White Rodgers 1F85RF-275 Thermostat User Manual
Contents
1. Distance shown is for a typical application Distances may vary in some applications because obstacles that block the signal path may affect the strength of the signal ATTENTION MERCURY NOTICE This product does not contain mercury However this prod uct may replace a product which contains mercury Mercury and products containing mercury must not be dis carded 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 of spilled mercury place it in a suitable shipping container and send it to White Rodgers 2895 Harrison Street Batesville AR 72501 PART NO 37 6841B Replaces 37 6841A 0745 INSTALLATION A WARNING Thermostat installation and all components of the control system shall conform to Class II 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 back2. Forgot Keypad Lockout Code With the thermostat in any mode press and at the same time to enter the configuration menu at the point where the lockout code is to be entered Press and and SYSTEM button at the same time to reset the lockout code unlock the keypad Why won t my 2nd or 3rd stage come on White Rodgers is a division of Emerson Electric Co The Emerson logo is a trademark and service mark of Emerson Electric Co Your thermostat is designed to determine the optimum time to activate the second stage Simply raising the temperature in heating or lowering it in cooling will not always force the thermostat to bring the second stage on quickly There is a time delay from 0 30 minutes depending on the performance of the first stage of the system HOMEOWNER HELP LINE 1 800 284 2925 White y A Rodgers St Louis MO S EMERSON www white rodgers com
3. S00 VO Raises and lowers the temperature setting Light flashes every 20 seconds indicating acceptable signal reception from indoor or outdoor remote sensor Buttons for setting time Time programming Prgm running program Run and bypassing program to hold a constant temperature Hold SYSTEM button COOL AUTO HEAT OFF EMER heat pump systems only FAN switch ON AUTO Displays the active temperature sensor outside remote local and its sensed temperature Displays when in keypad lockout mode Indicates day of the week Indicates the thermostat mode information HOLD alternates with the system mode see item 12 if the HOLD button is pressed to bypass the program and maintain a constant temperature Displays currently programmed set temperature blank when SYSTEM is OFF Alternately displays the current time and the tempera ture average of sensors thermostat local and or indoor remote turned on HEAT is displayed when set to heating COOL is displayed when set to cooling AUTO is displayed when set for automatic change over between heating and cooling When AUTO is displayed the currently active mode Heat or Cool will also display EMER is displayed flashing heat pump systems only when the thermostat is set to the Emergency Mode Emergency is used to bypass the heat pump and use only the back up heating system FLTR is displayed as a reminder to chang
4. Fault and the antenna icon If the Learn Mode is unsuccessful refer to Troubleshooting section Antenna Fault If you are replacing a thermostat that has more than one wireless remote sensor the Learn Mode must be performed for each sensor Once a sensor has been identified it will remain in the thermostat memory until the Learn Mode is performed again and a different sensor for the stored channel is identified Wireless Remote Indoor Temperature Averaging Your thermostat is designed to sense the temperature of the indoor remote sensor and average or weight it with the local sensor in the thermostat for each program period The averaging will only be active when both the local and the indoor remote sensors are functional and turned on in the configuration menu When the thermostat is placed in view schedule mode press PRGM once the weight of the indoor remote sensor will be shown on the left side of the display when HOLD button is pressed The weighting classes of the indoor remote sensor are designated as A default for average weight HI high weight or LO low weight The HI weight is two times the weight of the average weight The A weight is two times the weight of the LO weight The weight of the local sensor is fixed to A average weight The actual temperature displayed in the clock digits in the normal operation mode is the mathematical weighted sum of the enabled functioning sensors For example if the local se
5. System Blower Circulator Energized Energized Fault 24 Volt Fan Energized in Cool in Heat Off Indicator Multi Stage 24 Volt Common Cool Mode Cool Mode Heat Heat on Call for Mode Mode for Heat MS2 Hot Optional 1stStage 2nd Stage Mode Mode Cool or Fan Change Change Pump Connection Compressor 1 Compressor 2 2nd Stage 1st Stage Energized on over Valve over Valve Systems Call for Heat if or Damper or Damper with Elect Gas Malfunction Switch Set to Switch Electric NEUTRAL 2avac e 120VAC 2 HOT CLASS II TRANSFORMER The RC PS switch shown in Figure 1 configures the thermostat for Hardwire or Power Stealing The factory setting is RC Hardwire and requires a Common connection from the system transformer to the C terminal on the thermostat If no common wire is available for the thermostat C terminal move the RC PS switch to PS Power Steal ing NOTE If set to PS Power Stealing the thermostat C terminal must not have a wire connected Figure 6 Heat Pump Terminal Outputs OO O GO OOO system Heat Pi 1 Heat Blower HP1 S Mode Circulator i No Output 2 Stage Fan Energized Energized Energized Fault Single 24 Volt put jg Compressor 24 Volt gt Maie lon
6. 140 F with F and C indicator Channel identification A B C O indicator 9 bar comfort adjust graph with H hotter and C cooler Transmission occurrence indicator Keypad lockout indicator Calibrate temperature offset indicator Learn mode activated indicator Low battery indicator Temperature offset used when hold time is active Alternates PWR and on to indicate normal operation with display turned OFF Figure 8 Remote Sensor display and buttons pS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SF Pees a ae Gs ee ees re te ay ge ge ee atte tal ia oe aS ee A i AS a OU UL LocKSt ANTI ABCO t PWR HLD BATT LEARN C 5 tooo THERMOSTAT CONFIGURATION MENU INSTALLER CONFIGURATION MENU Press the System button until OFF is displayed then press the S and simultaneously Press Displayed Press Or o Step Button s Factory Default to select Comments 1 System MS2 SS1 HP2 HP1 Selects Single stage Multi stage or Heat Pump Single stage or 2 stage system configuration 2 System LER OFF LER ON Selects learn mode OFF or ON 3 System OUTSIDE OFF OUTSIDE ON Selects OUTSIDE sensor OFF or ON 4 System REMOTE OFF REMOTE ON Selects REMOTE indoor sensor OFF or ON 5 System LOCAL ON LOCAL OFF Selects LOCAL sensor ON or OFF 6 System CH 0 1to9 Select Receive
