507270-03 Page 1 of 60Issue 1917
INSTALLATION INSTRUCTIONS
A95UH1D, A93UH1D, 95G1UH-P & 92G1UH-P
Warm Air Gas Furnace
Upow/Horizontal Left and Right Air Discharge
Save these instructions for future reference
(P) 507270-03
*P507270-03*
Manufactured By
Allied Air Enterprises LLC
A Lennox International, Inc. Company
215 Metropolitan Drive
West Columbia, SC 29170
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.
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.
WARNING
As with any mechanical equipment, personal injury can
result from contact with sharp sheet metal edges. Be
careful when you handle this equipment.
CAUTION
Table of Contents
Unit Dimensions ..........................................................2
Parts Arrangement.......................................................3
Gas Furnace ................................................................4
Shipping and Packing List ...........................................4
Safety Information .......................................................4
General ........................................................................6
Combustion, Dilution & Ventilation Air .........................7
Installation .................................................................10
Filters .........................................................................13
Duct System ..............................................................13
Venting Practices .......................................................16
Condensate Piping ....................................................36
Gas Piping .................................................................39
Electrical ....................................................................42
Unit Start-Up ..............................................................45
Testing for Proper Venting and Sufcient Combustion
Air for Non-Direct Vent Applications ..........................49
Other Unit Adjustments..............................................50
Blower Performance A93UH1D / 92G1UH ...............51
Blower Performance A95UH1D / 95G1UHD ............54
Service.......................................................................57
Planned Service ........................................................59
Repair Parts List ........................................................59
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