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Konica Minolta 70 Digital Camera User Manual

1. 48G95 RELAY dINODA IVAH l o ee 5 e HUMIDIFIER HVAC EQUIPMENT AUXILIARY HCWB2 HCWB3 HCWP3 DEHUMIDIFIER 24VAC 6 BYPASS AUXILIARY DEHUMIDIFIER 090 amp 135 HUMIDIFIER capacities only 065 not compatible 120VAC icomfort by Lennox SL280 EL296 FURNACE HRV2 ERV2 WIRING OW HAM 4989 40 34 a a THERMOSTAT Maximum total length of all connec tions on the RSBus is limited to 1500ft Wire gauge of HRV3 OR ERV3 HRV2 OR ERV2 RSBus wire is 18 T10 N C PURPLE 3 T11 COM RED L T12 N O GREEN WHITE YELLOW RED C OUTDOOR UNIT i icomfort Wi Fi i thermostat R x INDOOR UNIT e T GREEN WHITE YELLOW NOTE 24V UV LIGHT APPLICATIONS In an icomfort by Lennox system neither furnace nor air handler transformer will have adequate VA to power 24V UV light applications An additional transformer for UV light applications is re quired UV light wiring con nections are independent of OTHER 420VAC EAC OUTPUT IS HUMIDIFIER HVAC system operation see u UV light installation instruc i ZOVAC AIR ENERGIZED ANYTIME tong CLEANER BLOWER IS RUNNING a icomfort enabled outdoor unit
2. BLACK QYSYSV NNS OUTDOOR UNIT OOOO O0OOO Qo a 52 Q QQ HUMIDITROL EDA L1 120vAC N HUMIDIFIER S 420vac 120VAC HUM OUTPUTIS y HUMIDIFIER ENERGIZED ANYTIME HUMIDITY DEMAND IS PRESENT 120VAC TERMINALS EAC HUM FURNACE ONLY SESE Q Optional Accessories Wiring for use with any icomfort by Lennox system icomfort by Lennox i icomfort by Lennox SLP98 amp G71MPP FURNACE LVCS Ventilation Contro icomfort by iomon by 2 STAGE FURNACE IFC OR AIR HANDLER AHC Lennox GH a Lennox D C Furnace or i l Outdoor Air Air Handler Conditioning or Heat Pump CUT S6L68 O R DS rolje W914 t DISCHARGE AIR SENSOR icomfort Wi Fi Thermostat S4 S4 S4 SOJ OUTDOOR AIR SENSOR OUTDOOR UNIT CONDENSATE POWER COMPANY INTERRUPTION r2 li r2 OVERFLOW V gavat LVCS SWITGA SYSTEMS ARE WIRED SAME AS I R SWITCH TRANSFORMER OVERFLOW SWITCH a OUTDOOR INDOOR ene 5 TEMP Standard 1 BLOWER DAMPER SEROR Ean or 2 stage POWER INDOOR AC or HP OOO BLOWER CONDENSATE unit p5 GURRENT OVERFLOW
3. Figure 17 Start testing screen To run all of the tests press select all All boxes in the list of tests will be checked Or touch box es next to test s to run certain tests After the tests have been started the screen will describe which test is run ning and shows a diagnostic summary of each test see figure 19 After re viewing the results and concluding that no further tests are needed press next to proceed to next test The technician must verify that the test proce dure is producing the desired result at the equipment Page 19 select tests to run Blower M HP Heat 1st Stage HP Heat 2nd Stage O Cooling 1st Stage O Cooling 2nd Stage O Dehumidification O Gas Heat Minimum Rate O Gas Heat Maximum Rate O Humidification deselect all current test Blower Check Blower Operation eating Ra Blower CFM Demand Blower Off Delay Blower On Delay Indoor Blower RPM Indoor Blower Power 0 0000 Flame Current 0 000mA Flame Sense Outdoor Temperature 9 39 am Aug 15 2012 Figure 19 Typical tests results screens icomfort Wi Fi 7 Day Programmable Communicating Thermostat After pressing next after the final test the Testing 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 The Testing
4. Touch one of the radio buttons 3a to select the type of humidifier or select Not Installed if removing humidifier press save 3b The previous screen returns but the current value now shows your selection 4a Press the back 4b button The Add or Remove screen reappears with your addition shown in the system devices list 5a At this point you may add more equipment press yes or if finished press the next 5b button to advance to the Adjust a setting screen see page 15 If you want other than the default Basic mode of operation Configure the humidifier as described on Page 15 Add or Remove Non communicating equipment system devices Heat Pump Furnace Thermostat Bypass 24VAC aC 9 39 am Aug 15 2012 Figure 9 Add or remove non communicating device HUMIDIFIER Page 11 icomfort Wi Fi 7 Day Programmable Communicating Thermostat Add or Remove Humiditrol or Auxiliary Dehumidifier skip if no dehumidifying device is being used Before adding a dehumidifier be sure that NOTE Adding humidity regulating non communicating devices may be a 2 step procedure e the dehumidifier is wired to the furnace or air handler control as shown on the Option 1st the device must be installed this page after the dehumidifier is installed the opera al Accessories wiring diagram see Page 61 tion mode defaults to Basic e the entire system is wired
5. Page 30 Smooth Setback Recovery SSR Rules for 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 present temperature below the heat setpoint or above the cool setpoint then SSR will calculate a new setpoint Once initiated SSR monitors the change in room temperature and calculates a new setpoint ev ery 30 seconds Then SSR provides this new setpoint for the heating and cooling algorithms the new setpoint will be displayed on the User Interface 1 2y 3 SSR is enabled when Smooth Setback Recovery is set to enabled and the program schedule is turned on When SSR is enabled then it will check for a new setpoint every 30 seconds The SSR Target Program Schedule setpoint is always 2 hours ahead 4 When SSR starts then the Current SSR setpoint will equal the current 10 SSR does NOT control the equipment 12 13 14 15 16 Page 31 program schedule setpoint When a new program schedule period starts then the New SSR set point will equal the new program schedule period s setpoint unless there are two or more program periods within the 2 hour window In this case SSR will track the highest heat setpoint or the lowest cool set point found in the 2 hour window SSR will NOT run during a program sch
6. s firing rates can be incremented by as little as 1 35 to 100 range available as the thermostat may dictate Page 35 The thermostat monitors room temperature previous heat cycle times and target setpoint to determine the starting firing rate and any required firing rate increases or decreases during the thermostat demand During a heat demand the icomfort thermostat monitors the differential be tween setpoint and room temp As this differential increases and reaches field adjustable levels stages the thermostat will increase firing rate ac cordingly to maintain room temperature and ultimately satisfy the heat de mand On the next heat cycle the icomfort stat will calculate a new starting firing rate in 1 increments with the goal of maintaining room temperature at or near thermostat setpoint with a minimum of system cycling The prin ciples of operation are described in figure 36 and table 2 Table 2 Variable Capacity Furnace Operation T stat Demands Operation None Furnace is off First level heat de mand 1 Furnace BTU rate is calculated by the icomfort integrating al gorithm 2 Furnace firing rate will continue at current heating rate until first stage demand is satisfied or an additional thermostat de mand is received Second level heat demand added Thermostat will immediately increase variable capacity fur nace firing rate to the calculated BTU percentage represent ing the seco
7. 5 Use arrows 5a to make changes press save 5b Change other red settings if present using a similar process NOTE If the defaults are correct you do not have to make any changes but you must press save 5b When all red text is gone the back button will appear press it to return to the Add or Remove Non communicating equipment screen 1 System Devices Add or Remove 1 Non communicating equipment yes System Furnace to add remove adjust a device select it then press edit non communicating device list Outdoor Unit Type Humidifier Dehumidifier current value Not Installed Outdoor Unit Type Select one to add remove adjust a device Not Installed non communicating device list 5 select it then press edit 2 Stage A C Unit Outdoor Unit Type 2 Stage HP Unit Outdoor Unit Capacity A nae in gt P tage nit Outdoor Unit 1st Stage Capacity Outdoor Unit Capacity Humidifier Range is 18 to 60 please view and save all Default is 36 inc 1 red settings Dehumidifier set to VAN 36 WE 9 39 am Aug 15 2012 Figure 8 Add non communicating device OUTDOOR UNIT 506920 01 09 12 Page 10 Add or Remove Humidifier skip if no humidifier is being used Before adding a humidifier be sure that e the humidifier is wired to the furnace or air handler control as shown on the Optional Accessories
8. A Setup Note Cut Y1 Y2 Onboard Link For 2 stage Outdoor Units icomfort Wi Fi Thermostat icomfort by Lennox Indoor Furnace or Air Handler Standard Outdoor Condensing Unit Page 60 OUTDOOR UNIT THERMOSTAT OPTIONAL OUT DOOR AIR SENSOR SEE OAS NOTE Page 59 Bass STANDARD OUTDOOR AIR CONDITIONING UNIT 1 OR 2 STAGE YL 2 STG ONLY A BL LSOM ONLY LSOM ONLY 5000005 ogogo eoleo AC Optional Accessories Wiring for use with any icomfort by Lennox system icomfort by Lennox NOTE icomfort Wi Fi THERMOSTAT SENSES HUMIDITY amp CONTROLS 24V H OUTPUT amp 120V H OUT SLP98 amp G71MPP FURNACE PUT TO CYCLE HUMIDIFIER BASED ON DEMAND NO OTHER CONTROL OR HUMIDISTAT REQUIRED IFC OR AIR HANDLER AHC OPTIONAL OUTDOOR AIR SENSOR FOR USE WITH HUMIDIFIER IF NOT ALREADY IN THE SYSTEM FOR OTHER FUNCTIONS BUILT INTO ALL icomfort by Lennox OUTDOOR UNITS SEE OAS NOTE Page 59 For SL290 amp EL296 see HUMIDIFIER diagram M HCWH 01 below bottom right DEHUMIDIFIER CONTROL 48G95 RELAY Pr OOO e steam GND LGN HUMIOFIER Hy DISCHARGE AIR SEN SOR REQUIRED FOR EVEN HEAT SEE DAS NOTE Page 59 icomfort Wi Fi THERMOSTAT GREEN WHITE YELLOW RED RSBus 2022 OOOY ggl DISCHARGE AIR SENSOR 120VAC or 240VAC OUTDOOR AIR SENSOR
9. Alert Code Priority Alert Text Steps to clear 418 Moderate Outdoor Unit There is a faulty W output cir Faulty W output circuit cuit 419 Critical Outdoor Unit The W output on the outdoor W output hardware fault count reached 5 strikes unit has reported more than 5 errors As a re sult the system has shutdown the outdoor unit 420 Critical Air Handler The heat pump defrost cycle has Defrost cycle lasts longer than 20 minutes Check heat pump operation Cleared taken more than 20 minutes to complete when W1 signal is removed Applicable only in communicating mode with non communicating heat pump 421 Critical Outdoor Unit The W output terminal on the Voltage sensed on W output terminal when Y1 out is deactivated outdoor unit is not wired correctly 700 Moderate Stat The temperature sensor in the thermostat Recalibrate thermostat to clear Replace thermostat if needed is not working properly 701 Moderate Stat The thermostat is reading indoor tempera Recalibrate thermostat to clear cool thermostat adjust setpoint Replace thermostat if needed tures above the pre programmed limit 702 Moderate Stat The thermostat is reading indoor tempera Recalibrate thermostat to clear warm thermostat adjust setpoint Replace thermostat if needed tures below the pre programmed limit 703 Moderate Stat The humidity sensor in the thermostat is Recalibrate thermostat to clear adjust setpoint Replace thermostat if needed no
10. powered up and the thermostat has detected the sys 2nd set Humiditrol comfort adjust overcooling and the min max dehumidification set tem s installed communicating devices and you are at the Add or Remove Non points if desired see Page 16 communicating equipment screen see figure 7 Page 8 To add or remove a dehumidifier you must be at the Add or Remove Non communicating equipment screen 1 Press the yes button on this screen see 1 2 In the non communicating device list screen use the arrows 2a to highlight Dehumidifier and press edit 2b Note the current value e g Not Installed 3 Touch one of the radio buttons 3a to select the type of dehumidifier or select Not Installed if removing dehumidifier press save 3b 4 When you scroll to the Dehumidifier device 4a Note the current value e g Humiditrol Click back 4b to return to the Add or Remove screen 1 5 The Add or Remove screen reappears with your addition shown in the system devices list 5a At this point you may add more equipment press yes or if finished press the next button 5b to advance to the Adjust a setting screen see Page 13 Humiditrol Note By default the Humiditrol Comfort Adjust HCA is configured for maxi mum overcooling and minimum dehumidification setpoint of 40 RH If these settings are Satisfactory no further configuration is necessary If another setting is neede
11. 2012 T W Dealer Email Dealer Website 9 39 am Aug 15 2012 Figure 5 View edit time and date w v 3 gt ug 15 2012 Figure 6 Set current time and date Page 7 icomfort Wi Fi 7 Day Programmable Communicating Thermostat Use about screen amp 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 and view additional information about the selected device When finished viewing press the back button Press next to advance to the Add or Remove Non communicating equipment screen device feature list Language Support quipment Type Name device description Unit Model Number Unit Serial Number Equipment Type Name system devices press about for Unit Nominal Capacity Furnace more information on i System a highlighted device Aueen ei lleeiing Stages Heat Pump Heating Capacity by Stage Furnace Indoor Blower CFM Range Thermostat Control Software Revision Control Model Number Add or Remove Non communi cating equip Heat Pump aa A l Furnace 9 39 am Aug 15 2012 Thermostat system devices If no press Next Step Figure 7 Using the about screen and accessing Add or Remove Non communicating equipment screen 506920 01 09 12 Page 8 Add or R
12. CFM CFM present table Min Max 25 1 HP blower CFM CFM Page 41 icomfort Wi Fi 7 Day Programmable Communicating Thermostat table continued on next page Table 3 Adjustable Parameters Table Installer Parameter Name Default Min Max Incr Dependency Installer entry Other Parameters Equipment Name Furnace N A N A N A None Up to 35 characters Continuous Indoor Blower Airflow DIP SW See Min Max 25 None 1 2 HP blower Note 3 at CFM CFM endof table iin Max 25 1 HP blower CFM CFM Humidification Airflow Same as Min Max 25 Humidifier present 1 2 HP blower above CFM CFM Min Max 25 1 HP blower CFM CFM Dehumidification Airflow Percentage 140 120 160 2 OU present and SC Percent of High Cooling 70 60 80 1 Subnet Controller Airflow algorithm support Note 1 Minimum Outdoor Unit Cooling Stage as a percentage of High Cooling Airflow value is rounded up to the closest number on 25 CFM resolution Note 2 Minimum Outdoor Unit Heating Stage as a percentage of High Heat Pump Airflow value is rounded up to the closest number on 25 CFM resolution Note 3 All communicating Installer Parameters default CFM values based on DIP switch setting non communicating value are calculated using the CFM conversion tables and rounded up to closest number on 25 CFM resolution Note 4 Parameter dependency Certain parameters are dependent on others and may not be
13. OFF 10 sec 0 to 10 Seconds 1 sec Heating Indoor Blower ON 0 sec 0 to 5 Seconds 1 sec Cooling Indoor Blower OFF 0 sec 0 to 30 Seconds 2 sec Cooling Indoor Blower ON 2 sec 0 to 10 Seconds 1 sec HP Indoor Blower OFF 45 sec 0 to 60 Seconds 5 sec HP Indoor Blower ON 0 sec 0 to 30 Seconds 5 sec Page 39 icomfort Wi Fi 7 Day Programmable Communicating Thermostat Table 3 Adjustable Parameters Table Installer Parameter Name Default Min Max Incr Dependency Note 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 blower OFF delay 0 sec 0 30 2 Outdoor Unit Not used on Non present Comm IFC Cooling indoor Blower ON Delay 2 sec 0 10 1 Outdoor Unit 2 sec fixed in Non present Comm IFC Heat pump indoor blower OFF delay 45 sec 0 60 5 Heat Pump present Not used on Non Comm IFC Heat pump indoor blower ON delay 0 sec 0 30 5 Heat Pump present Not used on Non Comm IFC Gas Heat Airflow Settings Heating Airflow Control Type variable 0 Fixed J 0 Fixed CFM capacity furnaces only CFM 0 1 1 DATS installed 1 Fixed DAT panei Airflow CFM min DIP Sw 25 eat Heating Airflow High Heating Airflow CFM 100 DIP SW Control Type 0 heat See furnace docu 25 mentation IOM or See furnace documen Low Heating Discharge Air engineering hand tation IOM or engin
14. PIA Page 36 Table 3 Adjustable Parameters Table Installer Parameter Name Default Parameter Value Setting Increment Q O O eg e C e O a Q O O e O A O e O O Q a Ge alre age O Equipment Name keyboard input screen Filter 1 Timer Selection Calendar Time Calendar Time Run Time Filter 2 Timer Selection Calendar Time Calendar Time Run Time UV Bulb Timer Selection Calendar Time Calendar Time Run Time Humidifier Pad Timer Selection Calendar Time Calendar Time Run Time PureAir Timer Selection Calendar Time Calendar Time Run Time Smooth Setback Recovery Enabled Enabled Disabled Auto Changeover Temp Deadband 5 F 3 to 9 F 1 F Electric Heat Control Mode Standard Standard Even Heat Gas Heat Control Mode SLP98 G71MPP Load Tracking Load Tracking Variable Capacity Variable Capacity Staged SL280 EL296 Staged Staged only Max Heat Setpoint 90 F 40 to 90 F 1 F Min Cool Setpoint 60 F 60 to 99 F 1 F Heat Cool Stages Locked In Disabled Enabled Disabled 1st Stage Differential 1 0 F 0 5 to 3 F 0 5 F 2nd Stage Differential 1 0 F 0 5 to 8 F 0 5 F 3rd Stage Differential 0 5 F 0 5 to 8 F 0 5 F 4th Stage Differential 0 5 F 0 5 to 8 F 0 5 F 5th Stage Differential 0 5 F 0 5 to 8 F 0 5 F 6th Stage Differential 0 5 F 0 5 to 8 F 0 5 F Stage Delay Timers Enabled Enabled Disabled 2nd Sta
15. Process is finished press tests button to run more tests press EXIT button to start normal operation 9 39 am Aug 15 2012 Figure 20 Testing finished screen Equipment Alerts Diagnostics Press equipment if you need to set up equipment parameters and edit de tails of devices in the system see Page 20 Press alerts if you need to run to see any alerts that may present or to view alerts that have been cleared see Page 22 Press diagnostics if you need to run to analyze the system see Page 21 506920 01 09 12 Set up Equipment parameters Press equipment to set up equipment parameters and edit details of de vices in the system without having to re run the setup program When the press start screen figure 21A appears press start The Equipment pa rameters screen figure 21B will open You may view information about or modify communicating devices as described earlier in the setup pages be ginning on page 14 Use the arrows to select a device and press edit Use the arrows to highlight a setting and then press edit figure 22A In the example the low heating airflow is changed from the default 400 to 325 fig ure 22B After changing press save note the current value has changed figure 22C Some changes may affect other settings and if so those af fected will appear in red and require changing saving to clear the red set tings press start button below to edit details of devices
16. Set the system air volumes according the needs of the home When all CFM settings are complete press the back button Address any red settings as described in steps 6 and 7 Press next step to advance to the tests button Test the system operation and confirm the system is electrically ener gized and operational Particularly test the heat strips when used to ensure the auxiliary stages operate as designed Press done Exit the installer setup mode by selecting the EXIT button S If the thermostat System Setting does not offer a choice for emerg heat and or the electric heat will not function the electric heat has not been configured Configure the electric heat as described on Page 64 or for complete detail see the Air Handler installation instructions Re configure the icomfort system by entering the installer program and se lecting the setup button and following the prompts High amp low balance points are enabled and adjusted under the installer section of the thermostat In the equipment button select System and press edit Scroll down to Balance Point Control and press edit and select Enabled and then save An outdoor temperature sensor is provided in an icomfort enabled heat pump unit To display the outdoor temperature on the home screen of the thermostat you must turn on or off the Outdoor Temp Display From the Home screen press press for more area and select the HELP icon Press the user
