Lennox ELITE Series Installation Instructions Manual
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Lennox ELITE Series Installation Instructions Manual

Gas furnace upflow / horizontal air discharge
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© 2020 Lennox Industries Inc.
Dallas, Texas USA
Contents
Unit Dimensions - inches (mm) ......................................2
EL196UHE......................................................................3
Shipping and Packing List ..............................................3
Safety .............................................................................3
General ...........................................................................5
Combustion, Dilution, Ventilation Air...............................5
Setting Equipment ..........................................................8
Filters ............................................................................13
Duct System .................................................................13
Joint Cementing Procedure ..........................................16
Venting Practices ..........................................................16
...........................................13
INSTALLATION
INSTRUCTIONS
EL196UHE
ELITE
SERIES GAS FURNACE
®
UPFLOW / HORIZONTAL AIR DISCHARGE
507764-05
04/2020
Supersedes 507764-04
THIS MANUAL MUST BE LEFT WITH THE
HOMEOWNER FOR FUTURE REFERENCE
This is a safety alert symbol and should never be
ignored. When you see this symbol on labels or in man-
uals, be alert to the potential for personal injury or death.
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, personal
injury or loss of life. Installation and service must be
performed by a licensed professional HVAC installer (or
equivalent), service agency or the gas supplier.
As with any mechanical equipment, contact with sharp
sheet metal edges can result in personal injury. Take
care while handling this equipment and wear gloves and
protective clothing.
Gas Piping ....................................................................36
Electrical .......................................................................39
Unit Start-Up .................................................................42
Gas Pressure Measurement.........................................44
Proper Combustion.......................................................44
High Altitude .................................................................44
Testing Combustion Air For Non-Dierct Vent ................46
Other Unit Adjustments.................................................46
Service..........................................................................48
Repair Parts List ...........................................................49
Start-Up Checklist.........................................................51
Blower Data ..................................................................53
Page 1
WARNING
CAUTION

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Keith W Powell
February 18, 2025

can a dirty air filter cause the furnace to shut off and only blow cold air

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Summary of Contents for Lennox ELITE Series

  • Page 1: Table Of Contents

    INSTALLATION INSTRUCTIONS EL196UHE © 2020 Lennox Industries Inc. Dallas, Texas USA ELITE SERIES GAS FURNACE ® UPFLOW / HORIZONTAL AIR DISCHARGE 507764-05 04/2020 Supersedes 507764-04 THIS MANUAL MUST BE LEFT WITH THE HOMEOWNER FOR FUTURE REFERENCE This is a safety alert symbol and should never be ignored.

  • Page 2: Unit Dimensions - Inches (Mm)

    Unit Dimensions - inches (mm) NOTE - 60C and 60D size units that require air volumes over 1800 cfm must have one of the following: 1. Single side return air and Optional Return Air Base with transition that must accommodate required EXHAUST AIR 3-1/4 20 x 25 x 1 inch (508 x 635 x 25 mm) air filter to...

  • Page 3: El196Uhe

    EL196UHE Gas Furnace Shipping and Packing List Package 1 of 1 contains The EL196UHE Category IV gas furnace is shipped ready for 1 - Assembled EL196UHE unit shipped with the bottom panel in place. The bottom panel must 1 - Bag assembly containing the following: applications with bottom return air.

  • Page 4: Use Of Furnace As A Construction Heaterl

    Fuel Gas Code (ANSI-Z223.1/NFPA 54). The National In Canada, all electrical wiring and grounding for the unit Fuel Gas Code is available from the following address: must be installed according to the current regulations of the Canadian Electrical Code Part I (CSA Standard C22.1) American National Standards Institute, Inc.

