LENNOX EL296UHE Upflow Horizontal Two Stage Heat Constant Torque Blower Instruction Manual

LENNOX EL296UHE Upflow Horizontal Two Stage Heat Constant Torque Blower

Product Specifications

• AFUE: 96%
• Input: 44,000 to 132,000 Btuh
• Nominal Add-on Cooling: 1.5 to 5 Tons
• Model Number: EL296UHE

Product Usage Instructions

Heating System Features:

• Lennox Duralok PlusTM Heat Exchanger Assembly
• Condensate disposal through drains
• Flame Rollout Switches (2)

Optional Accessories:

• Natural Gas to LPG/Propane Conversion Kit
• LPG/Propane to Natural Gas Conversion Kit
• Inshot Burners
• Two-Stage Gas Control Valve
• Two-Speed Combustion Air Inducer

Direct Vent/Non-Direct Vent Sealed Combustion System:

• Roof Termination Flashing Kit
• Flue exhaust pipe
• Concentric – Direct Vent Applications

Controls:

• Furnace Input Staging Options
• Thermostat Type Input Staging Available
• Two-Stage (Conventional)
• Single-Stage (Conventional)

Blower Features:
Power SaverTM Constant Torque Blower Motor

FAQ

Q: What is the AFUE rating of the EL296UHE gas furnace?

A: The AFUE rating is 96%.

Q: What is the input range for the gas furnace?

A: The input range is from 44,000 to 132,000 Btuh.

Q: Are there optional accessories available for this gas furnace?

A: Yes, optional accessories include conversion kits, in-shot burners, gas control valves, and more.

MODEL NUMBER R I IDENTIFICATION

FEATURE HIGHLIGHTS

1. Lennox Duralok Plus™ Heat Exchanger
2. Secondary Heat Exchanger
3. Inshot Burners
4. SureLight® Hot Surface Ignitor
5. Two-Stage Gas Control Valve
6. Two-Speed Combustion Air Inducer
7. Flame Rollout Switches
8. SureLight® Integrated Furnace Control
9. Variable Speed Direct Drive Blower
10. Insulated Cabinet
11. Safety Interlock Switch
12. Gas Piping And Electrical Inlets

APPROVALS AND WARRANTY

APPROVALS

• AHRI Certified
• CSA International Certified
• Tested and rated according to US DOE test procedures and FTC labelling regulations
• Units are approved for installations from 0 – 4500 ft.
• ENERGY STAR® certified units are designed to use less energy, help save money on utility bills, and help protect the environment
• ISO 9001 Registered Manufacturing Quality System
• Blower data from unit tests conducted in Lennox Laboratory air test chamber

NOTE
This furnace has not been CSA International design certified for installation in mobile homes, recreational vehicles, or outdoors.

California Only

• These furnaces do not meet the South Coast Air Quality Management District (SCAQMD) Rule 1111 and San Joaquin Valley Air Pollution Control District (SJVAPCD) Rule 4905 NOx emission limit (14 ng/J) and cannot be installed within the SCAQMD, SJVAPCD and Bay Area
• These furnaces are approved by the California Energy Commission and meet California Nitrogen Oxides Standard (NOx) limits of 40 ng/J

WARRANTY

• Duralok Plus™ Aluminized Steel Heat Exchanger:
  • Limited lifetime (twenty-year transferable) in residential applications
  • Limited ten years in non-residential applications
• All other covered components:
  • Limited five years in residential installations
  • Limited one year in non-residential installations

NOTE – Refer to Lennox® Basic Limited Warranty at www.Lennox.com for additional details.

FEATURES

APPLICATIONS

• Input capacities of 44,000, 66,000, 88,000, 110,000 and 132,000 Btuh
• Energy efficiency (AFUE) – 96%
• Compact cabinet for upflow, horizontal-left or horizontal-right applications without any modifications
• The removable bottom seal panel shipped in place for side return air is easily removed for bottom/end return air applications
• Lennox add-on indoor coils, high-efficiency air cleaners and humidifiers can easily be added to the furnace
• Shipped factory assembled with all controls installed and wired
• Each unit factory test operated to ensure proper operation

HEATING SYSTEM

1. Lennox Duralok Plus™ Heat Exchanger Assembly

   • Lennox developed a heat exchanger assembly consisting of the primary heat exchanger and secondary condenser coil assembly
   • Main multi-pass crimped seam design clamshell type
   • Constructed of heavy-gauge, aluminized steel
   • Designed for normal expansion and contraction with maximum efficiency and minimum resistance to airflow

2. Secondary heat exchanger condenser coil constructed of aluminium fins fitted to stainless steel tubes

   • The coil is factory-tested for leaks

   • Condensate drain header box assembly located on the front of the coil

   • Compact size permits low overall design of furnace cabinet

   • Laboratory life cycle tested more than industry standards
     Lennox Designed Header Box

   • The header box on the end of the condenser coil collects flue condensate for disposal through condensate drains

   • Drains are located on each side of the cabinet for easy field installation of condensate drain trap

   • Only one drain is used, the other drain is sealed

   • A condensate drain trap is included with the unit for field installation
     Lennox Designed Flue Condensate Trap Assembly

   • Field-installed outside the conditioned air stream

   • Assembly can be mounted on either side of the cabinet in upflow applications

   • Assembly is mounted below the cabinet in horizontal applications

   • Can also be mounted remotely (up to 5 ft. away) from the unit

   • See installation instructions

   • 90° street elbow furnished for ease of drain trap installation

   • Drain connection can be made with field-provided PVC pipe, PVC coupling, or vinyl tubing with a hose clamp

   • The drain cap on the trap allows easy cleaning and winterizing

3. Inshot Burners

   • Aluminized steel in-shot burners provide efficient, trouble-free operation
   • Burner venturi mixes air and gas in the correct proportion for proper combustion
   • Burner assembly can be removed from the unit as a single component for ease of service

4. SureLight® Hot Surface Ignitor

   • Tough, reliable, long-life, trouble-free performance
   • Silicon nitride ignitor
   • Cemented to steatite block for protection against current leakage
   • Ignition leads are constructed of nickel-plated copper and are enclosed in high-temperature Teflon® insulation for dependable operation

5. Two-Stage Gas Control Valve

   • 24-volt redundant combination two-stage gas control valve combines manual shut-off switch (On-Off), automatic electric valve (dual) and gas pressure regulation into a compact combination control

6. Two-Speed Combustion Air Inducer

   • Permanent split capacitor (PSC), heavy-duty blower pre-purges heat exchanger and safely vents flue products
   • Operates only during the heating cycle
   • Dual pressure switches (low fire/high fire) prove blower operation before allowing the gas valve to open
   • Direct access allows inducer assembly to be rotated 90° clockwise or counterclockwise to facilitate easy vent attachment in horizontal applications

7. Flame Rollout Switches (2)

   • Factory installed on burner box

   • The switch protects from abnormal operating conditions

   • Manual reset
     Limit Control

   • The primary limit is accurately located on the vestibule panel

   • Automatic reset
     Optional Accessories

   • High Altitude Orifice Kits

   • Required on all units for proper unit operation at altitudes from 7501 to 10,000 ft.

   • Available for natural gas and LPG/propane
     High Altitude Pressure Switch Kit

   • Required for proper unit operation on installations above 4500 ft.
     Natural Gas to LPG/Propane Conversion Kit

   • Required for field changeover from natural gas to LPG/Propane
     LPG/Propane to Natural Gas Conversion Kit

   • Required for field changeover from LPG/Propane to natural gas
     Muffler (US Only)

   • Significantly reduces outdoor operating sound levels

   • Two-inch diameter muffler is optional for 045 through 110 input models

   • NOTE – Two-inch muffler is optional for the 110 input model with a maximum vent pipe length of up to 29 ft. Three-inch diameter muffler is optional for 110 and 135 input models.

   • NOTE – Three-inch muffler is optional for the 110 input model with a minimum vent pipe length of 30 ft.

   • Installed vertically in the exhaust piping

   • See Optional Accessory Dimension Drawing
     DIRECT VENT / NON-DIRECT VENT SEALED COMBUSTION SYSTEM

   • The furnace features a “sealed combustion” system and can be installed in either Direct Vent or Non-Direct applications

   • In Direct Vent applications, combustion air is supplied from outdoors and flue gases are discharged outdoors

   • In Non-Direct Vent applications, combustion air is supplied from indoors and flue gases are discharged outdoors
     NOTE – Lennox has approved the use of DuraVent® PolyPro® and Centrotherm InnoFlue® manufactured vent pipe and terminations as an alternative to PVC vent pipe. Must be ordered separately.

