Lennox International Inc. CBX32MV06 Thermostat User Manual
Contents
1. 01 05 09 For INDOOR RH use arrows to select ON or OFF then press SAVE INDOOR RH a DEFAULTCOFE iH nw For OUTDOOR TEMP select ON or OFF then press SAVE OUTDOOR TEMP a DEFAUL TCOFFS On wy For CONTACT INFO select ON or OFF then press SAVE CONTACT IMFO a DEFAULT OFF Oh wy FAN CIRCULATE As an option to running the fan all the time fan cir culate allows the user to decide how much the fan will run during peri ods of equipment inactivity The fan ON time is always set to 5 minutes This option will cause the fan to come on more or less frequently The default is 35 to change scroll to FAN CIRCULATE press ENTER Use arrows to change to 15 25 or 45 press SAVE FAN CIRCULATE a DEFAULT an wy 15 25 35 45 9 minutes fan run time per hour 15 minutes fan run time per hour 21 minutes fan run time per hour 27 minutes fan run time per hour Page 10 Options tab User Settings continued COOLING LIMIT This limits the temperature at which the thermostat may be set for cooling default is 50 to change to any degree between 45 F and 90 F scroll to COOLING LIMIT press ENTER Use arrows to change to desired temperature press SAVE COOLING LIMIT a DEFAULTCSO F SSF wy HEATING LIMIT This limits the temperature at which the thermostat may be set for heating default is 85 to change to any degree between 45 F and 90 F scroll to HE2. performance when combined with whole home indoor air quality products Outdoor temperature display with optional outdoor sensor shows current outdoor temperature Your installer has set up your thermostat based on the type of heating and cooling system and accessories that your thermostat connects to This booklet details user settings available to you that will give you as much functionality and control as you want Page 2 Touch Screen Display Figure 1 Touch screen display Press the screen anywhere the first press turns on the backlight A Selection Tabs Press to select HOME normal display SCHEDULE for programming OPTIONS to set fan operation alerts service reminders and other user and installer settings B MODE press to cycle through HEAT COOL AUTO autochangeover OFF EM HEAT emergency heat Page 3 C SCHED schedule press to change between ON and OFF D Displays room temperature E Displays the current operation SET AT point s If MODE is set to AUTO autochangeover both HEAT and COOL setpoints are displayed F Up down arrows used for adjusting temperature up or down if in AUTO autochangeover mode two sets of up down arrows ap pear G Information display area displays different information depending on the tab selected e HOME tab displays outdoor temperature if outdoor sen sor X2658 is installed indoor relative humidity RH which mode is calling hold settin
3. user programmable cycles see FAN CIRCULATE Page 10 If set to AUTO the fan will come on with the equipment to serve the heating cooling demand and go off accordingly NOTE When the OPTIONS screen FAN mode is changed to ON or CIRC whatever was scheduled is ignored the fan will either be ON or it will CIRCULATE per the user programmed intervals USER SETTINGS FAN CIRCULATE Page 10 When FAN AUTO is selected in the OPTIONS screen the schedule IS followed In the CIRC mode the user can cycle the fan for a programmed percentage of active time per hour during periods of equipment inactivity i e heating or cooling equipment not running The fan is ON for 5 minutes at a time The user may change the percentage of ON time that the fan is on see FAN CIRCULATE Page 10 Controlling the Schedule If backlight is not on continuous press the screen anywhere to turn on the backlight SCHED ON OFF From the HOME screen press SCHED repeated presses toggle the schedule ON and OFF If ON the system follows the program developed by the user Page 7 506229 01 05 09 If OFF the system operates as a non programmable thermostat the user must make changes when desired The autochangeover feature continues to operate based on the manual user inputs The fan mode is displayed on the SCHEDULE screen when program ming the thermostat and can be changed only during schedule editing after EDIT is pressed Fan settings in OPTI