17. Sys tem Page 57 In the installer program select the equipment button and choose System from system device and press edit Over 25 installer adjustable settings are provided including balance point humidification control dehumidification modes stage differen tials and delays table continued on next page icomfort Wi Fi 7 Day Programmable Communicating Thermostat Table 6 Troubleshooting Tips No Issue Problem Possible Cause Corrective Action Comments During the cooling mode the dis played air volume on the indoor con trol is substantially lower than ex pected Bold text indicates a button or text display on the thermostat The system may be following the cooling ramping profile or may be in the dehumidification mode During the default cooling ramping profile the blower will run for 7 5 minutes at 82 of the cooling air volume If the cooling ramping profile is selected the system will ramp to 100 after 7 5 minutes The dehumidification mode will run the system at 70 of the cooling air volume which will be in addition to the air volume reduction pro vided during the ramping profile During the dehumidification mode a d will be displayed on the furnace or air handler control The Indoor unit is not providing the expected air volume according to the cfm shown on the indoor unit control Indoor unit air volume settings in the icomfort thermostat are not corre
18. above the High Balance Point Indoor Unit furnace or air handler the level where the furnace or electric heat is will not be used to service a heating demand programmed to work The system will only use the heat pump to warm your home 29 Critical Stat The thermostat is reading an indoor tem Indoor temperature rose above 99 F during a heating or cooling demand Heating operation is not perature that is higher than 99 F The thermo allowed Check to ensure that Heating Equipment is not stuck ON reversing valve etc Check the stat will not allow any heating operation to begin accuracy of the thermostat temperature sensor Select cooling system mode to cool the indoor until it senses a temperature lower than 99 F space 30 Moderate Stat The thermostat is reading an indoor tem Indoor Temp fell below 40 F Cooling operation is not allowed Check to ensure that cooling equip perature that is lower than 40 F The thermostat ment is not stuck ON Check accuracy of the thermostat temperature sensor Select heating system will not allow any cooling operation to begin un mode to heat the indoor space to above 40 F til it senses a temperature higher than 40 F 31 Critical Stat The thermostat has lost communication Indicated unif has not communicated with thermostat for more than 3 minutes Check connections with the furnace air handler or outdoor unit for Ohm wires If fault persists then cycle power Fault clears after communication is
19. in the system system devices System Heat Pump To adjust a setting highlight it then press Edit Furnace Furnace Thermostat Humiditrol 9 39 am Aug 15 2012 Figure 21 Equipment parameters screen Page 20 system devices Low Heating Airflow Equipment Name Heating Airflow Control Type current value Low Heating Airflow 400 devices Low Heating Airflow Equipment Name Heating Airflow Control Type current value Low Heating Airflow Low Heating Airflow Range is 325 to 450 Default is 400 inc 25 32s 8 Figure 22 Edit equipment details When finished press back equipment parameters screen figure 21B re turns then press next Select tests to run screen appears Page 19 ei ther run tests as before or press skip tests The Testing process screen see figure 20 again appears use the EXIT button if you have completed the required setup or use diagnostics but ton to analyze the system see Page 21 or use equipment button again if you want to make any further changes to device details Table 3 on on Page 37 shows a list of Editable Parameters for the currently available devices designed to communicate in this system Other devices and additional parameters may be added at a later time Check the unit installation manuals i e furnace air handler heat pump ac unit for current information and default parameters Run Diagnostics NOTE To run diagnostics and insure the
20. its decisions for furnace operation control using the following inputs Room temperature History of cycle times how long does it typically take to bring the room temperature to the desired setpoint Target setpoint and e Differential temperature settings between 1st 4th stage The thermostat uses this information to vary the heating capacity to efficient ly satisfy the heating demand The full range of the furnace heating capacity low end is a percent of the 1st stage capacity high range is 100 of full capacity is used When in variable capacity gas heat mode the furnace op eration includes longer run times at lower heat stages Table 2 details the variable capacity furnace operation Staged operation Some furnaces can be configured to provide up to four stages of gas heat operation When staged heating is chosen the icomfort thermostat allows you to choose between 1 2 3 and 4 stages of heat Single stage heat 1st stage provides 100 of full capacity Two stage heat 1st stage provides 70 of full capacity 2nd stage provides 100 of full capacity Three stage heat 1st stage provides 60 of full capacity 2nd stage provides 80 of full capacity 3rd stage provides 100 of full capacity Four stage heat 1st stage provides 35 or 40 of full capacity 2nd stage provides 60 of full capacity 3rd stage provides 80 of full ca pacity 4th stage provides 100 of full capacity SLP98 variable capacity furnaces BTU
21. motor will not start seized bearing stuck wheel obstruction etc Replace motor or wheel if assembly does not operate or meet performance standards The alarm fault clears after the indoor blower motor starts successfully 294 Critical Furnace There is over current in the furnace The system will go into Watchguard mode Check combustion blower bearings wiring and amps inducer motor Replace if does not operate or does not meet performance standards The alarm fault clears after inducer current is sensed to be in range after the ignition following the Watchguard mode or reset 295 Minor Furnace The indoor blower motor is over heat Indoor blower motor over temperature motor tripped on internal protector Check motor bearings ing and amps Replace if necessary The alarm fault clears after blower demand is satisfied 310 Critical Furnace Air Handler There is a problem with Compare outdoor sensor resistance to temperature resistance charts in installation instructions furnace or air handler discharge air sensor Replace sensor if necessary The alarm fault is cleared 30 seconds after fault is detected as recov ered 311 Minor Furnace The heat firing rate has been reduced Warning Only Furnace blower in cutback mode due to restricted airflow Reduce firing rate every 60 to match available airflow cutback mode seconds to match available CFM Check filter and duct system To clear replace filter if needed or repair add duct 2 stage controls wi
22. of heat The gas furnace can add two to four more stages of heat Figure 35 flow chart illustrates Dual Fuel operation with Bal ance Points Page 32 Shut down HP Stg 1 Stg 2 Abbreviations FURN auxiliary heat provided by gas furnace HP compressor heat LBP Low Balance Point HBP High Balance Point T stat thermostat Operate HP heat NOTE 1 Each Heat Pump and Furnace Heat stage will oper Stg 1 Stg 2 lockout ate until it meets the demand or until its stage timer lapses 20 minutes by default If the timer lapses before the demand is met the system brings on the next stage in order of HP stg 1 HP stg 2 FURN stg 1 FURN stg 2 HP stage s operate first NOTE 2 The chart below illustrates how the balance points HBP then FURN stage s if control whether HP or FURN will operate to provide heat needed see NOTE 1 outdoor START _ between Operate HP temperature HERE HBP and LBP gt Stg 1 Stg 2 S See NOTE 2 at or COMPRESSOR ONLY HBP FURNACE LOCKOUT TEMPERATURE a oO T EITHER COMPRESSOR OR FURN HEAT LBP COMPRESSOR LOCKOUT TEMPERATURE defaults shown Operate FURN Stg 1 Stg 2 FURN ONLY OUTDOOR TEMPERATURE Operate FURN Stg 1 Stg 2 NOTE 3 If emergency heat is selected Furnace is used pump lockout Shut down FURN Stg1 Stg 2 Figure 35 Dual Fuel Oper
23. power reset If 2 stage with float switch the IFC control R DS is open 400 Critical Outdoor Unit The compressor internal over Thermostat demand Y1 is present but compressor is not running Check power to unit Clears the load has tripped error after current is sensed in both RUN and START sensors for at least 2 seconds or after service is removed or after power reset 401 Moderate Outdoor Unit Either the compressor ran for Compressor ran more than 18 hours to satisfy a single thermostat demand Will not lockout system more than 18 hours continuously trying to cool if 2 stage units with blinking LED light controls unit will run in low speed units with 7 segment the home or the refrigerant pressure in the sys display will display code but continue to run in high speed If a Heat Pump and if outdoor temp is tem is low less than 65 degrees code is ignored Clears the error after 30 consecutive normal run cycles or power reset Also monitors low pressure switch trips 402 Critical Outdoor Unit Either the discharge or suction Discharge or suction pressure out of limits or compressor overloaded Clears the error after 4 con pressure level is out of limits or the is compres secutive normal compressor run cycles sor overloaded 403 Moderate Outdoor Unit The compressor ran for less than Compressor runs less than 3 minutes to satisfy a thermostat demand Clears the 3 minutes to satisfy a thermostat demand error after 4 consecutive norma
24. preferences box and scroll down to Out door Temp Display Press the modify button and use the up down ar rows to select On or Off and then press the save button Press done to return to the Home screen icomfort enabled Air Handler amp conventional non communicating Heat Pump unit An icomfort air handler CBX32MV or CBX40UHV with a conventional non communicating heat pump unit NOTE IMPORTANT Be sure to set up the air handler control for heat strips if used prior to powering up the system and thermostat 1 2 Configure air handler control AHC for auxiliary heat strips if used Wiring see Communicating System Wiring diagram on Page 59 and Optional Accessories Wiring Page 61 for any accessories be ing installed with the system e 4 conductor thermostat wire from the icomfort Wi Fi thermostat to the air handler R i i C e Conventional thermostat wire with 5 to 6 conductors from icom fort air handler to conventional HP 5 8 wires Y1 C R W1 O and on some models Y2 e Wiring as required for accessories On air handler control with 2 stage HP cut the W915 2 Stage Compr onboard clippable link Cut W951 between W1 amp W2 for two stage electric heat only After the entire system is wired power up the system the icomfort Wi Fi thermostat will check the system for installed communication de vices Inthe installer setup button select Add or Remove non communic
25. problem prevents operation and is ware problem on either the stat furnace control persistent The alarm fault is cleared 300 seconds after the fault recovers board air handler control board or outdoor unit control board 126 Critical Furnace Outdoor Unit There is an internal There is an internal hardware problem on the control Typically the control will re set itself Replace communication problem with the furnace con the control if the problem prevents operation and is persistent The alarm fault is cleared 300 sec trol board air handler control board or outdoor onds after the fault recovers unit control board 130 Moderate Air Handler An air handler configuration jump Configuration jumper s missing on control applicable in non communicating applications only er is missing Replace the jumper or put wire between terminals on control Cleared after jumper is connected 131 Critical Stat Furnace Air Handler Outdoor Unit The Reconfigure the system Replace the control if heating or cooling is not available stat furnace air handler or outdoor unit con trol parameters are corrupted 132 Critical Air Handler The air handler control software is Recycle power If failure re occurs replace the control System reset is required to recover corrupted table continued on next page Page 47 icomfort Wi Fi 7 Day Programmable Communicating Thermostat Table 5 Alert Codes and Troubleshooting Critica
26. provide the ability to adjust the RH setpoint Humidification Control Mode is set for Display only which will not allow the icomfort system to control the humidifier In the installer program select the equipment button Select Sys tem from the device list using the up down arrows and press the edit button Use up down arrows to select Humidification Control Mode from the list Select the desired humidifier control mode Basic Preci sion or Dew Point Basic is the most popular and press the save button Follow the red instructions then exit the system If Humidification Control Mode is not offered as a menu item choice the Humidifier must be added to the icomfort system using the Add or Remove Non communicating equipment screen under the thermostat installer program in the setup button The non communicating outdoor unit is part of the system but the thermo stat does not display the outdoor unit The outdoor unit was not added as a non communicating unit dur ing initial system setup Page 55 In the thermostat installer program select the setup button and follow the on screen instructions until you reach the Add or Remove Non communicating equipment screen press yes Select Outdoor Unit Type from the menu and press the edit button Select 1 Stage AC Unit or 2 Stage AC Unit and press save Follow the red instructions then exit the system table continued on next page icomfort Wi Fi 7 Day Progr
27. save 5b Change other red settings e g Auto Changeover Humidif Deadband using a similar process 6 Press the back button to return to Adjust a setting screen System Devices To adjust a setting highlight it then press Edit Furnace Thermostat 2 Stage AC Unit Power 120VAC Humidifier Dehumidification Control Mode 2nd Stage Differential Staged Delay Timers current value 2nd Stage Delay Display Only Dehumidification Control Mode Humidification Control Mode OK Humid Boundary Outdoor Temperature Reading NOTE If the defaults are correct you do not have to make any changes but you must press save 5b When all red text is gone the back button will appear press it to return to the Add or Remove Non communicating equipment screen CED System Dehumidification Control Mode Dehumidification Control Mode Staged Delay Timers Balance Point Control Tas Dehumidification Control Mode Precision Min Dehumidification Setpoin Range is 40 to 60 Default is 45 inc 1 Select one current value Display Only Basic Precision Humidification Control Mode Auto Changeover Humidif Deadband Max Humidification Setpoint please view and save all set to Min Dehumidification Setpoint EASES OK Humid Boundary Outdoor Temperature Reading 9 39 am Aug 15 2012 Figure 16 Adjust dehumidification when not using Humiditrol or an auxiliar
28. system works properly the system should be running set the thermostat so that it will initiate a demand for cooling heating dehumidification humidification or continuous fan opera tion If you need to run diagnostics to analyze the system press the diagnostics button The select a device list figure 23A will open Use the arrow buttons to scroll through the list of items found on the left of the screen The right side of the screen shows which item is selected Use start to begin the process A waiting message displays while the diagnostics are being conducted followed by a screen similar to figure 23B Use the arrow buttons to scroll through the information and take note of any found to be out of operating range Page 21 icomfort Wi Fi 7 Day Programmable Communicating Thermostat 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 Heat select Furnace DIAGNOSTICS Furnace current selection Furnace Heating Rate Blower CFM Demand Blower Off Delay 40 0 250 CFM Off Blower On Delay Off Indoor Blower RPM waiting Indoor Blower Power waiting Flame Current waiting Flame Sense waiting 88 0 F Outdoor Temperature 9 39 am Aug 15 2012 Figure 23 Select device and run diagnostics View and clear Installer Alerts NOTE Service alerts remind users to service filters humidi
29. systems using the icomfort Wi Fi thermostat require four thermostat wires between the thermostat and the furnace air handler control and four wires between the outdoor unit and the furnace air handler control When a thermostat cable with more than four wires is used the extra wires must be properly connected to avoid electrical noise The wires must not be left disconnected Single wire to terminal C Unused wires Use wire nuts to bundle the unused wires at each end of the cable A single wire should then be connected to the indoor unit end of the wire bundle and attached to the C terminals as shown in the diagram above This is not an issue in non communicating systems Page 63 icomfort Wi Fi 7 Day Programmable Communicating Thermostat Configuring heat strips on Air Handler Control AHC IMPORTANT After electric heat strips are installed the Air Handler Control AHC must be manually configured to detect the number of electric heat CIC ha HUMIDITROL A 4 o o o LARC CO z sections SEE ALSO 506181 01 for complete configuration guide T2384 rues FE To configure the heat strips so that they will be detected by the thermostat Cc COOL Ee 0 Power must be applied to the air handler but NOT to the thermostat Ta SMART AUTO Remove thermostat from baseplate or remove wires to thermostat at DELAY EVENHEAT the air handler _ s On the air handler con
30. temperature changes up and down and adjust the furnace heating rate both ways Variable capacity only tracks the load upward rising tempera ture Variable capacity uses the thermostats stage differentials but not stage timers LVC disregards both stage differentials and stage timers What makes Load tracking Variable Capacity work With icomfort Load tracking Variable Capacity the thermostat uses a Proportional Integral Algorithm PIA to control firing rates of the furnace The algorithm in the Load tracking Variable Capacity provides much more precise control over the furnace than the Variable Capacity algorithm 506920 01 09 12 Interesting points about the Proportional Integral Algorithm PIA The further temperature is from the current set point the higher PIA sets the heating rate e The longer away from a programmed set point the higher the heating rate If needed PIA will turn heating on and off in short cycles when there is a heat demand that is lower than the lowest the furnace can provide If the heat demand is higher than the minimum the furnace can provide the furnace will run without shutting off As the room temperature rises nearer the set point the heating rate will decrease As the room temperature falls further away from the set point the heat ing rate will increase The stage differentials have no effect when running the PIA The second stage timers have no effect when running the
