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Manual Lennox International Inc. XC2105

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  • Lennox International Inc. XC2105 - page 1

    09/12 506920−01 *2P0912* *P506920-01*  2012 Lennox Industries Inc. Dallas, T exas, USA indoor temperature indoor humidity is 41% fan is OFF fan is AUTO cool−to set temp 75 heat to 72 heat or cool fan is AUTO away mode outdoor temperature 80 system is cooling 9:39 am Aug 15, 2012 Wi−Fi THIS MANUAL MUST BE LEFT WITH THE HOMEOWNER FOR FUTURE ...

  • Lennox International Inc. XC2105 - page 2

    506920−01 09/12 Page 2 T able of Content s Page T echnical Description/Features 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation and Setup 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . System Settings screen 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Lennox International Inc. XC2105 - page 3

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 3 icomfort Wi-Fi  Thermost at − T echnical Description and Features The 24V AC icomfort Wi-Fi  thermostat (figure 1) is an electronic communi- cating, color display touchscreen, 7−day programmable thermostat. It stores system parameters and settings in nonvolatile memor ...

  • Lennox International Inc. XC2105 - page 4

    506920−01 09/12 Page 4 Inst allation and Setup IMPOR T ANT! Make sure the router is capable of, and set to operate in wireless network b" mode. Check router utility program or contact service provider for help. When determining the location for the Wi−Fi ther- mostat, be sure it is in an area near enough to the homeowner’s Wi−Fi rou ...

  • Lennox International Inc. XC2105 - page 5

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 5 Circulate Fan ON Time Range is 15 to 50 % Default is 35, inc: 1 cancel save set−to 45% up/down arrows radio buttons Not Installed 1 S tage A/C Unit 2 S tage A/C Unit 1 S tage HP Unit 2 S tage HP Unit Select one Out door Unit T ype cancel save Dealer Name keyboard tool Figure ...

  • Lennox International Inc. XC2105 - page 6

    506920−01 09/12 Page 6 Circulate fan ON time setting NOTE − If the circulate fan mode is on, a timer is set to measure all the time that the fan is blowing, regardless if it is running to deliver heating or cooling or just for circulation. Circulate" is enabled on the user’s home screen or system settings page. It keeps air circulatin ...

  • Lennox International Inc. XC2105 - page 7

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 7 Set time and date Us e the arrows to select Time and Date; press edit (see figure 5 ) to proceed to the Set current time and date" screen (figure 6). system settings T o adjust a setting, highlight it, then press Edit 9:39 am Aug 15, 2012 edit next back current value: 9 ...

  • Lennox International Inc. XC2105 - page 8

    506920−01 09/12 Page 8 Use about" screen & access Add or Remove Non−communicating equipment" screen The about" screen shows details of discovered installed equipment. From the system devices" screen, use arrow buttons to scroll to a device; then press the about button. Use the up/down arrows to scroll through ...

  • Lennox International Inc. XC2105 - page 9

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 9 Add or Remove Non−communicating equipment Figure 7 (previous page) shows how to access the Add or Remove Non− communicating equipment" screen. Adding Non−Communicating O ut door unit  See figure 8 for details for adding/removing an outdoor unit. Adding Humidifi ...

  • Lennox International Inc. XC2105 - page 10

    506920−01 09/12 Page 10 Add Non−Communicating Outdoor unit System Devices Add or Remove Non−communicating equipment? yes next back 1 non−communicating device list Not Installed current value: back edit Not Installed 1 S tage A/C Unit 2 S tage A/C Unit 1 S tage HP Unit 2 S tage HP Unit Select one Out door Unit T ype cancel save T o add (or r ...

  • Lennox International Inc. XC2105 - page 11

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 1 1 Add (or Remove) Humidifier (skip if no humidifier is being used) NOTE − Adding humidity regulating non−communicating devices may be a 2−step procedure : 1st , the device must be installed (this page; af ter the humidifier is installed, the operation mode defaults to  ...