   • Tested and listed to the ULC S636 standard in Canada

   • The polypropylene venting system must follow the uninsulated and unconditioned space vent lengths listed in Table 12

   • Refer to the Installation Instructions for additional details
     Flue Coupling

   • Assists with exhaust flue piping connection and servicing

   • Includes flexible one 2 inch rubber coupling and two adjustable bands

   • Approved for all Lennox 90% furnaces
     Termination Kits

   • Facilitates installation of combustion air intake pipe and flue exhaust pipe

   • Refer to the venting table in this bulletin to determine the pipe size needed and the proper termination kit required

   • Certain Termination Kits are certified to ULC S636 standard for use in Canada only

   • See the Optional Accessories table and dimension drawings
     Concentric – Direct Vent Applications

   • 2 or 3-inch kit contains concentric termination assembly, reducer bushing and 45-degree elbow

   • 2-inch kit for -045-070 models contains an outdoor exhaust accelerator

   • Kit requires single-hole penetration of the roof or wall for installation

   • Roof Termination Flashing Kit is available for use with 2-inch Kits

   • CSA certified
     Flush-Mount

   • Kit contains flush-mount termination, accelerator, mounting template and hardware

   • The kit may be used with 2, 2-1/2 or 3 in. pipe
     Wall Assembly
     Close Couple (US Only) – Direct Vent Applications

   • 2 or 3-inch kit consists of close-couple, side-by-side PVC piping with galvanized steel wall cover plate for sealing and isolating piping penetration of the wall

   • Piping spacing and length are sized for proper wall installations

   • CSA certified
     Close Couple WTK (Canada Only) – Direct Vent Applications

   • A 2 or 3-inch kit contains one insulated faceplate, one insulated exhaust pipe, elbow and fittings. Certified to ULC S636 standard
     NOTE – Maintain a maximum of 6 inches between the inlet and outlet openings in the installation of the pipes.
     Roof Termination Flashing Kit

   • For vertical venting through a roof

   • 2 or 3-inch kit contains two neoprene rubber roof flashings

   • A vent pipe and insulation not furnished

   • Flashing Kit can also be used with Concentric Vent Termination Kits used in vertical venting rooftop applications
     CONTROLS

8. SureLight® Integrated Furnace Control

   • Contains all necessary controls and relays to operate the furnace
   • The combustion air inducer is operated by the integrated furnace control
   • Before ignition, a pre-purge cycle for 15 seconds is initiated
   • After the main burners are turned off, a post-purge cycle for 5 seconds is run
   • Safety Controls – Flame sensor utilizes flame rectification for safe and reliable operation
   • Should loss of flame occur, the integrated furnace control will initiate 4 re-attempts at ignition before locking out unit operation for 60 minutes
   • The WatchGuard-type circuit automatically resets ignition controls after one hour of continuous thermostat demand after the unit lockout, eliminating nuisance calls for service
   • Thermostat Control – For optimal performance, the use of a high-quality, digital two-stage thermostat with adjustable settings for first stage/second stage, on/off differentials and adjustable stage timers is recommended
     Furnace Input Staging Options Thermostat Type| Input Staging Available
     ---|---
     Two-Stage (Conventional)| Determined by thermostat demand

Single-Stage (Conventional)

| 2nd-stage heat ON delay (DIP switch setting)

OFF – 7 minutes (factory) ON – 12 minutes

  * Display LED – Seven-segment LED displays alpha-numeric information related to diagnostics as well as system operation and status
  * Diagnostic codes are held in non-volatile memory, immune from power interruptions
  * Holds up to ten diagnostic codes in order of occurrence for recall on demand
  * The portion of the power door allows for easy viewing  

DIP Switch Settings

  * Select Thermostat Used – Single-Stage or Two-Stage
  * Two selectable second-stage recognition times (7 and 12 minutes) are available on the control when the furnace is used with a single-stage thermostat
  * When used with a two-stage thermostat, the furnace will only initiate second-stage operation with a second-stage thermostat demand
  * Second Stage Delay – Used with single-stage thermostat only. See the Furnace Input Staging Options table for details
  * Blower On/Off Time (Heating) – Blower on time is fixed at 30 seconds, blower off time is adjustable from 60, 90, 120 and 180 seconds (factory setting – 90 seconds)
  * Blower On/Off Time (Cooling) – For air-conditioning applications, the blower “on” time is 2 seconds following the thermostat demand for cooling
  * Blower “off” time in cooling mode is adjustable from 2 or 45 seconds (factory setting – 45 seconds)
  * For air-conditioning applications, the blower is automatically energized on thermostat demand for cooling
  * Heating Speeds – Low Heat or High Heat
  * Cooling Speeds – Low Cool or High Cool
  * Continuous Speed – Low Heat (factory setting) – adjustable
  * Dehumidification – A jumper on the control must be clipped to enable dehumidification
  * A humidity-controlling thermostat or device is also required
  * During a call for cooling, the air volume is automatically reduced, forcing humidity removal by the air conditioner or heat pump system (single-stage units or two-stage units running at 2nd stage)
  * After the humidity has reached the desired sset the cooling air volume returns to its designed rate
  * Dual-Fuel Operation – A jumper on the control must be clipped to enable operation with a single or two-stage heat pump
  * The indoor blower is started without delay when a call for heat is received
  * Two-Stage Compressor Operation – A jumper on the control must be clipped to enable operation with a twostage compressor
  * Accessory Terminal – One accessory terminal furnished for additional power supply requirements for 120voltst (less than 1 amp) powered air cleaners
  * One un-powered pair of contacts is provided for humidifier connections and may be connected to 24V or 120V
  * Control is factory-installed in the unit control box  

24 Volt Transformer (40VA)

  * Furnished and factory installed on the outside of control box
  * The circuit breaker (furnished) is wired in series  

Field Wiring Make-up Box

  * Furnished for line voltage wiring
  * Factory installed internally on the left side of the furnace
  * Box may be installed internally on the right side of furnace  

Optional Accessories
E30 Smart Wi-Fi Thermostat

  * Wi-Fi enabled, electronic 7-day, universal, multi-stage, programmable, touchscreen thermostat
  * 3 Heat/2 Cool
  * Auto-changeover
  * Controls dehumidification during cooling mode and humidification during heating mode
  * Offers enhanced capabilities including humidification/dehumidification/dewpoint measurement and control, Humiditrol® control, and equipment maintenance reminders
  * Easy to read 7 in. colour touchscreen (measured diagonally)
  * LCD with backlight shows the current and set temperature, time, inside relative humidity, system status (operating mode and schedules) and outside temperature (optional outdoor sensor required)
  * Smooth Setback Recovery starts the system early to achieve the setpoint at start of the program period
  * Compressor short-cycle protection (5 minutes)
  * Up to four separate schedules are available plus Schedule IQ™
  * One-Touch Away Mode – A quick and easy way to set the cooling and heating setpoints while away
  * Smart Away™ – Uses geo-fencing technology to determine when the homeowner is within a predetermined distance from the home to operate the system when leaving, away and arriving
  * Wi-Fi remote monitoring and adjustment through a home wireless network for desktop PCs, laptops and apps for smartphones or tablets
  * Smart home automation compatible with Apple HomeKit™, Amazon Alexa®, Google Assistant and IFTTT
  * Service Dashboard features online real-time monitoring of installed Lennox® thermostats
  * High Definition Color Display with Subbase, Smart Hub Controller, wallplate (for retrofit installations) furnished for easy installation
  * See the Lennox® E30 Smart Wi-Fi Thermostat Product Specifications bulletin for more information  

Remote Outdoor Temperature Sensor

  * Used with the Lennox® E30 Smart Wi-Fi Thermostat
  * When installed outdoors, the sensor allows the thermostat to display the outdoor temperature  

NOTE – Sensor is required for Enhanced Dehumidification Control (EDA) applications. Thermostat

  * The thermostat is not furnished with a unit
  * See Lennox Price Book for selection  

Furnace Twinning Panel

  * Required to operate two identical furnaces simultaneously from a single thermostat
  * For single-stage conventional (1 heat/1 cool), multi-stage conventional (2 heat/2 cool) and heat pump (3 heat/2 cool) equipment
  * Can be used with common or separate ducted systems
  * Contains PC Control Board with terminal strip connections for thermostat and HVAC equipment
  * LEDs indicindicatestem’s operating status
  * Uses a standard 18-gauge thermostat wire
  * Power Supply: 24 VAC, 40VA (transformer not furnished)
  * Mounting base with hardware furnished
  * Dimensions (H x W x D): 10 x 5 x 2 in.
  *  **NOTE** – Only identical furnaces should be twinned to ensure that both furnace blowers start at the same time. If furnaces are not identical, backdraft dampers can be installed in either the supply or return duct.
  * Up to four identical furnaces can be twinned. Requires two panels that are wired together.  