31. the low fire pressure action is needed switch did not close in the allowed time 240 Moderate Furnace The furnace flame current is low Check micro amperes of the flame sensor using thermostat diagnostics Clean or replace the flame sensor Measure voltage of neutral to ground to ensure good unit ground The alarm clears after a proper micro amp reading has been sensed 241 Critical Furnace The furnace flame is going out while Shut off gas Check for a gas valve leak Replace the gas valve if needed The alarm fault will clear the furnace is heating when a heat call ends successfully 250 Moderate Furnace The furnace primary limit switch is Check for proper firing rate on furnace Ensure there is no blockage in the furnace and the ductwork open Check for proper air flow If limit switch is not closed within 3 minutes the unit will go into 1 hour Watchguard mode The alarm fault will clear when a heat call ends successfully 252 Moderate Furnace The furnace discharge air tempera Check temperature rise air flow and input rate Check for dirty filters The alarm fault will clear when ture is high a heat call ends successfully 270 Critical Furnace The furnace is in Watchguard mode Check for proper gas flow Ensure that igniter is lighting burner Check flame sensor current Check The furnace igniter cannot turn on the flame for dirty filters The alarm fault will clear on successful ignition 271 Critical Furnace The furnace is in Wat
32. through Run current transformer Clears the error after not passing through run current transformer current is sensed in RUN sensor or 1 normal compressor run cycle or after power reset 408 Critical Outdoor Unit The compressor is running con Compressor runs continuously Clears the error after 1 normal compressor run tinuously cycle or after power reset 409 Moderate Furnace Air Handler Outdoor Unit The sec Secondary voltage is below 18VAC After 10 minutes operation is discontinued ondary voltage for the furnace air handler or Clears the code after voltage is higher than 20 VAC for 2 seconds or after power outdoor unit has fallen below 18VAC If this reset continues for 10 minutes the thermostat will turn off the furnace air handler or outdoor unit 410 Moderate Outdoor Unit The outdoor unit pressure is be Unit pressures are below the lower limit Pressure switch opens at 40 psig system shuts down and low the required limit closes at 90 psig system restarts 411 Critical Outdoor Unit The low pressure switch has Open low pressure switch error count reached 5 strikes Check system charge using approach and opened 5 times during one cooling cycle As a sub cooling temperatures Reset by putting outdoor unit control in test mode or resetting low voltage result the thermostat has shutdown the outdoor power unit 412 Moderate Outdoor Unit The outdoor unit pressure is Unit pressure is above the upper limit Pressure switch
33. 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 Text Steps to clear 275 Critical Furnace The furnace flame is out of sequence The system will go into Watchguard mode Shut off gas Check for gas valve leak The alarm fault will clear on next successful ignition 276 Critical Furnace The furnace is not able to calibrate or The system will go into Watchguard mode Check vent system and pressure the high pressure switch opened or failed to switch wiring connections The fault alarm will clear when the furnace calibrates itself successfully close in run mode 290 Critical Furnace There is a problem with the furnace The system will go into Watchguard mode Measure resistance of hot surface igniter Replace the hot ignition circuit surface ignitor it is not within specifications The alarm fault will clear on next successful ignition 291 Critical Furnace The heating airflow is below the mini The system will go into Watchguard mode Check for dirty filters and other air flow restrictions Check mum required level blower performance The alarm fault will clear when a heat call ends successfully 292 Critical Furnace Air Handler The furnace or air han The system will go into Watchguard mode Indoor blower motor unable to start This could be due to dler indoor blower
34. 2 Recycle power System will clear code when it detects condition has cleared 39 Critical Stat The system has not been able to turn on Run the system in diagnostic mode and verify that it matches actual equipment operation Check for the cooling for more than 45 minutes The sys other alarms codes that may be preventing the system from operating as expected tem will go offline for 60 minutes and try again Step 1 Check all cooling equipment to determine cause Step 2 Recycle power System will clear code when it detects condition has cleared 105 Critical Stat Furnace Air Handler Outdoor Unit The Equipment is unable to communicate This may indicate the existence of other alarms codes In stat furnace air handler or outdoor unit has most cases errors are related to electrical noise Make sure high voltage power is separated from lost communication with the rest of the system RSBus Check for mis wired and or loose connections between the stat indoor unit and outdoor unit Check for a high voltage source of noise close to the system Generally this is a self recoverable error 110 Critical Furnace The line voltage is too low This alarm code may appear during a brownout Line voltage is below its designed operating value Check and correct the power line voltage 111 Critical Furnace The line power voltage wiring is re The unit is reporting that its power line and neutral are reversed Turn off the power to the system and verse
35. If the thermostat System Setting does not offer a choice for emerg heat and or the electric heat will not function the electric heat has not been configured Configure the electric heat as described on Page 64 or for complete detail see the Air Handler installation instructions Re configure the icomfort system by entering the installer program and se lecting the setup button and following the prompts If the thermostat System Setting only shows heat only or off choices and does not offer a choice for cooling you must Install the non communicating air conditioning unit Select Add or Remove non communicating under the setup button in the Installer Section Select Outdoor Unit Type press the edit button and then choose 1 Stage AC or 2 Stage AC and press the save button On two stage Air Conditioners you must cut the W915 2 Stage Compr Link on the air handler control icomfort Wi Fi 7 Day Programmable Communicating Thermostat Setting up typical systems AIR HANDLER amp HEAT PUMP UNITS icomfort enabled Air Handler amp icomfort enabled Heat Pump unit An icomfort air handler CBX32MV or CBX40UHV with an icomfort enabled heat pump XP17 or XP21 only unit NOTE IMPORTANT Be sure to set up the air handler control for heat strips if used prior to powering up the system and thermostat 1 2 506920 01 09 12 Configure air handler control AHC
36. LENNOX gt fA 2012 Lennox Industries Inc _Icomio rt Dallas Texas USA e S ar table indoor temperature 7 heat 8 o 75 lO C AUTO set temp outdoor temperature mode indoor humidity is 41 x 3 T Tonn is cooling N 9 39 am Aug 15 2012 fj THIS MANUAL MUST BE LEFT WITH THE HOMEOWNER FOR FUTURE REFERENCE NOTICE Read this manual before programming this thermostat Use this thermostat only as described in this manual 09 12 INSTALLER S SYSTEM SETUP GUIDE icomfort Wi Fi Thermostat Touch Screen Programmable Communicating Thermostat CONTROLS aa NP Technical Supersedes 05 12 Publications icomfort Enabled Units G71MPP 03 or later XC17 02 or later SLP98 01 or later XP17 02 or later SL280 03 or later XP19 06 or later EL296V 01 or later XC21 05 or later CBX40UHV 02 or later XP21 01 or later CBX32MV 06 or later Shipping and Packing List 1 icomfort Wi Fi thermostat 4 Mounting Screws 4 Wall Anchors 1 Installation Quick Start Guide 1 Installers System Setup Guide 1 Homeowner s Manual 1 Warranty card 506920 01 Technical Description Features 000 cece eee eee eee eee 3 Installation and Setup 4 System Settings screen 0 0c eee eee eee eee 4 Change settings dealer info daylight savings fan circulate 5 6 7 9 9 Table 1 System settings defaults and ranges Set Time and Date 02 0 colon oda eT Leite bale peusbeh
37. SENSOR SWITCH icomfort by Lennox CONNECTIONS REMAIN H Furnace or Air Handler THE SAME REFER TO SPECIFIC DIAGRAM LVCS VENTILATION CONTROL SYSTEM THERMOSTAT OUTDOOR UNIT y HEPA Bypass Filter X2680 HEPA Interlock Kit ee 2 E ZX 26L56 Current sensing relay kit Pass indoor NOTE Pass the blower motor L1 wire through the current loop 7 blower motor on the current sensing relay as shown common wire through cur CURRENT rent loop SENSOR See HEPA In HEPA terlock Kit for LVCS Set cycle time to 1 hour set ventilation time to 60 minutes icomfort by Lennox 2 CONTROL installation Furnace or Air Handler RELAY details HVAC Heat or Cool call or the fan is in continuous operation the ventilation controller will open OA damper to ventilate if the outdoor temperature and indoor humidity are within the limits of the ventilation controller NOTE Use the icomfort circulate fan percentage of ON TIME to control ventilation time 506920 01 09 12 Page 62 Thermostat wire termination in communicating system Outdoor Unit Indoor Unit Controller icomfort Wi Fi thermostat Single wire to terminal C Communicating
38. So Sim a ple So Smart So Comfortable screen dis icomfort plays followed by Use this thermostat Sm e Smart o Gomioriable screen Touch press here to continue During the setup process alerts may pop open to provi de the installer with information that affects the setup Correct the cause of any such alerts prior to continuing setup Thermostat 1 Use this Thermostat press here 506920 01 09 12 System settings figure 2 appear first As you use the up down arrows to scroll through the settings the right hand side will show the current value For example current value 9 39 am Aug 15 2012 shows the current date for Time and Date To adjust a setting highlight it then press edit system settings Time and Date current value Daylight Saving Time 9 39 am Aug 15 2012 Circulate Fan ON Time System Name Dealer Number Dealer Name Dealer Address Dealer Phone Dealer Email Dealer Website 9 39 am Aug 15 2012 Figure 2 System settings screen Page 4 Change settings up down Circulate Fan ON Time Range arrows is 15 to 50 Default is 35 inc 1 set to If you want to change a setting use one of the Settings change tools shown in figure 3 Also see Set time and date on Page 7 After changes have 4 5 been made use save to store the changed data or cancel to exit the screen and return to the list of settings e radio Outdoor Unit Type Use the arrows to
39. When Celsius mode is chosen Celsius is only changed on home screen all calculations and other setting are in Fahrenheit table continued on next page Page 43 icomfort Wi Fi 7 Day Programmable Communicating Thermostat Table 4 Adjustable Parameters Table User Parameter Name Defaut Parameter Value Setting Increment Installer entry Filter 1 Timer Disabled Pisane S a a Months 1e Monine Filter 1 Timer Disabled a oa N Humidifier Pad Timer Disabled ace oms a Monks 1e Months UV Bulb Timer Disabled ne or Gun ON e Months Maintenance Timer Disabled Disab ser DOAS eae PureAir Timer Disabled Disabled 3 Months 6 Months 12 Months 24 Months Custom Time THERMOSTAT Go to equipment button and scroll to Thermostat NOTE These settings apply to the thermostat s internal sensors Equipment Name keyboard input screen Temp Reading Calibration 0 F 5 F to 5 F 1 F Humidity Reading Calibration 0 10 to 10 1 RH 506920 01 09 12 Page 44 Table 5 Alert Codes and Troubleshooting 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 Text Steps to clear 10 Critical Stat The thermostat has found an unknown An unknown device is see
40. a new system discovery The icomfort thermostat will not pro vide me a choice to add a non com municating heat pump to a gas fur nace The icomfort system does not have the ability to control a non communicating heat pump on a dual fuel system Replace the icomfort thermostat with a conventional thermostat that has a dual fuel control mode e g Lennox ComfortSense 7000 During system discovery the ther mostat displays a message Thermo stat is unable to communicate to system components The thermostat was not success ful in communicating to the indoor unit Verify the indoor unit has a icomfort communicating control Check wiring connections at R i i and C at the indoor unit and thermostats Check R i l C wires for open shorts Temperature or humidity calibration does not respond to calibration changes Temperature Humidity calibration changes will change display 1 F or 1 RH every 3 minutes Allow the system to stabilize and complete the calibration mode due to the time delay A 5 F calibration change will take 15 minutes to calibrate the display 13 14 15 16 17 The installer adjustable settings used to configure the system are not listed in the equipment button under the Thermostat 49W95 only Temp Reading Calibration and Humidity Reading Calibration are listed as menu items The adjustable system configura tion settings are listed in the equipment button under
41. age Page 48 Table 5 Alert Codes and Troubleshooting 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 Text Steps to clear 226 Critical Furnace The furnace high pressure switch is Check operation of high pressure switch closing during a heat call Measure operating pressure stuck closed inches w c Inspect vent and combustion air inducer for correct operation and restriction The alarm fault clears after the issue is corrected 227 Moderate Furnace The furnace low pressure switch is Check pressure inches w c of low pressure switch closing during a heat call Measure operating open in run mode pressure inches w c Inspect vent and combustion air inducer for correct operation and restriction The alarm fault clears after the issue is corrected 228 Moderate Furnace The furnace control is not able to cali Unable to perform pressure switch calibration Check vent system and pressure brate the pressure switch switch wiring connections Check the drain trap for blockage The alarm fault clears after a success ful calibration 229 Minor Furnace The furnace control has switched to IFC switched to high fire ignition because low fire pressure switch did not close in allowed time No high fire ignition because
42. ammable Communicating Thermostat Table 6 Troubleshooting Tips No Issue Problem Possible Cause Corrective Action Comments 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 Bold text indicates a button or text display on the thermostat Balance Point Control must be enabled to display as the High Balance Point and Low Bal ance Point in the menu and pro vide the ability for the installer to adjust the setpoint In the installer program select the equipment button then scroll down to system device to System and press edit Scroll down the menu item choices to Balance Point Control and press edit Select enable and press save High Balance Point and Low Balance Point are now listed adjust the balance point settings and press save If Balance Point Control is not shown as a menu item choice the system is not connected to Wi Fi or does not have recognize an outdoor sensor or the system is not a heat pump icomfort thermostat does not show a choice for Dew Point Control Hu midification mode only Basic and Precision choices Dew Point Control will only be displayed if the system has an outdoor sensor Add an outdoor sensor to the system and connect to the outdoor sensor terminals on the indoor unit icomfort system is not able to read the outdoor temperature sensor in the icomfort outdoor unit check outdoor senso
43. at ing equipment by using the yes button Select the Outdoor Unit Type from the device list using the up down arrows and press the edit button Then select the heat pump type 1 stage HP or 2 stage HP and press the save button On the thermostat go past the Add or remove non communicating de vices to the To adjust a setting screen Select the System from the device list using the up down arrows and press the edit button Select Balance Point Control if outdoor sensor is installed and press edit Use the down arrow to select Enabled and press save High and Low Balance Points will appear in red 9 10 11 12 Complete Balance Point Control by editing the High and Low Balance Points It is not necessary to change the defaults but you must save each setting The red settings will go away after pressing save Press the back button to return to the adjust screen Use the arrows to select Air Handler from system devices list Press edit From this Air Handler screen you will have access to the various airflow settings Set the system air volumes according the needs of the home When all CFM settings are complete press the back button Address any red settings as described in steps 8 and 9 Press next step to advance to the tests button Test the system operation and confirm the system is electrically ener gized and operational Particularly test the heat strips when used to in
44. ating System Wiring DAS NOTE The discharge air sensor is icomfort by Lennox intended to be mounted downstream of the FURNACE IFC OR AIR HANDLER AHC furnace heat exchanger and air conditioning Gene AR SEN coil It must be placed in free airflow where SOR SEE DAS other accessories such as humidifiers UV NOTE lights etc will not interfere with its accura oe cy Wiring distance between the IFC or AHC OPTIONAL OUT and the discharge air sensor should not ex DOOR AIR SENSOR ceed 10ft when wired with 18 gauge ther SEE OAS NOTE CY mostat wire OAS NOTE Wiring distance between the icomfort Wi Fi IFC or AHC and the outdoor temperature THERMOSTAT sensor should not exceed 200ft when wired GREEN with 18 gauge thermostat wire OUTDOOR DISCHARGE AIR SENSOR AIR SENSOR WHITE YELLOW RED icomfort by Lennox OUTDOOR AIR CON DITIONING OR HEAT PUMP UNIT RSBus GREEN WHITE YELLOW Cc i i RED RSBus r icomfort Wi Fi Thermostat icomfort by Lennox Indoor Furnace or Air Handler Maximum total length of all connections on icomfort by Lennox Outdoor Condensing Unit or Heat Pump the RSBus is limited to 1500ft Wire gauge of RSBus wire is 18 HP AC 00200 B0029 OO OO THERMOSTAT OUTDOOR UNIT Page 59 icomfort Wi Fi 7 Day Programmable Communicating Thermostat Wiri
45. ation with Balance Points Page 33 icomfort Wi Fi 7 Day Programmable Communicating Thermostat Gas Heat Control Mode THERMOSTAT DEMAND SYSTEM IDLE 506920 01 09 12 less than 2nd stags differential NO 2 Starting firing rate as determined by variable capacity algorithm 35 to 100 Differential less than 2nd stag differential NO Continue at starting firing rate T stat demand satisfied 2 Differential less than 3rd stag differential NO ES Increase firing rate to calculated 2nd stage firing rate isfied in less than 5 minutes Differential less than 3rd stags differential Firing rate increased by 5 every 5 minutes up to 100 firing rate Differential less than 4th stag differential Increase firing rate to calculated 3rd stage firing rate T stat demand sat isfied in less tha 5 minutes Differential less than 4th stag differential 7 NO Firing rate increased by 5 every 5 minutes up to 100 firing rate Figure 36 Variable Capacity Operation Flow Chart Page 34 Increase firing rate to 100 until thermostat demand is satisfied Variable Capacity 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 minimum system cycling The thermostat bases
