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GAS FIRED HIGH EFFICIENCY FURNACE
DOWNFLOW & DIRECT VENT (SEALED COMBUSTION)
MODELS:
CMA3-50D36N, CMA3-75D36N,
CMC1-50D36N, CMC1-75D36N,
CMC1-50DV3N, CMC1-75DV3N
INSTALLATION AND SERVICE MANUAL
For installation in:
1. Manufactured Homes
2. Modular Homes/Buildings
3. Site Constructed—Residential (Single Story Dwellings)
FOR YOUR SAFETY
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.
• Immediately call your gas supplier from a neighbor’s phone.
Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
: If the information in these instructions is not followed exactly, a fire or explosion may
result causing property damage, personal injury, or loss of life.
: Improper installation, adjustment, alteration, service, or maintenance can cause injury or
property damage. Refer to this manual. For assistance or additional information, consult a qualified
installer, service agency, or fuel supplier.
: Do not use this appliance if any part has been underwater. Immediately call a qualified
service technician to inspect the appliance and to replace any part of the electrical or control system
that has been underwater.
PLEASE READ THESE INSTRUCTIONS PRIOR TO INSTALLATION, INITIAL FIRING, AND BEFORE PERFORMING
ANY SERVICE OR MAINTENANCE. THESE INSTRUCTIONS MUST BE LEFT WITH THE USER AND SHOULD BE
RETAINED FOR FUTURE REFERENCE BY QUALIFIED SERVICE PERSONNEL.
THERMO PRODUCTS, LLC.
POST OFFICE BOX 217
NORTH JUDSON, IN 46366
PHONE: (574) 896-2133
MG-517
ECN 5295-MA 140106
MADE IN USA