Furnace Twinning Kit

  * Required to operate two furnaces simultaneously.
  * Kit consists of twinning relays, quick-connect terminals and mounting hardware
  * Used for two-stage heating/single-stage cooling with either a single-stage or two-stage thermostat  

Transformer (75VA)

  * Recommended when the furnace is used with zoning or defrost thermostats and other 24V accessories requiring a higher VA rating
  * The circuit breaker (furnished) is wired in series
  * Replaces the standard 40VA transformer  

Blower Relay Kit

  * For use with two-stage outdoor units
  * Allows furnace blower speed changes when matched with two-stage air conditioners or heat pumps  

BLOWER

  * Direct drive blower
  * Statically and dynamically balanced
  * Resiliently mounted
  * Blower assembly easily removed for servicing

9. Power Saver™ Constant Torque Blower Motor

   • DC Brushless Motor

   • High-Efficiency Constant Torque

   • ECM (Electronically Commutated Motor)

   • The motor is programmed to provide constant torque at each of the selectable speeds

   • The motor is controlled by the SureLight® Integrated Furnace Control

   • Blower speeds are easily changed on the integrated furnace control

   • See Blower Data tables
     CABINET

   • Low-profile, narrow width allows easy installation

   • Heavy-gauge, cold-rolled steel construction

   • Pre-painted cabinet finish

   • Flanges provided on supply air opening for ease of plenum connection or alignment with indoor coil

10. Insulated with foil-faced insulation on the sides and back of the heating compartment and mat-faced insulation in the blower compartment

    • • Sealed blower compartment
      • Inner blower compartment access panel seals blower compartment from air leakage
      • Cabinet door can be removed without any tools
      • Complete service access

11. The safety interlock switch automatically shuts off power to the unit when the blower compartment access door is removed

12. Gas piping and electrical inlets are provided on both sides of cabinet

Bottom/Side Return Air Entry:

• Upflow/horizontal with bottom return air entry:

• Remove the furnished bottom seal panel from the cabinet

• Upflow only with side return-air entry:

• Corners are marked on either side of the cabinet for return air cut-out

• See dimension drawings
  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 20 x 25 x 1 inch air filter to maintain proper velocity
  2. Bottom return air
  3. Return air from both sides
  4. The bottom and one side return air

• See Blower Performance Tables for additional information on Coil Match-Up

• All furnaces exactly match Lennox cased upflow indoor coils and horizontal indoor coils with the same letter designation (A, B, C, D) in the model number

• No adaptor required

• Engaging holes furnished on the cabinet for alignment

• Lennox uncased coils match furnaces without any overhang but require an optional adaptor base or field-fabricated transition to match the furnace opening

• See the coil bulletin for additional information

Low Leakage Cabinet

• All models have less than 2% air leakage
• Meets ANSI/ASHRAE Standard 193-2010 “Method of Test for Determining the Air Tightness of HVAC Equipment”

Optional Accessories

Condensate Drain Heat Cable Kits

• Self-limiting wattage heat cable prevents condensate drain from freezing in unconditioned areas
• Available in 6 or 24 ft. lengths

Horizontal Suspension Kit

• Provides suspension of the unit and indoor coil in horizontal applications
• Allows complete service access
• Consists of corner-mounted hanging brackets with vibration isolators, return air end support rail and hardware for assembly
• Metal hanging straps must be field-provided

Crawl Space Vent Drain Kit

• Allows venting through a crawl space for upflow and horizontal applications
• Kit for Canada is certified to ULC S636
• Includes 2 or 3-inch sanitary tee, 2-inch PVC assembly, PVC boot and clamp

Return Air Base

• NOTE – On furnaces with side return air and condensate trap on the same side of the cabinet, a field fabricated transition or Return Air Base is required when using an IAQ product higher than 14-3/16 inches installed next to the unit and serviced from the front. IAQ products higher than 20 inches require a field-fabricated transition.
• NOTE – Must be used for 60C and 60D size models with air volumes over 1800 cfm in upflow applications when only one side return is required.
• The cabinet is shipped flat for easy field assembly
• Pre-painted steel to match the furnace
• See Dimension Drawing

High-Performance Economizer (Commercial Applications Only)

• Designed for applications requiring outdoor air to be utilized in a commercial HVAC system
• Allows the entry of fresh outdoor air for free cooling, reducing the requirement for mechanical cooling
• Heavy gauge galvanized steel cabinet lined with thick fiberglass insulation
• Mixed air sensor, outdoor air sensor and 24VAC transformer furnished
• Approved for California Title 24 building standards. ASHRAE 90.1-2010 compliant
• See the separate Product Specifications bulletin for additional information and available control and sensor options

FILTER (not furnished)

• Filter and provisions for external mounting must be field-provided

Optional Accessories
Air Filter and Rack Kit for Horizontal Return Air (End) Applications

• Washable or vacuum-cleanable polyurethane frame-type filter and external end return air rack
• The rack has a filter door for servicing
• Flanges on a rack for duct connection
• Field-installed
• See dimension drawing

Air Filter and Rack Kit for Upflow Side Return Air

NOTE – Not for use with Return Air Base

• Washable or vacuum-cleanable polyurethane frame type filter and external side return air rack available for field installation
• Available in single and ten-pack kits
• The rack has a filter door for servicing
• Flanges on a rack for duct connection
• Field installs on either side of the unit cabinet
• See dimension drawing

SPECIFICATIONS

SPECIFICATIONS

Gas Heating

Performance

| Model No.| EL296UH045XE36B| EL296UH070XE36B| EL296UH090XE48C
AHRI Ref. No.| 5625717| 5625718| 5625719
1 AFUE| 96%| 96%| 96%
High Fire| Input – Btuh| 44,000| 66,000| 88,000
Output – Btuh| 43,000| 64,000| 85,000
 | Temperature rise range – °F| 30-60| 35-65| 40-70
Gas Manifold Pressure (in. w.g.) Nat. Gas / LPG/Propane| 3.5 / 10.0| 3.5 / 10.0| 3.5 / 10.0
Low Fire| Input – Btuh| 29,000| 43,000| 57,000
Output – Btuh| 28,000| 42,000| 55,000
 |  | Temperature rise range – °F| 20 – 50| 25 – 55| 30 – 60
Gas Manifold Pressure (in. w.g.) Nat. Gas / LPG/Propane| 1.7 / 4.5| 1.7 / 4.5| 1.7 / 4.5
High static – in. w.g.| 0.5| 0.5| 0.5
Connections in.|  | Intake / Exhaust Pipe (PVC)| 2 / 2| 2 / 2| 2 / 2
 | Gas pipe size IPS| 1/2| 1/2| 1/2
Condensate Drain Trap (PVC pipe) – i.d.| 3/4| 3/4| 3/4
 |  | with furnished 90° street elbow| 3/4 slip x 3/4 Mipt| 3/4 slip x 3/4 Mipt| 3/4 slip x 3/4 Mipt
with field supplied (PVC coupling) – o.d.| 3/4 slip x 3/4 MPT| 3/4 slip x 3/4 MPT| 3/4 slip x 3/4 MPT
Indoor Blower| Wheel nominal diameter x width – in.| 10 x 8| 10 x 8| 10 x 10
 | Motor Type| DC Brushless| DC Brushless| DC Brushless
 |  | Motor output – hp| 1/2| 1/2| 3/4
 |  | Tons of add-on cooling| 1.5 – 3| 1.5 – 3| 2.5 – 4
 |  | Air Volume Range – cfm| 520 – 1345| 550 – 1380| 760 – 1740
Electrical Data|  | Voltage| 120 volts – 60 hertz – 1 phase
 |  | Blower motor full load amps| 6.8| 6.8| 8.4
 | Maximum overcurrent protection| 15| 15| 15
Shipping Data|  | lbs. – 1 package| 129| 133| 159

NOTE
Filters and provisions for mounting are not furnished and must be field- provided.