46. be com pleted on the homeowner s personal computer see Page 26 Page 25 NOTE Time from pushing the registration button on the thermostat and re ceiving the consumer portal register link from your email on your computer is from 5 to 15 minutes After registration has been completed any available firmware downloads will immediately start downloading to the thermostat REGISTRATION X Register with iComfort thermostat to enable remote access and online weather information enter your email re enter your email System Desc WI FI SETTINGS connected thermostat Wi Fi not enabled registered press to press to enable press to change fpress to toggle firm change network disable Wi Fi thermostat regis jare update between settings tration auto and off NOTE If any downloads are available for the thermostat they will start downloading right away When new firmware is being downloaded or when Gelaskins are being installed the thermostat screen will temporarily go blank and running units may cease operation while the system is being reset to accommodate the new changes This is normal and can last a couple minutes Figure 29 Registering the system for online access For any issues with Wi Fi connections refer to Wi Fi Troubleshooting Checklist 507037 01 icomfort Wi Fi 7 Day Programmable Communicating Thermostat Personal Computer account registration for icomfo
47. bled AC R i i C e Wiring as required for accessories 3 DO NOT cut any option link on air handler control 4 After the entire system is wired power up the system the icomfort Wi Fi thermostat will check the system for installed communication de vices 5 On the thermostat go past the Add or remove non communicating equipment to the To adjust a setting screen 6 Use the arrows to select Air Handler from system devices list press edit From this Air Handler screen you will have access to the various airflow settings Set the system air volumes according the needs of the home When you change certain settings the system will prompt you to please view and save all red settings Use the arrows to select the 506920 01 09 12 Page 68 If the thermostat System Setting does not offer a choice for emerg heat and or the electric heat will not function the electric heat has not been configured Configure the electric heat as described on Page 64 or for complete detail see the Air Handler installation instructions Re configure the icomfort system by entering the installer program and se lecting the setup button and following the prompts An outdoor temperature sensor is provided in an icomfort enabled air conditioning unit To display the outdoor temperature on the home screen of the thermostat you must turn on or off the Outdoor Temp Display From the Home screen press press for m
48. ce as follows 1 Inthe system devices list use the arrows 1a to highlight System Press edit 1b 2 Inthe System list use the arrows 2a to highlight Humidification Control Mode The current value defaults to Basic mode Press edit 2b 3 Touch one of the radio buttons 3a to select the mode of humidification control press save 3b After saving check that the current value now shows the new selection Use arrows 4a to highlight any red colored text in the list e g select Max Humidifi cation Setpoint Press edit 4b 5 Use arrows 5a to make changes press save 5b Repeat for other red settings You will not be able to advance to the next step until all red settings have been removed 6 Press the back button to return to Adjust a setting screen NOTE If the defaults for the settings shown in red you are not required to make any changes but you must go into the edit tool and press save 5b When all red text is gone the back button will appear press it to return to the Adjust a setting screen Max Humidification Setpoint current value 45 Max Humidification Setpoint Range is 15 to 45 Default is 45 inc 1 set to A 45 W please view and save al red settings returns to adjust a setting screen Figure 14 Adjust a non communicating device setting HUMIDIFIER Page 15 icomfort Wi Fi 7 Day Programmable Communicating Thermos
49. chguard mode Check pressure inches w c of low pressure switch closing during a heat call Measure operating The furnace low pressure switch is open pressure inches w c Inspect vent and combustion air inducer for correct operation and restriction The alarm fault will clear on successful ignition 272 Critical Furnace The furnace is in Watchguard mode Check operation of low pressure switch to see if it is stuck open during a heat call Measure operat The furnace low pressure switch is open during ing pressure inches w c Inspect vent and combustion air inducer for correct operation and restric run mode tion The alarm fault will clear when a heat call ends successfully 273 Critical Furnace The furnace is in Watchguard mode Check micro amperes of flame sensor using thermostat diagnostics Clean or replace sensor Mea The furnace flame is going off during a heating sure voltage of neutral to ground to ensure good unit ground The alarm fault will clear when a heat cycle call ends successfully 274 Critical Furnace The furnace limit switch has been The system will go into Watchguard mode Check firing rate and air flow Check for blockage The open for more than 3 minutes alarm fault will clear when a heat call ends successfully table continued on next page Page 49 icomfort Wi Fi 7 Day Programmable Communicating Thermostat Table 5 Alert Codes and Troubleshooting Critical alerts are displayed on Home
50. control of heating cooling humidifi cation and dehumidification without user involvement Outdoor Temperature Sensor option Communicating outdoor units contain a built in outdoor temperature sensor icomfort Wi Fi 7 Day Programmable Communicating Thermostat Installation and Setup IMPORTANT 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 router to ensure good communications signal between the thermostat and the rout er Hint use a smart phone with Wi Fi to find and determine signal strength Refer to the Quick Start Guide for information about installing the thermostat on a wall and for wiring diagrams for field wiring the thermostat to the system using one of a number of possible configurations Wiring diagrams are also shown beginning on Page 59 of this manual NOTE If electric heat strips are used with an icomfort enabled air handler the strips MUST be configured on the air handler control AHC board before beginning the discovery sequence below After all wiring connections are made apply power to the system 24VAC will power up the thermostat After power is applied to the thermostat for the first time the processor checks the system for fi installed communicating devices the
51. ct System is operating in the cool ing mode and following the cooling ramping profile or dehu midification air volume In the installer program select the equipment button and choose the furnace or air handler from the system devices list and press edit Verify set the correct air volume for heating and cooling modes If in the cooling mode check for cooling ramp mode or dehumidifica tion mode as in 18 No second stage cooling is pro vided on a icomfort outdoor unit Space temperature is above second stage differential and has run in first stage a long time No red Critical Alert icon or alert is displayed in the homeowner alert button The red Critical Alert icon and homeowner alert button do not display non critical alerts Go to the installer program alert button to view all alerts and details about those alerts Look for alert code 401 Compressor Long On Cycle which indicates compressor ran more than 18 hours continuous and will lock out 2nd stage compressor Cycle indoor power off and back on alert code 401 will clear within a few minutes No weather being displayed icomfort Wi Fi not communicat ing with router Make sure Wi Fi is enabled see Page 24 19 20 21 22 Unable to complete Wi Fi router in ternet connection 506920 01 09 12 Refer to 507037 01 Wi Fi Troubleshooting checklist for icomfort Wi Fi thermostat Page 58 Wiring Diagrams icomfort Communic
52. d change HCA and setpoint as described on Page 16 system devices Add or Remove Non communicating equipment to add remove adjust a device select it then press edit Dehumidifier current value Electronic Air Cleaner Not Installed Select one Not Installed system devices Add or Remove Non communicating equipment to add remove adjust a device select it then press edit Humidifier vA Heat Pump Dehumidifier current value Furnace Electronic Air Cleaner 4a Humiditrol Thermostat Humiditrol non communicating device list Figure 10 Add or remove non communicating device DEHUMIDIFIER 506920 01 09 12 Page 12 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 button to un install all non communicating devices that were added through Add or Remove screen and to reset any device settings made through this Adjust a setting screen to the factory defaults While editing a communicating device the reset button is limited to only the selected device You are asked to confirm shown in figure 11 before resetting all Use this screen to access communicating devices settings pressing buttons numbered from 1 to 6 in fig
53. d correct the line power voltage wiring System resumes normal operation 5 seconds after fault recov ered 112 Critical Furnace The reporting device cannot find Provide proper earth ground to the equipment System resumes normal operation 5 seconds after earth ground The thermostat will shut down the system fault recovered 506920 01 09 12 table continued on next page Page 46 Table 5 Alert Codes and Troubleshooting 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 Text Steps to clear 113 Critical Furnace The line voltage is too high Line voltage high voltage higher than nameplate rating Provide power voltage within proper range System resumes normal operation 5 seconds after fault recovered 114 Critical Furnace Air Handler There is a frequency This alarm code may indicate transformer overloading Check the voltage and line power frequency distortion problem with the power to the furnace Check the generator operating frequency if the system is running on back up power Correct voltage or air handler and frequency problems System resumes normal operation 5 seconds after fault recovered 115 Critical Furnace Air Handler The 24VAC to the fur 24 Volt Power Low Range is 18 to 30 volts C
54. e vices Inthe installer setup button select Add or Remove non communicat ing equipment by using the yes button Select the Outdoor Unit Type from the device list using the up down arrows and press the edit button Then select the AC type 1 stage AC or 2 stage AC and press the save button On the thermostat go past the Add or remove non communicating de vices to the To adjust a setting screen Select the System from the device list using the up down arrows and press the edit button 9 10 11 Use the arrows to select Air Handler from system devices list press edit From this Air Handler screen you will have access to the various airflow settings Set the system air volumes according the needs of the home When you change certain settings the system will prompt you to please view and save all red settings Use the arrows to select the red settings and press edit Either make changes or not but press save either way The red settings will go away after pressing save When all CFM settings are complete press the back button Press next step to advance to the tests button Test the system operation and confirm the system is electrically ener gized and operational Particularly test the heat strips when used to insure the auxiliary stages have been detected and are operational Press done Exit the installer setup mode by selecting the EXIT button TIPS Page 69
55. e program the correct capacity before programming the unit control board Once programming is complete reconnect thermostat of the furnace air handler or outdoor unit wires and reconfigure system 36 Critical Stat The system has been heating for at least Run the system in diagnostic mode and verify that it matches actual equipment operation Check for 15 minutes without a demand for heating other alarms codes that may be preventing the system from operating as expected Step 1 Check all heating equipment to determine cause of heating demand Step 2 Recycle power System will clear code when it detects condition has cleared 37 Critical Stat The system has been cooling for at least Run the system in diagnostic mode and verify that it matches actual equipment operation Check for 15 minutes without a demand for cooling other alarms codes that may be preventing the system from operating as expected Step 1 Check all cooling equipment to determine cause of cooling demand Step 2 Recycle power System will clear code when it detects condition has cleared 38 Critical Stat The system has not been able to turn on Run the system in diagnostic mode and verify that it matches actual equipment operation Check for the heating for more than 45 minutes The sys other alarms codes that may be preventing the system from operating as expected tem will go offline for 60 minutes and try again Step 1 Check all heating equipment to determine cause Step
56. ear 345 Critical Air Handler The O relay on the air handler O relay Stage 1 failed Pilot relay contacts did not close or the relay coil did not energize Replace has failed Either the pilot relay contacts did not control Cleared after the fault recovered following reset close or the relay coil did not energize 346 Critical Air Handler The heat pump jumper was not Configuration link s not removed on control Cut O R Applicable with non communicating outdoor removed on the air handler control board unit with communicating indoor system 347 Critical Furnace Air Handler The Y1 relay on the Operation stopped Y1 relay Stage 1 failed Pilot relay contacts did not close or furnace or air handler has failed Either the the relay coil did not energize no input back to IFC chip Critical Alert Cleared after reset and Y1 pilot relay contacts did not close or the relay input sensed coil did not energize 348 Critical Furnace Air Handler The Y2 relay on the Y2 relay Stage 2 failed Pilot relay contacts did not close or the relay coil did not energize no input furnace or air handler has failed Either the back to IFC chip Critical Alert Cleared after reset and Y1 input sensed pilot relay contacts did not close or the relay coil did not energize 349 Critical Furnace The O to R jumper on the furnace Configuration link R to O needs to be restored Replace link or hard wire Applicable in non commu
57. eat until the issue is resolved table continued on next page Page 51 icomfort Wi Fi 7 Day Programmable Communicating Thermostat Table 5 Alert Codes and Troubleshooting 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 Text Steps to clear 354 Critical Air Handler There is a problem with the air Heat section Stage 4 failed Same as Code 351 handler s 4th stage electric heat Either the pilot relay contacts did not close or the relay coil in the electric heat section did not energize The air handler will operate on 1st stage electric heat until the issue is resolved 355 Critical Air Handler There is a problem with the air Heat section Stage 5 failed Same as Code 351 handler s 5th stage electric heat Either the pilot relay contacts did not close or the relay coil in the electric heat section did not energize The air handler will operate on 1st stage electric heat until the issue is resolved 370 Critical Furnace The furnace control board has not Control sees the loss of 24VAC for 2 minutes Terminate all services and wait for interlock switch to received 24VAC power for 2 minutes or more close The alarm will clear when 24VAC is continuously sensed on DS terminal for a minimum of 10 seconds or on a
58. edule HOLD SSR does NOT look at the current temperature If the target program heat setpoint is lower than the Current SSR heat setpoint then the New SSR Heat Setpoint will equal the Current SSR Setpoint If the target program cool setpoint is higher than the Current SSR cool setpoint then the New SSR Cool Setpoint will equal the Current SSR Setpoint The New SSR Setpoint will be displayed on the User Interface SSR does NOT turn off Stage Delay Timers SSR does NOT round the newly rounded setpoint but the setpoint shown on the user interface is rounded SSR will NOT change the Temperature Dead band SSR will not adjust a setpoint to violate the Temperature Dead band SSR will not overshoot the Target Setpoint icomfort Wi Fi 7 Day Programmable Communicating Thermostat Heat Pump Dual Fuel and Balance Points IMPORTANT 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 en abled heat pumps optional outdoor temperature sensor X2658 for non communicating heat pumps Heat Pump Balance Points The LOW and HIGH setpoints may be controlled by the icomfort Wi Fi ther mostat using the LOW and HIGH Balance Points feature To enable the Bal ance Points feature go to the installer section equipment button Scroll down t
59. eer Temperature DAT min heat DIP SW book for size spe 5 ing handbook for size variable capacity furnaces only cific information Heating Airflow specific information High Heating Discharge Air Control Type 1 Temperature DAT 100 heat DIP SW 5 variable capacity furnaces only Default DAT value is rounded to the closest number on 5 deg F resolution and limited by Minimum and Maximum value 506920 01 09 12 Page 40 table continued on next page Table 3 Adjustable Parameters Table Installer Parameter Name Default Min Max Incr Dependency Installer entry Cooling Airflow Settings High Cooling Airflow CFM 100 OU tons Min Max 25 Outdoor Unit 1 2 HP blower cool 400CFM CFM CFM present Min Max 25 1 HP blower CFM CFM Low Cooling Airflow CFM lowest See Note 1 Min Max 25 2 stage Outdoor 1 2 HP blower cool stage at end of CFM CFM Unit present table Min Max 25 1 HP blower CFM CFM Airflow Profile Cooling DIP SW 0 3 1 Outdoor Unit 0 A 0N 50 30s 82 present 7 5min OFF 50 30s 1 B ON 82 7 5min OFF No delays 2 C ON No delays OFF 45sec delay 3 D No delays Heat Pump Airflow Settings High Heat Pump Airflow CFM OU tons Min Max 25 Heat Pump present 1 2 HP blower 100 400CFM CFM CFM Min Max 25 1 HP blower CFM CFM Low Heat Pump Airflow CFM See Note 2 Min Max 25 2 stage Heat Pump 1 2 HP blower lowest stage at end of
60. eg ees Add or Remove Non communicating equipment Maintenance Timers 2 020 e eee ee eee OUtgOGr UIE ce sige A A eace dees eeu Heed ee ee ess x 10 Humidifier ode g cen eee dees eke wee ee we we ack te wack 11 D h midifier ig emai devs weed Geese kd Gere Weed be weed dees 12 Adjust a setting screen 2 c eee eee eee eee 13 Configure Humidifier 0 0c cece eee eee eee 15 Configure Dehumidifier Humiditrol Aux Dehum installed 16 Configure Dehumidification no dehumidifier installed 17 Humidification and Dehumidification Modes how they work 18 Use the Test Features iien erd a oree orube eee ee PEDD NED a 19 Set up Equipment Parameters 0c cece eee eee eee 20 Use the Diagnostic Features 00 e cece eee eee 21 View and Clear Alerts 0 22 Enable Wi Fi from User Home Screen 22 22225 24 Register the icomfort Wi Fi thermostat 2 22 26 Personal Computer account registration to icomfort Wi Fi server 26 PC Welcome screen interactive demo Gelaskins 27 Access Installer Program from User Home Screen 28 Reconfigure a System 00 cece eect eee 29 Stage Delay Timers amp Differentials 0 c ee eee eee eee 30 Smooth Setback Recovery SSR 00 cece eee eee teens 31 Heat Pump Dual Fuel a
