INSTALLATION INSTRUCTIONS
A97UH2E & 97G2UHE
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.
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 installer (or
equivalent), service agency or the gas supplier.
As with any mechanical equipment, personal injury can
result from contact with sharp sheet metal edges. Be
careful when you handle this equipment.
Manufactured By
Allied Air Enterprises LLC
A Lennox International, Inc. Company
215 Metropolitan Drive
West Columbia, SC 29170
508390-01
This manual must be left with the homeowner for future reference.
WARNING
CAUTION
Upflow/Horizontal Left/Right Air Discharge
Table of Contents
Unit Dimensions ...........................................................2
Gas Furnace .................................................................4
General .........................................................................6
Installation ..................................................................10
Filters ..........................................................................14
Duct System ...............................................................14
Venting........................................................................16
Gas Piping ..................................................................38
Electrical .....................................................................41
Unit Start-Up ...............................................................53
Service........................................................................56
Planned Service .........................................................58
*P508390-01*
Issue 2327
Warm Air Gas Furnace
Direct Vent & Non-Direct Vent
(P) 508390-01
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