Lennox EL296UHV User Manual (English)

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 2014 Lennox Industries Inc.

Dallas, Texas, USA

AIR FLOW

UPFLOW

AIR FLOW

HORIZONTAL RIGHT

HORIZONTAL LEFT

CAUTION

As with any mechanical equipment, personal injury

can result from contact with sharp sheet metal

edges. Be careful when you handle this equipment.

INSTALLATION

INSTRUCTIONS

EL296UHV

ELITE

SERIES GAS FURNACE

UPFLOW / HORIZONTAL AIR DISCHARGE

507264-01

07/2014

Supersedes 05/2014

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 manuals, be alert

to the potential for personal injury or death.

WARNING

Improper installation, adjustment, alteration, service

or maintenance can cause property damage, person

al injury or loss of life. Installation and service must

be performed by a licensed professional HVAC in

staller (or equivalent), service agency or the gas sup

plier.

NOTICE

A thermostat is not included and must be ordered

separately.

 The Lennox icomfort Wi-Fi

thermostat must be

used in communicating applications.

 In non-communicating applications, the Lennox

ComfortSense

7000 thermostat may be used, as

well as other non-communicating thermostats.

In all cases, setup is critical to ensure proper system

operation.

Field wiring for both communicating and non-com

municating applications is illustrated in diagrams,

which begin on Page 41.

Table of Contents

Unit Dimensions 2................................

EL296UHV Gas Furnace 3.........................

Shipping and Packing List 3........................

Safety Information 3...............................

Use of Furnace as a Construction Heater 4...........

General 5........................................

Combustion, Dilution, Ventilation Air 5...............

Setting Equipment 8...............................

Filters 13..........................................

Duct System 13....................................

Pipe and Fittings Specifications 13...................

Joint Cementing Procedure 15.......................

Venting Practices 16...............................

Gas Piping 36.....................................

Electrical 39.......................................

Integrated Control 48...............................

Blower Motor Performance 51.......................

Unit Start Up 57....................................

Gas Pressure Measurement 58......................

Proper Combustion 59..............................

High Altitude 59....................................

Repair Parts List 60................................

Testing For Sufficient Combustion Air Non-Direct Vent 60

Sequence of Operation 61..........................

Service 63........................................

Program Unit Capacity Size Mode 64.................

Litho U.S.A.

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Lennox EL296UHV Specifications

General

Efficiency	Up to 96% AFUE
Stages	Two-stage
Blower	Variable-speed
Fuel Type	Natural Gas or Propane
Energy Star Certified	Yes
Heating Capacity	44, 000-132, 000 BTU/h
Warranty	Limited lifetime warranty on heat exchanger, 5-year limited warranty on covered components
Ignition	SureLight® Igniter
Filter Size	Depends on installation