61. emove Non communicating equipment Figure 7 previous page shows how to access the Add or Remove Non communicating equipment screen Adding Non Communicating Outdoor unit See figure 8 for details for adding removing an outdoor unit Adding Humidifier The procedures in figure 9 describe adding a non communicating humidifier which will be controlled by the icomfort Wi Fi thermostat through the H or HUM terminals on the furnace or air handler Adding Dehumidifier The procedures in figure 10 describe adding a non communicating dehumidifier controlled by the icomfort Wi Fi thermo stat through the DH output on the furnace or air handler A NOTICE For details about how the humidification and dehumidification modes operate and how to configure those modes see additional in formation beginning on Page 18 Page 9 HUMIDITY CONTROL TIPS The standard humidification mode is Basic humidifier is energized during a call for heat if there is a humidification demand Sensed outdoor temperature required for some features is provided from one of the following sources A downloaded via Wi Fi when available primary source B sensor furnished with icomfort enabled outdoor units C separate outdoor sensor connected to the furnace or air handler outdoor sensor connections NOTE If no source for outdoor temperature is present Basic and Precision Dew Point Control modes are no
62. en you touch in one of the input fields press here to enter the keyboard tool appears Enter pass word if simply logging into an existing network or enter the network name if creating a new AP If you mistype the password or if you cannot access the selected network a message will alert you to retry Press connect to complete the connection Note that Wi Fi enable button on the Wi Fi SETTINGS screen changes to Wi Fi disable 506920 01 09 12 Page 24 Registering the icomfort Wi Fi thermostat From NETWORK SETTINGS screen you can change to the desired net work as shown in figure 28 Enter security key or passphrase X back to the WI FI SETTINGS screen NOTE NETWORK s marked with Selecting one of these wireless networks may result in an unreliable connection to NETWORK SET YOur thermostat Press help for tips on improving signal strength choose a wireless network owe returns to WI FI SETTINGS screen Figure 28 Change Networks Registration for online access From the WI FI SETTINGS screen press the thermostat not registered button see figure 29 Enter homeowner email address twice and press the register button A pop up screen then appears to notify the user to check their home comput er for instructions to complete the registration After the server sends the email with the network link registration and account creation must
63. er is capable of and set to operate in wireless network b mode Check router utility program or contact service provider for help A secure wireless net work is recommended over an open unsecured network You will need the homeowner s approval and router pass word to enable Wi Fi in a secured connection Enable Wi Fi To enable the Wi Fi feature to com municate with a wireless router 1 Press and release Wi Fi in the lower left corner of the HOME screen see START HERE The screen changes from the Home Screen to the WI FI SET TINGS screen Press the Wi Fi enable button Press next as necessary then press accept after reading the User Agreement Press NETWORK SETTINGS this screen shows a graphical view of buttons representing Wi Fi options OPEN and SECURE wireless networks and a button for creating a new access point AP Decide which of the following buttons you need to select 5 0 OPEN Wi Fi Port no password required 5 1 SECURE Ports requires router password WI FI SETTI NETWORK wii B SETTINGS J enable Ed accep mat Setup a netverk conrechon hetare rag rening ther martw Figure 27 Wi Fi setup 5 2 Create new AP Access Point 5 2a When creating a new AP you have the option of selecting a security level default is none choose from WEP WPA WPA2 depending on the security defined in the homeowner s router the password field appears Wh
64. erational Press done Exit the installer setup mode by selecting the EXIT button S An outdoor temperature sensor is provided in an icomfort enabled air conditioning unit To display the outdoor temperature on the home screen of the thermostat you must turn on or off the Outdoor Temp Display From the Home screen press press for more area and se lect the HELP icon Press the user preferences box and scroll down to Outdoor Temp Display Press the modify button and use the up down arrows to select On or Off and then press the save button Press done to return to the Home screen Turn the Indoor Humidity Display on and off in a similar manner as above icomfort Wi Fi 7 Day Programmable Communicating Thermostat icomfort enabled furnace amp non communicating air conditioner An icomfort enabled gas furnace G71MPP EL296V SLP98 SL280 with a conventional non communicating air conditioner 1 506920 01 09 12 Wiring See Communicating Indoor Non Communicating Out door System Wiring diagram on Page 59 and Optional Accessories Wiring Page 61 for any accessories being installed with the system e 4 conductor thermostat wire from the icomfortWi Fi thermostat to the gas furnace R i i C e Conventional thermostat wire with 2 to 4 conductors from the fur nace terminal strip to the AC unit Y1 C amp on some models R amp Y2 e Wiring as required for accessories Cut option link 2 stage c
65. ery pro cess The thermostat will display missing devices old control and found compatible devices new control Press the next button to accept the new device and copy the settings Thermostat will display Settings were copied after successfully copying the information to the new control See section title Reconfiguring a system in this manual table continued on next page Table 6 Troubleshooting Tips No Issue Problem Possible Cause Corrective Action Comments Determine the actual Software ver sion of the thermostat or one of the icomfort unit controls Bold text indicates a button or text display on the thermostat icomfort software is stored in the control and can be retrieved From the home screen click the right arrow then click service info button then click the thermostat info button display shows model amp serial numbers and hardware software Wi Fi revision information The icomfort thermostat shows an er ror code related to the outdoor sensor and or the DAS even after removing these optional accessories The outdoor sensor and dis charge sensor are options how ever if the system was setup with the sensor in place the icomfort system will see an open sensor reading if it is disconnected Disconnect the outdoor sensor or discharge sensor Using the installer program reset the system by selecting setup button and follow the screen prompts as the thermostat goes through
66. eviously active alerts that were cleared by the device or installer Until at least one alert has been cleared by the device or the installer the message There are no new alerts that require service will be displayed The first alert will be displayed in the alert screen figure 24B in order of 1 A red alert icon 2 A yellow alert icon service A red alert icon identifies a system or device issue that can prevent the sys tem from working properly or at all and if allowed to run could cause dam age to the system The issue raised by the alert must be addressed and corrected before clearing the alert Press clear figure 24B to clear a red alert The alert will be stored in the cleared alerts file If an alert cannot be cleared revisit the alert issue and make repairs accordingly Page 22 System Devices System system and device alerts M Furnace o Thermostat deselect all System setup Diagnostics is complete alert description A active alerts ALERT 1 of 5 Minor Alert Code 117 System reports Furnace Poor Ground detected Latest Occurrence 10 25 2011 1 13 pm 2 Occurrences First Occurrence 10 25 2011 12 01 pm 9 39 am Aug 15 2012 A ecco view active d core view cleared eeo oe Figure 24 Selecting and viewing alerts After all active alerts have been cleared only the back button remains and the alerts box shows No Alerts Figure 25 Press back to return to
67. fier pad UV light and PureAir Air Purification system and are not shown in the installer s menu 506920 01 09 12 From the user s home screen press and hold the Lennox logo in the bottom right corner of the thermostat to access the installer program Press yes when asked if you want to proceed The installer screen opens at the sys tem and device alerts screen figure 24A The left side of the system and device alerts screen shows a list of each communicating device discovered in the system and check boxes for select ing each device Or you may use buttons to the right of the System Devices list to select all or deselect all After something has been selected use view active to list all active alerts for selected devices If there are no alerts the display will show There are no new alerts that require service If there are alerts these are stored for recall but only one alert will appear in the box at a time see figure 24B Use the next button to advance through all the alerts If only one alert is present the next button will not appear Alerts may pop up on the screen during setup Details of all active alerts can only be accessed through the installers screens To view all alerts present at any time press the alerts button System setup Diagnostics is complete figure 24B appears close it and the Select devices to view alerts screen figure 24A appears Use view cleared alerts to list pr
68. for auxiliary heat strips if used Wiring See Communicating System Wiring diagram on Page 59 and Optional Accessories Wiring Page 61 for any accessories be ing installed with the system e 4 conductor thermostat wire from the icomfortWi Fi thermostat to the air handler R i i C e 4 conductor thermostat wire from the air handler terminal strip to the icomfort enabled HP R i i C e Wiring as required for accessories DO NOT cut any option link on air handler control After the entire system is wired power up the system the icomfort Wi Fi thermostat will check the system for installed communication de vices On the thermostat go past the Add or remove non communicating de vices to the To adjust a setting screen Select the System from the device list using the up down arrows and press the edit button Select Balance Point Control and press edit Use the down arrow to select Enabled and press save High and Low Balance Points will ap pear in red Complete Balance Point Control by editing the High and Low Balance Points It is not necessary to change the defaults but you must save each setting The red settings will go away after pressing save Press the back button to return to the adjust screen 8 10 TIP Page 70 Use the arrows to select Air Handler from system devices list Press edit From this Air Handler screen you will have access to the various airflow settings
69. g as required for accessories 2 DO NOT cut any option link on furnace control 3 After the entire system is wired power up the system the icomfort Wi Fi thermostat will check the system for installed communication de vices On the thermostat go past the Add or remove non communicating de vices to the To adjust a setting screen Select System from the de vice list using the up down arrows and press the edit button Select Balance Point Control and press edit Use the down arrow to select Enabled and press save High and Low Balance Points will ap pear in red Complete Balance Point Control by editing the High and Low Balance Points It is not necessary to change the defaults but you must save each setting The red settings will go away after pressing save Press the back button to return to the adjust screen Use the arrows to select Furnace from system devices list press edit From this Furnace screen you will have access to the various air flow settings Set the system air volumes according the needs of the home When you change certain settings the system will prompt you to please view and save all red settings Use the arrows to select the red settings and press edit Either make changes or not but press save either way The red settings will go away after pressing save Page 67 When all CFM settings are complete press the back button Press next step to advance
70. ge Delay 20 Minutes 5 to 120 Minutes 5 Min 3rd Stage Delay 20 Minutes 5 to 120 Minutes 5 Min 4th Stage Delay 20 Minutes 5 to 120 Minutes 5 Min 5th Stage Delay 20 Minutes 5 to 120 Minutes 5 Min 6th Stage Delay 20 Minutes 5 to 120 Minutes 5 Min Number of stages shown in thermostat is dependent on equipment that is installed Electric heat will bring on 2 elements at a time if available table continued on next page Page 37 icomfort Wi Fi 7 Day Programmable Communicating Thermostat Parameter Name Table 3 Adjustable Parameters Table Installer Ce Parameter Value Setting paese Installer entry Lock in 2nd stage HP by Outdoor Temp Off 40 F 4 C 45 F 7 C 50 F 10 C 55 F 13 C Balance Point Control Disabled Enabled Disabled Humiditrol Comfort Adjust Maximum Maximum Midpoint Minimum Overcooling High Balance Point 50 F 17 F to 75 F 1 F Low Balance Point Control 25 F 20 F to 72 F 1 F Defrost Target Discharge Temp 55 F 50 F to 60 F 1 F Dehumidification Control Mode Display Only Display O R eee when Humidification Control Mode Display Only Display SURE Pein Do e O A Gons Autochangeover Humidification Deadband 5 5 to 10 1 Max Humidification Setpoint 45 15 to 45 1 Min Dehumidification Setpoint 40 40 to 60 1 Max Dehumidification Setpoint 40 40 to 60 1 OK Humid Boundary 50 45 to 60 1 Outdoor Tempe
71. ges 506920 01 09 12 Table 1 System setting defaults and range system setting range condition default use Time and Date see Page 7 Daylight Saving Dealer Address Dealer Phone alpha numeric characters 1 800 9 LENNOX use keyboard tool to change Time Enabled Disabled Enabled Circulate Fan 15 to 50 in 1 35 ON Time increments alpha numeric use keyboard System Name characters z tool to change Dealer Number tiii Dealer Name Lennox Dealer Email Dealer Website Page 6 www lennox com Set time and date Use the arrows to select Time and Date press edit see figure 5 to proceed When Time and Date screen figure 6 appears enter the correct date as to the Set current time and date screen figure 6 follows Use the left and right arrows to change the month and year i ee Touch a day of the month to select it i To adjust a setting highlight it then system settings press Edit Press on the hour or minute up down arrows appear to allow change Time and Date current value e Touch the am pm field to toggle it between am and pm 9 39 am Aug 15 2012 When the correct date and time is set press save to save settings and return to previous settings screen Touch next to continue to next screen Daylight Saving Time Circulate Fan ON Time System Name Dealer Number Dealer Name system settings Dealer Address Dealer Phone January
72. heck and correct voltage Check for additional power nace or air handler control board is lower than robbing equipment connected to system This alarm code may require the installation of an addition the required range of 18 to 30VAC al or larger VA transformer 117 Minor Furnace The reporting unit has poor earth Provide proper grounding for the unit Check for proper earth ground to the system The alarm code grounding will clear 30 seconds after it is corrected 120 Moderate Stat Furnace Air Handler Outdoor Unit Typically this alarm code does not cause any issues and will clear on its own The alarm code is There is a delay in the stat furnace air handler usually caused by a delay in the outdoor unit responding to the thermostat Check all wiring connec or outdoor unit responding to the system tions Cleared after unresponsive device responds to any inquiry 124 Critical Stat Furnace Air Handler Outdoor Unit The Equipment lost communication with the thermostat Check the wiring connections ohm wires and thermostat has lost communication with the fur cycle power The alarm stops all associated HVAC operations and waits for a heartbeat message nace air handler or outdoor unit for more than from the unit that s not communicating The alarm fault clears after communication is re established 3 minutes 125 Critical Stat Furnace Outdoor Unit There is a hard There is a control hardware problem Replace the control if the
73. i 7 Day Programmable Communicating Thermostat Setting up typical systems AIR HANDLER amp AIR CONDITIONER icomfort enabled Air Handler amp icomfort enabled Air Conditioner An icomfort enabled air handler CBX32MV or CBX40UHV with an icom fort enabled air conditioner XC17 or XC21 only NOTE IMPORTANT Be sure to configure the air handler control so that heat strips if used information will be detected by the icomfort thermostat This must be done prior to powering up the system and thermostat 1 Configure air handler control AHC for auxiliary heat strips if used 2 Wiring See Communicating System Wiring diagram on Page 59 8 and Optional Accessories Wiring Page 61 for any accessories be red settings and press edit Either make changes or not but press save either way The red settings will go away after pressing save When all CFM settings are complete press the back button Press next step to advance to the tests button Test the system operation and confirm the system is electrically ener gized and operational Particularly test the heat strips when used to insure the auxiliary stages operate as designed Press done Exit the installer setup mode by selecting the EXIT button ing installed with the system TIPS e 4 conductor thermostat wire from the icomfort Wi Fi thermostat e to the air handler R i i C e 4 conductor thermostat wire from the air handler terminal strip to the icomfort ena
74. is being used with a G71MPP or SLP98 furnace and is set to variable capacity mode of operation the icomfort default with these units the thermostat s settings for stage timers are ignored even if shown enabled in the thermostat The stage timer will be used on the cooling side The furnace software sets and controls the firing rates The only other controlling factor is the stage temperature differentials In Load Tracking Variable Capacity default for these furnaces both stage timers and temperature differentials are ignored 506920 01 09 12 Page 14 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 To adjust a setting highlight it then press Edit System Devices Air Conditioner Furnace Thermostat Power 120VAC Humidifier 2nd Stage Differential Staged Delay Timers 2nd Stage Delay Dehumidification Control Mode Select one Display Only 1st Stage Differential 2nd Stage Differential Staged Delay Timers 2nd Stage Delay Dehumidification Control Mode Precision Humidification Control Mode Max Humidification Setpoint OK Humid Boundary Outdoor Temperature Reading 9 39 am Aug 15 2012 Pre adjustment REQUIREMENTS 1st the device has been installed see Page 11 2nd you pressed next at the Add or Remove screen see Page 11 Configure the devi
75. l 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 Text Steps to clear 180 Critical Furnace Air Handler Outdoor Unit The ther In normal operation after control recognizes sensors the alarm will be sent if valid temperature mostat has found a problem with the furnace reading is lost Compare outdoor sensor resistance to temperature resistance charts in unit installa air handler or outdoor unit outdoor sensor ion instructions Replace sensor pack if necessary At the beginning of any configuration furnace or air handler control will detect the presence of the sensor s If detected reading in range ap propriate feature will be set as installed and shown in the About screen The alarm fault will clear upon configuration or sensing normal values 200 Critical Furnace The furnace rollout limit switch is Correct the cause of rollout trip Reset rollout switch Reset power to clear Test the furnace opera open ion The alarm fault clears after the furnace rollout switch is closed 201 Critical Furnace Air Handler The system has lost Lost communication with indoor blower motor Possible causes include power outage brown out communication with the furnace or air handler motor not powered loose wiring condensation on ai