1. Annual Fuel Utilization Efficiency based on DOE test procedures and according to FTC labelling regulations. Isolated combustion system rating for non-weatherized furnaces.

SPECIFICATIONS

Gas Heating

Performance

| Model No.| EL296UH110XE60C| EL296UH135XE60D
AHRI Ref. No.| 5625720| 5625721
1 AFUE| 96%| 96%
High Fire| Input – Btuh| 110,000| 132,000
Output – Btuh| 106,000| 127,000
 | Temperature rise range – °F| 40-70| 45-75
Gas Manifold Pressure (in. w.g.) Nat. Gas / LPG/Propane| 3.5 / 10.0| 3.5 / 10.0
Low Fire| Input – Btuh| 72,000| 86,000
Output – Btuh| 70,000| 84,000
 |  | Temperature rise range – °F| 30-60| 35-65
Gas Manifold Pressure (in. w.g.) Nat. Gas / LPG/Propane| 1.7 / 4.9| 1.7 / 4.9
High static – in. w.g.| 0.5| 0.5
Connections in.|  | Intake / Exhaust Pipe (PVC)| 2 / 2| 2 / 2
 | Gas pipe size IPS| 1/2| 1/2
Condensate Drain Trap (PVC pipe) – i.d.| 3/4| 3/4
 |  | with furnished 90° street elbow| 3/4 slip x 3/4 Mipt| 3/4 slip x 3/4 Mipt
with field supplied (PVC coupling) – o.d.| 3/4 slip x 3/4 MPT| 3/4 slip x 3/4 MPT
Indoor Blower| Wheel nominal diameter x width – in.| 11-1/2 x 10| 11-1/2 x 10
 | Motor Type| DC Brushless| DC Brushless
 |  | Motor output – hp| 1| 1
 |  | Tons of add-on cooling| 3 – 5| 3.5 – 5
 |  | Air Volume Range – cfm| 1055 – 2220| 1260 – 2405
Electrical Data|  | Voltage| 120 volts – 60 hertz – 1 phase
 |  | Blower motor full load amps| 10.9| 10.9
 | Maximum overcurrent protection| 15| 15
Shipping Data|  | lbs. – 1 package| 174| 189

NOTE
Filters and provisions for mounting are not furnished and must be field- provided.

1. Annual Fuel Utilization Efficiency based on DOE test procedures and according to FTC labelling regulations. Isolated combustion system rating for non-weatherized furnaces.

OPTIONAL ACCESSORIES

OPTIONAL ACCESSORIES – ORDER SEPARATELY

OPTIONAL ACCESSORIES – ORDER SEPARATELY

 | “B” Width Models| “C” Width Models| “D” Width Models
CABINET ACCESSORIES
Horizontal Suspension Kit – Horizontal only| 51W10| 51W10| 51W10
Return Air Base – Upflow only| 50W98| 50W99| 51W00
High-Performance Economizer (Commercial Only)| 10U53| 10U53| 10U53
CONDENSATE DRAIN KITS
Condensate Drain Heat Cable| 6 ft.| 26K68| 26K68| 26K68
 | 24 ft.| 26K69| 26K69| 26K69
Crawl Space Vent Drain Kit| US| 51W18| 51W18| 51W18
Canada| 15Z70| 15Z70| 15Z70
CONTROLS
Blower Relay Kit (for two-stage outdoor units)| 85W66| 85W66| 85W66
Furnace Twinning Panel| Y3653| Y3653| Y3653
Furnace Twinning Kit| 16W72| 16W72| 16W72
Transformer (75VA)| 27J32| 27J32| 27J32
E30 Smart Wi-Fi Thermostat| 20A65| 20A65| 20A65
Remote Outdoor Air Temperature Sensor| X2658| X2658| X2658
FILTER KITS
1 Air Filter and Rack Kit| Horizontal (end)|  | 87L96| 87L97| 87L98
 | Size of filter – in.| 18 x 25 x 1| 20 x 25 x 1| 25 x 25 x 1
Side Return| Single| 44J22| 44J22| 44J22
 | Ten Pack| 66K63| 66K63| 66K63
 | Size of filter – in.| 16 x 25 x 1| 16 x 25 x 1| 16 x 25 x 1
TERMINATION KITS

See Installation Instructions for specific venting information.

Roof Termination Flashing Kit

(no vent pipe – 2 flashings)

| 2 in.| 15F75| 15F75| – – –
3 in.| 44J41| 44J41| 44J41
VENTING
Flue Coupling|  | 2 in.| 17H92| 17H92| 17H92

1. Cleanable polyurethane, frame-type filter.

NOTE
Termination Kits (44W92, 44W93, 30G28, 51W12, 81J20) and Crawl Space Vent Drain Kit (15Z70) are certified to ULC S636 standard for use in Canada only.

GAS HEAT ACCESSORIES

Input

| High Altitude Pressure Switch Kit| Natural Gas to LPG/Propane Kit| LPG/Propane to Natural Gas Kit| Natural Gas High Altitude Orifice Kit| LPG/Propane High Altitude Orifice Kit|

Muffler

(US Only)

4501 – 7500 ft.| 7501 – 10,000 ft.| 0 – 7500 ft.| 0 – 7500 ft.| 7501 – 10,000 ft.| 7501 – 10,000 ft.
045| 14A47| 14A50| 11K51| 77W09| 73W37| 11K46| 15Y66 (2-inch)
070| 14A54| 14A53| 11K51| 77W09| 73W37| 11K46| 15Y66 (2-inch)
090| 14A57| 14A54| 11K51| 77W09| 73W37| 11K46| 15Y66 (2-inch)
110| 14A46| 14A51| 11K51| 77W09| 73W37| 11K46| 1 15Y66 (2-inch)

16A56 (3-inch)

135| 14A49| 14A51| 11K51| 77W09| 73W37| 11K46| 16A56 (3-inch)

1. Two-inch diameter muffler (15Y66) is optional for a 110-input model with a maximum vent pipe length of up to 29 ft.
2. Three-inch diameter muffler (16A56) is optional for a 110-input model with a minimum vent pipe length of 30 ft.

HIGH ALTITUDE DERATE

• NOTE – Units may be installed at altitudes up to 10,000 ft.
  • At altitudes above 4501 ft., the unit must be derated to match the manifold pressure information shown below.
  • Units installed at altitudes of 4501 to 10,000 ft. require a pressure switch change.
  • Units installed at altitudes of 7501 to 10,000 ft. require an orifice change.
  • See the Gas Heat Accessories table for ordering information.
• NOTE – This is the only permissible derate for these units.
• NOTE – In Canada, certification for installations at elevations over 4500 feet is the jurisdiction of local authorities.

Input

|

Gas

| Manifold Pressure in. w.g.| Supply Line Pressure in. w.g.

0 – 10,000 ft.

---|---|---|---

0 – 4500 ft.

|

4501 – 5500 ft.

|

5501 – 6500 ft.

|

6501 – 7500 ft.

|

7501 – 10,000 ft.

Low Fire| High Fire| Low Fire| High Fire| Low Fire| High Fire| Low Fire| High Fire| Low Fire| High Fire| Min.| Max.