  • Page 5: General

    Chlorine base swimming pool chemicals FAILURE TO FOLLOW THE ABOVE INSTALLATION IN- Water softening chemicals STRUCTIONS VOIDS THE MANUFACTURER’S EQUIP- MENT LIMITED WARRANTY. LENNOX DISCLAIMS De-icing salts or chemicals ALL LIABILITY IN CONNECTION WITH INSTALLER’S Carbon tetrachloride FAILURE TO FOLLOW THE ABOVE INSTALLATION IN- Halogen type refrigerants STRUCTIONS.
  • Page 6 Even a small leak around the base of the unit at the plat- enced subject, which is represented only by the standard form or at the return air duct connection can cause a po- in its entirety. tentially dangerous negative pressure condition. Air for combustion and ventilation can be brought into the con- In Canada, refer to the CSA B149 installation codes.
  • Page 7 EQUIPMENT IN CONFINED SPACE EQUIPMENT IN CONFINED SPACE - ALL AIR FROM OUTSIDE (Inlet Air from Ventilated Crawlspace and Outlet Air to Outside) (Inlet Air from Crawl Space and Outlet Air to Outside) Roof Terminated VENTILATION LOUVERS (Each end of attic) Exhaust Pipe ROOF TERMINATED EXHAUST PIPE...
  • Page 8 must be removed before the furnace is placed into oper- EQUIPMENT IN CONFINED SPACE - ALL AIR FROM OUTSIDE (All Air Through Ventilated Attic) ation. After the bolt and washer have been removed, the rigid leg will not touch the blower housing. ROOF TERMINATED VENTILATION LOUVERS EXHAUST PIPE...

  • Page 9: Setting Equipment

    SETTING EQUIPMENT Unit must be level side-to-side. Unit may be positioned from level to 1/2” toward the front to aid in draining. UPFLOW APPLICATION UNIT FRONT UNIT FRONT AIR FLOW 1/2” max. SIDE VIEW SIDE VIEW FRONT VIEW HORIZONTAL APPLICATION UNIT FRONT 1/2”...
  • Page 10 Return Air Guidelines WARNING Return air can be brought in through the bottom or either Improper installation of the furnace can result in personal furnace is installed on a platform with bottom return, make an airtight seal between the bottom of the furnace and the never be allowed to enter the return air system or air platform to ensure that the furnace operates properly and in the living space.
  • Page 11 Optional Return Air Base CONDENSATE (Upflow Applications Only) TRAP FURNACE FRONT 23 (584) 3−1/4 IF BASE Overall (83) IS USED (Maximum) Minimum WITHOUT 11 (279) IAQ CABINET, Maximum 22−7/16 INDOOR AIR A SINGLE Unit side return air 14 (356) (570) QUALITY RETURN AIR Opening...
  • Page 12 This furnace may be installed in either an attic or a crawl- space. Either suspend the furnace from roof rafters or pension kit (51W10) may be ordered from Lennox or use equivalent. Page 12...

  • Page 13: Filters

    Lennox Product in Service and Application Note ACC002 (August 2000).
  • Page 14 SUPPLY Install self tapping screws to seal any potential air leaks SUPPLY HORIZONTAL UNIT UPFLOW UNIT Figure 20 TABLE 2 PIPING AND FITTINGS SPECIFICATIONS with American National Standard Institute and the Ameri- Schedule 40 PVC (Pipe) D1785 can Society for Testing and Materials (ANSI/ASTM) stan- Schedule 40 PVC (Cellular Core Pipe) F891 lumps, undissolved particles or any foreign matter that...
  • Page 15 Use PVC primer and solvent cement or ABS solvent ce- As an alternate, use all purpose cement, to bond ABS, Canadian Applications Only - the same materials. Use transition solvent cement when bonding ABS to either PVC or CPVC. Low temperature solvent cement is recommended during cooler weather.

