Page 1
2014 Lennox Industries Inc.
Dallas, Texas, USA
AIR FLOW
UPFLOW
AIR FLOW
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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