All Sizes

| Natural| 1.7| 3.5| 1.6| 3.3| 1.5| 3.2| 1.5| 3.1| 1.7| 3.5| 4.5| 13.0
LPG/Propane| 4.5| 10.0| 4.2| 9.4| 4.0| 9.1| 3.9| 8.9| 4.5| 10.0| 11.0| 13.0
OUTDOOR TERMINATION KIT USAGE|
---|---

Input Size

|

Vent Pipe Diameter (in.)

| Standard Terminations| Concentric Terminations|
Flush Mount Kit| Wall Kit| Field Fabricated Exhaust Accelerator Size Required| Concentric Kit|
1-1/2 inch| 2 inch| 3 inch|
2 inch| 3 inch|
51W11 (US)

5 51W12 (CA)

| 22G44 (US)

5 30G28 (CA)

| 44J40 (US)

5 81J20 (CA)

| 71M80 (US)

5 44W92 (CA)

| 69M29 (US)

5 44W92 (CA)

| 60L46 (US)

5 44W93 (CA)

|

045

| 1 1-1/2| 4 YES| YES| 2 YES| 1-1/2 in.| 3 YES| – – –| – – –|
2| 4 YES| YES| 2 YES| 1-1/2 in.| 3 YES| – – –| – – –|
2-1/2| 4 YES| YES| 2 YES| 1-1/2 in.| 3 YES| – – –| – – –|
3| 4 YES| YES| 2 YES| 1-1/2 in.| 3 YES| – – –| – – –|

070

| 1 1-1/2| 4 YES| YES| 2 YES| 1-1/2 in.| 3 YES| – – –| – – –|
2| 4 YES| YES| 2 YES| 1-1/2 in.| 3 YES| – – –| – – –|
2-1/2| 4 YES| YES| 2 YES| 1-1/2 in.| 3 YES| – – –| – – –|
3| 4 YES| YES| 2 YES| 1-1/2 in.| 3 YES| – – –| – – –|

090

| 2| 4 YES| – – –| YES| 2 in.| – – –| YES| YES|
2-1/2| 4 YES| – – –| YES| 2 in.| – – –| YES| YES|
3| 4 YES| – – –| YES| 2 in.| – – –| YES| YES|

110

| 2| YES| – – –| YES| 2 in.| – – –| YES| YES|
2-1/2| YES| – – –| YES| 2 in.| – – –| YES| YES|
3| YES| – – –| YES| 2 in.| – – –| YES| YES|
135| 3| YES| – – –| YES| 2 in.| – – –| – – –| YES|

NOTE
Standard Terminations do not include any vent pipe or elbows external to the structure.

Any vent pipe or elbows external to the structure must be included in total vent length calculations. See Vent Length Tables.

1. 2 inch to 1-1/2 inch reducer is required and must be field provided.
2. Requires field provided 1-1/2 in. outdoor exhaust accelerator.
3. Concentric Kits 71M80 and 44W92 include a 1-1/2 in. outdoor exhaust accelerator, required when used with 045 and 070 input models. The accelerator is not used with 090, 110, or 135 input models. When using 1-1/2 in. piping, the pipe must be transitioned to 2 in. pipe when used with the Concentric Kit.
4. Flush Mount Kit 51W11 and 51W12 include a 1-1/2 in. outdoor exhaust accelerator, required when used with 045, 070 and 090 input models. The accelerator is not used with 110 or 135 input models. When using 1-1/2 in. piping, the pipe must be transitioned to 2 in. pipe when used with the Flush Mount Kit.
5. Termination Kits 30G28, 44W92, 44W93, 51W12 and 81J20 are certified to ULC S636 standard for use in Canada only.

VENT LENGTHS – UNINSULATED EXHAUST PIPE IN UNCONDITIONED SPACE

1 Winter Design Temperatures

|

Vent Pipe Diameter

| Unit Input Size
045| 070| 090| 110| 135
2 Maximum Uninsulated Exhaust Vent Length (ft.)
PVC| PolyPro InnoFlue| PVC| PolyPro InnoFlue| PVC| PolyPro InnoFlue| PVC| PolyPro InnoFlue| PVC| PolyPro InnoFlue

32 to 21°F

| 1-1/2 in| 22| N/A| 25| N/A| N/A| N/A| N/A| N/A| N/A| N/A
2 in.| 21| 18| 33| 30| 46| 42| 30| 30| N/A| N/A
2-1/2 in.| 16| N/A| 26| N/A| 37| N/A| 36| N/A| N/A| N/A
3 in.| 12| 12| 21| 21| 30| 30| 29| 29| 42| 42

20 to 1°F

| 1-1/2 in| 12| N/A| 20| N/A| N/A| N/A| N/A| N/A| N/A| N/A
2 in.| 11| 9| 19| 17| 28| 25| 27| 24| N/A| N/A
2-1/2 in.| 7| N/A| 14| N/A| 21| N/A| 20| N/A| N/A| N/A
3 in.| N/A| N/A| 9| 9| 16| 16| 14| 14| 23| 23

0 to –20°F

| 1-1/2 in| 8| N/A| 13| N/A| N/A| N/A| N/A| N/A| N/A| N/A
2 in.| 6| 4| 12| 10| 19| 16| 18| 15| N/A| N/A
2-1/2 in.| N/A| N/A| 7| N/A| 13| N/A| 12| N/A| N/A| N/A
3 in.| N/A| N/A| N/A| N/A| 8| 8| 7| 7| 13| 13

1. Refer to the 99% Minimum Design Temperature table provided in the current edition of the ASHRAE Handbook-Fundamentals.
2. The maximum Equivalent Vent Length permitted is defineTheTothe the Length (lineafeete ) of the vent pipet the univalent lengthening of the equivalent length (ft.) of termination.

VENTING NOTES
Concentric Terminations are equivalent to 5 ft. of straight pipe and should be included when measuring total pipe length.

• One 90° elbow is equivalent to 5 feet of straight vent pipe.
• Two 45° elbows are equal to one 90° elbow.
• One 45° elbow is equivalent to 2.5 feet of straight vent pipe.

VENT LENGTHS

STANDARD TERMINATION AT ELEVATION 0 – 4500 ft.

No. of 90 ELL

| 1| 25| 20| N/A| N/A| N/A| 81| 66| 44| 24| N/A| 115| 115| 93| 58| N/A| 138| 137| 118| 118| 114
2| 20| 15| N/A| N/A| N/A| 76| 61| 39| 19| N/A| 110| 110| 88| 53| N/A| 133| 132| 113| 113| 109
3| 15| 10| N/A| N/A| N/A| 71| 56| 34| 14| N/A| 105| 105| 83| 48| N/A| 128| 127| 108| 108| 104
4| 10| N/A| N/A| N/A| N/A| 66| 51| 29| N/A| N/A| 100| 100| 78| 43| N/A| 123| 122| 103| 103| 99
5| N/A| N/A| N/A| N/A| N/A| 61| 46| 24| N/A| N/A| 95| 95| 73| 38| N/A| 118| 117| 98| 98| 94
6| N/A| N/A| N/A| N/A| N/A| 56| 41| 19| N/A| N/A| 90| 90| 68| 33| N/A| 113| 112| 93| 93| 89
7| N/A| N/A| N/A| N/A| N/A| 51| 36| 14| N/A| N/A| 85| 85| 63| 28| N/A| 108| 107| 88| 88| 84
8| N/A| N/A| N/A| N/A| N/A| 46| 31| N/A| N/A| N/A| 80| 80| 58| 23| N/A| 103| 102| 83| 83| 79
9| N/A| N/A| N/A| N/A| N/A| 41| 26| N/A| N/A| N/A| 75| 75| 53| 18| N/A| 98| 97| 78| 78| 74
10| N/A| N/A| N/A| N/A| N/A| 36| 21| N/A| N/A| N/A| 70| 70| 48| 13| N/A| 93| 92| 73| 73| 69

STANDARD TERMINATION AT ELEVATION 4501 – 10,000 ft.

No. of 90 ELL

| 1| 25| 20| N/A| N/A| N/A| 81| 66| 44| N/A| N/A| 115| 115| 93| 58| N/A| 138| 137| 118| 118| 114
2| 20| 15| N/A| N/A| N/A| 76| 61| 39| N/A| N/A| 110| 110| 88| 53| N/A| 133| 132| 113| 113| 109
3| 15| 10| N/A| N/A| N/A| 71| 56| 34| N/A| N/A| 105| 105| 83| 48| N/A| 128| 127| 108| 108| 104
4| 10| N/A| N/A| N/A| N/A| 66| 51| 29| N/A| N/A| 100| 100| 78| 43| N/A| 123| 122| 103| 103| 99
5| N/A| N/A| N/A| N/A| N/A| 61| 46| 24| N/A| N/A| 95| 95| 73| 38| N/A| 118| 117| 98| 98| 94
6| N/A| N/A| N/A| N/A| N/A| 56| 41| 19| N/A| N/A| 90| 90| 68| 33| N/A| 113| 112| 93| 93| 89
7| N/A| N/A| N/A| N/A| N/A| 51| 36| 14| N/A| N/A| 85| 85| 63| 28| N/A| 108| 107| 88| 88| 84
8| N/A| N/A| N/A| N/A| N/A| 46| 31| N/A| N/A| N/A| 80| 80| 58| 23| N/A| 103| 102| 83| 83| 79
9| N/A| N/A| N/A| N/A| N/A| 41| 26| N/A| N/A| N/A| 75| 75| 53| 18| N/A| 98| 97| 78| 78| 74
10| N/A| N/A| N/A| N/A| N/A| 36| 21| N/A| N/A| N/A| 70| 70| 48| 13| N/A| 93| 92| 73| 73| 69

CONCENTRIC TERMINATION AT ELEVATION 0 – 4500 ft.