76. l run cycles or power reset 404 Critical Outdoor Unit The compressor rotor is locked Compressor rotor locked up due to run capacitor short bearings are seized excessive liquid refriger up This could be due to a short circuiting of the ant etc NOTE May need to install hard start kit Clears the error after 4 consecutive normal run run capacitor seizing of the bearings or exces cycles or after power reset sive liquid refrigerant etc 405 Critical Outdoor Unit The compressor circuit is open Compressor circuit open due to power disconnection open fuse etc Clears the This could be due to a power disconnection error after 1 normal compressor run cycle open fuse etc 406 Critical Outdoor Unit The required amount of current is Required amount of current is not passing through Start current transformer Clears the error after not passing through the start current transform er current is sensed in START sensor or after power reset 506920 01 09 12 table continued on next page Page 52 Table 5 Alert Codes and Troubleshooting 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 Text Steps to clear 407 Critical Outdoor Unit The required amount of current is Required amount of current is not passing
77. lay amp Differential Settings Installer settings 1st Stage Differential1 Stage 1 differential is used in all thermostats The 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 Differential Press edit Use the up down arrows to adjust to the desired setting and press save 2nd Stage Differential where applicable 2 The default is 1 0 F but can be programmed between 0 5 and 8 0 F in 0 5 F increments 3rd Stage Differential through 6th Stage Differential where applica ble 3 The default is 0 5 F but can be programmed between 0 5 F and 8 0 F in 0 5 F increments NOTE Each stage s differential is based on the previous stage s differential endpoint For example in cooling mode if stage 1 differential is set to 1 0 F then the system comes on 0 5 F above setpoint and the 2nd differential starts at the 0 5 F stage 1 endpoint and extends to 2nd stage differential end point NOTE In normal operation the end of the cooling demand is at the setpoint 0 5 F and the end of the heating demand is at the setpoint 0 5 F Staged Delay Timers4 default Enabled When ON all stage delay timers stages 2 through 6 are enabled and will serve to bring on additional stage s of cooling or heating on a timed basis default 20 minutes in cases when the 506920 01 09 12 previous stage of heating or cooling will not raise o
78. ll reduce firing rate to 1st stage The alarm fault clears when a heat call finishes successfully 312 Minor Furnace Air Handler The blower cannot pro Warning Only Restricted airflow Indoor blower is running at a reduced CFM Cutback Mode The vide the requested CFM due to high static variable speed motor has pre set speed and torque limiters to protect the motor from damage caused by operating outside of design parameters 0 to 0 8 e g total external static pressure Check filter and duct system To clear replace filter if needed or repair add duct The alarm fault is cleared after the current service demand is satisfied 313 Minor Furnace Air Handler The indoor and outdoor Check for proper configuring in installation instructions Alarm is just a warning The system will unit capacities do not match operate but might not meet efficiency and capacity parameters The alarm will clear after commis sioning is complete 344 Critical Furnace Relay Y1 Failure Y1 relay failed operation stopped Alarm clears 300 seconds after Y1 input sensed OFF 506920 01 09 12 table continued on next page Page 50 Table 5 Alert Codes and Troubleshooting 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 Text Steps to cl
79. n on the subnet in or outside of configuration mode Clear by reconfiguring device on the system the system Press the setup tab press start and press confirm If problem persists then check all DEVICE connections to make sure they are icomfort compatible 11 Critical Stat The thermostat cannot find a previously Check all connections and cycle system power If problem persists clear by reconfiguring the sys installed unit tem Press the setup tab press start and press confirm If problem persists then check all DEVICE connections to make sure they are icomfort compatible 12 Critical Stat The thermostat cannot find an icomfort Thermostat did not find an Indoor Unit Make sure there is an icomfort indoor unit on the system enabled indoor unit Check R i i and C connections ohm wires and cycle power Replace indoor unit control board if there is no response 14 Critical Stat The thermostat found more than one ther Check wiring and remove duplicate equipment Reconfigure system mostat more than one indoor unit or more than one outdoor unit on the system 18 Minor Stat The outside temperature is below the lev Notification only Outdoor Temp is below the Low Balance Point Heat Pump will not be used to el where the heat pump is programmed to heat service a heating demand the home The system will not use the heat pump to warm your home 19 Minor Stat The outside temperature is higher than Notification only Outdoor Temp is
80. nd Balance Points 02 0000 32 Gas Heat Control Mode 2 0 2 0 0502 e cece ees 34 Table 2 Variable Capacity Furnace Operation 22 00 35 Table 3 Adjustable Parameters Installer 00020e00 37 Table 4 Adjustable Parameters User 0002 cee eeee eee 43 Table 5 Alert Codes and Troubleshooting 000eee eee 45 Homeowner Service Codes 25052202000 54 506920 01 09 12 Table 6 Troubleshooting Tips 00 eee cece eee eee eee 55 Wiring Diagrams epeari tasr sndi anes pdo gabe neasa PANES eg eee oa EER 59 Thermostat wire termination in communicating system 63 Table 7 Replacement Controls 0000 e cece eee eee eee eee 72 Setting up typical icomfort systems Indoor Unit Outdoor Unit icomfort enabled AC 65 non communicating AC 66 icomfort enabled HP 67 non communicating HP not supported icomfort enabled AC 68 non communicating AC 69 icomfort enabled HP 70 non communicating HP 71 A CAUTION This is a 24VAC Class 2 thermostat Do not install on voltages higher than 30VAC Do not switch system to cool if the outdoor temperature is below 45 F 7 C This can damage the cooling system A WARNING Electric shock hazard icomfort enabled furnace icomfort enabled furnace dual fuel icomfort enabled air handler icomfort enabled air handler Al
81. nd stage thermostat demand Furnace firing rate will increase by 5 every 5 minutes up to 100 if second stage thermostat is not satisfied If thermo stat second stage demand is satisfied the current firing rate will continue until all thermostat demands are satisfied N Third level heat de mand added Thermostat will immediately increase variable capacity fur nace firing rate to the calculated BTU percentage represent ing the third stage thermostat demand Thermostat will increase the firing rate by 5 every 5 minutes up to 100 if third stage thermostat is not satisfied If ther mostat third stage demand is satisfied the current firing rate will continue until all thermostat demands are satisfied N Fourth level heat de mand added Icomfort thermostat will immediately set variable capacity furnace firing rate to 100 until all thermostat demands are satisfied icomfort Wi Fi 7 Day Programmable Communicating Thermostat Load tracking Variable Capacity FAQs SLP98V only What is Load tracking Variable Capacity When an SLP98 Furnace is connected to an icomfort Wi Fi thermostat the thermostat takes complete charge of the variable capacity staging of the furnace Load tracking Vari able Capacity is only available with icomfort Wi Fi thermostats How is Load tracking Variable Capacity different from Variable Ca pacity Load tracking Variable Capacity will smoothly track the load sensi ble
82. needs to be restored nicating mode Critical Alert 350 Critical Air Handler The air handler s electric heat is Heat call with no configured or mis configured electric heat Check for proper configuring under not configured Configuring Electric Heat Stages in the air handler installation instructions Cleared after electrical heat detection is successful 351 Critical Air Handler There is a problem with the air Heat section Stage 1 failed Pilot relay contacts did not close or the relay coil in the electric heat handler s 1st stage electric heat Either the pilot section did not energize Air handler will operate on 1st stage for reminder of the heat call Will clear relay contacts did not close or the relay coil in after fault recovered the electric heat section did not energize 352 Critical Air Handler There is a problem with the air Heat section Stage 2 failed Same as Code 351 handler s 2nd stage electric heat Either the pi lot relay contacts did not close or the relay coil in the electric heat section did not energize The air handler will operate on 1st stage electric heat until the issue is resolved 353 Critical Air Handler There is a problem with the air Heat section Stage 3 failed Same as Code 351 handler s 3rd stage electric heat Either the pilot relay contacts did not close or the relay coil in the electric heat section did not energize The air handler will operate on 1st stage electric h
83. ng Diagrams icomfort Communicating Indoor non Communicating Outdoor System Wiring icomfort by Lennox AIR HANDLER AHC OPTIONAL DIS CHARGE AIR SEN SOR SEE DAS DISCHARGE AIR SENSOR NOTE Page 59 icomfort Wi Fi THERMOSTAT GREEN OUTDOOR AIR SENSOR 00102 C WHITE i YELLOW i RED R RSBus Maximum total length of all connec tions on the RSBus is limited to 1500ft Wire gauge of RSBus wire is 18 HP A icomfort Wi Fi Thermostat icomfort by Lennox Air Handler Standard Outdoor Heat Pump 506920 01 09 12 OUTDOOR UNIT 20000 095 Looe bo THERMOSTAT OPTIONAL OUT DOOR AIR SENSOR SEE OAS NOTE ne Page 59 Setup Notes Cut Y1 Y2 Onboard Link AN For 2 stage Outdoor Units Cut R O Onboard Link A For Outdoor Heat Pump Units STANDARD OUTDOOR HEAT PUMP UNIT 1 OR 2 STAGE LS o O w Ov v LSOM ONLY LS LOR Se Y2 OUT BL icomfort by Lennox FURNACE IFC OR AIR HANDLER AHC OPTIONAL DIS CHARGE AIR SEN SOR SEE DAS Se NOTE Page 59 icomfort Wi Fi THERMOSTAT OUTDOOR AIR SENSOR GREEN cO i S WHITE i S YELLOW DISCHARGE AIR SENSOR R S RED RSBus Maximum total length of all connec tions on the RSBus is limited to 1500ft Wire gauge of RSBus wire is 18
84. o the System screen select edit and scroll down to Balance Points Controls Use arrows to select Enabled and then press save See the flow chart Page 33 for a simplified explanation of how balance points control system operation Low Balance Point If the outside temperature is below the programmed low balance point set by default at 25 F compressor operation is not allowed Since the heat 506920 01 09 12 pump is not as effective at a lower outdoor temperatures it may be more comfortable to use the auxiliary electric heat or the furnace in dual fuel sys tems it may be more economical to satisfy a demand for heat The low bal ance point options are from 20 F to the high balance point temperature The setpoint can be adjusted in 1 0 F steps High Balance Point If the outside temperature is above the programmed high balance point set by default at 50 F auxiliary electric heat operation or furnace operation in dual fuel system is not allowed This ensures that the lower cost heat pump operation will satisfy the heating demand rather that the more expensive auxiliary electric heat The high and low balance points will not lock out both compressor heat and auxiliary heat furnace at the same time Dual Fuel Applications Communicating Systems Only Dual fuel applications which include both a Heat Pump and a gas furnace will provide multiple stages of heating For example a two stage heat pump would deliver two stages
85. omfort Wi Fi Registration screen 506920 01 09 12 Page 26 Personal Computer Welcome page Interactive Demo Online icomfort information Using Gelaskins LENNOX 0 App Store WO trae Ie 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 able to view your icom fort system settings adjust the temperature and view reminders and alerts just as you would on your icomfort Wi Fi thermostat at home With a famil iar look and settings this simple you should feel right at home Don t forget to check out the available Apps and customizable skins using the links on the right side of the page From the welcome page you may also click on links to launch an interactive demo or learn more abouticomfort Wi Fi How Do I Turn on Skins on the icomfort Wi Fi Thermostat From the thermostat Home screen press then display setting then power save buttons From the pop up menu select skins The skin picture will appear after 30 seconds of inactivity How Do I Upload a Skin Skins should be ordered from www gelaskins com lennoxicomfort After or dering the skin Gelaskins will email the image file jpg to the homeowner This jpg has been altered to display correctly on the icomfort Wi Fi Ther mostat Images can be uploaded to the icomfort Wi Fi thermostat from the consumer portal site www myic
86. omfort com under the tab skins Page 27 icomfort Wi Fi 7 Day Programmable Communicating Thermostat Access installer program from Home screen To access the installer program after the unit has been placed in operation and 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 outdoor indoor temperature temperature set temp O 73 a Z indoor humidity is 41 system is cooling Wi Fi 9 39 am Aug 15 2012 Figure 32 Enter installation setup mode from home screen 506920 01 09 12 A message screen stating Qualified Lennox equipment installer warning screen appears Figure 33 Press yes to proceed no returns to the home screen WARNING The following screens are intended for use by qualified Lennox equipment installers only Do you want to proceed Figure 33 Qualified Lennox equipment installer warning When you press yes the thermostat s processor will search for communi cating devices in the system The next display will be a summary of all alerts detected see figure 34A After initial installation if an alert is present when you are making changes to settings no action on the alert is mandatory Page 28 Reconfigure a system If any component of the HVAC system has been changed e g replacing an outdoor sensor reconfiguring the system will be required To begin reconfi guring a sy
87. ompr Y1 to Y2 W915 on furnace control on two stage AC units only After the entire system is wired power up the system the icomfort Wi Fi thermostat will check the system for installed communication de vices Inthe installer setup button select Add or Remove non communicat ing equipment by using the yes button Select the Outdoor Unit Type from the device list using the up down arrows and press the edit button Then select the AC type 1 stage AC or 2 stage AC and press the save button Select the outdoor unit capacity and minimum outdoor unit capacity 2 stage only Press save after editing each setting Press back when finished to return to the adjust screen 7 9 10 Use the arrows to select Furnace from system devices list press edit From this Furnace screen you will have access to the various air flow settings Set the system air volumes according the needs of the home When you change certain settings the system will prompt you to please view and save all red settings Use the arrows to select the red settings and press edit Either make changes or not but press save either way The red settings will go away after pressing save When all CFM settings are complete press the back button Press next step to advance to the tests button Using up down arrows select the test options individually if so de sired you may choose to TEST ALL and press the select b
88. opens at 590 psig system shuts down and above the required limit The system will shut closes at 418 psig system restarts down 413 Critical Outdoor Unit The high pressure switch has Open high pressure switch error count reached 5 strikes Check system charge opened 5 times during one cooling cycle As a using approach and sub cooling temperatures Check outdoor fan operation Check for dirt or debris result the thermostat has shutdown the outdoor blocking air flow to outdoor unit Reset by putting outdoor unit control in test mode or resetting low unit voltage power 414 Critical Outdoor Unit The discharge line temperature Discharge line temperature is gt 279 F Make sure coil is clean and airflow unobstructed in and out of is higher than the recommended upper limit of condenser Check system operating pressures and compare to unit charging charts in installation 279 F manual Clears after discharge temperature is lt 225 F 415 Critical Outdoor Unit The discharge line temperature Discharge line high temperature error count reached 5 strikes Make sure coil is clean and airflow has been consistently higher than the recom unobstructed in and out of condenser Check system charge using approach and sub cooling tem mended upper limit of 279 F peratures Reset by putting outdoor board in test mode or resetting low voltage power 416 Critical Outdoor Unit The outdoor coil sensor is either Sensor being detected open or shorted or tempera
89. ore area and se lect the HELP icon Press the user preferences box and scroll down to Outdoor Temp Display Press the modify button and use the up down arrows to select On or Off and then press the save button Press done to return to the Home screen Turn the Indoor Humidity Display on and off in a similar manner as above icomfort enabled Air Handler amp conventional non communicating Air Conditioner An icomfort air handler CBX32MV or CBX40UHV with a conventional non communicating AC unit NOTE IMPORTANT Be sure to set up the air handler control for heat strips if used prior to powering up the system and thermostat 1 2 Configure air handler control AHC for auxiliary heat strips if used Wiring see Communicating Indoor Non Communicating Out door System Wiring diagram on Page 59 and Optional Accessories Wiring Page 61 for any accessories being installed with the system e 4 conductor thermostat wire from the icomfort Wi Fi thermostat to the air handler R i i C e icomfort air handler to conventional AC 5 8 wires Y1 Y2 C R W1 W2 e Wiring as required for accessories On 2 stage AC cut the W915 2 Stage Compr onboard clippable link 4 On air handler control remove jumper between W1 amp W2 for two stage electric heat only After the entire system is wired power up the system the icomfort Wi Fi thermostat will check the system for installed communication d
90. ps Bold text indicates a button or text display on the thermostat No Issue Problem Possible Cause Corrective Action Comments Manually configure to discover the electric heat section s on the air handling see Page 64 or CBX32MV or CBX40UHV manual for de tails Re setup the icomfort system by selecting the setup button in the Installer program and press start to begin system discovery then reconfigure the system Thermostat Displays System Wait ing message and the furnace does respond to a heating demand no red critical alert icon or alert messages are displayed on the thermostat The furnace is in watchguard mode moderate alert and will not display the red critical alert icon nor be displayed in the homeowner alert button Go to the installer program alert button to view all alerts and details about those alerts If the furnace is in watchguard mode the furnace can be reset from the Home screen by setting the thermostat system settings to off for 20 sec then back to heat Then initiate a new heat demand Outdoor temperature is not displayed on the thermostat Outdoor Temp Display must be enabled to display the outdoor temperature on the home screen On the home screen press the right arrow then press the display settings button Click on outdoor temp dis play button to toggle ON A humidifier was added to the system as non communicating equipment and the thermostat does not
