Lennox Hearth Products MPDT-3328CNM-B Care And Operation Instructions Manual
Lennox Hearth Products MPDT-3328CNM-B Care And Operation Instructions Manual

Lennox Hearth Products MPDT-3328CNM-B Care And Operation Instructions Manual

Merit plus series mpd direct-vent gas fireplaces
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P/N 875014M Rev. P 08/2011
This manual is one of a set of two supporting this product.
Refer to P/N 850014M for Installation Instructions.
Ce manuel est disponible en francais, simplement
en faire la demande. Numéro de la pièce 875014CF.
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Safety and Your Fireplace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
FREE Safety Guard Offer (Protects Against Burns) . . . . . . . . . . . . . . . . . 2
Important Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Attaching the Safety-in-Operation Warnings . . . . . . . . . . . . . . . . . . . . . 5
L'information de sûreté importante . . . . . . . . . . . . . . . 3–4
[EN FRANÇAIS]
Apposition des mises en garde relatives à la sécurité d'utilisation . . . . 5
Información importante de seguridad . . . . . . . . . . . . . . 3–4
[EN ESPAÑOL]
Colocación de advertencias de seguridad en operación . . . . . . . . . . . . 5
Wait...
INSTALLER: Leave this manual with the appliance.
DON'T
THROW
CONSUMER: Retain this manual for future reference.
IT AWAY!
INSTALLATEUR : Laissez cette notice avec l'appareil.
This manual contains
important operating
and safety
CONSOMMATEUR : Conservez cette notice pour consultation ultérieure.
information.
WARNING / AVERTISSEMENT / AVISO
• HOT GLASS WILL CAUSE
BURNS.
• DO NOT TOUCH GLASS
UNTIL COOLED.
• NEVER ALLOW CHILDREN
TO TOUCH GLASS.
WARNING: If the information in these instructions
is not followed exactly, a fire or explosion may
result, causing property damage, personal injury,
or death.
- 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.
- Installation and service must be performed by a
qualified installer, service agency or the gas supplier.
CARE AND OPERATION INSTRUC TIONS
MPD Direct-Vent
Gas Fireplaces
MODELS
MILLIVOLT:
MPDT-3328CNM-B
MPDT-3328CPM-B
MPDR-3328CNM-B
MPDR-3328CPM-B
MPD-3530CNM-B
MPD-3530CPM-B
OTL Report No. 116-F-13-4
• UNE SURFACE VITRÉE CHAUDE
PEUT CAUSER DES BRÛLURES.
• LAISSER REFROIDIR LA SURFACE
VITRÉE AVANT D'Y TOUCHER.
• NE PERMETTEZ JAMAIS À UN ENFANT
DE TOUCHER LA SURFACE VITRÉE.
AVERTISSEMENT : Assurez-vous de bien suivre les
instructions données dans cette notice pour réduire au
minimum le risque d'incindie ou d'explosion ou pour
éviter tout dommage matériel, toute blessure ou la mort.
- Ne pas entreposer ni utilizer d'essence ni d'autres vapeurs
ou liquides inflammables dans le voisinage de cet appareil
ou de tout autre appareil.
- QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ :
• Ne pas tenter d'allumer d'appareil.
• Ne touchez à aucan interrupteur. Ne pas vous servir des
téléphones se trouvant dans le bâtiment où vous trouvez.
• Appelez immédiatement votre fournisseur de gaz depuis
un voisin. Suivez les instructions du fournisseur.
• Si vous ne pouvez rejoindre le fournisseur de gaz,
appelez le service des incindies.
- L'installation et l'entretien doivent être assurés par un
installateur ou un service d'entretien qualifié ou par le
fournisseur de gaz.
ELECTRONIC:
MPD-4035CNM-B
MPDT-3328CNE-B
MPD-4035CPM-B
MPDT-3328CPE-B
MPD-4540CNM-B
MPDR-3328CNE-B
MPD-4540CPM-B
MPDR-3328CPE-B
MPD-3530CNE-B
MPD-3530CPE-B
Portland
US
• EL VIDRIO CALIENTE
CAUSARÁ QUEMADURAS.
• USTED DEBE NUNCA
TOCAR EL VIDRIO CALIENTE.
• LOS NIÑOS DEBEN NUNCA
TOCAR EL VIDRIO.
MPD-4035CNE-B
MPD-4035CPE-B
MPD-4540CNE-B
MPD-4540CPE-B

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Do you have a question about the MPDT-3328CNM-B and is the answer not in the manual?

Questions and answers

Michael Sanchez
January 20, 2025

My blower **** no longer comes on. How do I troubleshoot?

1 comments:
Mr. Anderson
February 4, 2025

To troubleshoot the blower for the Lennox Hearth Products MPDT-3328CNM-B:

1. Inspect Wiring: Ensure all wiring is intact and connected properly. If any original wire needs replacement, use Type AWM 105°C – 18 GA wire.