No. of 90 ELL

| 1| 20| 15| N/A| N/A| N/A| 73| 58| 42| 22| N/A| 105| 105| 89| 54| N/A| 121| 121| 114| 114| 105
2| 15| 10| N/A| N/A| N/A| 68| 53| 37| 17| N/A| 100| 100| 84| 49| N/A| 116| 116| 109| 109| 100
3| 10| N/A| N/A| N/A| N/A| 63| 48| 32| 12| N/A| 95| 95| 79| 44| N/A| 111| 111| 104| 104| 95
4| N/A| N/A| N/A| N/A| N/A| 58| 43| 27| N/A| N/A| 90| 90| 74| 39| N/A| 106| 106| 99| 99| 90
5| N/A| N/A| N/A| N/A| N/A| 53| 38| 22| N/A| N/A| 85| 85| 69| 34| N/A| 101| 101| 94| 94| 85
6| N/A| N/A| N/A| N/A| N/A| 48| 33| 17| N/A| N/A| 80| 80| 64| 29| N/A| 96| 96| 89| 89| 80
7| N/A| N/A| N/A| N/A| N/A| 43| 28| 12| N/A| N/A| 75| 75| 59| 24| N/A| 91| 91| 84| 84| 75
8| N/A| N/A| N/A| N/A| N/A| 38| 23| N/A| N/A| N/A| 70| 70| 54| 19| N/A| 86| 86| 79| 79| 70
9| N/A| N/A| N/A| N/A| N/A| 33| 18| N/A| N/A| N/A| 65| 65| 49| 14| N/A| 81| 81| 74| 74| 65
10| N/A| N/A| N/A| N/A| N/A| 28| 13| N/A| N/A| N/A| 60| 60| 44| N/A| N/A| 76| 76| 69| 69| 60

CONCENTRIC TERMINATION AT ELEVATION 4501 – 10,000 ft.

No. of 90 ELL

| 1| 20| 15| N/A| N/A| N/A| 73| 58| 42| N/A| N/A| 105| 105| 89| 54| N/A| 121| 121| 114| 114| 105
2| 15| 10| N/A| N/A| N/A| 68| 53| 37| N/A| N/A| 100| 100| 84| 49| N/A| 116| 116| 109| 109| 100
3| 10| N/A| N/A| N/A| N/A| 63| 48| 32| N/A| N/A| 95| 95| 79| 44| N/A| 111| 111| 104| 104| 95
4| N/A| N/A| N/A| N/A| N/A| 58| 43| 27| N/A| N/A| 90| 90| 74| 39| N/A| 106| 106| 99| 99| 90
5| N/A| N/A| N/A| N/A| N/A| 53| 38| 22| N/A| N/A| 85| 85| 69| 34| N/A| 101| 101| 94| 94| 85
6| N/A| N/A| N/A| N/A| N/A| 48| 33| 17| N/A| N/A| 80| 80| 64| 29| N/A| 96| 96| 89| 89| 80
7| N/A| N/A| N/A| N/A| N/A| 43| 28| 12| N/A| N/A| 75| 75| 59| 24| N/A| 91| 91| 84| 84| 75
8| N/A| N/A| N/A| N/A| N/A| 38| 23| N/A| N/A| N/A| 70| 70| 54| 19| N/A| 86| 86| 79| 79| 70
9| N/A| N/A| N/A| N/A| N/A| 33| 18| N/A| N/A| N/A| 65| 65| 49| 14| N/A| 81| 81| 74| 74| 65
10| N/A| N/A| N/A| N/A| N/A| 28| 13| N/A| N/A| N/A| 60| 60| 44| N/A| N/A| 76| 76| 69| 69| 60

VENT LENGTHS (EXHAUST) – VENTILATED ATTIC OR CRAWLSPACE INTAKE AIR

STANDARD TERMINATION AT ELEVATION 0 – 4500 ft.

No. of 90 ELL

| 1| 20| 15| N/A| N/A| N/A| 71| 56| 34| 14| N/A| 100| 100| 78| 43| N/A| 118| 117| 98| 98| 94
2| 15| 10| N/A| N/A| N/A| 66| 51| 29| 9| N/A| 95| 95| 73| 38| N/A| 113| 112| 93| 93| 89
3| 10| N/A| N/A| N/A| N/A| 61| 46| 24| 4| N/A| 90| 90| 68| 33| N/A| 108| 107| 88| 88| 84
4| N/A| N/A| N/A| N/A| N/A| 56| 41| 19| N/A| N/A| 85| 85| 63| 28| N/A| 103| 102| 83| 83| 79
5| N/A| N/A| N/A| N/A| N/A| 51| 36| 14| N/A| N/A| 80| 80| 58| 23| N/A| 98| 97| 78| 78| 74
6| N/A| N/A| N/A| N/A| N/A| 46| 31| 9| N/A| N/A| 85| 75| 63| 18| N/A| 93| 92| 73| 73| 69
7| N/A| N/A| N/A| N/A| N/A| 41| 26| 4| N/A| N/A| 70| 70| 48| 13| N/A| 88| 87| 68| 68| 64
8| N/A| N/A| N/A| N/A| N/A| 36| 21| N/A| N/A| N/A| 65| 65| 43| 8| N/A| 83| 82| 63| 63| 59
9| N/A| N/A| N/A| N/A| N/A| 31| 16| N/A| N/A| N/A| 60| 60| 38| 3| N/A| 78| 77| 58| 58| 54
10| N/A| N/A| N/A| N/A| N/A| 26| 11| N/A| N/A| N/A| 55| 55| 33| N/A| N/A| 73| 72| 53| 53| 49

STANDARD TERMINATION ELEVATION 4501 – 10,000 ft.

No. of 90 ELL

| 1| 20| 15| N/A| N/A| N/A| 71| 56| 34| N/A| N/A| 100| 100| 78| 43| N/A| 118| 117| 98| 98| 94
2| 15| 10| N/A| N/A| N/A| 66| 51| 29| N/A| N/A| 95| 95| 73| 38| N/A| 113| 112| 93| 93| 89
3| 10| N/A| N/A| N/A| N/A| 61| 46| 24| N/A| N/A| 90| 90| 68| 33| N/A| 118| 107| 88| 88| 84
4| N/A| N/A| N/A| N/A| N/A| 56| 41| 19| N/A| N/A| 85| 85| 63| 28| N/A| 113| 102| 83| 83| 79
5| N/A| N/A| N/A| N/A| N/A| 51| 36| 14| N/A| N/A| 80| 80| 58| 23| N/A| 98| 97| 78| 78| 74
6| N/A| N/A| N/A| N/A| N/A| 46| 31| 9| N/A| N/A| 85| 85| 53| 18| N/A| 93| 92| 73| 73| 69
7| N/A| N/A| N/A| N/A| N/A| 41| 26| 4| N/A| N/A| 70| 70| 48| 13| N/A| 98| 87| 68| 68| 64
8| N/A| N/A| N/A| N/A| N/A| 36| 21| N/A| N/A| N/A| 65| 65| 43| 8| N/A| 93| 82| 63| 63| 59
9| N/A| N/A| N/A| N/A| N/A| 31| 16| N/A| N/A| N/A| 60| 60| 38| 3| N/A| 78| 77| 58| 58| 54
10| N/A| N/A| N/A| N/A| N/A| 26| 11| N/A| N/A| N/A| 55| 55| 33| N/A| N/A| 73| 72| 53| 53| 49

INSTALLATION CLEARANCES

• Sides 1 0 inches (0 mm)
• Rear 0 inches (0 mm)
• Top/Plenum 1 inch (25 mm)
• Front 0 inches (0 mm)
• Front (service/alcove) 24 inches (610 mm)
• Floor 2 Combustible

NOTE

• Air for combustion must conform to the methods outlined in the National Fuel Gas Code (NFPA 54/ANSI−Z223.1) or the National Standard of Canada CAN/CSA−B149.1 Natural Gas and Propane Installation Code”.
• In the U.S. flue sizing must conform to the methods outlined in the current National Fuel Gas Code (NFPA 54/ANSI−Z223.1) or applicable provisions of local building codes. In Canada, flue sizing must conform to the methods outlined in the National Standard of Canada CAN/CSA−B149.1.