7. W x 1 1 4 D 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 Index Page Installation 2 Wiring Connections 3 Thermostat Sensor Quick Reference 4 Installer Configuration Menus 6 Operating Your Thermostat and Sensor 9 Programming 13 Troubleshooting 14 A aS wa EMERSON www white rodgers com 1F85RF 275 Thermostat and Wireless Remote Sensor Kit Automatic Heat Cool Changeover Thermostat for Single Stage Multi Stage Heat Pump Systems with Wireless Remote Sensor Installation and Operating Instructions for Model Model 1F85RF 270 F145RF 1328 Programming Choices Non Programmable 5 1 1 Day Wireless Remote Sensor td GE es n Res 1F85RF 270 Wireless Remote Sensor Remote Sensor This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Maximum Wireless Remote Sensors 1 indoor 1 outdoor Operating Range cceceeseeeeeeteeeeees 45 to 90 F 7 to 32 C Operating Humidity Range 0 to 90 RH non condensing DIM NSIONS ianen neia 2 5 8 H x 4 1 4 W x 7 8 D Max Distance from Thermostat 200 feet
8. in mind when planning your program e When heating cooling your building program the temper atures 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 in the sample schedule If this program will suit your needs simply set the time and day and press the RUN button to begin running the factory preset program If you want to change the preprogrammed times and tem peratures follow these steps calculated room temperature The table below shows how the adjustment on the sensor affects the displayed remote temperature on the thermostat and the calculated average Determine the time periods and temperatures for your program You must program four periods for each day However you may use the same heating and cooling temperature temperatures for consecutive time periods You can choose start times heating temperatures and cooling temperatures independently 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 table to plan your progr
9. into the wall Guidelines for Thermostat Sensor Locations Locate the thermostat sensor about 5 ft above floor level on an interior wall in an area that represents the average room temperature Do not mount directly on or near HVAC equipment or other sources of electrical noise Avoid locations close to windows or near adjoining outside walls doors leading outside areas close to air registers or their direct air flow or areas with poor circulation like alcoves Avoid locating the sensor on a concrete wall junction box or metal plate Make sure there are no electrical wires metal pipes or duct work in the part of the wall chosen for the sensor location Thermostat and indoor sensor are not approved for installation in unconditioned space Mounting Thermostat and Sensor 1 Remove the packing material from the thermostat and sensor 2 Pull the front covers of the thermostat and sensor straight off the bases Forcing or prying will cause damage to the controls 3 Using the thermostat and sensor bases as templates place them on the selected wall locations and mark the location of all mounting holes Figure 1 and 3 and the hole for the thermostat antenna wire illustrated in Figure 2 4 Move bases out of the way and drill the holes If mounting holes drilled are too large and do not allow you to tighten base snugly use the plastic screw anchors provided for secure mounting 5 Make sure the remote communication receiver
10. is plugged in properly to the thermostat and that the antenna wire is routed through the thermostat subbase as shown in Figure 2 6 Fasten bases loosely to wall using two mounting screws for each Place a level against bottom of base leveling is for appearance only and will not affect sensor operation and then tighten screws 7 In the thermostat location push excess wire into wall and plug hole with a fire resistant material such as fiberglass insulation to prevent drafts from affecting the thermostat operation 8 Remove the battery tags in both the thermostat and sensor and replace the covers by lining them up with the base and pressing until they snap into place ELEC GAS SWITCH RC PS SWITCH ANTENNA WIRE MOUNTING HOLE MOUNTING HOLE CM NO CM SWITCH REMOTE COMMUNICATION RECEIVER WIRE MOUNTING HOLE Figure 3 Remote sensor base Battery Location The thermostat requires 2 AA alkaline batteries and the sensor requires 2 AAA alkaline batteries Batteries are included at the factory with a battery tag to prevent power drainage The battery tag must be removed to engage the batteries For best results replace batteries once a year with new premium brand alkaline batteries such as Duracell or Energizer Electric Gas Switch Fan Option The ELEC GAS switch is factory set to the ELEC position In this position the thermostat will power the circulat
11. later when the tempo rary hold period ends 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 simulta neously to change to the other mode 11 OPERATING YOUR THERMOSTAT AND REMOTE SENSOR Remote Sensor Operation The sensor monitors the temperature and sends information to the thermostat Updated information is sent to the thermo stat when the temperature changes 3 16 degree or more from the last update Low Battery power The sensor will display the word LO along with BATT icon to indicate a low battery power condition The 2 AAA batteries must be replaced to ensure a proper sensor performance For optimum performance replace batteries once a year with new premium brand alkaline batteries such as Duracell or Energizer Increasing the sensor setpoint decreases the displayed remote temperature shown on the thermostat by 1 F per bar This will lower the actual calculated room temperature by up to 4 F Decreasing the sensor setpoint increases the displayed remote temperature and will raise the actual 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
12. menu table summarizes the configuration options An explanation of each option follows Press SYSTEM to change to the next menu item 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 Single Stage Multi stage or Heat Pump Configuration This menu item requires you configure the thermostat to 2 Select Learn Mode On or Off Selecting LER On enables the learn mode of the thermostat receiver Your thermostat is configured at the factory to recognize the remote sensor shipped with it The Learn Mode Option is used only when required as described in Learn Mode Option 3 Selects OUTSIDE sensor OFF or ON Selecting OUTSIDE ON enables the thermostat to read a wireless outdoor temperature sensor that has been configured for Sensor O in the Learn Mode This allows the thermostat to display the outdoor temperature reading 4 Selects REMOTE sensor OFF or ON Selecting REMOTE ON allows the thermostat to sense an indoor remote sensor that has been set up the Learn mode The maximum number of Indoor Remote Sensors is 1 configured to sensor A B or C match your system Choose your system option from the 5 Selects LOCAL sensor ON or OFF Selecting LOCAL table below ON allows the thermostat to use the onboard temperature System Type Select Option sensor exclusively or for averaging with the remote Sing
