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Lennox EL196UH110XE60C

Lennox EL196UH110XE60C
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Page 1
INSTALLATION
INSTRUCTIONS
EL196UHE
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.
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.
CAUTION
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.
© 2020 Lennox Industries Inc.
Dallas, Texas USA
ELITE
®
SERIES GAS FURNACE
UPFLOW / HORIZONTAL AIR DISCHARGE
Contents
Unit Dimensions - inches (mm) ......................................2
EL196UHE......................................................................3
Shipping and Packing List ..............................................3
Safety .............................................................................3
Use of Furnace as a Construction Heaterl .....................4
General ...........................................................................5
Combustion, Dilution, Ventilation Air...............................5
Setting Equipment ..........................................................8
Filters ............................................................................13
Duct System .................................................................13
3LSH)LWWLQJV6SHFL¿FDWLRQV...........................................13
Joint Cementing Procedure ..........................................16
Venting Practices ..........................................................16
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

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Lennox EL196UH110XE60C Specifications

General IconGeneral
BrandLennox
ModelEL196UH110XE60C
CategoryFurnace
LanguageEnglish

Summary

INSTALLATION INSTRUCTIONS EL196 UHE

Safety Information

Critical safety warnings and cautions for handling and installation.

Unit Dimensions

EL196 UHE Gas Furnace

Shipping and Packing List

Lists the items included with the furnace shipment.

Installation Locations

Use of Furnace as Construction Heater

Outlines conditions for using the furnace as a temporary construction heater.

General

Combustion, Dilution, Ventilation Air

Details requirements for air supply in Non-Direct Vent installations.

Confined Space

Installation - Setting Equipment

Upflow Applications

Details furnace installation in the upflow position.

Installation Clearances

Return Air Guidelines

Provides guidelines for connecting the return air system.

Removing the Bottom Panel

Horizontal Applications

Warns against installing the furnace on its front or back.

Horizontal Application Installation Clearances

Platform Installation of Horizontal Unit

Details the process for installing the furnace on a platform.

Filters

Return Air Plenum

Warns against drawing return air from rooms with gas appliances due to CO risk.

Pipe & Fittings Specifications

IMPORTANT (PVCABS Venting)

Guidance on using PVC primer, solvent cement, and ABS transition cement.

Joint Cementing Procedure

DANGER OF EXPLOSION!

Warns about fume ignition during system checks.

Details of Intake and Exhaust Piping Terminations for Direct Vent Installations

Vent Piping Guidelines

Guidelines for using approved vent piping systems.

Piping Size Process

IMPORTANT (ExhaustIntake Terminations)

Warns against using screens in terminations to prevent freeze-ups.

TABLE 5 Maximum Allowable Intake or Exhaust Vent Length in Feet

TYPICAL EXHAUST AND INTAKE PIPE CONNECTIONS IN UPFLOW DIRECT OR NON-DIRECT VENT APPLICATIONS

Intake Piping

TYPICAL AIR INTAKE PIPE CONNECTIONS UPFLOW NON-DIRECT VENT APPLICATIONS

Diagram for upflow non-direct vent intake pipe connections.

General Guidelines for Vent Terminations

IMPORTANT (Canadian Installations)

Canadian-specific requirement for air intake and exhaust outlet separation.

VENT TERMINATION CLEARANCES FOR NON-DIRECT VENT INSTALLATIONS IN THE US AND CANADA

VENT TERMINATION CLEARANCES FOR DIRECT VENT INSTALLATIONS IN THE US AND CANADA

DIRECT VENT CONCENTRIC WALL TERMINATION

FLUSH-MOUNT SIDE WALL TERMINATION KIT

Diagram for flush-mount side wall termination kit.

Details of Exhaust Piping Terminations for Non-Direct Vent Applications

Crawl Space and Extended Horizontal Venting

Information on venting through crawl spaces and extended horizontal runs.

Condensate Piping

CAUTION (Copper Tubing)

Warns against using copper tubing or lines for condensate drains.

CONDENSATE TRAP LOCATIONS

Furnace With Evaporator Coil Using a Separate Drain

Illustrates furnace and coil with separate drains.

Furnace with Evaporator Coil Using a Common Drain

IMPORTANT (AC Condensate Drain Venting)

Importance of venting A/C condensate drains for furnace operation.