  • Page 16: Joint Cementing Procedure

    Joint Cementing Procedure Venting Practices All cementing of joints should be done according to the Piping Suspension Guidelines DANGER SCHEDULE 40 DANGER OF EXPLOSION! PVC - 5' all other pipe* - 3' Fumes from PVC glue may ignite during system check. Allow fumes to dissipate for at least 5 minutes before placing unit into operation..
  • Page 17 Room) it exits the termination. Refer to TABLE 8. In some applications which permit the use of several dif- used. Contact Lennox’ Application Department for assis- If replacing a furnace which was commonly vented with another gas appliance, the size...
  • Page 18 IMPORTANT eter. Do not use screens or perforated metal in exhaust or Piping Size Process may block the terminations. What is the NOTE - furnace capacity? Which style termination being used? Standard or concentric?. Which needs most elbows? Intake or exhaust? How many elbows? Count all elbows inside...
  • Page 19 TABLE 5 Maximum Allowable Intake or Exhaust Vent Length in Feet NOTE - Additional vent pipe and elbows used to terminate the vent pipe outside the structure must be included in the total vent length calculation. Standard Termination at Elevation 0 - 4500 ft 1-1/2”...
  • Page 20 TABLE 5 Continued Maximum Allowable Intake or Exhaust Vent Length in Feet Concentric Termination at Elevation 0 - 4500 ft 1-1/2” Pipe 2” Pipe 2-1/2” Pipe 3” Pipe Model Model Model Model Of 90° Elbows Concentric Termination Elevation 4500 - 10,000 f 1-1/2”...
  • Page 21 TABLE 6 Maximum Allowable Exhaust Vent Lengths With Furnace Installed in a Closet or Basement Using Ventilated Attic or Crawl Space For Intake Air in Feet NOTE - Additional vent pipe and elbows used to terminate the vent pipe outside the structure must be included in the total vent length calculation.
  • Page 22 TYPICAL EXHAUST AND INTAKE PIPE CONNECTIONS IN UPFLOW DIRECT OR NON-DIRECT VENT APPLICATIONS 2” EXHAUST EXHAUST INTAKE 2” INTAKE 2” 2” 2” 2” 3” 3” 030/045/070 Only 1−1/2” TRANSITION Exhaust 6” Min 2” Exhaust DO NOT transition from larger to smaller DO NOT transition pipe in horizontal runs from smaller to larger...
  • Page 23 Intake Piping TYPICAL AIR INTAKE PIPE CONNECTIONS The EL196UHE furnace may be installed in either direct UPFLOW NON−DIRECT VENT APPLICATIONS vent or non-direct vent applications. In non-direct vent ap- plications, when intake air will be drawn into the furnace INTAKE from the surrounding space, the indoor air quality must be DEBRIS considered and guidelines listed in Combustion, Dilution...
  • Page 24 General Guidelines for Vent Terminations CAUTION In Non-Direct Vent applications, combustion air is taken If this unit is being installed in an application with combustion air coming in from a space serviced by an exhaust fan, power exhaust fan, or other device which vent, Category IV gas furnace.