13. the room temperature is 70 with the equipment using only the first stage of heat Since the equipment is keeping the temperature within 1 degree of setpoint the thermostat will delay second stage for a longer time if you manually raise the temperature or if the room temperature quickly changes Once the second stage comes on it will come on sooner the next time there is a difference between the setpoint and the room temperature The net effect of the staging program is that when the first stage is capable of holding temperature the second stage will delay longer When the thermostat calculates that first stage cannot make temperature in a reasonable time the second stage will come on sooner This built in function automatically opti mizes the use of additional stages of heat or cool OPERATING YOUR THERMOSTAT AND REMOTE SENSOR Learn Mode Option Your thermostat is configured at the factory to recognize the wireless remote sensor shipped with it This sensor is stored as Sensor A The Learn Mode Option must be performed on the thermostat and wireless remote sensor if A wireless remote sensor is added to another channel The wireless remote sensor is replaced The thermostat is replaced During the Learn Mode the wireless remote sensor will transmit identification information every ten seconds for ten minutes In this ten minute period the display will show LEARN and the antenna icon will show for a short time with
14. to ON Replace door panel in proper position to engage safety interlock or door switch No Heat k Pilot light not lit 2 SYSTEM Switch not set to HEAT 3 Loose connection to thermostat or system 4 Furnace Lock Out Condition Heat may also be intermittent 5 Heating system requires service or thermostat requires replacement Re light pilot Set SYSTEM Switch to HEAT and raise setpoint above room temperature Verify thermostat and system wires are securely attached Many furnaces have safety devices that shut down when a lock out condition occurs If the heat works intermittently contact the furnace manufacturer or local service person for assistance Diagnostic Set SYSTEM Switch to HEAT and raise the 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 service person to verify the heating is operating correctly No Cool 1 SYSTEM Switch not set to COOL 2 Loose connection to thermostat or system 3 Cooling system requires service or thermostat requires replacement Set SYSTEM Switch to COOL and lower setpoint b
15. Call for in Cool in Heat Off Indicator R Common Haat Mod cea Heat Cool Mode Emergency for Heat Heat Pump Hot Optional 1st Stage Stage Emergency lor Fan Change Mode Pump Heat Pump 2 Connection eee Heat Mode Hee ASt SEO secs over Valve Change Systems HP2 st Stage lode ote Se ith ne Compressor 1 a eee 3rd Stage Elect Gas over Valve Menon Compressor Emergency switch for or Two Speed 2nd Stage Mode 2nd Emergency Switch Compressor Compressor 2 Stage Mode Heat Type T NEUTRAL 24vac ad 120VAC e HOT CLASS II TRANSFORMER The RC PS switch shown in Figure 1 configures the thermostat for Hardwire or Power Stealing The factory setting is RC Hardwire and requires a Common connection from the system transformer to the C terminal on the thermostat If no common wire is available for the thermostat C terminal move the RC PS switch to PS Power Steal ing NOTE If set to PS Power Stealing the thermostat C terminal must not have a wire connected THERMOSTAT REMOTE SENSOR QUICK REFERENCE Before operating the thermostat familiarize yourself with the display and button functions Both thermostat and remote sensor consist of two parts the cover and the base To remove a cover pull it straight out from the base To replace a cover line it up with the base and press until the cover snaps into place on the base The Thermostat Buttons and Switches and Display
16. E TH FR indicating weekday program will appear in the display Also dis played are the currently programmed start time for the 1st heating period and the currently programmed temp erature flashing woruweTaFR rare W La HEAT EXAMPLE _ o This display window shows that for the 1st weekday period the start time is 6 00 AM and 68 is the program med temperature this example reflects factory prepro gramming 3 Press 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 temperature mode 5 If both the local and the remote sensors are enabled then you may press HOLD button to change the remote sensor weighting setting Remote icon will display The pro grammed weight A HI or LO will flash Press or to change the displayed weight to your selected weight for the 1st heat program period 6 Press PRGM once The currently programmed start time and setpoint temperature for the 2nd heating program period will appear 7 Repeat steps 3 and 5 to select the start time and heating temperature for the 2nd heating program period 8 Repeat steps 3 through 6 for the 3rd and 4t
17. T or COOL and press RUN to begin program operation NOTE Batteries are not required to keep your programming or menu data With two optional AA batteries installed your thermostat will maintain time and continuously display the temperature during a loss of AC power Installed batteries will also allow programming prior to installation YOUR THERMOSTAT IS NOW PROGRAMMED AND READY TO PROVIDE MAXIMUM COMFORT AND EFFICIENCY e Oe e 13 TROUBLESHOOTING 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 removing the wires from terminals R and C 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 function correctly contact your heating cooling service person or place of purchase Pressing and and the SYSTEM keys at the same time will reset the thermostat to its factory default setting This will also clear any limited temperature ranges or keypad lockout settings Note default system configuration is multistage system operation Symptom Possible Cause Corrective Action No Heat No Cool No Fan common problems 1 Blown fuse or tripped circuit breaker 2 Furnace power switch to OFF 3 Furnace blower compartment door or panel loose or not properly installed Replace fuse or reset breaker Turn switch
18. White y Rodgers FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY AND OR PROPERTY DAMAGE APPLICATIONS THERMOSTAT APPLICATION GUIDE Save these instructions for future use Description Heat Pump No Auxiliary or Emergency Heat Yes Heat Pump with Auxiliary or Emergency Heat Yes Standard Heat amp Cooling Systems Yes Multi Stage Systems requiring more than Yes One Call for Heat or Cool Standard Heat Only Systems Yes Millivolt Heat Only Systems Floor or Wall Furnaces No Standard Central Air Conditioning Yes Gas or Oil Heat Yes Electric Furnace Yes Hydronic Hot Water Zone Heat 2 Wires Yes Hydronic Hot Water Zone Heat 3 Wires No Common Connection Required SPECIFICATIONS Thermostat Electrical Ratings 20 to 30 VAC 50 60 Hz 0 2 to 0 6 Amps per Load Y1 EW1 G 1 5 Amps Y2 W2 O B Load per terminal 1 5 Amps Max All terminals combined Setpoint Range sesen 45 to 90 F 7 to 32 C Rated Differential Single Stage Heat 0 6 or 1 5 F Cool 1 2 F Rated Differential Multi Stage Heat 0 6 or 1 5 F Cool 1 2 F Rated Differential Heat Pump Heat amp Cool 0 75 or 1 2 F Operating Ambient 32 to 105 F 0 to 41 C Operating Humidity 90 non condensing max Shipping Temp Range 4 to 150 F 20 to 65 C Thermostat Dimensions 3 3 4 H x 6