91. r The icomfort does not display an alert code message but the furnace or unit control displays a diagnostic code The red Critical Alert icon and homeowner alert button do not display non critical alerts Go to the installer program alert button to view all alerts and details about those alerts The icomfort thermostat does not dis play the Model and or Serial in door or outdoor unit The icomfort control was re placed with a replacement control before the icomfort system was initially setup or configured Replacement icomfort controls do not have the Model or Serial loaded in the control The Model and Serial cannot be added to the control System will still operate normally A non communicating 2 stage out door unit was added to the system but the unit only runs in 2nd stage The W915 2 Stage Compr clip pable option link on the furnace or air handler control must be cut when used with a non communi cating 2 stage outdoor unit Cut the W915 2 Stage Compr option link on the furnace or air handler control Transfer the Model Serial and system settings to a replacement control 506920 01 09 12 The icomfort system is capable of copying settings from the pre vious configuration to the new compatible device control found Page 56 Reconfigure the system using the installer program and select the setup button The system will go through the system discov
92. r handler control without cover on breaker indoor blower motor Problem may be on control or motor side Cleared after communication is restored 202 Critical Furnace Air Handler The unit size code for Incorrect appliance unit size code selected Check for proper configuring under Unit Size Codes for the furnace or air handler and the size of blow Furnace Air Handler on configuration guide or in installation instructions The alarm fault clears after er motor do not match he correct match is detected following a reset Remove the thermostat from the system while apply ing power and reprogramming 203 Critical Furnace Air Handler The unit size code for No appliance unit size code selected Check for proper configuring under Unit Size Codes for Fur the furnace or air handler has not been se nace Air Handler on configuration guide or in installation instructions Critical Alert The alarm fault lected clears after the correct match is detected following a reset Remove the thermostat from the system while applying power and reprogramming 204 Critical Furnace There is a problem with the furnace Check gas valve operation and wiring The alarm fault clears after the issue is corrected gas valve 205 Critical Furnace The furnace gas valve relay contact Check wiring on control and gas valve The alarm fault clears after the issue is corrected is closed 206 Critical Furnace The furnace gas valve 2nd stage Furnace will operate on 1st s
93. r lower the room tempera ture to the setpoint in a given time When Disabled is selected all stage delay timers are disabled This means stages are changed based on the temperature and not their timer delays NOTE The 2nd Stage Delay Timer when Staged Delay Timers is Enabled is used for both HEATING and COOLING However if the system has a vari able capacity furnace 2nd Stage Delay Timer will only be used for COOL ING not for heating as the variable capacity algorithm ignores delay tim ers 2nd thru 6th Stage Delay timer where applicable 5 If Staged Delay Tim ers are Enabled the default delay is 20 minutes but can be programmed from 5 to 120 minutes in 5 minute increments If first stage fails to advance the ambient temperature toward the setpoint by 1 0 F in the programmed delay time then the second stage is activated Heat Cool Stages Locked In6 default Disabled heat cool stages are turned off separately If changed to Enabled heat cool stages are turned off together Scroll to Heat Cool Stages Locked In press edit Use arrows to select between Disabled or Enabled Press save Lock In 2nd stage HP by Outdoor Temp7 default Off heat pump stage 2 operates normally Use this setting to lock in the 2nd stage compressor when the outdoor temperature is at or less than the LOCK TEMP setpoint Scroll to Lock In 2nd stage HP by Outdoor Temp press edit Use arrows to select a temperature between 40 and 55 F Press save
94. rature Reading Calibration 0 10 F to 10 F 1 Q D010 Q P O to Q e O e O O P P or AIR OND O R Equipment Name HP amp AC Outdoor Unit keyboard input screen up to 35 characters in string Compressor Short Cycle Delay HP and AC 300 Seconds 60 to 300 Seconds 60 Sec Compressor Shift Delay On Off HP only On On Off Defrost Termination Temp HP only 50 F 50 F to 100 F 10 F 506920 01 09 12 Page 38 table continued on next page Table 3 Adjustable Parameters Table Installer Parameter Name Default Parameter Value Setting Increment Installer entry AIR HANDLER Equipment Name Air Handler keyboard input screen Electric Heating Airflow nnnn CFM 5CFM Low Cooling Airflow See Note 3 at NOTE CFM Default and Values Settings are depen 5CFM f f d of table dent on the tonnage of the unit High Cooling Airflow en 5CFM 1 No Delays Cooling Airflow Profile 1 2 ON No delays OFF 45 sec delay 3 ON 82 7 5min OFF No delays 4 ON 50 30s 82 7 5min OFF 50 30s Low Heating Airflow 5CFM High Heating Airflow fee Noles m NOTE CFM Default and Values Settings are depen 5CFM Continuous Indoor Blower Airflow end of table dent on the tonnage of the unit 10CFM Humidification Airflow 10CFM 5 7 Dehumidification Airflow 70 60 to 80 percentage of reduction of High Cooling 1 Airflow Delays Heating Indoor Blower
95. restored more than 3 minutes 32 Moderate Stat The furnace air handler or outdoor unit Indicated unif is resetting itself This event may occur during a power outage or power fluctuation in is resetting itself the system If persistent or if it coincides with the system operation then proceed with the following steps Check the power connections check the amp draw at the transformer the transformer maybe overloaded and check 24VAC voltage at the DEVICE The alarm is only cleared by pressing the clear button on the Installer Alerts Tab If the fault persists after checking the connections replace the unit s control board table continued on next page Page 45 icomfort Wi Fi 7 Day Programmable Communicating Thermostat Table 5 Alert Codes and Troubleshooting 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 Text Steps to clear 34 Critical Stat The thermostat does not know the capac Indicated unif is missing the programmed unit capacity Go to ndicated unif and program the unit ity tonnage of the furnace air handler or out capacity manually See the unit IOM for programming instructions Remove power to thermostat door unit Pleas
96. rnal Sensors outdoor temperature discharge air Humidify Control Dehumidify Control Figure 1 icomfort by Lennox system Page 3 BEST PRACTICES Keep all communication wiring as far away from house electrical wiring and large electrical appliances as possible 15 5m recom mended The thermostat also supports three languages English French Spanish supports air conditioning units or heat pump units with up to four stages of heat two stages of compressor operation 2 stages of heat pump heating 2 stages of auxiliary back up heating 2 stages of emergency heating supports Indoor Air Quality with time based notification of consum ables including media filters UVC bulbs humidifier pads and Pure Air system catalyst service replacement supports variable capacity multi stage heat cool universal compati bility gas electric heat pump ac and is dual fuel capable icomfort enabled HP only with two balance points Important Connections to non communicating outdoor units and accessories are de scribed in the Quick Start Installation guide Wiring diagrams are also shown beginning on Page 59 of this manual Supports Humidification Measurement and Control Dew Point Adjustment Control Dehumidification Measurement and Control Humiditrol Enhanced Dehumidification Accessory EDA Multi Stage HVAC Systems Equipment Maintenance Reminders Autochangeover Mode Permits
97. rt Wi Fi server NOTE This following information is customer setup in structions and is shown here to allow the installer to help Wa icomfort LENNOX walk the customer through the setup process After registering through your icomfort Wi Fi thermostat in terface go to the homeowner s computer and locate the email sent from the server Dear Customer Congratulations on your purchase of a Lennox icomfort ther icomfort Registration Click Here mostat You are only a few steps away from total control of Create an Account Already have an account your Lennox icomfort system Registering your thermostat will allow you to remotely access it from anywhere in the All fields are required world on any device with an internet connection Please com foe plete your Lennox icomfort registration by clicking the link be ser Name lw Register e a Saar sia NOTE if the customer has already setup an account peee click the Click Here button to access that account f Click on the Register link the screen to the left will appear sword must have a minimum of 6 characters and must include at least one number Fill in the User Name and Password fields and check the Confirm Password agree to terms and conditions box Click Create User button A series of pages and prompts follows to provide guidance through profile setup and user preference definitions O Yes I agree to the Terms and Conditions Figure 30 ic
98. scroll to the Dealer Number setting Press edit and use the buttons Seidetone typewriter tool shown in figure 3 to enter your dealer number Press save to store the identification Dealer Number Not Installed 1 Stage A C Unit 2 Stage A C Unit 1 Stage HP Unit 2 Stage HP Unit system settings To adjust a setting highlight it then Time and Date press edit Daylight Saving Time Circulate Fan ON Time current value System Name geass Dealer Number oon Dealer Name Dealer Name Dealer Address Dealer Email Dealer Website CC QOELLE Dealer Phone OVO Figure 3 Settings change tools Figure 4 Entering Dealer Number 9 39 am Aug 15 2012 Page 5 icomfort Wi Fi 7 Day Programmable Communicating Thermostat 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 circulating from 15 to 50 percent of time The following set tings approximate how long the fan will run at these typical settings 15 9 minutes fan run time per hour 25 15 minutes fan run time per hour 35 21 minutes fan run time per hour 45 27 minutes fan run time per hour Table 1 shows the range condition and defaults for the system settings and indicates the tools used to make chan
99. shown on the display Note 5 Default Values Jumper DIP switches impact the default value of some parameters 506920 01 09 12 Page 42 Table 4 Adjustable Parameters Table User Parameter Name Default Parameter Value Setting Increment Installer entry Time and Date Time date elements screen Daylight Saving Time Enabled Enabled Disabled Fan auto auto on circulate System Name keyboard input screen SERVICE INFORMATION Dealer Number tiii keyboard input screen Dealer Name Lennox keyboard input screen Dealer Address keyboard input screen Dealer Phone 1 800 9 LENNOX keyboard input screen Dealer Email keyboard input screen Dealer Website www lennox com keyboard input screen Language Displayed English English French Spanish Temperature Display Scale F F Fahrenheit C Celsius Clock Format 12H 12 Hour 24 Hour Screen Lock out Unlocked Unlocked Partially Locked Fully Locked Backlight Setting Always On Power Save Always On Backlight Intensity 100 20 to 100 20 Outdoor Temp Display is OFF is OFF is ON Indoor Humidity Display is OFF is OFF is ON Power Save is ON is OFF is ON Background theme cobalt cobalt cotton carbon Entered during initial installer setup during initial discovery should be edited from user preferences
100. stem after you have accessed the program from the Lennox logo previous page press the setup button 1 figure 34A The Start system configuration screen fig 34B will appear Press start 2 figure 34B to pro ceed The Re configure confirmation screen fig 34C will appear This re minder notes that system configuration may affect some existing device set tings and prompts to confirm or cancel the configuration process system and device alerts 1 Select Devices O Thermostat press start button only if you or to re setup an A 9 39 am Aug 15 2012 9 39 am Aug 15 2012 Press confirm 3 figure 34C to continue system configuration the screen will change to the system discovery screen At this point the program goes through the same setup as the initial setup process which begins on Page 4 NOTE Compatible device found screen shown below appears only when a device has been removed and replaced with a compatible device Found Compatible Device Equipment Type No Model No control model no Serial No control serial no Missing Device Equipment Type No Model No control model no Serial No control serial no Settings were not copied configuring the system may effect some devices confirm to continue or press cancel Qe C 9 39 am Aug 15 2012 Figure 34 Re configuration process Page 29 icomfort Wi Fi 7 Day Programmable Communicating Thermostat Stage De
101. sure the auxiliary stages operate as designed Press done Exit the installer setup mode by selecting the EXIT button TIPS Page 71 If the thermostat System Setting does not offer a choice for emerg heat and or the electric heat will not function the electric heat has not been configured Configure the electric heat as described on Page 64 or for complete detail see the Air Handler installation instructions Re configure the icomfort system by entering the installer program and se lecting the setup button and following the prompts High amp low balance points are enabled and adjusted under the installer section of the thermostat In the equipment button select System and press edit Scroll down to Balance Point Control and press edit and select Enabled and then save If an optional outdoor temperature sensor has been installed you may display the outdoor temperature on the home screen of the thermostat To turn on or off the Outdoor Temp Display From the Home screen press press for more area and select the HELP icon Press the user preferences box and scroll down to Outdoor Temp Display Press the modify button and use the up down arrows to select On or Off and then press the save button Press done to return to the Home screen icomfort Wi Fi 7 Day Programmable Communicating Thermostat Table 7 Replacement Controls The following kits have been set up for replacement of the icomfor
102. t enabled controls Please note that control kits are unit and revision specific CBX40UHYV rev 02 or later AND CBX32MV rev 06 or later XC17 24 30 42 60 rev 02 thru 04 AND XC17 36 48 rev 02 thru 05 XC17 24 30 42 60 rev 05 or later AND XC17 36 48 rev 06 or later XP17 24 30 rev 02 thru 05 AND XP17 36 42 48 60 rev 02 thru 04 XP17 24 30 rev 06 or later AND XP17 36 42 48 60 rev 05 or later XP19 24 36 48 60 rev 06 or later XC21 24 36 48 60 rev 05 thru 07 XC21 24 36 48 60 rev 08 or later XP21 24 rev 01 thru 04 AND XP21 36 48 60 rev 01 thru 03 XP21 24 rev 05 or later AND XP21 36 48 60 rev 04 or later REVISION HISTORY Date Revision description Date Revision description 03 2012 Preliminary release 04 2012 Minor Revisions 05 2012 Pilot release added note page 1 new registration screen page 26 09 2012 Changed Wi Fi button add Gelaskins minor software changes alert code corrections 506920 01 09 12 Page 72
103. t available If you do not have the ability to select or adjust the Humidity RH set point on the Indoor Humidity button the control is set for Display Only In the installer program go the equipment button and select System and press the edit button Select Humidification Control Mode and press edit Choose Basic Precision Basic Dew Point Control or Precision Dew Point Control and press save Adding non communicating accessories Adding maintenance timer reminders to accessories is a simple process of installing the device which effectively tells the thermostat to activate access to its service timers Timers are available for two 2 filters Humidifier pad UV bulb maintenance and the PureAir Air Purification system icomfort Wi Fi 7 Day Programmable Communicating Thermostat Add Non Communicating Outdoor unit To add or remove an outdoor unit that is not icomfort enabled you must be at the Add or Remove Non communicating equipment screen 1 Press the yes button on this screen see 1 2 In the non communicating device list screen use the arrows 2a to highlight Outdoor Unit Type and press edit 2b 3 Touch one of the radio buttons 3a to select a 1 or 2 Stage AC Unit ora 1 or 2 Stage HP Unit press save 3b 4 Use arrows 4a to highlight any red colored text in the device list e g select Outdoor Unit Capacity text turns white Press edit 4b
104. t working properly 704 Moderate Stat The thermostat is reading indoor humidity Recalibrate thermostat to clear Replace thermostat if needed levels above the pre programmed limit 705 Moderate Stat The thermostat is reading indoor humidity Recalibrate thermostat to clear Replace thermostat if needed levels below the pre programmed limit pager ex tad Ohm reading between i and i anywhere on the RSBus with supply power off should be between 70 am anes ohm reading in the system is either too and 90 ohms If above 90 ohms check and repair wiring splices or other wiring defects that may be eG Ign OF to0 1ow causing the excessive resistance If less than 70 ohms check for shorted wires Homeowner Service Alert Codes8 Number Value Number Value Number Value Number Value Number Value 3000 Filter 1 3002 Humidifier Pad 3004 Maintenance 4000 User WiFi state change disable 4002 Image file download failed 3001 Filter 2 3003 UV Light 3005 PureAir Maintenance 4001 Firmware download failed LO D 506920 01 09 12 Page 54 No electric heat operation The thermostat system setting does not offer a emerg heat choice on an HP system The thermostat does not offer any heat choice on an AC system with air handler with electric heat Electric heat was not manually configured configured at the Air Handler Control AHC before the icomfort Wi Fi system discov ery process at initial power up Table 6 Troubleshooting Ti
105. tage for the remainder of the heating demand The alarm fault will clear relay is faulty after the issue is corrected If unable to operate 2nd stage replace control 207 Critical Furnace The furnace hot surface igniter is Measure the resistance of hot surface igniter Replace the it if it is not within the specified range open found in IOM The alarm fault clears after the issue is corrected 223 Critical Furnace The furnace low pressure switch is Check pressure inches w c of low pressure switch closing during a heat call Measure operating open pressure inches w c Inspect vent and combustion air inducer for correct operation and restriction The alarm fault clears after the issue is corrected 224 Critical Furnace The furnace low pressure switch is Check operation of low pressure switch to see if it is stuck closed for longer than 150 seconds during stuck closed a heat call Measure operating pressure inches w c Inspect vent and combustion air inducer for correct operation and restriction The alarm fault clears after the issue is corrected 225 Critical Furnace The furnace high pressure switch is Check pressure inches w c of high pressure switch closing during a heat call Measure operating failing to close pressure inches w c Inspect vent and combustion air inducer for correct operation and restriction The alarm fault clears after the issue is corrected 506920 01 09 12 table continued on next p
