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UNIT INFORMATION
UNIT INFORMATION
S e r v i c e L i t e r a t u r e
©2016 Lennox Industries, Inc.
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WARNING
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mproper 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.
EL296UHE series units are high efficiency condensing
gas furnaces used for upflow or horizontal applications
only, manufactured with Lennox Duralok heat exchangers
formed of aluminized steel. EL296UHE units are available
in heating capacities of 44,000 to 132,000 Btuh and cool
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ing applications up to 5 tons. Refer to Product Specifica
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tions Manual for proper sizing.
Units are factory equipped for use with natural gas. Kits
are available for conversion to LPG operation. EL296UHE
model units are equipped with the SureLight® two-stage
integrated control. EL296UHE unit meets the California
Nitrogen Oxides (NOx) Standards and California Season
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al Efficiency requirements. All units use a redundant gas
valve to assure safety shut-off as required by C.S.A.
All specifications in this manual are subject to change.
Procedures outlined in this manual are presented as a
recommendation only and do not supersede or replace lo
-
cal or state codes. In the absence of local or state codes,
the guidelines and procedures outlined in this manual (ex
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cept where noted) are recommendations only and do not
constitute code.
TABLE OF CONTENTS
Specifications .......................................................
Page 2
I Unit Components ................................................
Page 7
II Installation .......................................................
Page 22
III Start Up .......................................................... Page 44
IV Heating System Service Checks .................... Page 45
V Typical Operating Characteristics ................... Page 49
VI Maintenance................................................... Page 50
VII Wiring and Sequence of Operation ............... Page 53
VIII Field Wiring and Jumper Settings ............... Page 56
X Troubleshooting............................................... Page 60
EL296UHE
Corp 1246-L10
Revised 06/2021
EL296UHE SERIES UNITS