19. Y SUNDAY 1 DAY START REMOTE START REMOTE START REMOTE TIME TEMP WEIGHT TIME TEMP WEIGHT TIME TEMP WEIGHT MORN lt DAY EVE NITE 4 MORN DAY 9 EVE NITE 12 PROGRAMMING Setting the Clock and Day Set Current Time and Day 1 Press TIME button once The display will show the hour only om EXAMPLE 2 P 2 Press and hold either or until you reach the correct hour and AM PM designation AM begins at mid night PM begins at noon A will indicate for AM P will indicate for PM in the minutes digits 3 Press TIME once again The display window will show the minutes only TCC aml EXAMPLE on 4 Press and hold either or until you reach the correct minutes 5 Press TIME once again The display will show the day of the week 6 Press 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 This thermostat starts the programmed temperature earlier than the time selected in your program This allows the system to reach your setting by the time you specify in your program This feature is called EMR Energy Management Recovery If you do not want the thermostat to start early you may cancel the EMR feature in the Configuration Menu Enter Heating Program Press the SYSTEM button to HEAT 2 Press PRGM once MO TU W
20. am time periods and the temperatures you want during each period Fill in the complete table to have a record of your programs Description Remote Sensor Thermostat Display Remote Thermostat Display Local Calculated Room Temp Setpoint Temp Increasing setting decreases room H 4 bars Decreases by 4 F to 71 F 70 5 F temperature average causing system H 3 bars Decreases by 3 F to 72 F 71 to increase temperature H 2 bars Decreases by 2 F to 73 F 71 5 F H 1 bar Decreases by 1 F to 74 F 72 F Remote 75 F 75 F 74 5 75 F Decreasing setting increases room C 1 bar Increases by 1 F to 76 F TIE temperature causing more of a C 2 bars Increases by 2 F to 77 F 73 5 F demand for Cooling C 3 bars Increases by 3 F to 78 F 74 F C 4 bars Increases by 4 F to 79 F 74 5 FACTORY PROGRAM PERIOD WEEKDAYS 5 DAYS SATURDAY 1 DAY SUNDAY 1 DAY START REMOTE START REMOTE START REMOTE TIME TEMP WEIGHT TIME TEMP WEIGHT TIME TEMP WEIGHT MORN 6 00 AM 70F A 6 00 AM 70F A 6 00 AM 70F A T DAY 8 00 AM_ 62F A 8 00 AM_ 62F A 8 00 AM_ 62F A u EVE 5 00 PM 70F A 5 00 PM 70F A 5 00 PM 70F A NITE 10 00 PM 62 F A 10 00 PM 62 F A 10 00 PM 62 F A 5 MORN 6 00 AM 78 F A 6 00 AM 78 F A 6 00 AM 78 F A O DAY 8 00 AM_ 85 F A 8 00 AM_ 85 F A 8 00 AM_ 85 F A 8 EVE 5 00 PM 78 F A 5 00 PM 78 F A 5 00 PM 78 F A NITE 10 00 PM 82 F A 10 00 PM 82 F A 10 00 PM 82 F A PERSONAL PROGRAM PERIOD WEEKDAYS 5 DAYS SATURDAY 1 DA
21. ch to RC 2 If the system has a standard cooling contactor and no common connection is available at the thermostat clip jumper W25 W1 and separate the ends This prevents the thermostat from drawing power from the W1 heating circuit If the condition persists after clipping the jumper a heating and cooling service person can install an isolation relay to the system or add a common wire as mentioned above Antenna Fault 1 Loss of power from heating cooling system to thermostat 2 Remote sensor too far from thermostat 3 Thermostat or remote sensor set to different channels or a different frequency offset 4 Incorrect sensor identification selected 5 Replacement Sensor requires running learn mode 6 Remote sensor requires replacement 1 Verify the thermostat is operating on AC power by removing the thermostat batteries If display goes blank AC power is lost 2 Change remote sensor location 3 Verify the thermostat and remote sensor are set to the same channel and frequency offset 4 For indoor sensor verify sensor identification selected is A B or C For an outdoor sensor verify the sensor identification selected is O 5 If the sensor did not come with this thermostat from the factory perform the learn procedure for thermostat and sensor 6 If the sensor display indicate EO or E1 replace the remote sensor Temperature Difference between Thermostat and Remote Location 1 Improper s
22. djust thermostat setting to 1 above room temperature The heat pump system should begin to operate The display should show STG1 However if the system configuration is set to HP1 or HP2 and setpoint temperature display is flashing the 5 minute compressor lockout feature is operating see Configuration menu item 10 3 Adjust temperature setting to 3 above room temperature If your system configuration is set at MS2 HP2 or HP1 the auxiliary heat system should begin to operate and the display will show STG 1 2 4 Press to adjust the thermostat below room tempera ture The heating system should stop operating OPERATING YOUR THERMOSTAT AND REMOTE SENSOR Emergency System EMER bypasses the Heat Pump to use the heat source wired to terminal E W1 on the thermostat EMER is typically used when compressor operation is not desired or you prefer back up heat only 1 Press SYSTEM button to select EMER EMER will flash on the display 2 Press to adjust thermostat setting above room temperature The Emergency heating system will begin to operate The display will show STG1 flashing EMER and HEAT to indicate that the Emergency system is operating 3 Press to adjust the thermostat below room tempera ture The Emergency heating system should stop operat ing To prevent compressor and or property damage if the outdoor temperature is below 50 F DO NOT operate the cooling system Cooling System P
23. e or clean the air filter after system has run for the programmed filter time period Stage 1 amp 2 indicator STG 1 indicates when the first stage heat or cool is energized STG 2 indicates when the second stage heat or cool is energized 2 blinking indicates Auxiliary Heat stages are energized on Heat Pump Systems SYSTEM TIME PRGM RUN HOLD PM FLTR EIN HEAT COOL coor yt qur EMER STG 1 2 i pu yi mimi LR FAULT ye i Figure 7 Thermostat display buttons and switches Displays LR when the limited range feature is activated Limited range limits the temperature the thermostat can be set to Indicates the system is sending a fault signal to the thermostat L terminal This does not indicate a fault in the thermostat Antenna will display for a few seconds when the remote or outdoor transmitted signal is received Displays LOW BATT when the 2 AA batteries are low and should be replaced Indicates the current signal strength level of the remote temperature system Signal strength level is low one bar on medium two bars on or high three bars on The remote will operate with 1 bar showing THERMOSTAT SENSOR QUICK REFERENCE Q O OOQOHQZOH OO The Sensor Buttons and Display Raises the setting Lowers the setting Sensed temperature from 40 to
