Oxbox J801X U Series User Manual

SINGLE STAGE & TWO-STAGE GAS FURNACES
USER’S MANUAL
NON-CONDENSING GAS FURNACES CONDENSING GAS FURNACES
80+ AFUE
(United States Only)
95% & Up to 96% AFUE
J801X*U Upflow / Horizontal Furnace J951X*U & J952V*U Upflow / Horizontal Furnace
J801X*D Downflow Furnace J951X*D & J962V*D Downflow Furnace
WARNING
FIRE OR EXPLOSION HAZARD
• Failure to follow safety warnings exactly could
result in serious injury, death or property
damage.
• Installation and service must be performed by
a qualified installer, service agency or the gas
supplier.
• Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
other appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use
any phone in your building.
• Leave the building immediately.
• Immediately call your gas supplier from a
neighbors phone. Follow the gas suppliers
instructions.
• If you cannot reach your gas supplier, call the
fire department.
DO NOT DESTROY. PLEASE READ CAREFULLY & KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.

Oxbox J801X U Series Specifications

General

Fuel Type	Natural Gas
Efficiency	Up to 80% AFUE
Stages	Single Stage
Blower Motor	Multi-Speed
Blower Motor Type	PSC
Ignition Type	Hot Surface Ignition
Heat Exchanger Material	Aluminized Steel
Warranty	10-Year Limited Warranty

Summary

Furnace Type Overview and Warnings

Critical Safety Warning

Potential risks of fire and explosion due to improper use or installation of the furnace.

What to Do If You Smell Gas

Immediate steps to take if a gas leak is detected to ensure safety.

Important Safety Information

Gas Supply & Piping Safety

Guidelines for safe installation and handling of gas supply and piping.

Filter Requirements and Safety

Importance of maintaining the air filter for furnace efficiency and safety.

Flood Damage Precautions

Venting System and Corrosion Safety

Venting System Safety

Ensuring proper venting to prevent carbon monoxide poisoning and maintain airflow.

Carbon Monoxide Poisoning Hazard

Risks and symptoms of CO poisoning and preventative measures.

Airflow and Combustion Safety

Clearances to Combustibles

Startup and Shutdown Procedures

Starting the Furnace

Shutting Down the Furnace

Maintenance and Troubleshooting

Troubleshooting Common Issues