4. ATING LIMIT press ENTER Use arrows to change to desired temperature press SAVE HEATING LIMIT a DEFAULTCS5 F SF wy HUMIDITY SETTING See separate sections Humidify Page 12 and Dehumidify Page 13 HUMIDITROL ADJUST If Humiditrol is enabled in the installer set tings then this adjustment affects overcooling operation Overcooling ranges from 2 F below the cooling setpoint MIN setting down to 2 F above the heating setpoint MAX setting Halfway between the two settings is the MID setting The default setting is MAX to change to MID or MIN scroll to HUMIDITROL ADJUST press ENTER Use arrows to scroll to MID or MIN then press SAVE HUMIDITROL ADJUST a DEFAULT CHAH HIH gy NOTE Humiditrol does not function if the outdoor temperature is 95 F or greater nor when the indoor temperature is 65 F or less BACKLIGHT SETTING default is POWER SAVE scroll to BACK LIGHT SETTING press ENTER Use arrows to change to CONTINU OUS press SAVE i SETTING a POHER SAVE yy Page 11 BACKLIGHT INTENSITY default is 100 scroll to BACKLIGHT IN TENSITY press ENTER Use arrows to change to 20 to 100 in 20 increments press SAVE BACKLIGHT INTENSITY a DEFAULTCLOON gt SOR wy SECURITY LOCK default no locks at all this provides two methods of locking the thermostat Answer YES to ALLOW TEMP ADJUST anyone can make tem perature setpoint chang
5. LENNOX gt HOMEOWNER S MANUAL ComfortSense 7000 Series Model L7742U Touch Screen Programmable Thermostat 2009 Lennox Industries Inc Dallas Texas USA CONTROLS 1 Technical Publications 7 vous Geneounorons a oa Litho U S A Supersedes 04 09 INDOOR RH 26 Table of Contents WED JAN 21 12 55AM ComfortSense 7000 Series Model L7742U Thermostat 2 Display Fields amp Touch Screen Points 3 Home Screen Current Conditions amp Temperature Settings 4 Controlling the Heat Cool Modes of Operation 5 Controlling the Fan Operation 0 000200 6 Controlling the Schedule 000c ee eee 6 Schedule Screen Programming 22 5 8 Options screen Reminders amp User Settings 9 e Tabbed user interface with e Humidification measurement Humidification sse envie rinier sd ipur eee eee 12 touchscreen interaction and control Dehumidification 0c0c0eceveeseeeeeeeeeees 13 Soft blue backlighted screen Programmable or Humiditro EDA Accessory 0 0 eee e eee aes 13 with adjustable brightness non programmable options Temporary Temperature Change Pause the Schedule 14 e Equipment maintenance e Automatically changes Remote Outdoor Sensor 000 eee ee eee eee 15 reminders between heating cooling Memory Protection 0 0 cecceecee cee eee eee ee 15 05 09 506229 01 ComfortSense 7000 Series M
6. NTER Use arrows to change to 24H press SAVE 12 OR 24 HOUR a DEFAUL TCL2HRD 12H wy ComfortSense Model L7742U Touch Screen 7 Day Programmable Thermostat Options tab User Settings continued EVENTS DAILY 2 OR 4 default is 4 to change scroll to EVENTS DAILY 2 OR 4 press ENTER Use arrows to change to 2 press SAVE EVENTS DAILY 2 0R 4 a DEFAULTS 2 iw VIEW CONTACT INFO scroll to VIEW CONTACT INFO from the user settings menu press ENTER Use BACK to return to menu To set this to display on the home screen see DISPLAY INFO DISPLAY INFO controls what is displayed in the field below the tem perature and above the time on the HOME screen it may display OUT DOOR TEMP INDOOR RH relative humidity and CONTACT INFO or any combination of the three or none if all three are set to OFF Scroll to DISPLAY INFO press ENTER Use arrows to select OUT DOOR TEMP INDOOR RH or CONTACT INFO press ENTER DISPLAY INFO a OUTDO 4P NOTE When turning ON the OUTDOOR TEMP option OUT DOOR SENSOR REQUIRED will display if the physical sensor is not installed NOTE If outdoor sensor is not present and if user tries to select the options DISPLAY INFO gt OUTDOOR TEMP or HUMIDITROL a mes sage is displayed OUTDOOR SENSOR REQUIRED instead of scroll options for these menus Information about installing the sensor is de scribed on Page 15 506229