  • Page 25 TABLE 7 Maximum Allowable Exhaust Vent Pipe Length (in ft.) Without Insulation In Unconditioned Space For Vent Unit Input Size Winter Design Pipe Temp °F (°C) Diam 1-1/2 in 32 to 21 2 in (0 to -6) 2-1/2 in 3 in 1-1/2 IN 2 in 20 to 1...
  • Page 26 ‡ Permitted only if veranda, porch, deck or balcony is fully open on a minimum of two sides beneath the floor. Lennox recommends avoiding this location if possible. Figure 32...
  • Page 27 ‡ Permitted only if veranda, porch, deck or balcony is fully open on a minimum of two sides beneath the floor. Lennox recommends avoiding this location if possible. Figure 33 Page 27...
  • Page 28 Details of Intake and Exhaust Piping Terminations for 3”(76mm) MAX. Direct Vent Installations Inches(mm) NOTE - In Direct Vent installations, combustion air is taken UNCONDITIONED ATTIC SPACE 8” (203mm) MIN NOTE - 12” (305mm) ABOVE AVERAGE SNOW ACCUMULATION 3” (76mm) OR 2”...
  • Page 29 7 - If intake and exhaust piping must be run up a side FIELD-PROVIDED wall to position above snow accumulation or other obstructions, piping must be supported. At least one QUIRED TO ADAPT LARGER VENT PIPE bracket must be used within 6” from the top of the SIZE TO TERMINATION.
  • Page 30 FIELD FABRICATED WALL TERMINATION NOTE − FIELD−PROVIDED REDUCER MAY BE 2” (51mm) 3” (76mm) REQUIRED TO ADAPT LARGER VENT PIPE SIZE Vent Pipe Vent Pipe TO TERMINATION A− Minimum clearance above grade or average 12” (305 mm) 12” (305 mm) snow accumulation B−...
  • Page 31 Crawl Space and Extended Horizontal Venting (USA) KIT 15Z70 Lennox provides kit 51W18 (USA) kit 15Z70 (Canada) to (CANADA) and into the the crawl space. See Figure 45. This kit can also be used as a supplemental drain for installations with runs, unconditioned spaces, etc.).
  • Page 32 Heating cable kit is available from Lennox in various lengths; 6 ft. (1.8m) - kit no. 26K68 and 24 ft. (7.3m) - kit no. 26K69. Page 32...
  • Page 33 Condensate Trap With Optional Overflow Switch CONDENSATE TRAP LOCATIONS (Unit shown in upflow position with remote trap) From Evaporator Coil HorizontalFurnace4” Min. to 5” Max.above condensatedrain connection) Field ProvidedVent Min. 1” Above Condensate Drain Connection 1” Min. 2” Max. FurnaceCondensate DrainConnection *5’...
  • Page 34 Furnace with Evaporator Coil Using a Separate Drain (Unit shown in horizontal left-hand discharge position) Field Provided Vent Evaporator (4” min. to 5” max. above Coil condensate connection) 4”min 5”max 5’ max. PVC Pipe Only Condensate Drain Connection (Trap at coil is optional) Drain Pan Piping from furnace and evaporator coil must slope down a minimum 1/4”...
  • Page 35 TRAP / DRAIN ASSEMBLY USING 1/2” PVC OR 3/4” PVC Optional Condensate Drain Connection Adapter 3/4 inch slip X 3/4 inch mpt (not furnished) 90° Street Elbow 3/4 inch PVC (not furnished) Adapter 3/4 inch slip X 3/4 inch mpt (not furnished) Condensate Drain Connection In Unit 1 (25 mm) Min.