  • Lennox International Inc. XC2105 - page 12

    506920−01 09/12 Page 12 Add (or Remove) Humiditrol ® or Auxiliary Dehumidifier (skip if no dehumidifying device is being used) Before adding a dehumidifier, be sure that:  the dehumidifier is wired to the furnace or air handler control as shown on the Option- al Accessories wiring diagram (see Page 61),  the entire system is wired, powered ...

  • Lennox International Inc. XC2105 - page 13

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 13 Adjust a setting screen (communicating devices) Use arrows to select a device from the system devices" list; then use the about button to view information (shown on Page 8) about communicating devices (information about other devices is not available). Use resetAll but ...

  • Lennox International Inc. XC2105 - page 14

    506920−01 09/12 Page 14 Use the up/down arrows to scroll through the device’s settings. The current setting will be displayed on the right−hand side of the screen (figure 12). For example, current value: disabled . Press edit if you want to modify that setting, or press back to return to the previous screen. A vailable settings for the device ...

  • Lennox International Inc. XC2105 - page 15

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 15 Adjust a setting... Configure Humidifier (skip if no humidifier is being used or if humidifier is being used and default Basic" humidification mode is desired) System Devices edit about T o adjust a setting, highlight it, then press Edit System resetAll next back 1a 1b ...

  • Lennox International Inc. XC2105 - page 16

    506920−01 09/12 Page 16 Adjust a setting... Configure Humiditrol ® or Auxiliary Dehumidifier edit about T o adjust a setting, highlight it, then press Edit System reinst all edit reset Dehumidification Control Mode current value: back Midpoint Overcooling Pre−adjustment REQUIREMENTS: 1st , the device has been installed (see Page 12). 2nd , fro ...

  • Lennox International Inc. XC2105 - page 17

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 17 Adjust a setting... Configure Dehumidification (no dehumidifying device installed) (skip if default Basic" dehumidification mode is desired) edit about T o adjust a setting, highlight it, then press Edit reinst all next back edit reset Dehumidification Control Mode cur ...

  • Lennox International Inc. XC2105 - page 18

    506920−01 09/12 Page 18 Humidification and Dehumidification Modeshow they work HUMIDIFICA TION modes BASIC & PRECISION These modes allow user control of RH between 15 and 45%. These conditions must be met for either mode to operate:  humidification mode has been enabled, and  the unit is in HEA T mode, and  humidification deman ...

  • Lennox International Inc. XC2105 - page 19

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 19 Use the T ests / Diagnostics features NOTE − T est mode lasts for 30 minutes (with the temperature updating every 30 seconds) except for the defrost test, which lasts 30 seconds. T ests fea- ture provides the technician time to manually verify the equipment operation. The te ...

  • Lennox International Inc. XC2105 - page 20

    506920−01 09/12 Page 20 After pressing next after the final test, the T esting finished" screen will ap- pear (figure 20). At this point, use the EXIT button (if you have completed the required setup), or use diagnostics button (to analyze the system), or use equipment button (if you wish to make any changes to device details). 9:39 am Au ...

  • Lennox International Inc. XC2105 - page 21

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 21 9:39 am Aug 15, 2012 system devices equipment test s setup edit back resetAll current value: 400 Low Heating Airflow Equipment Name Heating Airflow Control Type Low Heating Airflow High Heating Airflow High Cooling Airflow Airflow Profile − Cooling High HP Airflow Continuous ...

  • Lennox International Inc. XC2105 - page 22

    506920−01 09/12 Page 22 Press done when finished with the information. Select another device to diagnose or use EXIT (to close and go to user Home screen) if finished. 9:39 am Aug 15, 2012 select a device: current selection: Furnace st art EXIT equipment diagnostics test s alerts setup Heat Pump Furnace DIAGNOSTICS Furnace 9:39 am Aug 15, 2012 He ...

  • Lennox International Inc. XC2105 - page 23

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 23 System Devices equipment diagnostics test s alerts setup System Furnace Thermostat system and device alerts 9:39 am Aug 15, 2012 EXIT view active deselect all select all view cleared alert description equipment test s setup active alerts 9:39 am Aug 15, 2012 back ALERT 1 of 5 ...