7. ONS screen will OVER RIDE the scheduled fan operation Page 6 Schedule tab Programming If backlight is not on continuous press the screen anywhere to turn on the backlight Press the SCHEDULE tab along the top of the screen The display changes to programming mode figure 4 and shows the current settings EVENTS DAILY 2 OR 4 The thermostat may be programmed for two or four default events per day The names for the events are WAKE LEAVE RETURN and SLEEP The selected time for an event to occur is based on when you want the event to begin Four events default are common for working households To change to two events per day see page 10 When set for two events per day the display would appear as WAKE or SLEEP PERIOD BEGINS FAN AUTO MON TUE WED THU FRI SAT SUN WARE FERIOD BEGINS SEQOAM Figure 4 Schedule Screen Page 7 Programming may be performed in groups of days or individual days as follows A MON TO SUN allows every day to be set the same B MON TO FRI weekday programming and SAT TO SUN weekend programming C MONDAY through SUNDAY allows individual days of the week to be programmed separately NOTE After using one of the groups of days described above the program allows you to subsequently change individual days to suit your needs To get to the different groupings of days press EDIT then press NEXT repeatedly to scroll to the desired grouping Programming Complexit
8. R QUE FRI JUN iz 09 ROUTINE CHECE UP REPLACE UW LAMP DUE FRI SEF ii 09 PURE AIR MAINTENANCE QUE FRI SEP ii 09 SCUSTOM REMINDER 1s QUE HED OCT 21 09 QUE IN 2160 HOURS REPLACE HUM FAD QUE FRI JUN iz 09 Page 9 User Settings OPTIONS TAB gt USER SETTINGS gt ENTER 12 OR 24 HOUR BACKLIGHT INTENSITY BACKLIGHT SETTING Page 9 F C Page 11 FAN CIRCULATE Page 11 HEATING LIMIT Page 11 Page 11 HUMIDITROL ADJUST Page 11 Page 9 HUMIDITY SETTING Pages 11 12 13 Page 10 SECURITY LOCK Page 11 Page 10 VIEW CONTACT INFO Page 10 Page 9 Page 10 COOLING LIMIT DATE TIME DISPLAY INFO EVENTS DAILY 2 OR 4 Press the OPTIONS tab use the arrows to select USER SETTINGS Press ENTER USER SETTINGS a INSTALLER SETTINGS wv The following items are available for modifying Follow the instructions for each parameter DATE TIME Set month day year hour and minute using DATE TIME option Select DATE TIME press ENTER Small filled up arrow indicates selected column use up down arrows to adjust press box below each small up arrow to select each column Adjust press SAVE FEE it 5 PH 49 A HOH DAY HE HN e a a a a a cancer savel F C default is Fahrenheit to change to Celsius scroll to F C press ENTER Use arrows to change to C press SAVE FORC a DEFAULT amp F3 Fw 12 OR 24 HOUR clock default is 12H to change scroll to 12 OR 24 HOUR press E
9. ations including dual fuel and HP with Electric Heat or OFF COOLTRIG The user can also decide whether to operate the unit per the program THE O07 23 LSet mable schedule or in a non programmable mode using the SCHED box INFORMATION DISPLAY AREA Figure 2 Home Screen 506229 01 05 09 Page 4 Controlling the Heat Cool Modes of Operation COOL On initial power up or after an a power loss over 2 HEAT hours the thermostat powers up at the HOME ne screen in the AUTO position If it powers up after a EmHEAT Power loss of less than 2 hours it assumes the last mode set Pressing MODE repeatedly scrolls through all the modes AUTO EM HEAT COOL HEAT then back to OFF HEAT COOL and OFF modes are as each name implies AUTO autochangeover allows the thermostat to switch between Heating and Cooling whichever mode is dictated by the indoor temperature EM HEAT emergency heat bypasses the first stage of heating any stage s of heat pump heating and goes directly to the heat stage used for maximum heating to more quickly warm a very cold house When the indoor temperature decreases or increases the HEATING or COOLING cycle will turn on based on the displayed mode When the HVAC system is on the INFORMATION DISPLAY AREA shown in fig ure 3 will display one or several operational messages listed in the table below If the outdoor sensor is connected and is turned on in both installer and user settings outdoor temperat