1. Allow proper clearances to accommodate condensate trap and vent pipe installation.
2. Do not install the furnace directly on carpeting, tile, or other combustible materials other than wood flooring.

DIMENSIONS

UNIT – UPFLOW POSITION

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 wa ith transition that must accommodate the required 20 x 25 x 1 inch (508 x 635 x 25 mm) air filter to maintain proper velocity.
2. Bottom return air.
3. Return air from both sides.
4. The bottom and one side return air. See Blower Performance Tables for additional information.

Optional Side Return Air Filter Kit is not for use with the Optional Return Air Base.

Model No.

| A| B| C| D
---|---|---|---|---
in.| mm| in.| mm| in.| mm| in.| mm
EL296UH045XE36B EL296UH070XE36B| 17-1/2| 446| 16-3/8| 416| 16| 406| 7-5/8| 194
EL296UH090XE48C EL296UH110XE60C| 21| 533| 19-7/8| 505| 19-1/2| 495| 9-3/8| 238
EL296UH135XE60D| 24-1/2| 622| 23-3/8| 594| 23| 584| 11-1/8| 283

UNIT – HORIZONTAL POSITION

LEFT-HAND AIR DISCHARGE

RIGHT-HAND AIR DISCHARGE

Model No.

| A| B| C| D
---|---|---|---|---
in.| mm| in.| mm| in.| mm| in.| mm
EL296UH045XE36B EL296UH070XE36B| 17-1/2| 446| 16-3/8| 416| 16| 406| 7-5/8| 194
EL296UH090XE48C EL296UH110XE60C| 21| 533| 19-7/8| 505| 19-1/2| 495| 9-3/8| 238
EL296UH135XE60D| 24-1/2| 622| 23-3/8| 594| 23| 584| 11-1/8| 283

HORIZONTAL (END) FILTER KIT

OPTIONAL RETURN AIR BASE
(Upflow Applications Only – For use with B, C and D cabinets)

NOTE
Optional Side Return Air Filter Kits are not for use with Optional Return Air Base.

1. Both the unit return air opening and the base return air opening must be covered by a single plenum or IAQ cabinet. Minimum unit side return air opening dimensions for units requiring 1800 cfm or more of air (W x H): 23 x 11 in. (584 x 279 mm). The opening can be cut as needed to accommodate the plenum or IAQ cabinet while maintaining the dimensions shown. Side return air openings must be cut in the field. There are cutting guides stencilled on the cabinet for the side return air opening. The size of the opening must not extend beyond the markings on the furnace cabinet.
2. To minimize pressure drop, the largest opening height possible, up to 14 in. (356 mm), is preferred.

OPTIONAL ACCESSORIES – VENTING

WALL TERMINATION KITS (CLOSE-COUPLE) EXTENDED VENT FOR GRADE CLEARANCE

• 2-inch (51 mm) 22G44 (US)
• 3-inch (76 mm) 44J40 (US)

See Installation Instructions for additional information.

Note

• The field-provided reducer may be required to adapt different vent pipe sizes to the termination.
• If the Intake and Exhaust Pipe is less than 12 in. (305 mm) above snow accumulation or other obstructions, field fabricated piping must be installed.

WALL TERMINATION KITS (CLOSE-COUPLE) EXTENDED VENT FOR GRADE CLEARANCE

• 2-inch (51 mm) 30G28 (WTK Canada)
• 3-inch (76 mm) 81J20 (WTK Canada)

See Installation Instructions for additional information.

Note

• Field-provided reducer may be required to adapt different vent pipe sizes to termination.
• If the Intake and Exhaust Pipe is less than 12 in. (305 mm) above snow accumulation or other obstructions, field-fabricated piping must be installed.

FURNACE/COIL COMBINED DIMENSIONS

UPFLOW POSITION

Model No

| C35/CX35

Cased

| C35

Uncased

---|---|---
A| B| A| B
C35/CX35| in.| mm| in.| mm| in.| mm| in.| mm
C35/CX35-18/24A C35/CX35-18/24B| 16-1/2| 419| 49-1/2| 1257| 14-1/8| 359| 47-1/8| 1197
C35/CX35-24A C35/CX35-24B| 18-1/2| 470| 51-1/2| 1308| 16-3/8| 416| 49-3/8| 1254
C35/CX35-30A C35/CX35-30B| 22-1/2| 572| 55-1/2| 1410| 20-3/4| 527| 53-3/4| 1365
C35/CX35-30/36A C35/CX35-30/36B C35/CX35-30/36C| ****

24-1/2

| ****

622

| ****

57-1/2

| ****

1461

| ****

22-1/4

| ****

565

| ****

55-1/4

| ****

1403

C35/CX35-36A C35/CX35-36B| 24-1/2| 622| 57-1/2| 1461| 22-3/8| 568| 55-3/8| 1407
C35/CX35-48B C35/CX35-48C| 27-1/2| 699| 60-1/2| 1537| 26-1/4| 667| 59-1/4| 1505
C35/CX35-49C| 29-1/2| 749| 62-1/2| 1588| 28-1/2| 724| 61-1/2| 1562
C35/CX35-50/60C| 27-1/2| 699| 60-1/2| 1537| 25-7/8| 657| 58-7/8| 1495
CX35-60C| 31-1/2| 800| 64-1/2| 1638| 30-5/8| 778| 63-5/8| 1616
CX35-60D| 29-1/2| 749| 62-1/2| 1588| 28| 711| 61| 1549

HORIZONTAL POSITION

CHX35

CHX35-18A, CHX35-24A, CHX35-24B, CHX35-30B,| CHX35-36A, CHX35-36B, CHX35-36C, CHX35-42C, CHX35-48C| 26-1/2| 673| 59-1/2| 1511
---|---|---|---|---|---
CHX35-30A, CHX35-42B, CHX35-48B,| CHX35-51/61C, CHX35-60D| 31-1/2| 880| 64-1/2| 1638

BLOWER DATA

EL296UH045XE36B PERFORMANCE (Less Filter)

External Static Pressure in. w.g.| Air Volume / Watts at Various Blower Speeds
---|---
High

(Black)

| Medium-High

(Brown)

| Medium

(Blue)

| Medium-Low

(Yellow)

| Low

(Red)

cfm| Watts| cfm| Watts| cfm| Watts| cfm| Watts| cfm| Watts
0.00| 1416| 339| 1286| 239| 1174| 193| 945| 101| 885| 89
0.10| 1395| 348| 1246| 249| 1139| 198| 911| 111| 847| 96
0.20| 1375| 358| 1206| 258| 1105| 203| 876| 120| 809| 103
0.30| 1348| 367| 1184| 267| 1079| 215| 839| 122| 768| 109
0.40| 1318| 380| 1160| 278| 1046| 221| 798| 132| 733| 115
0.50| 1294| 386| 1125| 286| 1014| 230| 755| 139| 694| 124
0.60| 1265| 398| 1097| 296| 987| 239| 710| 145| 652| 132
0.70| 1216| 393| 1066| 304| 957| 247| 665| 156| 606| 136
0.80| 1147| 374| 1043| 314| 923| 256| 624| 160| 569| 145
0.90| 1062| 350| 1010| 320| 889| 267| 589| 166| 532| 151
1.00| 941| 314| 917| 301| 846| 271| 556| 177| 486| 156

EL296UH070XE36B PERFORMANCE (Less Filter)

External Static Pressure in. w.g.| Air Volume / Watts at Various Blower Speeds
---|---
High

(Black)

| Medium-High

(Brown)

| Medium

(Blue)

| Medium-Low

(Yellow)

| Low

(Red)

cfm| Watts| cfm| Watts| cfm| Watts| cfm| Watts| cfm| Watts
0.00| 1424| 320| 1270| 228| 1170| 178| 953| 98| 889| 85
0.10| 1395| 333| 1242| 240| 1137| 190| 912| 107| 851| 94
0.20| 1367| 346| 1214| 252| 1104| 202| 872| 116| 813| 103
0.30| 1332| 362| 1182| 260| 1071| 213| 832| 123| 762| 110
0.40| 1311| 372| 1153| 274| 1043| 218| 775| 134| 721| 117
0.50| 1287| 382| 1119| 285| 1001| 231| 735| 141| 675| 125
0.60| 1249| 394| 1087| 294| 968| 241| 681| 148| 625| 134
0.70| 1199| 387| 1055| 306| 934| 249| 641| 156| 581| 142
0.80| 1112| 369| 1013| 316| 891| 259| 596| 166| 540| 149
0.90| 1009| 337| 946| 309| 856| 268| 554| 172| 483| 157
1.00| 840| 294| 833| 282| 793| 269| 516| 182| 443| 165