2. Check Power Supply: Verify that the power supply is 120V, 60Hz, and less than 3 amps.

3. Examine the Blower Wiring: Refer to the electronic wiring diagram provided in the manual, specifically for the optional FBK-250 blower kit. Ensure factory-wired and field-wired connections are correct.

4. Replace Damaged Parts: If components are damaged, order replacement parts by providing the appliance model number when contacting Lennox Hearth Products.

If issues persist, contact a qualified service technician for further assistance.

This answer is automatically generated

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Summary of Contents for Lennox Hearth Products MPDT-3328CNM-B

  • Page 1 P/N 875014M Rev. P 08/2011 MODELS This manual is one of a set of two supporting this product. MILLIVOLT: ELECTRONIC: Refer to P/N 850014M for Installation Instructions. MPDT-3328CNM-B MPD-4035CNM-B MPDT-3328CNE-B MPD-4035CNE-B Ce manuel est disponible en francais, simplement MPDT-3328CPM-B MPD-4035CPM-B...
  • Page 2: Table Of Contents

    LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® Thank you for your purchase. We appreciate your business! Safety and Please carefully read and follow all instructions in this manual. Pay special attention to all warnings and safety information.
  • Page 3 LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® [FRENCH] [SPANISH] La sécurité et Seguridad y votre foyer su chimenea Toutes les parties de votre foyer ¡Todas las partes de la chimenea...
  • Page 4: Important Safety Information

    LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® Important Safety Information L’information de sûreté importante 1. WARNING: Do not operate appliance with the glass front 1. AVERTISSEMENT. Ne pas utiliser l’appareil si le panneau frontal en verre n’est pas en place, est craqué...
  • Page 5: Attaching The Safety-In-Operation Warnings

    3. If you are unable to locate the labels, please call (Figure C). Choisissez la langue qui est principale- Lennox Hearth Products o al distribuidor de Lennox Lennox Hearth Products or your nearest Lennox ment parlée dans la résidence du propriétaire.
  • Page 6: Appliance Installation, Service, And Maintenance Notices

    LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® APPLIANCE INSTALLATION, SERVICE, APPLIANCE OPERATION NOTICES WARRANTY INFORMATION AND MAINTENANCE NOTICES Do not operate appliance with the glass Your gas appliance is covered by a limited twenty-year warranty.
  • Page 7: Btu Input

    LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® GENERAL INFORMATION Gas Pressure - All Models Deration - At higher elevations, the amount (continued) of BTU fuel value delivered must be reduced...
  • Page 8: Operation/Care Of Your Appliance

    LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® OPERATION AND CARE OF YOUR APPLIANCE WARNING Young children should be carefully supervised when they are in the same room as the appliance. Toddlers, young children and others SIT Gas Valve may be susceptible to accidental contact burns.
  • Page 9: Variable Flame Adjustment

    LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® Variable Flame Height Adjustment Variable Flame Height Adjustment Inlet Pressure Port (Millivolt appliances only) Manifold Pressure Port 1. All Millivolt appliances are equipped with a variable gas control valve.
  • Page 10: Maintenance

    Paint is available at your local authorized dling the fiber logs, as they become quite fragile periodic inspections and cleanings should be Lennox Hearth Products dealer. Never attempt after curing). Vacuum out any foreign matter performed by the homeowner.
  • Page 11: Front Glass Enclosure Panel, Removal And Installation

    LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® Front Glass Enclosure Panel, Removal Locate the two (2) latches at the top of the WARNING control compartment and disengage them from and Installation...
  • Page 12: Install Volcanic Stone, Embers And Logs

    LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® INSTALL VERMICULITE, VOLCANIC Glowing Embers STONE, GLOWING EMBERS, AND LOGS NOTE: Turn off all electricity to the appliance before you install vermiculite, volcanic stone, embers and logs.
  • Page 13 LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® MPD-3328 LOG PLACEMENT Number Description (Stamped #) Log, Rear (39-12) Log, Left (39-1) Log, Right (39-2) Log, Top Center (39-13) Log, Top/Left (39-3 )
  • Page 14 LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® MPD-3530 LOG PLACEMENT Number Description (Stamped #) Log, Rear (39-5) Log, Left (39-1) Log, Right (39-2) Log, Top Center (39-6) Log, Top/Left (39-3)
  • Page 15 LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® MPD-4035 AND MPD-4540 LOG PLACEMENT Number Description (Stamped #) Log, Center (39-8) Log, Rear (138) Log, Right (39-10) Log, Left (39-9) Log, Top/Left (39-11)
  • Page 16: Burner Flame Appearance/Sooting

    LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® BURNER ADJUSTMENTS (QUALIFIED TECHNICIANS ONLY) Flame Appearance and Sooting Proper flame appearance is a flame which is blue at the base and becomes yellowish-orange in the body of the flame.
  • Page 17: Burner Flame Adjustments

    LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® BURNER FLAME ADJUSTMENTS Millivolt Appliance Checkout WARNING To light the burner, rotate the gas valve control 1. Refer to Figures 10, 11, and 12 for proper knob counterclockwise to the ON position •...
  • Page 18: Wiring Diagrams

    If you encounter any problems or have any Products dealer or distributor. questions concerning the installation or ap- Please call Lennox Hearth Products for the Normally, all parts should be ordered through plication of this system, please contact your phone number of your nearest Lennox Hearth your Lennox Hearth Products distributor or dealer.
  • Page 19: Fireplace Shipping Weights/Volumes

    LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® Fireplace Shipping Weights/Volumes Cat. Ship. Ship. Model Weight Volume H7785 MPDR-3328CNM-B 98 lb. 13.1 cu. ft. H7786 MPDR-3328CPM-B 98 lb. 13.1 cu. ft.
  • Page 20 LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® ACCESSORY COMPONENTS (continued) s t i s t i s t i Clean faced panel kits are available to convert the standard louvered fireplaces to radiant models...
  • Page 21 LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® ACCESSORY COMPONENTS (continued) Termination Shroud (Fits H1968) s t i Deluxe Termination Guard (Fits 94L10) Square Termination Guard (Fits 94L10) These louvers are designed to replace either...
  • Page 22 LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® ACCESSORY COMPONENTS (continued) s t i Brickaded Panel Liner Kits Models Catalog No. Model No. s t i MPD3328T H0912 MBLK33T MPD3328R H0918...
  • Page 23 LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® ACCESSORY COMPONENTS (continued) Style View Doors - Style View Doors come in 4 beautiful styles. They are easy to install and will not require hardware to attach them to the standard glass door frame.
  • Page 24 LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® ACCESSORY COMPONENTS (continued) Style View Doors Continued - Style View Doors also come in a Tall Arch Pane Design. Two distinctive grille kits, the “Crescents” and “Sunrise” design, are also offered seperately.
  • Page 25: Maintenance Schedule

    LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® MAINTENANCE SCHEDULE Annually (Before the onset of the Burning Season) Maintenance Task Accomplishing Person Procedure Inspect valve and ensure it is properly operat-...
  • Page 26: Lighting Instructions - Millivolt

    LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® LIGHTING INSTRUCTIONS – MILLIVOLT GAS VALVE FOR YOUR SAFETY, READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion may result, causing property damage, personal injury, or loss of life.
  • Page 27 LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® INSTRUCTIONS D’ALLUMAGE – VANNE GAZ MILLIVOLT POUR PLUS DE SÉCURITÉ, LIRE AVANT D’ALLUMER AVERTISSEMENT. Quiconque ne respecte pas à la lettre les instructions dans la présente notice risque de déclencher un incendie ou une explosion entraînant des dommages, des blessures ou la mort.
  • Page 28: Lighting Instructions - Electronic

    LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® LIGHTING INSTRUCTIONS — ELECTRONIC FOR YOUR SAFETY, READ BEFORE OPERATING WARNING: If you do not follow these instructions exactly, a fire or explosion may result, causing property damage, personal injury, or loss of life.
  • Page 29 LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® INSTRUCTIONS D’ALLUMAGE — ELECTRONIC POUR PLUS DE SÉCURITÉ, LIRE AVANT DE METTRE EN MARCHE AVERTISSEMENT. Quiconque ne respecte pas à la lettre les instructions dans la présente notice risque de déclencher un incendie ou une explosion entraînant des dommages, des blessures ou la mort.
  • Page 30: Troubleshooting Guide: Millivolt Gas Control System

    LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® TROUBLESHOOTING GUIDE: MILLIVOLT GAS CONTROL SYSTEM Note: Before troubleshooting the gas control system, make sure the external gas shut off valve (located at gas supply inlet) is in the “ON”...
  • Page 31: Troubleshooting Guide - Electronic Gas Control System

    LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® TROUBLESHOOTING GUIDE: ELECTRONIC IGNITION SYSTEM Note: Before troubleshooting, be sure that the appliance main line gas shut-off valve, the gas control valve and the wall switch are in the “ON”...
  • Page 32: Replacement Parts List

    H3696 Gas Line Flexible Connector 93L32 93L32 93L32 93L32 Contact an Authorized Lennox Hearth Products dealer to obtain any of Gas Controls - SIT Millivolt these parts. Never use substitute materials. Use of non-approved parts Item Description Natural Gas Propane Gas can result in poor performance and safety hazards.
  • Page 33 LENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® REPLACEMENT PARTS 40/45 40/45 33/35 33/35 40/45 33/35 (REF) NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
  • Page 34 PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS ® Lennox Hearth Products reserves the right to make changes at any time, without notice, in design, materials, specifications, prices and also to discontinue colors, styles and products. Consult your local distributor for fireplace code information.

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