10. d setpoint The auto changeover deadband minimum separation between the heat and cool set points is still used to determine whether changeover occurs This applies to all of the following hold modes Temporary Temperature Changes schedule ON While the system is running with the schedule ON any change to the temperature settings may be made for the default time approximately 3 hours or for as long or short a time as you wish Therefore following the procedure will set a HOLD on the schedule for a few hours or for up to 45 days Figure 6 shows a typical screen set in the AUTOchangeover mode If the SYSTEM were set in HEAT COOL or EM HEAT mode only the top set of arrows appear 1 On the home screen press the UP or DOWN arrow to adjust to the desired temperature 2 A set of arrows appears to the right of the information display use these arrows to adjust the hold period for as long as desired or if not changed this setting will hold for approximately 3 hours 3 Press SAVE 4 After saving ON next to the SCHED button flashes slowly and the information display alternates between the following HOLD SETTING UNTIL HED MMM DD HH MHHM and SCHED Ti RESUME PROGRAM 506229 01 05 09 5 After the 3 hours expires the scheduled programming will re sume OR press SCHED to cancel the hold Permanent Temperature Changes schedule OFF non programmable operation To make a change for an undefined time span the sc
11. e and a user defined dew point adjustment setting When humidifying if condensation forms on the windows the dewpoint should be adjusted in the range of 15 to 5 if the home feels dry set dewpoint upward in the range of 5 to 15 506229 01 05 09 Scroll to HUMIDITY SETTINGS press ENTER Press the box below HUMIDIFY HUMIDITY MODE HUMIDIFY DEHUMIDIFY a a il Use up down arrows to change the dewpoint between 15 and 15 press SAVE DEH POINT ADT a DEFAULT oto ia WV NOTE Dewpoint adj available only when outdoor sensor is attached OFF f OFF selected in installer settings for both humidify and dehu midify this message appears when HUMIDITY SETTING is pressed HUMIDITY MODES OFF If OFF is selected by the installer settings for HUMIDIFY but DE HUMIDIFY is on the dehumidification menu appears this setpoint ad just has NO effect on humidification DEHUM SETPOINT A DEFAULT 500 Se ww Page 12 Dehumidification If your system is set up to control dehumidification this adjustment con trols the relative humidity RH between 45 and 60 Scroll to HUMID ITY SETTINGS press ENTER Press the box below DEHUMIDIFY HUMIDITY MODE HUMIDIF DEHUMIDIF a a l l Use up down arrows to change the humidity setpoint between 45 and 60 press SAVE DEHUM SETPOTHT a DEFAULTCSOR ke ww OFF If your system is set up for neither humidifying or de
12. es without entering a 3 digit code Answer NO to ALLOW TEMP ADJUST prevents making any changes at all until the 3 digit code is entered Scroll to SECURITY LOCK and press ENTER ALLOW TEMP AD JUST screen appears press box below YES or NO ALLOH TEMP A JUST ES Ho ae a CANCEL an The ENTER LOCK CODE screen appears ENTER LOCK CODE a D a a bf cance SAVE To enter the lock code press box below each small up arrow to select each column Use up down arrows to enter a number then press the box below the next number and repeat to enter a 3 digit lock code write down the number for future reference press SAVE NOTE If the security code is forgotten or misplaced use the universal code 864 to unlock ComfortSense Model L7742U Touch Screen 7 Day Programmable Thermostat Humidification BASIC amp PRECISION f set up by the installer settings for BASIC or PRECISION this adjustment controls the relative humidity RH be tween 15 and 45 Scroll to HUMIDITY SETTINGS press ENTER Press the box below HUMIDIFY HUMIDITY MODE HUMIDIFY DEHUMIDIFY a a l l Use up down arrows to change the humidity setpoint between 15 and 45 press SAVE HUM SETPOINT a DEFAULT q5 qk wy DEWPOINT f set up by the installer settings for DEWPOINT this ad justment only when in heating mode will change the humidification setpoint based on the outdoor temperatur
13. gs information service reminders SCHEDULE tab displays the event being programmed OPTIONS tab displays a scrolling list of installer and user adjustable parameters including filter and service reminder periods etc H Schedule time adjustment User Installer Settings up down ar rows e HOME screen not visible except when executing a HOLD SETTING e SCHEDULE and OPTION screens used to adjust sched ule and option settings Dynamic keys not visible in HOME screen unless executing a HOLD SETTING For SCHEDULE and OPTIONS settings these keys appear and change depending on the selection See the schedule and options sections for details ComfortSense Model