  • Page 36: Gas Piping

    6 - In some localities, codes may require installation of a Gas Piping Gas supply piping should not allow more than 0.5”W.C. installer) external to the unit. Union must be of the drop in pressure between gas meter and unit. Supply gas ground joint type.
  • Page 37 Upflow Application Upflow Application Left Side Piping Right Side Piping 1/2” NPT (Standard) (Alternate) 1/2” NPT MANUAL MAIN SHUT-OFF VALVE MANUAL MAIN SHUT-OFF VALVE GROUND GROUND JOINT JOINT UNION UNION DRIP LEG FIELD PROVIDED AND INSTALLED DRIP LEG NOTE - BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET Figure 56 Horizontal Applications Possible Gas Piping Configurations...
  • Page 38 TABLE 9 Gas Pipe Capacity - ft3/hr (m3/hr) Nominal Internal Length of Pipe - feet (m) Iron Pipe Diameter inches (3.048) (6.096) (9,144) (12,192) (15.240) (18.288) (21.336) (24.384) (27.432) (30,480) (mm) (mm) .622 (12.7) (17.799) (4.87) (3.34) (2.69) (2.29) (2.03) (1.84) (1.69) (1.58)

  • Page 39: Electrical

    The power supply wiring must meet Class I restrictions. Electrical Protected by either a fuse or circuit breaker, select circuit ELECTROSTATIC DISCHARGE (ESD) NOTE - Precautions and Procedures CAUTION CAUTION electrostatic charge by touching your hand and tools to metal prior to handling the control.
  • Page 40 One line voltage “120 HUM” 1/4” spade terminal is pro- 2 - When the EL196UHE is running in the heating vided on the furnace integrated control. See Figure 60 for mode, the indoor blower will run on the heating speed (HEAT). See TABLE 17 on page 54 for in the heating mode when the combustion air inducer is allowable heating speeds.
  • Page 41 TYPICAL EL196UHE WIRING DIAGRAM Figure 59 Page 41...

  • Page 42: Unit Start-Up

    Unit Start-Up INTEGRATED CONTROL FOR YOUR SAFETY READ BEFORE OPERATING (Automatic Hot Surface Ignition System) WARNING Do not use this furnace if any part has been underwater. the furnace and to replace all gas controls, control system parts, and electrical parts that have been wet or to replace the furnace, if deemed necessary.
  • Page 43 Priming Condensate Trap 9 - Replace the access panel. 10- Turn on all electrical power to to the unit. The condensate trap should be primed with water prior 11- Set the thermostat to desired setting. to start-up to ensure proper condensate drainage. Either NOTE - these steps to prime the trap: 1 - Follow the lighting instructions to place the unit into...

  • Page 44: Proper Combustion

    Follow the steps below. Gas manifold Kit 10L34 provides Unit Start-Up additional components if needed. Gas Flow (Approximate) 1 - Connect the test gauge positive side “+“ to manifold pressure tap on gas valve. TABLE 12 2 - Tee into the gas valve regulator vent hose and GAS METER CLOCKING CHART connect to test gauge negative “-”.
  • Page 45 TABLE 15 Manifold and Supply Line Pressure 0-10,000ft. Manifold Pressure in. wg. Supply Line Pressure EL196 in. w.g. Unit 0 - 4500 ft 4501 - 5500 ft 5501 - 6500 ft 6501 - 7500 ft 7501 - 10,000 ft 0 - 10000 ft. Natural 13.0 Models...

  • Page 46: Other Unit Adjustments

    8 - If improper venting is observed during any of the above tests, the venting system must be corrected Combustion Air for Non-Direct Vent Applications WARNING using the appropriate tables in appendix G in the CARBON MONOXIDE POISONING HAZARD! current standards of the National Fuel Gas Code ANSI-Z223.1/NPFA 54 in the U.S.A., and the Failure to follow the steps outlined below for each appropriate Natural Gas and Propane appliances...

  • Page 47: Service

    Annual Furnace Maintenance At the beginning of each heating season, and to comply with the Lennox Limited Warranty, your system should be checked as follows: 1 - Check wiring for loose connections, voltage at Figure 62 indoor unit and amperage of indoor motor.
  • Page 48 10- Inspect the furnace intake and exhaust pipes to make Cleaning the Burner Assembly sure they are in place, structurally sound, without If cleaning the burners becomes necessary, follow the holes, blockage or leakage and the exhaust pipe steps below: is sloped toward the furnace.

