Lennox International Inc iComfort Wifi Thermostat, XP2101, XC2105 Equipment, Alerts, Diagnostics

Contents INSTALLER’S SYSTEM SETUP GUIDE icomfortt−Enabled Units2P0912**P506920-01 CONTROLSPage Setting up typical icomfortt systemsTable of Contents Figure 1. icomfort by Lennoxt system SupportsOutdoor Temperature Sensor option Installation and Setup Change settings Figure 3. Settings change toolsDealer Number Figure 4. EnteringCirculate fan ON time setting Table 1. System setting defaults and rangeSet time and date 09 39 amFigure 5. View/edit time and date Figure 6. Set current time and dateFigure 7. Using the Add or Remove Non−communicating equipment HUMIDITY CONTROL TIPSAdd Non−Communicating Outdoor unit Figure 8. Add non−communicating devicered settings System5a 5b Figure 9. Add or remove non−communicating deviceSystem HumidifierFigure 10. Add or remove non−communicating device SystemDehumidifier DehumidifierAdjust a setting screen communicating devices Figure 11. Adjust communicating device screensG71MPP or SLP98 Furnace Note Figure 12. Accessing device to modifyFigure 13. Modify device settings Figure 14. Adjust a non−communicating device setting Figure 15. Adjust a non−communicating device setting Figure 16. Adjust dehumidification when not using Humiditrol or an auxiliary dehumidifier DEHUMIDIFICATION modes Humidification and Dehumidification ModesHUMIDIFICATION modes Use the Tests / Diagnostics features Figure 17. Start testing screenFigure 18. Select tests to run screen Figure 19. Typical tests results screensEquipment, Alerts, Diagnostics Set up Equipment parametersFigure 20. Testing finished screen Figure 21. Equipment parameters screenRun Diagnostics Figure 22. Edit equipment detailsFigure 23. Select device and run diagnostics View and clear Installer AlertsFigure 25. Cleared alert confirmation View cleared alertsFigure 24. Selecting and viewing alerts Figure 26. Cleared alerts screenFigure 27. Wi−Fi setup Secure Connection RecommendedSTART HEREFigure 28. Change Networks Registering the icomfort Wi-FitthermostatRegistration for online access Figure 30. icomfort Wi-FitRegistration screen Welcome home How Do I Upload a Skin?Figure 31. PC Welcome Screen Wi-FitTherAccess installer program from Home screen yes noReconfigure a system Figure 34. Re−configuration process2nd Stage Differential where applicable2 Smooth Setback Recovery SSR Rules for SSRHeat Pump, Dual Fuel and Balance Points Heat Pump Balance PointsLow Balance Point High Balance PointShut down HP Figure 36. Variable Capacity Operation Flow Chart Gas Heat Control ModeStaged operation Table 2. Variable Capacity Furnace OperationLoad−tracking Variable Capacity FAQs SLP98V only Table 3. Adjustable Parameters Table Installer Installer entryTable 3. Adjustable Parameters Table Installer Lock in 2nd stage HP by Outdoor TempTable 3. Adjustable Parameters Table Installer AIR HANDLERFURNACE Gas Heat Airflow SettingsTable 3. Adjustable Parameters Table Installer Table 3. Adjustable Parameters Table Installer Cooling Airflow SettingsHeat Pump Airflow Settings Other Parameters Table 3. Adjustable Parameters Table InstallerTable 4. Adjustable Parameters Table User Filter 1 Timer Table 5. Alert Codes and Troubleshooting Table 5. Alert Codes and Troubleshooting AlertTable 5. Alert Codes and Troubleshooting AlertTable 5. Alert Codes and Troubleshooting AlertTable 5. Alert Codes and Troubleshooting AlertTable 5. Alert Codes and Troubleshooting AlertTable 5. Alert Codes and Troubleshooting AlertTable 5. Alert Codes and Troubleshooting AlertTable 5. Alert Codes and Troubleshooting AlertHomeowner Service Alert Codes8 Table 5. Alert Codes and TroubleshootingTable 6. Troubleshooting Tips Issue / ProblemPossible Cause Corrective Action / CommentsTable 6. Troubleshooting Tips High Balance Point and Low BalTable 6. Troubleshooting Tips Determine the actual Software verTable 6. Troubleshooting Tips During the cooling mode the disWiring Diagrams icomfortt Communicating System WiringWiring Diagrams icomfort by Lennoxt AIR HANDLER AHCOptional Accessories Wiring for use with any icomfort by Lennoxt systemLVCS Ventilation Control System Optional Accessories Wiringfor use with any icomfort by Lennoxt system attached to the PUSHBUTTON Setting up typical systems TIPSTIPS TIPS Setting up typical systemsT PUMP DUAL FUELTIPS Setting up typical systems TIPSTIPS Setting up typical systemsT PUMP UNITS TIPSTIPS Table 7. Replacement Controls REVISION HISTORYicomfortt−Enabled Unit Replacement Kit Catalog No