Armstrong A95UH Installation Instructions Manual

A95UH, A93UH, 95G1UH & 92G1UH
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.
Unit Dimensions ............................................................ 2
A95/A93/95G1/92G1UH Parts Arrangement ................ 3
A95/A93/95G1/92G1UH Gas Furnace ......................... 4
Shipping and Packing List ............................................ 4
Safety Information ......................................................... 4
Use of Furnace as a Construction Heater .................... 5
General ......................................................................... 6
Combustion, Dilution, Ventilation Air ............................. 6
Setting Equipment ........................................................ 9
Filters .......................................................................... 13
Duct System ................................................................ 13
Pipe and Fittings Specifications .................................. 13
Joint Cementing Procedure ........................................ 15
Venting Practices ........................................................ 16
*506501-01*
506501-01
INSTALLATION INSTRUCTIONS
Warm Air Gas Furnace
This manual must be left with the homeowner for future reference.
CAUTION

TABLE OF CONTENTS

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.
Vent Piping Guidelines ................................................ 17
Gas Piping .................................................................. 31
Electrical ..................................................................... 34
Unit Start Up ................................................................ 37
Gas Pressure Measurement ....................................... 39
High Altitude Information ............................................. 39
Other Unit Adjustments ............................................... 41
Service ........................................................................ 42
Planned Service .......................................................... 44
Failure Codes .............................................................. 44
Repair Parts List ......................................................... 45
Start Up Checklist ....................................................... 46
A Lennox International, Inc. Company
Issue 1031
WARNING
Manufactured By
Allied Air Enterprises, Inc.
215 Metropolitan Drive
West Columbia, SC 29170
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