24. each transmission The thermostat will be receiving the transmitted identification information To perform the Learn Mode on the thermostat and sensor Remove the batteries from all wireless remote sensors in the same building except the sensor you are going to put into the Learn Mode This will prevent interference from the other sensors Be sure that the remote sensor is set for the proper identification A B or C for indoor or O for outdoor and the thermostat and remote sensor are set to the same frequency On the thermostat enter the thermostat Configuration Menu by pressing the SYSTEM button to OFF and then momentarily pressing and at the same time Momentarily press SYSTEM button to advance to step 2 of the Configuration Menu The display will show LER and OFF Momentarily press or to select LER and On The display will flash LER with On displayed con stantly On the wireless remote sensor enter the Installer Configuration Menu by pressing and for five seconds The remote sensor display will change to LEARN OF Momentarily press or to select LEARN On After the thermostat has successfully identified the remote sensor in approximately one minute the sensor information will be stored and the thermostat display will change to LER and OK If the identification sequence is not successful after ten minutes the thermostat display will show LER
25. elow room temperature Verify thermostat and system wires are securely attached Same procedure 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 Thermostat does not Follow Program 14 1 Program or current time s set incorrectly AM PM or Day of the week 2 Energy Management Recovery EMR starting the program early Verify that the AM or PM settings are correct for each program period and the current time of day Also verify the Day of the week is set correctly The EMR Energy Management Recovery feature starts early to achieve the temperature it is pro grammed for by the time specified in the program See the Configuration Menu section to disable EMR if you do not want the thermostat to start early TROUBLESHOOTING Symptom Possible Cause Corrective Action Furnace Inducer Fan Blower or Heat Turns On with No Call for Heat or does not Turn Off when Call for Heat Ends In power stealing mode RC PS Switch set to PS the thermostat draws a small amount of power through the heating circuit to operate Some furnace systems using high impedance input electronic modules may react to the current draw and actuate system components 1 Add a common connection from the system transformer to the C terminal on the thermostat and set the RC PS swit
26. epending 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 Emer Setting is available only when the thermostat is configured in HP1 or HP2 mode Manual Operation for Non Programmable Thermostats Press the SYSTEM button to select Heat or Cool and use the or buttons to adjust the temperature to your desired setting After selecting your desired settings you can also press the SYSTEM button to select AUTO to allow the thermostat to automatically change between Heat and Cool Manual Operation Bypassing the Program Programmable Thermostats Press Or and adjust the temperature wherever you like Then press HOLD 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 setting for a default four hour override period The override period can be shortened or lengthened by adjusting the temporary hold time in the configuration menu Example If you turn up the heat during the morning pro gram it will be automatically lowered
27. er to the equipment manufacturers instructions for specific wiring information After completing the connections configure the thermostat in the Installer Configuration Menu to match your system type Figure 4 Single Stage No Heat Pump Terminal Outputs O9OGHBOOOO System Blower sie asad Energized Energized Fault ol an Energized in Cool in Heat Off Indicator Single Stage 24 Volt Common Cool Mode eat on Call for Mode Mode for Heat 81 Hot Optional 1st Stage No Output No Output Mode Cool or Fan Change Change Pump Connection Compressor 1st Stage Energized on over Valve over Valve Systems Heater Call for Heat if or Damper or Damper with Elect Gas Malfunction Switch Set to Switch Electric T NEUTRAL 2avac e gt 120VAC 2 HOT CLASS II TRANSFORMER The RC PS switch shown in Figure 1 configures the thermostat for Hardwire or Power Stealing The factory setting is RC Hardwire and requires a Common connection from the system transformer to the C terminal on the thermostat If no common wire is available for the thermostat C terminal move the RC PS switch to PS Power Steal ing NOTE If set to PS Power Stealing the thermostat C terminal must not have a wire connected Figure 5 Multi Stage No Heat Pump Terminal Outputs DOPO
28. g 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 programmed 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 thermo stat setpoint will change to 70 at 6 35 AM Cooling allows more time per degree because it takes longer to reach temperature Fast or Slow Cycle Selection The factory default setting is fast cycle which cycles 1st stage at approxi mately 1 2 F and 2nd stage 0 75 F If you prefer slow cycle press the temperature key to change to SL The 1st stage and 2nd stage would be 1 5 F and 1 2 F respec tively 10 Select Compressor Lockout CL OFF or ON Selecting CL ON will cause the thermostat to wait 5 minutes before turning on the compressor if the heating and cooling system loses power It will also wait 5 minutes minimum between cooling and heating cycles This is intended to help protect the compressor from short cycling Some newer compressors already have a time delay built in and do not require this feature Your compressor manufac turer can tell you if the lockout feature is already present in their system When the thermostat compressor time delay occurs it will flash the setpoint for about five minutes 11 Select Backli
29. ght Display The display backlight improves 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 keep the light on momentarily 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 the backlight is selected ON or OFF 12 Select Fast Second Stage On or OFF For Heat During normal operation if the setpoint temperature is manually raised by 3 F or more above the actual tem perature with the button and the fast second stage feature is enabled FA ON the second stage will energize immediately For Cool During normal operation if the setpoint tempera ture is manually lowered by 3 F or more below the actual temperature with the button and the fast second stage feature is enabled FA ON the second stage will energize immediately 13 Select filter replacement run time The thermostat will display FLTR after a set time of operation This is a reminder to change or clean your air filter This time can be set from 0 to 1950 hours in 50 hour increments A selection of 0 will cancel this feature When FLTR is displayed you can clear it by pressing HOLD and RUN at the same time This resets the timer and starts counting the hours until the next filter change Contact your system manufacturer for a specific replacement maintenance in