  • Lennox International Inc. XC2105 - page 24

    506920−01 09/12 Page 24 Enable the thermostat’s Wi-Fi feature from the Home screen press any line to edit it connect password security is WP A2 network name (SSID) type the network security key or passphrase for (locked Wi−Fi Access Point [AP]) network security key or passphrase press here to enter network name press here to enter Wi−Fi AP ...

  • Lennox International Inc. XC2105 - page 25

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 25 Registering the icomfort Wi-Fi  thermostat From NETWORK SETTINGS screen, you can change to the desired net- work as s ho w n i n f i gure 28. Enter security key or passphrase. X" back to the WI−FI SETTINGS screen. choose a wireless network add new network NETWKB N ...

  • Lennox International Inc. XC2105 - page 26

    506920−01 09/12 Page 26 Personal Computer account registration for icomfort Wi-Fi  server NOTE − This following information is customer setup in- structions and is shown here to allow the inst aller to help walk the customer through the setup process. After reg ist er ing through your icomfort Wi-Fi  thermostat i n- terface, go to the hom ...

  • Lennox International Inc. XC2105 - page 27

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 27 Personal Computer W elcome p age; Interactive Demo; Online icomfort information; Using Gelaskins Figure 31. PC Welcome Screen Welcome home. Access all the great Wi−Fi enabled features on your icomfort ® thermostat from our secure web portal. After signing in, you´ll be abl ...

  • Lennox International Inc. XC2105 - page 28

    506920−01 09/12 Page 28 Access inst aller program from Home screen T o access the installer program after the unit has been placed in operation an d the user home screen is displayed, press the Lennox" logo and hold for 5 seconds (see figure 32). The system will access the installer screens. indoor temperature indoor humidity is 41% fan i ...

  • Lennox International Inc. XC2105 - page 29

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 29 Reconfigure a system If any component of the HV AC system has been changed, e.g. replacing an outdoor sensor , reconfiguring the system will be required. T o begin reconfi- guring a system (after you have accessed the program from the Lennox logo [previous page]), press the se ...

  • Lennox International Inc. XC2105 - page 30

    506920−01 09/12 Page 30 S t age Delay & Differential Settings (Installer settings) 1st S t age Differential1 Stage 1 dif ferential is used in all thermostats. T he default is 1.0°F but can be programmed between 0.5° and 3.0°F in 0.5°F in- crements. From the equipment button, use the arrows to select 1st Stage Dif ferential. Press edit ...

  • Lennox International Inc. XC2105 - page 31

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 31 Smooth Setback Recovery (SSR) SSR is an algorithm designed to smoothly" reach a occupied program schedule setpoint. The algorithm looks 2 hours ahead for the occupied pro- gram schedule period’s setpoint. If the occupied setpoint requires the sys- tem to turn on (pre ...

  • Lennox International Inc. XC2105 - page 32

    506920−01 09/12 Page 32 Heat Pump, Dual Fuel and Balance Point s IMPOR T ANT − The Balance Points feature requires that a sensed out- door temperature is provided to the thermostat. This can be either a connection to Wi−Fi (for local temperature information) or a connection to an outdoor sensor (included in all communicating icomfort t −en- ...

  • Lennox International Inc. XC2105 - page 33

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 33 Abbreviations: FURN = auxiliary heat provided by gas furnace HP = compressor heat LBP = Low Balance Point HBP = High Balance Point T’stat = thermostat Shut down FURN S tg1...S tg 2 Operate HP S tg 1...S tg 2 at or below LBP FURN heat lockout HP stage(s) operate first; then F ...

  • Lennox International Inc. XC2105 - page 34

    506920−01 09/12 Page 34 Gas Heat Control Mode NO NO YES YES YES NO NO YES YES NO NO YES YES NO YES NO Continue at starting firing rate T’stat demand satisfied ? Starting firing rate as determined by variable capacity algorithm (35 to 100%) Differential less than 2nd stage differential ? T’stat demand satisfied ? T’stat demand satisfied ? Fi ...