106. tat Adjust a setting Configure Humiditrol or Auxiliary Dehumidifier To adjust a setting highlight it then press Edit system devices Dehumidification Control Mode 3rd Stage Delay 4th Stage Delay Lock In 2nd Stage HP by Outdoor Temp Balance Point Control current value Midpoint Overcooling Select one Maximum Overcooling Midpoint Overcooling Minimum Overcooling Staged Delay Timers 2nd Stage Delay Se r 4th Stage Delay Lock In 2nd Stage HP by Outdoor Temp Balance Point Control Humiditrol Comfort Adjust Min Dehumidification Setpoint OD Humid Boundary Outdoor Temperature Reading Calibr 9 39 am Aug 15 2012 only available on units equipped with a Humiditrol dehumidification device See Page 18 for ee of Min Dehumidification Control Mode current value Pre adjustment REQUIREMENTS 1st the device has been installed see Page 12 2nd from the Add or Remove Non communicating equipment press next 3rd in the Adjust a setting screen configure the device as follows In the system devices list use the arrows 1a to highlight System Press edit 1b Humiditrol only in the System list use the arrows 2a to highlight Humiditrol Comfort Adjust The current value defaults to Maximum Over cooling Press edit 2b Humiditrol only Touch one of the radio buttons 3a to select the over cooling le
107. tat to the gas furnace R i i C e 4 conductor thermostat wire from the integrated furnace control 7 IFC terminal strip to the icomfort enabled AC unit R i i C e Wiring as required for accessories 2 DO NOT cut any option link on air handler control 3 After the entire system is wired power up the system the icomfort Wi TIP Fi thermostat will check the system for installed communication de s vices 4 On the thermostat go past the Add or remove non communicating de vices to the To adjust a setting screen 5 Use the arrows to select Furnace from system devices list press edit From this Furnace screen you will have access to the various air flow settings Set the system air volumes according the needs of the home When you change certain settings the system will prompt you to please view and save all red settings Use the arrows to select the red settings and press edit Either make changes or not but press Page 65 save either way The red settings will go away after pressing save When all CFM settings are complete press the back button Press next step to advance to the tests button Using up down arrows select the test options individually if so de sired you may choose to TEST ALL and press the select button If selecting individual tests repeat until you have selected all you intend to run Press the start button Confirm the AC unit is electrically energized and op
108. the system and device alert screen figure 24A Page 23 No Alerts Figure 25 Cleared alert confirmation 9 39 am Aug 15 2012 View cleared alerts A history of cleared alerts allows the installer to review cleared alerts This information can help diagnose problems Use the arrows to select either se lect all or check an item from the list and then press view cleared alerts Then scroll through the alerts using the next button Press back to return to the alerts screen figure 24A Page 23 C ale Se Ser ALERT 1 of 5 Minor Alert Code 117 System reports cleared alerts Furnace Poor Ground detected Latest Occurrence 10 25 2011 1 13 pm 2 Occurrences First Occurrence Figure 26 Cleared alerts screen Page 23 icomfort Wi Fi 7 Day Programmable Communicating Thermostat Enable the thermostat s Wi Fi feature from the Home screen network security key or passphrase displays information here as keys pressed MO OODOHOUDOOO OVOG OODD OOO EES at WI FI SETTINGS E Thar mostat is not con 2 M A ratwork press any line to edit it network name SSID security is WPA2 type the network security key or passphrase for locked Wi Fi Access Point AP 6 press here to enter Wi Fi AP router password NETWORK SETTINGS RED ACCESS POINT 5 a M je Access Points Secure Connection Recommended Make sure the rout
109. tion has been enabled on installer settings and the unit is in COOL mode and dehumidification demand exists RH above setpoint and cooling demand exists Y1 energized 506920 01 09 12 In PRECISION mode dehumidification occurs if all BASIC conditions are true except cooling demand may or may not be present Also note that Maximum overcool from cooling setpoint is 2 F Deadband temperature is limited to a minimum of 5 F instead of 3 F in BASIC or DISPLAY ONLY mode because of 2 F overcooling Humiditrol or Auxiliary Dehumidifier mode requires NOTE Systems using icomfort and a dehumidifier Dehum jumper on furnace air handler control does not need to be cut when using with a icom fort Wi Fi thermostat Wi Fi is operational or outdoor sensor is installed and set up dehumidification has been enabled on installer settings and the unit is in COOL mode or if in AUTO at least one thermostat cool ing call made prior to the dehumidification demand and a dehumidification demand exists RH above setpoint and outdoor temp below 95 F indoor temp above 65 F and for HUMIDITROL adjust Humiditrol comfort parameters as follows MAX adj Indoor temp gt 2 F above heating setpoint MID adj Indoor temp gt HEAT Setpoint CooL Setpoint MIN adj Indoor temp gt 2 F below cooling setpoint Auxiliary Dehumidifier stand alone dehumidifier When this option is selected deh
110. to the tests button 8 Test the system operation and confirm the HP unit is electrically ener gized and operational Press done 9 Exit the installer setup mode by selecting the EXIT button TIPS High amp Low Balance points are enabled and adjusted under the install er section of the thermostat In the equipment button select System and press edit Scroll down to Balance Point Control and press edit and select Enabled and then save An outdoor temperature sensor is provided in an icomfort enabled heat pump unit To display the outdoor temperature on the home screen of the thermostat you must turn on or off the Outdoor Temp Display From the Home screen press press for more area and select the HELP icon Press the user preferences box and scroll down to Out door Temp Display Press the modify button and use the up down ar rows to select On or Off and then press the save button Press done to return to the Home screen Turn the Indoor Humidity Display on and off in a similar manner as above Gas heat is not provided to temper the air during defrost cycles icomfort enabled Furnace amp non communicating HP unit Dual fuel NOTE DO NOT use a conventional non communicating heat pump unit in an icomfort dual fuel system TIPS A conventional thermostat capable of controlling a dual fuel system like the ComfortSense 7000 must be selected for this type of applica tion icomfort Wi F
111. trol AHC unit should be in idle mode decimal mean O blinks at 1 Hertz 0 5 second ON 0 5 second OFF ADJUST ONLY CFM O Select field test mode press and hold the pushbutton until solid NORM O appears release button Display will blink O Press the pushbutton and wait for the display LED to show H capital oO H then release the button O The AHC cycles the indoor blower motor on to the selected heat O speed and stages the electric heat relays on and off to automatically INDOOR O detect the number of electric heat sections The AHC stores the num BLOWER O ber of electric heat sections then automatically exits Field Test POWER OX Mode EARTH O At this point the icomfort Wi Fi will now detect the heat strip informa CO nnoor sLower tion stored in the AHC TE lolololo O OUTDOOR DISCHARGE I l OUTE IOR UNIT RjI I C AIR SENSOR AIR SENSOR LINK T IERMOSTAT PUSHBUTTON 506920 01 09 12 Page 64 Setting up typical systems FURNACE amp AIR CONDITIONING UNIT icomfort enabled furnace amp 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 See Communicating System Wiring diagram on Page 59 and Optional Accessories Wiring Page 61 for any accessories be 6 ing installed with the system e 4 conductor thermostat wire from the icomfort Wi Fi thermos
112. ture is out of sensor range open short circuited or the temperature is out of Outdoor unit control will not perform demand or time temperature defrost operation System will still sensor range As a result the outdoor unit con heat or cool Clears when outdoor unit control detects proper sensor readings trol will not perform any defrost tempering 417 Critical Outdoor Unit The outdoor unit sensor is either Outdoor unit control detects open or shorted sensor or temperature that is out of sensor range open short circuited or the temperature is out of sensor range As a result the outdoor unit con trol will not perform any defrost tempering Critical Alert after 10 minutes Reset by replacing sensor This fault is detected by allowing the unit to run for 90 seconds before checking sensor resistance If the sensor resistance is not within range after 90 seconds the board will count one fault After 5 faults the board will lock out Check for proper sensor reading and attachment to line Replace if out of specifications table continued on next page Page 53 icomfort Wi Fi 7 Day Programmable Communicating Thermostat Critical alerts are displayed on Home user screen in the Homeowner alert button and in the Installer Table 5 Alert Codes and Troubleshooting alert button Minor and Moderate alerts are found only in the Installer alert button
113. umidification will be allowed under the fol lowing conditions provided there is NO call for humidification In the absence of heating or cooling calls or Simultaneous with blower only calls If the blower is required to operate while the auxiliary dehumidifier is running a separate wire must be installed from the auxiliary dehumidifier to the indoor unit s G thermostat input that will energize G when the auxiliary dehumidifier is running see wiring diagram on Page 61 Auxiliary dehumidification is controlled by the thermostat dehumidification demand NOTE Refer to HCWH Dehumidifier Installation Instructions for installation recommendations Page 18 Use the Tests Diagnostics features NOTE Test mode lasts for 30 minutes with the temperature updating every 30 seconds except for the defrost test which lasts 30 seconds Tests fea ture provides the technician time to manually verify the equipment operation The tests feature is available after setup has been completed once After you press next in the final setup screen the select tests to run screen fig ure 18 will appear If you want you may skip tests press skip tests If you re select the tests button from the full option screen figure 17 a mes sage to press Start button below to begin system testing appears Press start The resulting screen will be identical to figure 18 press start button below to begin system testing 9 39 am Aug 15 2012
114. ure 11 for an example of changing heating airflow more examples are shown on the next page Use back to return to the previous screen or next to go on A complete list of parameters their defaults and setting ranges begins on page 37 if resetAll is pressed To adjust a setting highlight it then press about Edit Furnace system devices Furnace resetting a device to its factory default resetting ALL devices to their factory default 2 Stage HP Unit settings will cause the system to restart the Power 120VAC Humidifier setup process Humiditrol To continue press CONFIRM or press CANCEL Thermostat system devices Low Heating Airflow Equipment Name current value Heating Airflow Control Type 325 Low Heating Airflow Low Heating Airflow Range is 325 to 450 High Heating Airflow Default is 400 inc 25 High Cooling Airflow Airflow Profile Cooling High HP Airflow Continuous Indoor Blower Airflow Figure 11 Adjust communicating device screens Page 13 icomfort Wi Fi 7 Day Programmable Communicating Thermostat 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 Available settings for the devices depend on the installed components Shown below is an e
115. utton If selecting individual tests repeat until you have selected all you intend to run Press the start button Confirm the AC unit is electrically energized and operational Press done Exit the installer setup mode by selecting the EXIT button TIPS Page 66 If the thermostat System Setting only shows heat only or off choices and does not offer a choice for cooling you must Install the non communicating air conditioning unit Select Add or Remove non communicating under the setup button in the Installer Section Select Outdoor Unit Type press the edit button and then choose 1 Stage AC or 2 Stage AC and press the save button On two Stage Air Conditioners you must cut the W915 2 Stage Compr link on the furnace control Setting up typical systems FURNACE amp HEAT PUMP DUAL FUEL icomfort enabled Furnace amp 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 XP17 or XP21 only 1 Wiring see Communicating System Wiring diagram on Page 59 and Optional Accessories Wiring Page 61 for any accessories be ing installed with the system e 4 conductor thermostat wire from the icomfort Wi Fi thermostat to the gas furnace R i i C e 4 conductor thermostat wire from the furnace terminal strip to the icomfort enabled HP R i i C e Wirin
116. vel press save 3b After saving check that the current value now shows the new selection Use arrows 4a to highlight Min Dehumidification Setpoint press edit 4b Note the current value e g 45 Use arrows 5a to make changes press save 5b After saving check that the current value now shows the new selection Press the back button to return to Adjust a setting screen Min Dehumidification Setpoin Range is 40 to 60 Default is 45 inc 1 set to returns to adjust a setting screen Figure 15 Adjust a non communicating device setting DEHUMIDIFIER 506920 01 09 12 Page 16 Adjust a setting Configure Dehumidification no dehumidifying device installed skip if default Basic dehumidification mode is desired Pre adjustment REQUIREMENTS 1st NO physical dehumidification device has been installed 2nd configure the thermostat for dehumidification as follows 1 Inthe system devices list use the arrows 1a to highlight System Press edit 1b 2 Inthe System list use the arrows 2a to highlight Dehumidification Control Mode The current value defaults to Display Only Press edit 2b 3 Touch one of the radio buttons 3a to select the mode of dehumidification control press save 3b 4 Use arrows 4a to highlight any red colored text in the list e g select Min Dehumidification Setpoint Press edit 4b 5 Use arrows 5a to make changes press
117. ways turn off power at the main power source by switching the circuit breaker to the OFF position before installing or removing this thermostat All wiring must conform to local and national building and electrical codes and ordinances Page 2 icomfort Wi Fi Thermostat Technical Description and Features The 24VAC 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 memory i e it retains data when electrical power fails or is turned off It is designed for 4 wire connec tion to other communication devices as listed in figure 1 The icomfort Wi Fi thermostat can connect to online services via the inter net through the homeowner s Wi Fi access point After online registration is completed the system may then be accessed by the homeowner from any where using a remote internet connection via computer or personal commu nicating device Thermostat connections Maximum total length of all connections on the RSBus is limited to 1500 ft 450 m Max length between compo nents is 300 ft 90 m RED RSBus ______ Minimum wire size is 18 gauge r Note icomfort Wi Fi thermo stat does not require shielded cable wiring icomfort enabled Furnace Control icomfort enabled Air Handler Control icomfort enabled Outdoor Unit Control Exte
118. wiring diagram see Page 61 e the entire system is wired powered up and the thermostat has detected the system s installed communicating devices and you are at the Add or Remove Non communi cating equipment screen see figure 7 Page 8 system devices System Heat Pump non communicating device list communicating equipment to add remove adjust a device select it then press edit Humidifier current value Dehumidifier Electronic Air Cleaner Select one Not Installed Power 120VAC Humidifier Bypass and Power Humidifier available with furnace equipped systems only r to add remove adjust a device select it then press edit non communicating device list current value Bypass 24VAC Humidifier Dehumidifier Electronic Air Cleaner NOTE Adding humidity regulating non communicating devices may be a 2 step procedure 1st the device must be installed this page after the humidifier is installed the operation mode defaults to Basic 2nd if you want another mode i e Precision Basic Dew Point or Precision Dew Point the device requires further configuration see Page 15 To add or remove a humidifier Press the yes button on this screen see 1 In the non communicating device list screen use the arrows 2a to highlight Humidifier note the current value Not Installed and press edit 2b
119. xample of enabling and changing the balance point control from default Disabled to Enabled After selecting Enabled press save to save the changes and return to the previous screen The returning screen may appear with the message in red please view and save all red settings In the example in figure 13 note that two additional items are listed in red Use the arrows to scroll and highlight each item appearing in red Press edit make any desired changes and press save When all affected settings have been edited saved the red message disappears Press back to return to the To adjust a setting screen If no more adjustments are necessary press next to advance to the select tests to run screen see Page 19 Balance Point Control Balance Point Control Staged Delay Timers 2nd Stage Delay current value 3rd Stage Delay Disabled Balance Point Control Staged Delay Timers 2nd Stage Delay current value 3rd Stage Delay Enabled Lock In 2nd stage HP by Outdoor Temp Balance Point Control Select one High Balance Point red settings Balance Point Control please view and save J Low Balance Point High Balance Point Disabled Enabled Humiditrol Comfort Adjust Range is 17 to 75 Humidification Control Mode Default is 0 inc 1 Min Dehumidification Setpoint set to 50 Figure 12 Accessing device to modify Figure 13 Modify device settings G71MPP or SLP98 Furnace Note If your icomfort Wi Fi thermostat
120. y dehumidifier Page 17 icomfort Wi Fi 7 Day Programmable Communicating Thermostat Humidification and Dehumidification Modes how they work HUMIDIFICATION modes BASIC amp 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 HEAT mode and humidification demand exists 24V present at H and BASIC mode also requires presence of heating demand Y for HP heat or W for gas heat W may be energized with G de energized DEW POINT Available only if Wi Fi is operational or outdoor sensor is at tached Basic Dew Point Control Basic Dew Point Control adjustment mode will change the humidification setpoint based on the outdoor temperature and a user defined dew point adjustment setting Precision Dew Point Control Precision Dew Point Control adjustment mode will operate when these conditions are met humidification mode has been enabled and the unit is in HEAT mode and humidification demand exists 24V present at H DEHUMIDIFICATION modes NOTE Basic and Precision dehumidification modes are functions of the HVAC system with NO external dehumidification devices installed Humidi trol and Auxiliary Dehumidifiers do not use these modes In BASIC mode dehumidification occurs if these conditions are met and sig nals are present at specific terminals dehumidifica

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