Lennox MPB33CNM Installation Instructions Manual
Lennox MPB33CNM Installation Instructions Manual

Lennox MPB33CNM Installation Instructions Manual

Merit plus series mpb b-vent gas fireplaces
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P/N 506015-05 Rev. D 04/2013
This manual is one of a set of two supporting this product.
Refer to P/N 506017-04 for Care and Operation Instructions.
Ce manuel est disponible en francais, simplement
en faire la demande. Numéro de la pièce 506223-45.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
INSTALLATEUR : Laissez cette notice avec l'appareil.
CONSOMMATEUR : Conservez cette notice pour
consultation ultérieure.
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.
INSTALLATION INSTRUC TIONS
MPB B-Vent
Gas Fireplaces
MODELS
MILLIVOLT:
MPB33CNM
MPB33CPM
MPB35CNM
Decorative Product: Not for use as a heating appliance.
NOTICE: Fireplace is not to be operated by a thermostat.
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:
MPB35CPM
MPB33CNE
MPB40CNM
MPB35CNE
MPB45CNM
OTL Report No. 116-F-36d-5
EL VIDRIO CALIENTE
CAUSARÁ QUEMADURAS.
USTED DEBE NUNCA
TOCAR EL VIDRIO CALIENTE.
LOS NIÑOS DEBEN NUNCA
TOCAR EL VIDRIO.
MPB40CNE
MPB45CNE

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Summary of Contents for Lennox MPB33CNM

  • Page 1 INSTALLATION INSTRUC TIONS MPB B-Vent Gas Fireplaces MODELS MILLIVOLT: ELECTRONIC: P/N 506015-05 Rev. D 04/2013 MPB35CPM MPB40CNE MPB33CNM MPB33CNE MPB40CNM MPB45CNE MPB33CPM MPB35CNE This manual is one of a set of two supporting this product. MPB35CNM MPB45CNM Refer to P/N 506017-04 for Care and Operation Instructions.
  • Page 2: Table Of Contents

    LENNOX HEARTH PRODUCTS • MERIT PLUS B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS ® PACKAGING GENERAL INFORMATION TABLE OF CONTENTS Packaging ............ 2 The assembled vented gas fireplace is pack- WARNING aged with: Introduction ..........2 • (1 set) Logs (packaged in a carton inside General Information ........
  • Page 3 LENNOX HEARTH PRODUCTS • MERIT PLUS B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS ® These appliances comply with National WARNING WARNING Safety Standards and are tested and listed by OMNI-Test Laboratories, Inc. (Report No. Failure to position the parts in Improper installation, adjust- 116-F-36d-5) to ANSI Z21.50b-2009 (in Canada,...
  • Page 4: Requirements For The Commonwealth Of Massachusetts

    LENNOX HEARTH PRODUCTS • MERIT PLUS B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS ® Install the appliance according to the regulations GAS PRESSURE - ALL MODELS Burner Orifice Sizes of the local authorities having jurisdiction and, Elevation 0-4500 feet ( 0-1372 meters)
  • Page 5: Manufactured Housing

    LENNOX HEARTH PRODUCTS • MERIT PLUS B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS ® If the fireplace is being installed on a cement slab in cold climates, a sheet of plywood or other raised platform can be placed underneath to prevent conduction of cold transferring to the fireplace and into the room.
  • Page 6: Appliance And Vent Clearances

    LENNOX HEARTH PRODUCTS • MERIT PLUS B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS ® APPLIANCE AND VENT CLEARANCES MINIMUM CLEARANCES TO COMBUSTIBLES Mantel Leg, Top View of The appliance is approved with zero Trim, or Wall Fireplace clearance to combustible materials on all sides.
  • Page 7: Pre-Installation Steps

    LENNOX HEARTH PRODUCTS • MERIT PLUS B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS ® PRE-INSTALLATION STEPS FLOOR NAILING TABS Step 10. REMOVING AND INSTALLING THE Fireplace may be anchored to floor. Bend down The appliance is shipped with all gas controls GLASS DOOR (Page 19).
  • Page 8: Framing Specifications

    LENNOX HEARTH PRODUCTS • MERIT PLUS B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS ® Back Wall of Chase/Enclosure Including Finishing Materials if any *Optional FOAK Outside Air Kit Header Rough Framing Face (Unfinished Shown) Outside Chase Back Wall of Chase/Enclosure...
  • Page 9: Fireplace Specifications

    LENNOX HEARTH PRODUCTS • MERIT PLUS B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS ® FRAMING STANDOFFS Flue Outlet For B-V ent Connection (Top, Sides, and Rear) NOTE - Hood shown ELECTRICAL INLET T op View as positioned 2-3/4 x 2 (70 x 51) COVER...
  • Page 10: Step 3. Installing Vent System

