Nordyne M7RL User Manual

Nordyne M7RL User Manual

Condensing gas furnace

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M7RL DOWNFLOW - SINGLE STAGE CONDENSING GAS FURNACE (95+% AFUE)
M7TL DOWNFLOW - TWO STAGE CONDENSING GAS FURNACE (95+% AFUE)
USER'S MANUAL
For Furnaces Installed in: Manufactured Homes, Modular Homes/Buildings, Recreational Vehicles, Park Models, & Manufactured Buildings
IMPORTANT! Please read all information in this manual
thoroughly and become familiar with the capabilities and
use of your appliance before attempting to operate or
maintain this unit. Pay attention to all safety warnings
and any other special notes highlighted in the manual.
Keep this literature where you have easy access
to it in the future. If a problem occurs, check the
instructions and follow recommendations given. If
these suggestions don't eliminate your problem, call
your servicing contractor. Under no circumstances
should the appliance owner attempt to install and/or
service this equipment.
Some local codes require licensed installation / service
personnel for this type of equipment. Improper service,
adjustment, or maintenance may cause explosion, fire,
electrical shock or other hazardous conditions which
may result in personal injury or property damage.
WARNING
FIRE OR EXPLOSION HAZARD
• 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.
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.
NE PAS DÉTRUIRE. VEUILLEZ LIRE ATTENTIVEMENT ET CONSERVER EN UN LIEU SÛR POUR RÉFÉRENCE ULTÉRIEURE.
Front Return
Front Return
without
with Coil Box
Coil Box
AVERTISSEMENT
RISQUE D'INCENDIE OU D'EXPLOSION
• Le non-respect des avertissements de sécurité pourrait
entraîner des blessures graves ou des dommages matériels.
• L'installation et l'entretien doivent être effectués par
un installateur qualifié, un organisme de service ou le
fournisseur de gaz.
• Ne pas entreposer ni utiliser de l'essence ni d'autres vapeurs
ou liquides inflammables dans le voisinage de cet appareil,
ni de tout autre appareil.
QUE FAIRE S'IL Y A UNE ODEUR DE GAZ
• Ne tenter d'allumer aucun appareil.
• Ne toucher à aucun interrupteur électrique; n'utiliser aucun
téléphone dans le bâtiment.
• Évacuer l'immeuble immédiatement.
• Appeler immédiatement le fournisseur de gaz en employant
le téléphone d'un voisin. Respecter les instructions du
fournisseur de gaz.
• Si personne ne répond, appeler le service des incendies.
Top Return
Top Return
with Coil Box
without
Coil Box

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Summary of Contents for Nordyne M7RL

  • Page 1 M7RL DOWNFLOW - SINGLE STAGE CONDENSING GAS FURNACE (95+% AFUE) M7TL DOWNFLOW - TWO STAGE CONDENSING GAS FURNACE (95+% AFUE) USER’S MANUAL For Furnaces Installed in: Manufactured Homes, Modular Homes/Buildings, Recreational Vehicles, Park Models, & Manufactured Buildings IMPORTANT! Please read all information in this manual...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS IMPORTANT SAFETY INFORMATION ......3 GAS SUPPLY & PIPING ..........3 VENTING SYSTEM ............4 CLEARANCES TO COMBUSTIBLES ......4 SHUTTING DOWN THE FURNACE ......4 GENERAL INFORMATION ..........5 ABOUT THE FURNACE ..........5 AIR FILTERS ..............5 THERMOSTAT ..............
  • Page 3: Important Safety Information

    IMPORTANT SAFETY INFORMATION Safety markings are used frequently throughout this manual to IMPORTANT NOTE designate a degree or level of seriousness and should not be If the unit needs to be shut down for an extended period of ignored. WARNING indicates a potentially hazardous situation that time, turn off both the gas and electrical power.
  • Page 4: Venting System

    IMPORTANT NOTE • Air openings on the top or front of the furnace and openings in closet doors or walls must never be restricted. If the furnace is Should the gas supply fail to shut off or if overheating occurs, shut off the gas valve to the furnace before shutting off the operated without adequate air for combustion, the flame roll-out electrical supply!
  • Page 5: General Information

    Some specific examples of service calls which are not THERMOSTAT included in the limited warranty are: • Single stage gas furnaces (M7RL series) are designed to be • Correcting wiring problems in the electrical circuit supplying the controlled by a conventional single stage thermostat. Two-stage equipment.
  • Page 6: Maintenance Information

    MAINTENANCE INFORMATION Proper maintenance is important to achieve optimum performance from the furnace. This equipment should be inspected annually by a Table 1, (page 7) licensed HVAC technician. contains suggested inspections and frequency of maintenance. Routine maintenance should include the following: BLOWER &...
  • Page 7: Startup & Shutdown

    FREQUENCY OF MAINTENANCE MAINTENANCE ITEM BEGINNING OF EACH END OF EACH MONTHLY HEATING SEASON HEATING SEASON Verify furnace area is free of combustible materials Verify combustion and ventilation air is not restricted Verify no signs of physical deterioration of the furnace Verify no obstructions or restrictions in vent or chimney Verify no holes or cracks in vent pipe Verify no corrosion in vent pipe...
  • Page 8: Furnace Components

    Gas Manifold & Burner Assembly Burner Assembly M7TL Series M7RL Series Figure 3. M7RL & M7TL Furnace Components Specifications & illustrations subject to change without notice or incurring obligations (04/18). O’Fallon, MO, © Nortek Global HVAC LLC 2018. 709415B All Rights Reserved.

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M7tl

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