  • Lennox International Inc. XC2105 - page 35

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 35 V ariable Cap acity Control of Gas Heat Mode (G71MPP and SLP98V) The thermostat includes a feature that provides variable capacity control of the gas heat mode. The purpose of variable capacity control is to keep the room temperature at, or near , the desired setpoint with min ...

  • Lennox International Inc. XC2105 - page 36

    506920−01 09/12 Page 36 Load−tracking V ariable Cap acity F AQs (SLP98V only) What is Load−tracking V ariable Cap acity? When an SLP98 Furnace is connected t o an icomfort Wi−Fi  thermostat , the thermostat takes complete charge of the variable capacity staging of the furnace. Load − tracking V ari- able Capacity is only available with ...

  • Lennox International Inc. XC2105 - page 37

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 37 T able 3. Adjust able Parameters T able (Inst aller) Parameter Name: Default Parameter V alue Setting Increment Inst aller entry System (Go to equipment button and scroll to System) NOTE − All of the following changes are made on the stat. Equipment Name  (keyboard input ...

  • Lennox International Inc. XC2105 - page 38

    506920−01 09/12 Page 38 T able 3 . Adjust able Parameters T able (Inst aller) Parameter Name: Installer entry Increment Parameter V alue Setting Default Lock in 2nd stage HP by Outdoor T emp Off Of f, 40ºF (4ºC), 45ºF (7ºC), 50ºF (10ºC), 55ºF (13ºC)  Balance Point Control Disabled Enabled, Disabled  Humiditrol Comfort Adjust Maximum ...

  • Lennox International Inc. XC2105 - page 39

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 39 T able 3 . Adjust able Parameters T able (Inst aller) Parameter Name: Installer entry Increment Parameter V alue Setting Default AIR HANDLER Equipment Name Air Handler (keyboard input screen)  Electric Heating Airflow nnnn CFM (See Note 3 at end of table) NOTE: CFM Default ...

  • Lennox International Inc. XC2105 - page 40

    506920−01 09/12 Page 40 T able 3 . Adjust able Parameters T able (Inst aller) Parameter Name Default Min. Max. Incr . Dependency Note Inst aller entry FURNACE Heating indoor blower OFF delay DIP SW 60 180 10 None DIP switch setting in Non−comm. Heating indoor blower ON delay 45 sec 15 45 5 None 45 sec fixed in Non− Comm. IFC Cooling indoor bl ...

  • Lennox International Inc. XC2105 - page 41

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 41 T able 3 . Adjust able Parameters T able (Inst aller) Parameter Name Installer entry Note Dependency Incr . Max. Min. Default Cooling Airflow Settings High Cooling Airflow (CFM @ 100% cool) OU tons 400CFM Min CFM Max CFM 25 Outdoor Unit present 1/2 HP blower Min CFM Max CFM 25 ...

  • Lennox International Inc. XC2105 - page 42

    506920−01 09/12 Page 42 T able 3 . Adjust able Parameters T able (Inst aller) Parameter Name Installer entry Note Dependency Incr . Max. Min. Default Other Parameters Equipment Name Furnace N/A N/A N/A None Up to 35 characters Continuous Indoor Blower Airflow DIP SW (See Note 3 at end of table) Min CFM Max CFM 25 None 1/2 HP blower Min CFM Max CF ...

  • Lennox International Inc. XC2105 - page 43

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 43 T able 4. Adjust able Parameters T able (User) Parameter Name: Default Parameter V alue Setting Increment Inst aller entry Time and Date *  (Time/date elements screen)  Daylight Saving Time * Enabled Enabled, Disabled  Fan auto auto, on, circulate  System Name  ...

  • Lennox International Inc. XC2105 - page 44

    506920−01 09/12 Page 44 T able 4 . Adjust able Parameters T able (User) Parameter Name: Installer entry Increment Parameter V alue Setting Default Filter 1 T imer Disabled Disabled, 3 Months, 6 Months, 12 Months, 24 Months, Custom Time  Filter 1 Timer Disabled Disabled, 3 Months, 6 Months, 12 Months, 24 Months, Custom Time  Humidifier Pad T ...