EL296UH090XE48C PERFORMANCE (Less Filter)

External Static Pressure in. w.g.| Air Volume / Watts at Various Blower Speeds
---|---
High

(Black)

| Medium-High

(Brown)

| Medium

(Blue)

| Medium-Low

(Yellow)

| Low

(Red)

cfm| Watts| cfm| Watts| cfm| Watts| cfm| Watts| cfm| Watts
0.00| 1749| 383| 1505| 275| 1414| 200| 1323| 173| 1198| 131
0.10| 1714| 401| 1490| 284| 1373| 217| 1286| 186| 1165| 143
0.20| 1679| 419| 1476| 292| 1332| 233| 1250| 199| 1131| 155
0.30| 1650| 435| 1440| 312| 1305| 247| 1219| 214| 1083| 168
0.40| 1630| 456| 1403| 327| 1271| 258| 1178| 222| 1050| 176
0.50| 1601| 469| 1377| 334| 1227| 270| 1142| 232| 1006| 188
0.60| 1567| 478| 1347| 346| 1196| 283| 1110| 245| 968| 197
0.70| 1489| 461| 1313| 361| 1165| 291| 1068| 257| 930| 207
0.80| 1390| 433| 1275| 372| 1126| 306| 1035| 268| 894| 217
0.90| 1237| 387| 1218| 373| 1091| 315| 990| 277| 843| 228
1.00| 1115| 354| 1075| 337| 1043| 324| 951| 287| 807| 235

EL296UH110XE60C PERFORMANCE (Less Filter)

External Static Pressure in. w.g.

| Air Volume / Watts at Different Blower Speeds
---|---

Bottom Return Air, Side Return Air with Return Air from Both Sides or Return Air from the Bottom and One Side.

| Single Side Return Air – Air volumes in bold (over 1800 cfm) require Optional Return Air Base and field fabricated transition to accommodate 20 x 25 x 1 in. air filter to maintain proper air velocity.
High

(Black)

| Medium-High (Brown)| Medium

(Blue)

| Medium- Low (Yellow)| Low

(Red)

| High

(Black)

| Medium-High (Brown)| Medium

(Blue)

| Medium- Low (Yellow)| Low

(Red)

cfm| Watts| cfm| Watts| cfm| Watts| cfm| Watts| cfm| Watts| cfm| Watts| cfm| Watts| cfm| Watts| cfm| Watts| cfm| Watts
0.00| 2178| 636| 1915| 438| 1742| 336| 1665| 279| 1449| 207| 2133| 636| 1847| 437| 1679| 334| 1613| 275| 1435| 200
0.10| 2140| 653| 1877| 449| 1706| 349| 1616| 292| 1419| 215| 2101| 650| 1821| 449| 1650| 346| 1558| 288| 1383| 209
0.20| 2102| 669| 1840| 461| 1670| 362| 1566| 304| 1388| 223| 2069| 664| 1795| 462| 1621| 357| 1503| 301| 1331| 217
0.30| 2061| 687| 1799| 477| 1639| 375| 1518| 317| 1326| 234| 2036| 681| 1746| 479| 1575| 373| 1466| 312| 1289| 229
0.40| 2031| 702| 1758| 492| 1590| 387| 1480| 328| 1275| 244| 1998| 698| 1708| 492| 1538| 383| 1417| 326| 1235| 241
0.50| 1999| 719| 1721| 507| 1546| 399| 1427| 341| 1229| 255| 1970| 717| 1676| 509| 1497| 397| 1377| 340| 1183| 254
0.60| 1960| 735| 1683| 519| 1505| 413| 1390| 351| 1179| 266| 1940| 731| 1641| 517| 1460| 408| 1339| 349| 1152| 262
0.70| 1908| 741| 1637| 534| 1467| 424| 1351| 361| 1128| 277| 1890| 740| 1609| 533| 1417| 423| 1293| 362| 1099| 274
0.80| 1840| 721| 1609| 550| 1423| 438| 1299| 374| 1088| 284| 1834| 730| 1560| 549| 1375| 437| 1254| 374| 1047| 286
0.90| 1744| 692| 1569| 561| 1387| 447| 1257| 386| 1036| 296| 1741| 702| 1532| 561| 1339| 447| 1219| 384| 1011| 296
1.00| 1651| 655| 1539| 573| 1347| 461| 1218| 397| 984| 305| 1645| 665| 1496| 574| 1298| 460| 1177| 397| 970| 304

EL296UH135XE60D PERFORMANCE (Less Filter)

External Static Pressure in. w.g.

| Air Volume / Watts at Different Blower Speeds
---|---

Bottom Return Air, Side Return Air with Return Air from Both Sides or Return Air from the Bottom and One Side.

| Single Side Return Air − Air volumes in bold (over 1800 cfm) require Optional Return Air Base and field fabricated transition to accommodate 20 x 25 x 1 in. air filter to maintain proper air velocity.
High

(Black)

| Medium-High (Brown)| Medium

(Blue)

| Medium- Low (Yellow)| Low

(Red)

| High

(Black)

| Medium-High (Brown)| Medium

(Blue)

| Medium- Low (Yellow)| Low

(Red)

cfm| Watts| cfm| Watts| cfm| Watts| cfm| Watts| cfm| Watts| cfm| Watts| cfm| Watts| cfm| Watts| cfm| Watts| cfm| Watts
0.00| 2303| 913| 2138| 674| 1982| 493| 1794| 351| 1621| 273| 2299| 916| 2086| 665| 1908| 494| 1722| 358| 1560| 257
0.10| 2300| 922| 2125| 689| 1948| 508| 1750| 368| 1576| 287| 2274| 936| 2058| 680| 1880| 509| 1690| 366| 1524| 269
0.20| 2298| 932| 2111| 703| 1914| 522| 1706| 385| 1531| 302| 2248| 957| 2030| 695| 1852| 523| 1659| 374| 1488| 282
0.30| 2252| 960| 2074| 720| 1880| 537| 1681| 398| 1489| 310| 2214| 970| 1997| 712| 1829| 537| 1621| 394| 1446| 297
0.40| 2227| 974| 2050| 737| 1850| 550| 1629| 412| 1439| 322| 2194| 990| 1974| 727| 1799| 554| 1595| 407| 1407| 308
0.50| 2188| 971| 2015| 757| 1809| 570| 1597| 421| 1387| 334| 2153| 994| 1947| 745| 1771| 567| 1562| 418| 1356| 321
0.60| 2114| 946| 1984| 770| 1771| 585| 1553| 439| 1351| 346| 2104| 980| 1928| 762| 1742| 583| 1519| 434| 1322| 333
0.70| 2048| 911| 1944| 785| 1730| 600| 1516| 451| 1312| 356| 2044| 949| 1897| 778| 1705| 596| 1474| 447| 1277| 345
0.80| 1962| 858| 1893| 797| 1705| 616| 1485| 462| 1267| 368| 1962| 907| 1856| 794| 1671| 616| 1449| 458| 1230| 356
0.90| 1857| 806| 1838| 774| 1665| 628| 1427| 477| 1209| 382| 1873| 853| 1809| 793| 1637| 629| 1402| 473| 1189| 368
1.00| 1780| 775| 1754| 739| 1625| 642| 1387| 488| 1177| 392| 1756| 801| 1733| 769| 1594| 643| 1362| 487| 1148| 381
REVISIONS

Sections| Description of Change
Optional Accessories| Added 75VA Transformer.

• Visit us at www.lennox.com
• For the latest technical information, www.LennoxPros.com
• Contact us at 1-800-9-LENNOX

NOTE

• Due to Lennox’s ongoing commitment to quality, Specifications, Ratings and Dimensions are subject to change without notice and without incurring liability.
• Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.
• Installation and service must be performed by a qualified installer and servicing agency.

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References

• Lennox

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