L7742U Touch Screen 7 Day Programmable Thermostat Home Screen Current Conditions amp Temperature Settings The HOME screen figure 2 displays indoor temperature and outdoor temperature if the outdoor sensor is installed Other system operational information such as indoor relative humidity if turned on in user set tings dehumidifying cooling or heating will alternately be displayed in the information display Equipment operation information appears in the boxes along the left side of the home screen to indicate cooling or heating equipment opera tion setting and whether scheduled programming is ON or OFF From these boxes users can change the unit s mode to HEAT COOL AUTO autochangeover default EM HEAT emergency heat for heat pump applic
14. hedule must be turned OFF The setpoint is maintained indefinitely 1 From the home screen press SCHED to turn the scheduled pro gramming OFF 2 Press the UP or DOWN arrow to set the temperature to the desired temperature The information display field continues to display the active mode out door temperature indoor relative humidity Turning the schedule back ON press SCHED box on home screen will cancel a permanent hold and return to the event programmed mode MON TUE WED THU FRI SAT HOLO SETTING UNTIL LAGAN a CT iW Figure 6 Setting a Hold on the Schedule Page 14 Optional Remote Outdoor Sensor The outdoor sensor X2658 may be required especially when using Humiditrol EDA applications In addition to measuring and displaying outdoor temperature the outdoor sensor provides dew point adjust ment and control for all models If used with this thermostat the sensor enables optimal heating equipment operation via programmable bal ance points The screen will display NO OUTDOOR SENSOR until the outdoor sensor is installed the feature is turned on in the USER SET TINGS in the DISPLAY INFO option The outdoor temperature is dis played in the information display lower center of the screen NOTE For proper operation of Humiditrol EDA applications the outdoor sensor MUST be installed In many applications the ComfortSense Model L7742U thermostat displays the temperature sensed by the remote outdoor se
15. humidifying the air this message appears when HUMIDITY SETTING is pressed HUMIDITY MODES OFF If your system is set up for humidifying but not dehumidifying the hu midification menu appears when HUMIDITY SETTING is pressed this setpoint adjust has NO effect on dehumidification HUM SETPOINT a DEFAULTC45 3 sk wy Page 13 Humiditrol Enhanced Dehumidification Accessory EDA If your system includes a Humiditrol Enhanced Dehumidification Ac cessory if an outdoor sensor is installed and if Humiditrol mode is se lected in the installer settings the following setting is available Scroll to HUMIDITY SETTINGS in user settings to confirm that you can control the DEHUMIDIFY setting HUMIDITY MODE HUMIDIFY DEHUMIDIFY a a HUMIDITROL ADJUST is available in the user settings The default setting is MAX dehumidification but can be changed to MID or MIN Use arrows to scroll to MID or MIN then press SAVE HUMIDITROL UST a DEFAULT cH HIH wy ComfortSense Model L7742U Touch Screen 7 Day Programmable Thermostat Temporary Temperature Change Pause the Schedule Two types of temperature changes may be made temporary while in the SCHEDule ON mode or permanent while in SCHEDule OFF NOTE If autochangeover is enabled at the time a temperature hold is invoked the thermostat MAY CHANGE OVER from heating to cooling and vice versa to maintain the temperature hol
16. is made SAVE appears in the bottom right hand of the screen Fan indicator displays selection ON AUTO or CIRC Information area displays start time Repeat steps 4 7 for all remaining events If you selected other than MON TUE WED THU FRI SAT SUN continue otherwise skip to step 11 9 10 11 Press NEXT for the next group or the next day Days change to match selected group e g SAT SUN Repeat steps 3 through 8 for the remaining days if necessary Press SAVE when all events and days are programmed as desired 506229 01 05 09 The changes are made and the schedule screen reappears HAKE PERIOD BEGINS Figure 5 Programming days and events Options Screen Reminders amp User Settings CLEAN button OPTIONS TAB gt