  • Lennox International Inc. XC2105 - page 45

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 45 T able 5. Alert Codes and T roubleshooting Critical alerts are displayed on Home (user) screen, in the Homeowner alert button, and in the Installer alert button. Minor and Moderate alerts are found only in the Installer alert button. Alert Code Priority Alert T ext Step s to c ...

  • Lennox International Inc. XC2105 - page 46

    506920−01 09/12 Page 46 Critical alerts are displayed on Home (user) screen, in the Homeowner alert button, and in the Installer alert button. Minor and Moderate alerts are found only in the Installer alert button. T able 5 . A lert Codes and T roubleshooting Alert Code Step s to clear Alert T ext Priority 34 Critical (Stat) The thermostat does n ...

  • Lennox International Inc. XC2105 - page 47

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 47 Critical alerts are displayed on Home (user) screen, in the Homeowner alert button, and in the Installer alert button. Minor and Moderate alerts are found only in the Installer alert button. T able 5 . A lert Codes and T roubleshooting Alert Code Step s to clear Alert T ext Pr ...

  • Lennox International Inc. XC2105 - page 48

    506920−01 09/12 Page 48 Critical alerts are displayed on Home (user) screen, in the Homeowner alert button, and in the Installer alert button. Minor and Moderate alerts are found only in the Installer alert button. T able 5 . A lert Codes and T roubleshooting Alert Code Step s to clear Alert T ext Priority 180 Critical (Furnace / Air Handler / Ou ...

  • Lennox International Inc. XC2105 - page 49

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 49 Critical alerts are displayed on Home (user) screen, in the Homeowner alert button, and in the Installer alert button. Minor and Moderate alerts are found only in the Installer alert button. T able 5 . A lert Codes and T roubleshooting Alert Code Step s to clear Alert T ext Pr ...

  • Lennox International Inc. XC2105 - page 50

    506920−01 09/12 Page 50 Critical alerts are displayed on Home (user) screen, in the Homeowner alert button, and in the Installer alert button. Minor and Moderate alerts are found only in the Installer alert button. T able 5 . A lert Codes and T roubleshooting Alert Code Step s to clear Alert T ext Priority 275 Critical (Furnace) The furnace flame ...

  • Lennox International Inc. XC2105 - page 51

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 51 Critical alerts are displayed on Home (user) screen, in the Homeowner alert button, and in the Installer alert button. Minor and Moderate alerts are found only in the Installer alert button. T able 5 . A lert Codes and T roubleshooting Alert Code Step s to clear Alert T ext Pr ...

  • Lennox International Inc. XC2105 - page 52

    506920−01 09/12 Page 52 Critical alerts are displayed on Home (user) screen, in the Homeowner alert button, and in the Installer alert button. Minor and Moderate alerts are found only in the Installer alert button. T able 5 . A lert Codes and T roubleshooting Alert Code Step s to clear Alert T ext Priority 354 Critical (Air Handler) There is a pr ...

  • Lennox International Inc. XC2105 - page 53

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 53 Critical alerts are displayed on Home (user) screen, in the Homeowner alert button, and in the Installer alert button. Minor and Moderate alerts are found only in the Installer alert button. T able 5 . A lert Codes and T roubleshooting Alert Code Step s to clear Alert T ext Pr ...

  • Lennox International Inc. XC2105 - page 54

    506920−01 09/12 Page 54 Critical alerts are displayed on Home (user) screen, in the Homeowner alert button, and in the Installer alert button. Minor and Moderate alerts are found only in the Installer alert button. T able 5 . A lert Codes and T roubleshooting Alert Code Step s to clear Alert T ext Priority 418 Moderate (Outdoor Unit) There is a f ...

  • Lennox International Inc. XC2105 - page 55

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 55 T able 6. T roubleshooting Tip s Bold text indicates a button, or text display on the thermostat. No. Issue / Problem Possible Cause Corrective Action / Comments 1 − No electric heat operation. − The thermostat system setting does not offer a emerg. heat choice on an HP sy ...