  • Page 49: Repair Parts List

    If the installation requires more separation be- velocity. ADDENDUM FOR THE PROVINCE OF SASKATCHEWAN AND MANITOBA See below for venting in the province of Saskatchewan and Manitoba. Lennox approves the following termination for use in Saskatchewan Canada. 12”...
  • Page 50 Requirements for Commonwealth of Massachusetts 4 - INSPECTION. The state or local gas inspector of the Revise NFPA-54 section 10.8.3 to add the following shall not approve the installation unless, upon requirements: inspection, the inspector observes carbon monoxide detectors and signage installed in accordance with the ment installed in every dwelling, building or structure used provisions of 248 CMR 5.08(2)(a) 1 through 4.
  • Page 51 Start-Up & Performance Check List UNIT SET UP Furnace: Model Number_______________ Serial Number_________________ SUPPLY Line Voltage GAS SUPPLY LP Propane Gas Natural Gas Piping Connections Tight Leak Tested Flter Supply Line Pressure “W.C.________ RETURN AIR Gas Supply Pressure DUCT SYSTEM SUPPLY AIR DUCT Sealed Insulated (if necessary)
  • Page 52 UNIT OPERATION HEATING MODE COOLING MODE GAS MANIFOLD PRESSURE “W.C._____ INDOOR BLOWER AMPS______ COMBUSTION SAMPLE CO CO PPM_______ TEMPERATURE DROP ______ Return Duct Temperature _________ INDOOR BLOWER AMPS______ Supply Duct Temperature _______ Temperature Drop = _________ TEMPERATURE RISE TOTAL EXTERNAL STATIC (dry coil) Supply Duct Temperature ________ Supply External Static _______ Return Duct Temperature...

  • Page 53: Blower Data

    Blower Data EL196UH030XE24B AND EL196UH045XE24B PERFORMANCE (Less Filter) External Air Volume / Watts at Various Blower Speeds Static High Medium-High Medium Medium-Low Pressure Watts Watts Watts Watts Watts in. w.g. 0.00 1125 1015 0.10 1070 0.20 1035 0.30 1000 0.40 0.50 0.60 0.70...
  • Page 54 Blower Data EL196UH070XE36B PERFORMANCE (Less Filter) External Air Volume / Watts at Various Blower Speeds Static High Medium-High Medium Medium-Low Pressure Watts Watts Watts Watts Watts in. w.g. 0.00 1445 1315 1215 0.10 1445 1275 1170 0.20 1415 1240 1125 0.30 1380 1205...
  • Page 55 USER’S INFORMATION MANUAL © 2018 Lennox Industries Inc. Dallas, Texas, USA EL196UHE 507765-01 02/2018 SERIES GAS FURNACE WARNING Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. Installation and service must be performed by a licensed professional HVAC installer or equivalent, service agency, or the gas supplier.
  • Page 56 DURALOK HEAT EXCHANGER ASSEMBLY TOP CAP AIR INTAKE COLLAR BURNERS FLUE COLLAR GAS VALVE AND MANIFOLD ACCESS PANEL COMBUSTION AIR INDUCER PRESSURE SWITCH ASSEMBLY INTEGRATED CONTROL BLOWER MOTOR FIGURE 1 If this is not possible, the water supply to the house should be NOTE - This manual is the property of the homeowner and must be left with the equipment user.
  • Page 57 WARNING 1 - Keep the furnace area clear and free of combustible Do not set thermostat below 60°F (16°C) in heating mode. Setting thermostat below 60°F (16°C) reduces and liquids. If it is installed in an insulated area, the the number of heating cycles. Damage to the unit may furnace must be kept free of insulating material.
  • Page 58 Reliable detectors are 5 - Remove the upper access panel. available at reasonable retail prices. Contact your Lennox dealer for more details about this investment in your safety. Your furnace is designed to meet standards set by national...
  • Page 59 Annually (before heating season) inspect furnace venting system, vent cap, heat exchanger, and burners for cor- rosion, deterioration, or deposits of debris. Remove any ters should be inspected monthly. Clean or replace the obstructions. Inspect the furnace for obvious signs of deterioration. Inspect the furnace venting system to make sure it is in place, physically sound, and without holes, corrosion, or NOTE -...
  • Page 60 Call your Lennox service technician if the unit will not op- Annual Furnace Maintenance erate. Before calling, always check the following to be At the beginning of each heating season, and to comply sure service is required: with the Lennox Limited Warranty, your system should be checked as follows by a licensed professional service 1 - Check that electrical disconnect switches are ON.
  • Page 61 11 - Inspect the furnace return air duct connection to ensure the duct is sealed to the furnace. Check for The following repair parts are available through Lennox air leaks on supply and return ducts and seal where dealers. When ordering parts, include the complete fur- necessary.
  • Page 62 ComfortSense 5500 Thermostat ® 507500-02 6/2018 User Guide Supersedes 5/2017...
  • Page 63 Table of Contents • Features..............2 Home Screen Temperature Indicator ....2 • Home Screen Information ........3 Operating Mode Selection ........5 • Fan Operation ..............5 User Menu Screen ..........6 ..............6 ..............6 Home Screen Temperature Indicator ............7 ............... 7 User Settings Menu ..........9 2:31 am Ⓐ...