30. h heating program periods 9 Press PRGM once SA indicating Saturday program will appear in the display along with the start time for the 1st heating period and the currently programmed temp erature 10 Repeat steps 3 through 8 to complete Saturday heating programming 11 Press PRGM once to change to SU Sunday heating programming and repeat steps 3 through 7 to complete Sunday programming 12 When you have completed entering your heating pro gram press RUN Enter Cooling Program 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 Press SYSTEM button to COOL 2 Follow Enter Heating Program for entering your cooling program using your selected cooling times and tempera tures CHECK YOUR PROGRAMMING Follow these steps to check your thermostat programming one final time before beginning thermostat operation 1 Press SYSTEM button 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 display ed in sequence for weekday then Saturday and Sunday program periods you may change any time or tempera ture during this procedure Press RUN Press SYSTEM button to COOL position Repeat step 2 to check cooling program Press SYSTEM button to HEA
31. he location of the thermostat and or the size of the Heating System may be influencing the cycle rate Digital thermostats normally provide precise temperature control and may cycle faster than some older mechanical models A faster cycle rate means the unit turns on and off more frequently but runs for a shorter time so there is no increase in energy use If you would like to increase the cycle time choose SL for slow cycle in the menu step 4 If an accept able cycle rate is not achieved as received or by choosing slow cycle contact a local service person for additional suggestions Thermostat Setting amp Thermostat Thermometer Disagree 1 Thermostat thermometer setting requires adjustment The thermometer can be adjusted 3 degrees See Temperature Display Adjustment in the Configuration Menu section Blank Display and or Keypad Not Responding 1 Voltage spike or static discharge Use the Reset Operation at top of previous page Heat Setpoint will not Respond to the Temperature Up Key e The desired setpoint conflicts with the setpoint of the COOL mode Change system mode to COOL Raise the Cool setpoint Return to HEAT mode and set desired temperature Cool Setpoint will not Respond to the Temperature Down Key The desired setpoint conflicts with the setpoint of the HEAT mode Change system mode to HEAT Lower the Heat setpoint Return to COOL mode and set desired temperature
32. izes the configuration options An explanation of each option follows User configuration menu Sensed Temperature 1 4 bars 1 4 H Step Press button s Displayed Press or Comments to scroll menu factory default to change option 1 and LOCK on Select keypad lockout OFF or ON OF 2 and HLD 1 to 8 hrs Select temporary adjust temperature 4h in 1 hour increments hold time 3 and CALIB 1 4 bars 1 4 C to Select temperature display adjustment higher or lower 4 and dF OF Select display temperature OFF or ON on 5 and dL OF Select display backlight OFF or ON on 6 and oF C Select temperature display to F or C Sensed Temperature 7 Qand Exits user menu and returns to normal operation Select keypad lockout OFF or ON Selecting LOCK ON will cause the keypad to be locked in the normal operation mode This prevents the and from being used to adjust temperature The display will indicate LOCK when the keypad is locked If LOCK OF is selected the and keys can still be used When the keypad is locked the and keys can still be pressed at the same time to enter the configura tion menu Select temporary adjust temperature hold time Selects the length of time for the temporary temperature adjustment Hold time default is 4 hours and can be set from 1 to 8 hours in 1 hour increments Select temperature display adjustment higher or lower allows you t
33. l return to normal operation The Installer Configuration Menu table summarizes the configuration options An explanation of each option tones Installer Configuration Menu Step Press button s Displayed Press or Comments to scroll menu factory default to change options 1 and LEARN on Select learn mode OFF or ON OF 2 and CH B C O Select sensor identification as A B C or O A 3 and C 1 through 9 Select transmitter frequency offset 0 4 and Exit installer menu and return to normal operation 1 Select learn mode OFF or ON Selecting LEARN on enables the sensors learning mode In the learning mode the sensor will transmit identification information once every 10 seconds for a period of 10 minutes The LEARN icon will be displayed during the learning mode The transmitter icon will be displayed for a short period of time with each transmission See Learn Mode Option 2 Select sensor identification from A to O For multiple sensors systems each sensor must have a designated identification The thermostat can operate with one indoor sensor and one outdoor sensor For indoor sensors you may select A B or C For outdoor sensor you must select O 3 Select transmitter frequency offset The sensor s transmitter operates on 418MHz radio frequency by default Interference may occur if another device or equipment operates on the same frequency The interfer ence may degrade the comm
34. le Stage Heat Cool systems S81 sensor readings To control temperature using only the Multi Stage Heat Cool systems No Heat Pump MS2 indoor remote sensor temperature s use the or Heat Pump system 1 compressor or 1 speed compressor HP1 buttons to select LOCAL OFF Heat Pump systems 2 compressors or 2 speed compressor HP2 6 Select Receiver frequency offset This option allows The thermostat is factory defaulted to MS2 To select a different option press the or key to scroll through the choices you to select a different channel than the factory default for communication between the thermostat and remote sensor Note If a different channel is selected on the thermostat it must also be changed to the same THERMOSTAT CONFIGURATION MENU setting on the remote This is only used in areas where there are other wireless devices or electronic equipment that interfere with the default frequency of the thermostat remote sensor communication Programmable Periods This control can be config ured for 4 2 or 0 programmable periods The display indicates PRG 4 in the display as default The program mable periods can be changed to 2 or 0 by pressing the Oro keys With PRG 0 selected for non program mable SYSTEM key selection will skip EMR item 8 and temporary program override item 15 Select Energy Management Recovery OFF or ON Energy Management Recovery EMR causes the thermostat to start heatin