CLEAN When you select the OPTIONS tab two buttons appear near the bot tom of the screen labeled CLEAN and ENTER Press the CLEAN but ton to deactivate the touch zones for 30 seconds Clean the screen with a soft cloth and a mild glass cleaning solution The Options screen provides user and installer access to the various features for setup and access to the reminders Qa w USER SETTINGS ema me Reminders OPTIONS TAB gt REMINDERS gt ENTER Set timers from 1 to 24 months in either calendar time or system run time Reminders appear when it is time to service the following for more details on REMINDERS see Page 15 REPLACE MEDIA FILTE
17. mfortSense Model L7742U Touch Screen 7 Day Programmable Thermostat Controlling the Fan Operation Fan Modes C FAN CIRC If backlight is not on continuous press the screen AUTO anywhere to turn on the backlight Press the ON OPTIONS tab to access the FAN mode control Press FAN button repeated presses scroll through all the modes AUTO ON and CIRC circulate AUTO the fan is following schedule ON the fan is NOT following the schedule and runs continuously until it is changed from the OPTIONS screen ClRC the fan is following schedule and cycles during periods of equipmentinactivity Cycle time is dependent on user settings FAN CIRCULATE Page 10 If FAN mode displays AUTO and ON or CIRC was selected during scheduling for the current period the thermostat will indicate the current fan mode in the information display FAN ON or FAN CIRC In the CIRC mode the user can cycle the fan for a programmed percentage of active time per hour during periods of equipment inactivity i e heating or cooling equipment not running The fan is ON for 5 minutes at a time The user may change the percentage of ON time that the fan is on see FAN CIRCULATE Page 10 Fan Program The user can program the fan to be ON AUTO or CIRC during a program event period While scheduling the event if the fan is set to ON it will remain on during the entire event If it is set to CIRC it will circulate during equipment inactivity per
18. nsor With the heat pump system the remote outdoor sensor helps determine when to turn on the second stage of heating for optimal comfort When the outdoor sensor is connected the temperature displays in the information display area below the indoor temperature display Memory Protection The thermostat stores all the information concerning its programming state mode program information last temperature measured in a nonvolatile memory This function avoids the loss of the state of the thermostat when a pow er down occurs The only thing that might be lost is the clock however a lithium battery will remember clock information for as long as it has charge approximately 30 days When power down occurs due to a power outage the thermostat is able to switch off all relays The O and B relay will maintain their last state Page 15 Service Reminders The user may turn on and turn off the following service reminders all of which default to OFF in either chronological time and or run time and may be reset to default or delayed snooze at any time Replace Media Filter Routine Sys System Check up Replace Hum Humidifier Pad Replace UV Lamp PureAir Maintenance NOTE When chronological time is selected the timer runs based on the calendar When time is selected in run time the timer runs based on the time the specific output is ON e g Fan output for Media Filter When the reminder time either calendar time o
19. odel L7742U Thermostat The ComfortSense 7000 Series Model L7742U thermostat is an elec tronic 7 day universal multi stage programmable touch screen ther mostat It also offers enhanced capabilities including humidification dehumidification dewpoint measurement and control Humiditrol EDA Enhanced Dehumidification Accessory control and equipment maintenance reminders 506229 01 05 09 Large clear display with soft blue backlight shows the current and set temperature day date time indoor relative humidity and out door temperature if optional outdoor sensor is used Dehumidification measurement and control Humiditro EDA capability Dew point adjustment control Menu driven programming guides user through the scheduling process showing only necessary