveling is for appearance only and will not affect thermostat operation If you are using existing mounting holes or if holes drilled are too large and do not allow you to tighten base snugly use plastic screw anchors to secure subbase Screw anchors Mounting holes Electric Gas switch Mounting holes Figure 1 Thermostat Base 6 Push excess wire into wall and plug hole with a fire resistant material such as fiberglass insulation to prevent drafts from affecting thermostat operation HYDRONIC HOT WATER OR STEAM HEATING SYSTEMS This thermostat is set to operate properly with a forced air heating system If you have a hydronic heating system a system that heats with hot water or steam you must set the thermostat to operate properly with your system Change the second option in the configuration menu to SL see CONFIGURATION MENU page 4 CHECK THERMOSTAT OPERATION If at any time during testing your system does not operate properly contact a qualified service person Turn on power to the system Fan Operation If your system does not have a G term
16. tion follows Press HOLD to change to the next menu item or press TIME to go backwards to the previous item in the menu To exit the menu and return to the program operation press RUN If no keys are pressed within fifteen minutes the thermostat will revert to normal operation 1 Select Temporary Hold Time The thermostat can hold any temperature you set it to for the amount of time you select on this option Your choices are 0 00 to 8 00 hours in 15 minute increments 0 00 disables the function Example Using the Temporary Hold Function 1 You have selected 3 00 hours for the Temporary Hold time period 2 With the thermostat set to Heat or Cool press HOLD for five seconds time will show 3 00 hours as a setting reminder 3 HOLD on the display will blink 4 Use O or to set the temperature to your prefer ence The thermostat will maintain this temperature setting for 3 hours with HOLD blinking to remind you it is in Temporary Hold After 3 hours the thermostat will go back to the program temperature and HOLD will no longer blink or display 2 Select FA or SL Fast or Slow Heating Cycle Rate The FA setting is frequently used for gas oil or electric heat The SL setting produces a longer heating cycle which is nor mally for hot water or steam hydronic systems Both settings produce very accurate temperature control and can be set to your personal preference FA cycles the system just under 1 F and the SL setting cycles
17. trol to malfunction A CAUTION To prevent electrical shock and or equipment dam age disconnect electric power to system at main fuse or circuit breaker box until installation is complete ELECTRICAL DATA Electrical Rating 18 to 30 VAC 50 60 Hz or D C 0 05 to 1 0 Amps Load per terminal 1 5 Amps Maximum Total Load All terminals combined THERMAL DATA Setpoint Temperature Range 45 F to 90 F 7 C to 32 C Operating Ambient Temperature Range 32 F to 105 F Operating Humidity Range 0 to 90 RH non condensing Shipping Temperature Range 4 F to 150 F WHITE RODGERS EMERSON ELECTRIC CO 9797 REAVIS ROAD ST LOUIS MISSOURI 63123 5398 www white rodgers com plays time and room temperature e Temperature override until next program period e Manual program override HOLD temperature e Temporary HOLD e F C convertibility e Temperature range 45 to 90 F e RC RH C W Y G O and B terminals e Band O terminals for single stage heat pumps no auxiliary heat or damper operation e Program storage in case of power loss PRECAUTIONS 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 Thermostat installation and all components of the system sha
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