  • Page 64: Home Screen Information

    B. AWAY cancel D. Menu Home Screen Information Ⓓ 2:31 am Ⓒ Ⓗ Ⓔ Ⓕ Schedule hold until 12:30 pm heat−to Ⓘ Ⓖ inside Ⓔ 62° waiting cool−to 76° Ⓕ Ⓑ time period or permanent. schedule 1 • away Ⓐ Figure 2.
  • Page 65 Table 1. System Status Icons Icon Description • System Status Icons Table 1. System Status Icons Icon Description...

  • Page 66: Operating Mode Selection

    Operating Mode Selection menu > settings > fan fan mode 2:31 am PERATION heat−to inside 72° Table 2. Fan Operation Icon Mode Description cool−to 78° schedule 1 mode. away Figure 3. Operating Mode Selection Select Modes 2. COOL ONLY HEAT ONLY 4.

  • Page 67: User Menu Screen

    • User Menu Screen • • menu notifications notifications < reminders critical performance report high temperature protection 05/22 12:23pm edit schedules error code: 0004 dealer info settings Figure 4. User Menu Screen Figure 5. OTIFICATIONS EMINDERS • date. • reminder.
  • Page 68 modif. progr. < < notifications > programme 1 reminders critical programme 2 > media filter 05/22 12:23pm Clear remind later > programme 3 Figure 7. Edit Schedules Screen NOTES: See “Operating Mode Selection” on page Figure 6. ERFORMANCE EPORT ran. NOTES: The fan mode that is selected under CHEDULES the edit schedules screen will always...
  • Page 69 user settings > fan select days > individual days week/weekend all 7 days edit schedules schedule x (rename) To navigate to the next select mode screen in the selection schedule 1 select days process, always touch the select mode heat/cool heat only cool only sired option.

  • Page 70: User Settings Menu

    User Settings Menu Table 3. User Settings (General) Setting Selection Function Description NOTE: Your installer will need to change the name of the two available custom reminders.
  • Page 71 Table 3. User Settings (General) Setting Selection Function Description NOTE: Partially Lock and Locked is set for one instance only. Either would need to be set each time it is desired to partially locked or locked the screen. Master code is 864 in case user forget their custom code.
  • Page 74 ® 507501-02 ComfortSense 5500 6/2018 Installation and Setup Guide Supersedes 5/2017...
  • Page 75 Table of Contents Shipping and Packing List ® ComfortSense 5500 touchscreen, 7-day pro­ Shipping and Packing List ..... grammable thermostat with back plate Description .

  • Page 76: Dimensions (H X W X D)

    menu-driven touch-screen display equipment maintenance reminders CAUTION This thermostat supports single-stage non-heat This is a 24VAC low-voltage thermostat. Do not pump units. install on voltages higher than 30VAC. Dimensions (H x W x D) Do not short (jumper) across terminals on the gas Case dimensions: 3-5/16 x 4-5/16 x 7/8 in.