    LENNOX HEARTH PRODUCTS • MERIT PLUS B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS ® Required Pipe Diameter: IMPORTANT: If propane is used, be aware that Type B-Vent - 4" (102 mm) for MPB33 Models, if tank size is too small (i.e. under 100-lbs, if 5"...
  • Page 11: Step 4. Field Wiring

    LENNOX HEARTH PRODUCTS • MERIT PLUS B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS ® STEP 4. FIELD WIRING CAUTION: ENSURE THAT WIRES ARE POSI- A. Millivolt Wiring (see Figure 18) TIONED AWAY FROM HOT SURFACES AND Millivolt units are not provided with any factory- SHARP EDGES.
  • Page 12: Step 5. Wiring Optional

    LENNOX HEARTH PRODUCTS • MERIT PLUS B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS ® BLOWER CONTROL CIRCUIT WIRING 6. If wall-mounted ON/OFF control is to be To access the valve, open the control 120V, 60HZ, 1PH used, mount it in a convenient location on compartment access panel.
  • Page 13: Step 7. Installing Optional Outside Air Kit

    LENNOX HEARTH PRODUCTS • MERIT PLUS B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS ® To open the outside air shutter, open the bottom Optional Gas Flex Line Connector control access panel, reach into the control compartment, and pull the outside air control 3/8"...
  • Page 14: Step 8. Verifying Appliance Operation

    LENNOX HEARTH PRODUCTS • MERIT PLUS B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS ® Proper log placement is critical to encourage The flame should project 1" (25 mm) beyond outstanding flame appearance and prevent the hood at all three ports (see Figure 24).
  • Page 15 LENNOX HEARTH PRODUCTS • MERIT PLUS B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS ® Step 1. Remove the appliance front door. Glowing Embers (see Removing the Glass Enclosure Panel on Page 19). Step 2. Install decorative volcanic stone Sprinkle the decorative volcanic stone in a pleasing pattern.
  • Page 16 LENNOX HEARTH PRODUCTS • MERIT PLUS B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS ® MPB33 LOG PLACEMENT * Item Description (stamped #) Log, Rear (39-12) Log, Left (39-1) Log, Right (39-2) Log, Top Center (39-13) Log, Top/Left (39-3) Log, Top/Right (39-4) Catalog Number for the entire log set: 24M15 Position the individual logs as shown below.
  • Page 17 LENNOX HEARTH PRODUCTS • MERIT PLUS B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS ® MPB35 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) Log, Top/Right (39-4) Catalog Number for the entire log set: H6197 Position the individual logs as shown below.
  • Page 18 LENNOX HEARTH PRODUCTS • MERIT PLUS B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS ® MPB40 AND MPB45 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) Log, Top/Right (39-11) Catalog Number for the entire log set: 24M25 Position the individual logs as shown below.
  • Page 19: Step 10. Removing And Installing The Glass Door

    LENNOX HEARTH PRODUCTS • MERIT PLUS B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS ® STEP 10. REMOVING AND INSTALLING STEP 11. BURNER ADJUSTMENTS Removing the Glass Enclosure Panel (see Figure 31) THE GLASS DOOR Flame Appearance and Sooting Remove the top louver assembly. Open the lower...
  • Page 20 LENNOX HEARTH PRODUCTS • MERIT PLUS B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS ® Burner Air Shutter Adjustment WARNING • Air shutter adjustment should only be performed by a qualified professional service technician. • Ensure the front glass panel is in place and sealed during adjustment.
  • Page 21: Step 12. Testing Vent Operation

    LENNOX HEARTH PRODUCTS • MERIT PLUS B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS ® STEP 12. TESTING VENT OPERATION 13. Remove the glass enclosure panel by 20. Reinstall the glass enclosure panel. tilting it outward at the bottom and lifting it 21.
  • Page 22: Step 15. Attaching Safety-In-Operation Warnings

    En 3. If you are unable to locate the labels, please call Lennox Hearth Products o al distribuidor de Lennox cas de doute, collez l’étiquette en anglais. Lennox Hearth Products or your nearest Lennox Hearth Products más cercano para recibir etiquetas...
  • Page 23: Gas Conversion Kits

    LENNOX HEARTH PRODUCTS • MERIT PLUS B-VENT GAS FIREPLACES (MPB33/35/40/45) • INSTALLATION INSTRUCTIONS ® GAS CONVERSION KITS Electronic SIT Systems Natural Gas To Propane Gas WARNING Conversion Kits Models Cat. No. This conversion kit shall be installed by a qualified service agency in...
  • Page 24: Millivolt Valve

    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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