506471-01
Page 1 of 41
Issue 1034
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
Manufactured By
Allied Air Enterprises, Inc.
A Lennox International, Inc. Company
215 Metropolitan Drive
West Columbia, SC 29170
This manual must be left with the homeowner for future reference.
INSTALLATION INSTRUCTIONS
A80UH2V & 80G1UH2V
Warm Air Gas Furnace
Upflow / Horizontal Left and Right Air Discharge
TABLE OF CONTENTS
Unit Dimensions ............................................................ 2
A80UH2V & 80G1UH2V Parts Arrangement ................ 3
A80UH2V & 80G1UH2V 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 .......................................................................... 12
Duct System ................................................................ 12
Venting ........................................................................ 13
Gas Piping .................................................................. 23
Electrical ..................................................................... 25
Thermostat .................................................................. 27
Unit Start-Up ............................................................... 30
Heating Sequence of Operation ................................. 31
Gas Pressure Adjustment ........................................... 33
High Altitude ................................................................ 34
Other Unit Adjustments ............................................... 34
Maintenance ............................................................... 33
Repair Parts List ......................................................... 37
Wiring Diagram ........................................................... 38
*506471-01*
As with any mechanical equipment, personal injury can
result from contact with sharp sheet metal edges. Be
careful when you handle this equipment.
CAUTION
Summary of Contents for 80G1UH2V
Page 29: ...506471 01 Page 29 of 41 Issue 1034 ADJUSTING AIRFLOW Table 11 ...
Page 39: ...506471 01 Page 39 of 41 Issue 1034 Typical Field Wiring Diagram Figure 41 ...
Page 40: ...506471 01 Page 40 of 41 Issue 1034 START UP PERFORMANCE CHECK LIST UNIT SET UP ...
Page 41: ...506471 01 Page 41 of 41 Issue 1034 UNIT OPERATION ...