Downflow, Direct Vent (Sealed Combustion)
Forced Air Gas & Oil Furnaces
Installation Instructions
For installation in:
Series M1B, M1G, M1M & M5S • Manufactured Homes
• Recreational Vehicles, Park Models, &
Manufactured Buildings
• Modular Homes/Buildings
ATTENTION INSTALLERS:
It is your responsibility to know this product better than your customer. This includes being able to install the product according to strict safety guidelines and instructing the customer on how to operate and maintain the equipment for the life of the product. Safety should always be the deciding factor when installing this product and using common sense plays an important role as well. Pay attention to all safety warnings and any other special notes highlighted in the manual. Improper installation of the furnace or failure to follow safety warnings could result in serious injury, death, or property damage.
These instructions are primarily intended to assist qualifi ed individuals experienced in the proper installation of this appliance. Some local codes require licensed installation/service personnel for this type of equipment. Please read all instructions carefully before starting the installation. Return these instructions to the customer’s package for future reference.
!WARNING:
WHAT TO DO IF YOU SMELL GAS FIRE OR EXPLOSION HAZARD
•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
•Failure to follow safety warnings exactly could result in serious injury 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.
DO NOT DESTROY. PLEASE READ CAREFULLY AND KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.