Upflow/Horizontal Left and Right Air Discharge
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.
As with any mechanical equipment, personal injury can
result from contact with sharp sheet metal edges. Be
careful when you handle this equipment.
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.
Unit Dimensions ..................................................................................... 2
Parts Arrangement ................................................................................. 3
Gas Furnace .......................................................................................... 4
Safety Information .................................................................................. 4
General .................................................................................................. 6
Setting Equipment .................................................................................. 6
Filters .................................................................................................... 11
Duct System .......................................................................................... 11
Venting Practices ................................................................................. 14
Gas Piping ............................................................................................. 29
* P 5 0 6 8 8 7 - 0 1 *
(P) 506887-01
506887-01
INSTALLATION INSTRUCTIONS
A97USMV
Warm Air Gas Furnace
This manual must be left with the homeowner for future reference.
CAUTION
WARNING
A thermostat is not included and must be ordered
separately.
• A Comfort Sync
communicating applications.
• In non-communicating applications, a traditional non-
communication thermostat may be used.
In all cases, setup is critical to ensure proper system
operation.
Field wiring for both communicating and non-
communicating applications is illustrated in these
instructions.
TABLE OF CONTENTS
Electrical ............................................................................................... 32
Integrated Control ................................................................................. 41
Unit Start Up ......................................................................................... 57
Proper Combustion ............................................................................... 59
Service .................................................................................................. 64
Planned Service .................................................................................... 66
Troubleshooting ..................................................................................... 71
Repair Parts List ................................................................................... 77
Issue 1213
NOTICE
TM
thermostat must be used in
Manufactured By
Allied Air Enterprises, Inc.
A Lennox International, Inc. Company
215 Metropolitan Drive
West Columbia, SC 29170
Page 1 of 78
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Questions and answers
Is there a recommended platform that pairs with this furnace?
The recommended platform for the Allied A97USMV furnace is one created using cement blocks. It should not be installed directly on carpeting, tile, wood flooring, or other combustible materials.
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