  • Lennox International Inc. XC2105 - page 56

    506920−01 09/12 Page 56 Bold text indicates a button, or text display on the thermostat. T able 6. T roubleshooting T ips No. Corrective Action / Comments Possible Cause Issue / Problem 6 High Balance Point and Low Bal- ance Point are not listed as a menu item to adjust the setpoint on the ther- mostat of the heat pump system. Balance Point Contr ...

  • Lennox International Inc. XC2105 - page 57

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 57 Bold text indicates a button, or text display on the thermostat. T able 6. T roubleshooting T ips No. Corrective Action / Comments Possible Cause Issue / Problem 12 Determine the actual Software ver- sion of the thermostat or one of the icomfort unit controls. icomfort softwar ...

  • Lennox International Inc. XC2105 - page 58

    506920−01 09/12 Page 58 Bold text indicates a button, or text display on the thermostat. T able 6. T roubleshooting T ips No. Corrective Action / Comments Possible Cause Issue / Problem 18 During the cooling mode the dis- played air volume on the indoor con- trol is substantially lower than ex- pected. The system may be following the cooling r ...

  • Lennox International Inc. XC2105 - page 59

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 59 Wiring Diagrams icomfort  Communicating System Wiring icomfort by Lennox  FURNACE (IFC) OR AIR HANDLER (AHC) icomfort Wi-Fi  THERMOST A T icomfort by Lennox  OUTDOOR AIR CON- DITIONING OR HEA T PUMP UNIT OPTIONAL OUT- DOOR AIR SENSOR (SEE OAS NOTE) OPTIONAL DIS- CH ...

  • Lennox International Inc. XC2105 - page 60

    506920−01 09/12 Page 60 Wiring Diagrams icomfort  Communicating Indoor/non−Communicating Outdoor System Wiring icomfort Wi-Fi  Thermostat icomfort by Lennox  Air Handler S tandard Outdoor Heat Pump ST ANDARD OUTDOOR HEA T PUMP UNIT − 1 OR 2 ST AGE icomfort by Lennox  AIR HANDLER (AHC) icomfort Wi-Fi  THERMOST A T icomfort by Le ...

  • Lennox International Inc. XC2105 - page 61

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 61 Optional Accessories Wiring for use with any icomfort by Lennox  system icomfort by Lennox  SLP98 & G71MPP FURNACE (IFC) OR AIR HANDLER (AHC) icomfort Wi-Fi  THERMOST A T DISCHARGE AIR SEN- SOR (REQUIRED FOR EVEN HEA T) (SEE DAS NOTE Page 59) NOTE: icomfort Wi-Fi ...

  • Lennox International Inc. XC2105 - page 62

    506920−01 09/12 Page 62 Optional Accessories Wiring for use with any icomfort by Lennox  system icomfort Wi-Fi  Thermostat RSBus L VCS V entilation Control System icomfort by Lennox  Furnace or Air Handler HEP A Bypass Filter X2680 HEP A Interlock Kit Pass indoor blower motor common wire through cur- rent loop. See HEP A In- terlock Kit ...

  • Lennox International Inc. XC2105 - page 63

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 63 Thermost at wire te rmination in communicating system Indoor Unit Controller Outdoor Unit icomfort Wi-Fi  thermostat Single wire to terminal C Single wire to terminal C Unused wires Unused wires Communicating systems using the icomfort Wi-Fi  thermostat requ ire four the ...

  • Lennox International Inc. XC2105 - page 64

    506920−01 09/12 Page 64 Configuring heat strip s on Air Handler Control (AHC) IMPORT ANT : Af ter electric heat strips are installed, the Air Handler Control (AHC) must be manually configured to detect the number of electric heat sections. (SEE ALSO 506181−01 for complete configuration guide.) T o configure the heat strips so that they will be ...

  • Lennox International Inc. XC2105 - page 65

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 65 Setting up typical systemsFURNACE & AIR CONDITIONING UNIT icomfort  −enabled furnace & icomfort  −enabled air conditioner An icomfort−enabled gas furnace (G71MPP , EL296V , SLP98, SL280) with an icomfort−enabled AC (XC17 or XC21 only) unit. 1. Wiring ? ...