35. mode from OFF to the desired system mode While the keypad is locked out a simultaneous press of and will enter the menu item from any mode instead of only OFF mode When the menu is entered with the keypad lockout feature enabled the first menu item displayed is the combination code 0 The or keys are used to set the combination unlock number from 0 to 999 If the unlock number matches exactly with the combination lock number stored in memory when the SYSTEM button is pressed the keypad is unlocked and the lock icon is removed If the unlock number does not match when the SYSTEM button is pressed menu is exited and the keypad remains disabled To reset the combination code and unlock the keypad if the code is forgotten see troubleshooting section page 16 REMOTE SENSOR CONFIGURATION MENU _ __ The configuration menus allow you to set certain remote sensor operating characteristics to your system or personal require ments Two configuration menus are available User Configuration and Installer Configuration User Configuration Menu Momentarily press and keys at the same time and release to enter the User menu To scroll through the menu items press the and keys at the same time To change the item option press or To exit the menu scroll through all menu items If no buttons are pushed for 3 minutes the control will also return to normal operation The User Configuration Menu table summar
36. nsed temperature is 80 F and the remote sensed temperature is 70 F then If weight selected is HI then the averaged temperature is 2 x 80 F 4 x 70 F 6 73 3 F If weight selected is A then the averaged temperature is 2 x 80 F 2 x 70 F 4 75 F If weight selected is LO then the averaged temperature is 2 x 80 F 1 x 70 F 3 76 6 F The example above shows that the weight selected would prioritize the overall averaged temperature between the two sensors The high weight selection caused the remote sensor to carry more weight in the calculated temperature average than the local sensor The low weight selection caused the remote sensor to carry less weight in the calcu lated temperature average than the local sensor Choose the Fan Setting Auto or On Set the FAN Switch 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 d
37. o adjust the room temperature display 1 to 4 higher or lower Your sensor was accu rately calibrated at the factory but you have the option to 4 5 change the display temperature to match your previous sensor or thermostat Select display temperature OFF or ON Selecting OF allows you to disable displaying the sensed temperature Instead of the temperature the sensor will display PWR with the word on to indicate normal operation Select display backlight OFF or ON The display backlight improves display contrast in low lighting conditions Selecting dL on will keep the light on for a short period of time after any key is pressed Selecting OF will keep the light off Select temperature display to F or C Changes the display readout to Celsius or Fahrenheit as required REMOTE SENSOR CONFIGURATION MENQG _ _ __ Installer Configuration Menu Your thermostat is configured at the factory to recognize the remote sensor it is shipped with as indoor sensor A The Installer Configuration Menu is used only when adding or replacing a remote sensor or selecting a frequency offset Press and buttons for a minimum of five seconds at the same time to enter the Installer menu To scroll through the menu items momentarily press the and buttons at the same time To change the item option press or Cy To exit the menu scroll through all menu items If no buttons are pushed for 3 minutes the control wil
38. or fan on a call for heat Electric heat systems may require the switch to be in the ELEC position If your system does not require that the thermostat power the circulator fan this switch should be set to the GAS position Typically gas and oil heating systems do not require the thermostat to power the circulator fan during a call for heat If your heat is gas or oil the switch should be set to the GAS position When the thermostat is configured for Heat Pump the thermostat will always power the circulator fan on a call for heat in the HEAT mode The ELEC GAS switch must be set to match the type of Auxiliary heat your system uses for proper operation in the EMERgency mode RC PS Switch Thermostat Power Option RC PS Switch Position Description RC For Hardwire Applications Requires Common Wire from System Transformer to C Terminal on Thermostat PS For Power Stealing Applications Use When Common from the System Transformer is not Available for Connection to the C Terminal on the Thermostat NOTE If set to PS Power Stealing the thermostat C terminal must not have a wire connected WIRING CONNECTIONS Typical wiring diagrams are provided below for the following systems Single Stage Heat Cool systems Multi Stage Heat Cool systems No Heat Pump Heat Pump system one compressor or one speed compressor with Aux Heat Heat Pump systems two compressors or two speed compressor with Aux Heat Ref
39. r frequency offset 7 System PRG4 PRG 0 PRG 2 Selects Programmable Periods 8 System EMR ON EMR OFF Selects Energy Management Recovery OFF or ON 9 System CR HEAT COOL FA SL Selects Fast or Slow cycle selection 10 System CL OFF CL ON Selects Compressor Lockout CL OFF or ON 11 System CdL ON CdL OFF Selects Backlight Display ON or OFF 12 System FA HEAT COOL ON FA HEAT COOL OFF Selects Fast Second Stage ON or OFF 13 System OFLTR 0 1950 increments of 50 Selects filter replacement run time 0 Disabled 14 System OF 4 LO to 4 HI Selects Temperature Display Adjustment 4 LO 4 HI Room Temperature 15 System 4 00 HOLD 0 00 to 8 00 Selects Temporary Program Override Time Increments of 15 minutes 0 00 Disabled 16 System F Cc For C selection Selects temperature display as F or C 17 System LR HEAT 90 LR 62 to LR 89 Selects Limited HEAT range 18 System LR COOL 45 LR 46 to LR 82 Selects Limited COOL range 19 System CA OFF CA ON Selects Comfort Alert Lock 20 System OFF LOCK ON LOCK Selects Buttonpad Lockout 21 000 LOCK 001 to 999 Selects Buttonpad lockout combination number Press System to set code Run Returns to the OFF mode The configuration menu allows you to set certain thermostat operating characteristics to your system or personal require ments Set SYSTEM button to OFF then simultaneously press and to enter configuration menu The display will show the first item in the configuration menu The configuration