information on each screen Ergonomic design Smooth Setback Recovery starts system early to achieve set point at start of program period Compressor short cycle protection 5 minutes Real time clock keeps time during power failures and automati cally adjusts for daylight savings time and leap year Maintenance reminders let user know when to service or replace filters humidifier pads ultraviolet lamps plus two user or installer defined custom reminders Program Hold options allow user to override the program sched ule as desired by time and date Select individual days or groups of days to set programming Programmablefan offers increased
20. r run time has elapsed the system displays a screen from which the user can either RESET or DELAY the reminder The user can reset the timer either before it has expired i e reminder is set to 6 months and user decides to reset it to 6 months or change it to different value at the end of 4th month or when the time has expired and a reminder message has been displayed When a reminder is turned off the indicator will not be activated even if the timer is expired Note that setting filter reminder to 0 OFF will not reset the timers but will deactivate the filter indicator In the case of a power interruption lithium battery has charge the total accumulated time is main tained i e the counter does not recycle to zero lithium battery has NO charge the due date of reminders is main tained ComfortSense Model L7742U Touch Screen 7 Day Programmable Thermostat
21. ure will be included in the displays The table below summarizes the information messages When the faults errors and service information displays appear dy namic keys will appear under the second line entries REMIND CLEAR SERVICE or RESET Press the box to perform the action INFORMATION DISPLAY AREA Figure 3 Selecting Mode of Operation Information Display Area table Faults Errors and Service Information TEMP SENSOR ERROR MEMOR ERROR Top line fault error CALL FOR SERVICE Bot line action NO OUTDOOR SENSOR i CALL DEALER INFO REPLACE MEDIA FILTER UM LAMP HUM FAD METAL INSERT Top line serv req d REMIND 5 Bot line action ROUTINE S5 C Top line serv req d REMIND Bot line action HO OUTDOOR SENSOR HUF REMIND SERVICE DEALER INFORMATION Edited to show dealer contact informa Contact tion 2 lines Installing Dealer Operating Information SET DATE TIME Default DATETIME CMON JAN 1 1200 Prt HEATING COOLING HUMIDIFPING DEHUMIO SYSTEM OFF OUTDOOR TEMP xxF INDOOR RH First time start up msg HG Top line operation msgs MOM SEF 24 2 00 PH Bottom line date amp time SCHEDULE OM SCHEDULE OFF HAIT FAN OM FAN CIRC Top line operation msgs MOM SEF 24 2 00 PH Bottom line date amp time HOLD SETTING UNTIL HOM SEP 24 300 PH PRESS SCHED TO RESUME PROGRAM Alternating msgs during a held schedule Page 5 Co
22. y The programming process for groups of days or individual days is the same except in the amount of times required to go through the process Full Week The least complex program is the full week MON TO SUN program wherein the events for every day of the week are the same This requires one time through the event programming process Work Week Next in complexity to the full week program is the work week program wherein the events are set for a typical work week MON TO FRI and different events are set for the weekend SAT TO SUN This requires two times through the events Day by Day Most complex because this requires going through the programming process 7 times ComfortSense Model L7742U Touch Screen 7 Day Programmable Thermostat Schedule Screen Programming Days amp Events Programming process 8 Action Press SCHEDULE tab Press EDIT Press NEXT to highlight the de sired grouping of days Press an event WAKE default LEAVE RETURN amp SLEEP to select for programming Press UP DOWN arrows to select desired temperature Press FAN repeatedly to select desired fan mode Press UP DOWN arrows to adjust start time for selected event Display shows SCHEDULE screen UP DOWN arrows on right hand side of screen EDIT changes to CANCEL Days change to match selected group e g MON TUE WED THU FRI Filled triangle above event indicates which event is selected for change After change
Download Pdf Manuals
Related Search