  • Lennox International Inc. XC2105 - page 66

    506920−01 09/12 Page 66 icomfort  −enabled furnace & non−communicating air conditioner An icomfort−enabled gas furnace (G71MPP , EL296V , SLP98, SL280) with a conventional non−communicating air conditioner . 1. Wiring See Communicating Indoor/Non−Communicating Out- door System Wiring diagram on Page 59 and Optional Accessories ...

  • Lennox International Inc. XC2105 - page 67

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 67 Setting up typical system sFURNACE & HEA T PUMP (DUAL FUEL) icomfort  −enabled Furnace & icomfort  −enabled HP unit (Dual fuel) Dual fuel system using an icomfort−enabled gas furnace (G71MPP , EL296V , SLP98, SL280) with an icomfort−enabled heat pump ( ...

  • Lennox International Inc. XC2105 - page 68

    506920−01 09/12 Page 68 Setting up typical systemsAIR HANDLER & AIR CONDITIONER icomfort  −enabled Air Handler & icomfort  −enabled Air Conditioner An icomfort−enabled air handler (CBX32MV or CBX40UHV) with an icom- fort−enabled air conditioner (XC17 or XC21 only). NOTE − IMPORT ANT! Be sure to configure the air handler ...

  • Lennox International Inc. XC2105 - page 69

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 69 icomfort  enabled Air Handler & conventional non−communicating Air Conditioner An icomfort air handler (CBX32MV or CBX40UHV) with a conventional non− communicating AC unit. NOTE − IMPOR TANT! Be sure to set up the air handler control for heat strips (if used) prio ...

  • Lennox International Inc. XC2105 - page 70

    506920−01 09/12 Page 70 Setting up typical systemsAIR HANDLER & HEA T PUMP UNITS icomfort  −enabled Air Handler & icomfort  −enabled Heat Pump unit An icomfort air handler (CBX32MV or CBX40UHV) with an icomfort−enabled heat pump (XP17 or XP21 only) unit. NOTE − IMPOR TANT! Be sure to set up the air handler control for hea ...

  • Lennox International Inc. XC2105 - page 71

    icomfort Wi-Fi  7−Day Programmable Communicating Thermostat Page 71 icomfort  −enabled Air Handler & conventional non−communicating Heat Pump unit An icomfort air handler (CBX32MV or CBX40UHV) with a conventional non− communicating heat pump unit. NOTE − IMPOR TANT! Be sure to set up the air handler control for heat strips (if u ...

  • Lennox International Inc. XC2105 - page 72

    506920−01 09/12 Page 72 T able 7. Replacement Controls The following kits have been set up for replacement of the icomfort  −enabled controls. Please note that control kits are unit− and revision−specific. icomfort  −Enabled Unit Replacement Kit Cat alog No. Control Part No. G71MPP (rev . 03 or later) 65W69 605341−01 SLP98 (rev . ...

Manufacturer Lennox International Inc. Category Thermostat

Documents that we receive from a manufacturer of a Lennox International Inc. XC2105 can be divided into several groups. They are, among others:
- Lennox International Inc. technical drawings
- XC2105 manuals
- Lennox International Inc. product data sheets
- information booklets
- or energy labels Lennox International Inc. XC2105
All of them are important, but the most important information from the point of view of use of the device are in the user manual Lennox International Inc. XC2105.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Lennox International Inc. XC2105, service manual, brief instructions and user manuals Lennox International Inc. XC2105. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Lennox International Inc. XC2105.

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A complete manual for the device Lennox International Inc. XC2105, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Lennox International Inc. XC2105 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Lennox International Inc. XC2105.

A complete Lennox International Inc. manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Lennox International Inc. XC2105 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Lennox International Inc. XC2105, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Lennox International Inc. XC2105, that we can find in the current document
3. Tips how to use the basic functions of the device Lennox International Inc. XC2105 - which should help us in our first steps of using Lennox International Inc. XC2105
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Lennox International Inc. XC2105
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Lennox International Inc. XC2105 in a specific country, if it was not possible to solve the problem on our own.

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