Intertherm M7RL Series User Manual

Intertherm M7RL Series User Manual

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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. Safety markings are used frequently
throughout this manual to designate a degree or level of
seriousness and should not be ignored. WARNING indicates a
potentially hazardous situation that if not avoided, could result
in personal injury or death.
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. Do not attempt to
service this unit yourself!
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 Intertherm M7RL Series

  • 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 thoroughly and become familiar with the capabilities and use of your appliance before attempting to operate or maintain this unit.
  • 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 ........................5 FURNACE IN A SMALL ROOM OR CLOSET ...............5 SOURCES OF CORROSION ....................5 WARRANTY INFORMATION ....................5 MAINTeNANCe INfORMATION.....................6...
  • Page 3: Important Safety Information

    IMPORTANT SAfeTY INfORMATION GAS SUPPLY & PIPING WARNING: WHAT TO DO If YOu SMeLL GAS To avoid possible equipment damage, fire, or • Do not try to light any appliance. personal injury, the following instructions must • Do not touch any electrical switch; do not be observed regarding unit maintenance and use any phone in your building.
  • Page 4: Venting System

    IMPORTANT SAfeTY INfORMATION CLeARANCeS TO COMBuSTIBLeS This furnace does not have a pilot. It is equipped with an ignition device which automatically lights the burner. DO NOT light the burner by hand. WARNING: IMPORTANT NOTE: Do not place combustible materials on or against Should the gas supply fail to shut off or if overheating occurs, shut off the gas valve to the furnace before the furnace cabinet or vent pipe.
  • Page 5: General Information

    A warranty certificate with full details is included with the equipment. Carefully review these responsibilities with • Single stage gas furnaces (M7RL series) are designed to your dealer or service company. The manufacturer will not be controlled by a conventional single stage thermostat.
  • 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 licensed HVAC technician. Table 1, (page 7) 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.
  • 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 (03/16). 709415A (Replaces 7094150) O’Fallon, MO, © Nortek Global HVAC LLC 2016. All Rights Reserved.

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