Gas Piping

Leak Check

Procedure for checking gas piping for leaks.

Horizontal Applications Possible Gas Piping Configurations

Removal of the Furnace from Common Vent

WARNING CARBON MONOXIDE POISONING HAZARD!

Warning about CO poisoning from venting system issues.

Electrical

WARNING (Electric Shock Hazard)

Warning about electric shock hazard and proper grounding.

IGNITION CONTROL

Indoor Blower Speeds

Information on adjusting indoor blower speeds.

TYPICAL EL196 UHE WIRING DIAGRAM

Unit Start-Up

WARNING (Flood Damage)

Warning about operating flood-damaged furnace components.

Gas Valve Operation (Figure 61)

WARNING (Fire or Explosion)

Warning about fire or explosion if instructions are not followed.

Check Manifold Pressure

Proper Combustion

How to check for proper combustion and CO levels.

TABLE 15 Manifold and Supply Line Pressure 0-10,000 ft.

TABLE 16 Conversion Kit and Pressure Switch Requirements at Varying Altitudes

Table detailing conversion kit and switch requirements for altitude.

Testing for Proper Venting and Sufficient Combustion Air for Non-Direct Vent Applications

Temperature Rise

How to check and adjust furnace temperature rise.

Service

Annual Furnace Maintenance

Checklist for annual furnace maintenance.

Planned Service

Cleaning the Burner Assembly

Steps for cleaning the burner assembly.

Repair Parts List

Requirements for Commonwealth of Massachusetts

MANUFACTURER REQUIREMENTS - GAS EQUIPMENT VENTING SYSTEM PROVIDED.

Manufacturer requirements when providing vent system components.

UNIT SET UP

GAS SUPPLY

Checks related to gas supply connection and pressure.

UNIT OPERATION

THERMOSTAT

Verify thermostat settings and owner explanation.

Blower Data

USERS INFORMATION MANUAL

WARNING (Fire or Explosion Hazard)

Warning about fire and explosion hazards from failure to follow safety warnings.

EL196 UHE Parts Identification

Notice to Homeowner

Information for homeowners about safety devices and periodic checks.

Safety Instructions

WARNING (Carbon Monoxide)

Warning about CO poisoning from combustion product infiltration.

Operating the Gas Valve (Figure 2)

WARNING (Fire or Explosion)

Warning about fire or explosion if instructions are not followed.

Venting System

WARNING (Asphyxiation Hazard)

Warning about asphyxiation hazard from venting system issues.

Safety Precautions

Planned Service

Annual furnace maintenance schedule and items.

Inspect the furnace return air duct connection

Perform a general system test.

Procedures for performing a general system test.

Features

Home Screen Temperature Indicator

Description of the temperature indicator on the thermostat's home screen.

Home Screen Information

OPERATING MODE SELECTION

How to select the operating mode (heat/cool, fan).

System Status Icons

Operating Mode Selection

FAN OPERATION

How to select and configure fan operation modes.

User Menu Screen

NOTIFICATIONS

How system errors or reminders are displayed.

EDIT SCHEDULES

Figure 8. Renaming and Editing Schedules

User Settings Menu

reminders

Setting and managing predefined and custom reminders.

Table 3. User Settings (General)

screen saver

Enabling/disabling screen saver and adjusting backlight settings.

Shipping and Packing List

IMPORTANT

Important note to read the manual before programming the thermostat.

Compressor Short Cycle Protection

CAUTION (Voltage)

Caution regarding installing the thermostat on voltages higher than 30VAC.

DO NOT

Installation Setup

Steps for unpacking and selecting a location for the thermostat.

Thermostat Installation with Wall Plate

Thermostat Installation without Wall Plate

Steps for installing the thermostat without a wall plate.

Wiring thermostat

TERMINAL DESIGNATIONS

Explains the function of each terminal on the thermostat.

Installer Settings

3. Available options are as follows:

Lists available installer settings options.

System Setup

Deadband

Setting the minimum difference between cooling and heating setpoints.

Reset Settings

Energy saving Default

Setting energy-saving temperature points for heating and cooling.

Memory Protection

Diagnostic Information

Reminder Information

Information about managing reminders.

Installation Checklist

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