  • Page 77: Installation

    DO NOT WARNING Install on voltages higher than 30VAC. Always turn off power at the main power source Short (jumper) across terminals on the gas by switching the circuit breaker to the OFF posi­ valve or at the system control to test installa­ tion before installing or removing this thermostat.
  • Page 78 Radiant heat from sun or appliances. CUT OR DRILL A SMALL HOLE Concealed pipes and chimneys. FOR THERMOSTAT WIRING Unheated (uncooled) areas such as an outside wall behind the thermostat. ¾” x ¾” PULL ABOUT 3” OF THERMOSTAT WIRE THROUGH OPENING AND RE­ MOVE OUTER THERMOSTAT WIRE JACKET.
  • Page 79 TRIM 1/4” INSULATION FROM END OF EACH WIRE (USE A LEVEL) ALIGN WALL PLATE 1/4” DRILL 3/16” HOLES AT MARKED LOCATIONS ON WALL FOR ANCHORS USE UNIT WALL PLATE AS TEMPLATE TO MARK DESIRED MOUNTING HOLE LOCATIONS ON WALL. NOTE: INSTALLATION OF WALL PLATE IS OPTIONAL.
  • Page 80 Thermostat Installation with Wall Plate F - Place wall plate H - Attach back plate J - Attach thermostat to over holes in wall. to wall plate. back plate. G - Insert wall anchors I - Insert provided screws through back and wall through wall plate into wall.

  • Page 81: Wiring Thermostat

    Wiring thermostat TERMINAL DESIGNATIONS 1. Connect wiring between thermostat, indoor C - Common 24 VAC unit, and outdoor unit as shown in the appropri­ ate wiring diagram. G - Fan relay 2. Seal the hole in the wall with a suitable material to prevent drafts from entering the thermostat W1 - 1st stage heating (electric or gas heat) case.
  • Page 82 TYPICAL HEAT ONLY SYSTEM...

  • Page 83: Installer Settings

    Installer Settings installer settings < installer settings must be set menu by qualified person. notifications confirm Figure 3. Installer Menu Screen Confirmation performance report 3. Available options are as follows: < installer settings edit schedules system setup > residual cool >...

  • Page 84: System Setup

    System Setup to select desired deadband. Touch < to return to pre­ vious menu. Sets the thermostat heat options. Smooth Set Recovery (SSR) Options are enable or disable. Default is Disabled. system settings < When enabled, smooth set back begins recovery up to two hours before the programmed time so that the programmed temperature is reached at the corre­...

  • Page 85: Custom Reminders

    If the system is running in compressor protection, the home screen displays “WAIT” only if there is IMPORTANT cooling call for the compressor (Y1). RESET SETTINGS erases all programming and If compressor protection is running and there is a returns the thermostat to the factory conditions, demand for electric heating, the system waits for the including the installer settings.

  • Page 86: Unit Part (Catalog) & Serial Numbers

    This Touching the OFF button next to the desired option identifies the Lennox Catalog Number, Part Number will change the status to ON and will enable the relay and Serial Number. Separate the base plate from for that terminal.

  • Page 87: Diagnostic Information

    Diagnostic Information Priority 0:high Error Screen Message Action to Clear / Recovery Condition System Action 1:middle Code Text Type Condition 2:low High temperature protec­ All stages of heat are turned off high Once temperature drops tion when outdoor ambient by safety relay. This error is temperature critical below 96°F (35.6°C), the...

  • Page 88: Reminder Information

    Reminder Information Error Message Screen Text Action to Clear / Recovery Condition Code Type replace media filter replace UV lamp replace humidity pad routine system check-up reminder Touch either done to clear the reminder or remind later button. replace metal insert for pure air user editable user editable Supported Configurations...

  • Page 89: Installation Checklist

    Installation Checklist Item Item Number Is the thermostat level where mounted on the wall? Is the thermostat installed away from direct sunlight or discharge air vents? Has the thermostat been wired correctly based on the type of equipment in­ stalled (air handler, outdoor unit and accessories? Is the thermostat wiring secured tightly to the terminals? Is the common wire (terminal C) connected? Has the System Test Mode located under the installer settings been used to...

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