40. ress SYSTEM button to select COOL 2 Press to adjust thermostat setting below room temperature The blower should come on immediately on high speed followed by cold air circulation The display should show STG1 If the setpoint temperature display is flashing the compressor lockout feature is operating see Configuration menu item 5 3 Adjust temperature setting to 3 below room temperature The second stage cooling should begin to operate and the display should show STG 1 2 4 Press to adjust the temperature setting above room temperature The cooling system should stop operating e Remote Temperature Sensor Information on the Thermostat Display During normal operation the upper left of the thermostat display changes every 6 seconds to show the temperatures at the sensors that are turned on in the configuration menu The sensors are the thermostat LOCAL the outdoor remote sensor OUTDOOR and the indoor remote sensor REMOTE Below that the display alternately shows the time and temperature average of the sensors that are turned on The word SIGNAL is shown along with number of bars 1 3 indicating the relative signal strength More bars mean better reception The antenna icon also displays for few seconds when information from the remote sensor is received If the thermostat does not receive an update signal from an enabled remote sensor REMOTE or OUTDOOR for 30 minutes or more the thermostat will di
41. splay FAULT and ANTENNA icons continuously The REMOTE or OUTDOOR sensor that has communication with the thermostat inter rupted will display a temperature of 00 If the active sensor is the REMOTE the thermostat will revert back to LOCAL sense only mode 10 Automatic System Changeover When the thermostat is in the AUTO mode the thermostat will call for heat or cool depending on the room temperature The setpoint temperature displayed will be the last mode called If the last system cycle was heat the HEAT setpoint will be displayed If the room temperature raises above the HEAT setpoint and the COOL setpoint and a call for cool is required the temperature displayed will change to be the COOL setpoint If you manually override the temperature in AUTO and it does not switch to the mode HEAT or COOL that you want press the and keys once at the same time to switch modes At the end of your override time it will revert back to AUTO Second Stage Time Delay Your thermostat is designed to determine the optimum time to activate the second stage Simply raising the temperature in heating or lowering it in cooling will not always force the thermostat to bring the second stage on quickly If the fast second stage option in the configuration menu step 12 is set to OFF there is a delay from 0 30 minutes depending on the performance of the first stage of the system EXAMPLE For the last 2 hours the thermostat is set on 70 and
42. terval 14 Select Temperature Display Adjustment 4 LO to 4 HI Allows you to adjust the room temperature display up to or 18 Limite 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 The current or adjusted room temperature will be displayed on the left side of the display 15 Select Temporary Program Override Time The thermo stat 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 means disable Example 1 You have selected 3 00 hours for the Temporary Pro gram Override time period 2 With the thermostat set to Heat or Cool press HOLD for approximately 5 seconds until HOLD time 3 00 indicating 3 hours appears as a setting reminder 3 After releasing the button HOLD on the display will blink 4 Use 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 16 Select F or C Readout Changes the display readout to Celsius or Fahrenheit as required 17 Limited Heat Range This feature provides a maximum setpoint temperature for heat The defa
43. ult setting is 90 F It can be changed between 62 F and 89 F by pressing the key Cool Range This feature provides a minimum setpoint temperature for cool The default setting is 45 F It can be changed between 46 F and 82 F by pressing the or key 19 Comfort Alert This feature is available in Passive mode on this thermostat If a Comfort Alert module is connected the thermostat will receive and flash the fault codes from the Comfort Alert module 20 amp 21 Keypad Lockout This menu selection will display lock Q icon The and are used to toggle the function and display the lock icon and OFF keypad not locked out default indicating in the time digits to the lock icon and ON keypad locked out When the keypad lockout function is enabled ON and the SYSTEM button is pressed again the display will indicate the number 000 default still disabled in the time digits The and are used to set the combination number from 0 to 999 If a combination of 000 is selected and the SYSTEM button is pressed the menu will be exited and keypad will not be locked If 1 to 999 is selected and the SYSTEM button is pressed again the combination is locked into non volatile memory and the menu is exited The lock icon to designate keypad locked with a valid combination will display when the menu is exited The SYSTEM button will operate for 10 seconds after the menu mode is exited to allow the user to change the
44. unications between the sensor and the thermostat To avoid interference you may select a different radio frequency for your sensor This menu item allows you to select a radio frequency offset from 1 to 9MHz from the base frequency For example if the you selected an offset of 4 the transmitter radio frequency will be 418MHz 4MHz 422MHz Note that the sensor s transmitter and the thermostat s receiver must operate on the same frequency to communicate To change thermostat s receiver frequency please refer to Thermostat Configuration Menu OPERATING YOUR THERMOSTAT AND REMOTE SENSOR Check Thermostat Operation To prevent static discharge problems touch side of thermostat to release static build up before touching any keys If at any time during testing your system does not operate properly contact a qualified service person Fan Operation If your system does not have a G terminal connection skip to Heating System 1 Turn on power to system 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 A CAUTION Do not allow the compressor to run unless the compres sor oil heaters have been operational for 6 hours and the system has not been operational for at least 5 minutes Heating System 1 Press SYSTEM button to select HEAT If the auxiliary heating system has a standing pilot be sure to light it 2 Press to a
45. ystem sizing or improper heating and cooling distribution between areas 2 An uneven change in occupancy level sun load or conditioned space activities cooking washing dishes showers etc between the areas Selecting a high or low priority for the thermostat or sensor location during program periods can help even out minor temperature imbalances between the thermostat and remote sensor locations This is also useful for scheduled or predictable events like occupancy level or sun load during particular times of the day If the temperature difference remains large after assigning priorities system modification or zoning may be necessary to balance the tem perature distribution Heat Cool or Fan Runs Constantly y Possible short in wiring 2 Possible short in thermostat 3 Possible short in heat cool fan system 4 FAN Switch 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 15 TROUBLESHOOTING Symptom Possible Cause Corrective Action Furnace Air Conditioner Cycles Too Fast or Too Slow narrow or wide temperature swing 1 T
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