Lennox Montebello DLX Installation Instructions Manual

Montebello dlx direct vent gas fireplaces

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P/N 506023-15 Rev. A 07/2012
This manual is one of a set of two supporting this product.
Refer to P/N 506025-07 for Care and Operation Instructions.
Ce manuel est disponible en francais, simplement
en faire la demande. Numéro de la pièce 506223-41.
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.
This appliance may be installed in an aftermarket permanently located, manufactured home (USA only) or mobile
home, where not prohibited by local codes. This appliance is only for use with the type of gas indicated on the rating
plate. This appliance is not convertible for use with other gases unless a certified kit is used.
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
Montebello
Direct Vent Gas Fireplaces
MODELS
Intertek Report No.
100513650
• 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.
DLX
®
ELECTRONIC
MDLX40IN
MDLX45IN
MDLX40IP
MDLX45IP
• EL VIDRIO CALIENTE
CAUSARÁ QUEMADURAS.
• USTED DEBE NUNCA
TOCAR EL VIDRIO CALIENTE.
• LOS NIÑOS DEBEN NUNCA
TOCAR EL VIDRIO.
®

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Summary of Contents for Lennox Montebello DLX

  • Page 1 INSTALLATION INSTRUC TIONS Montebello ® ® Direct Vent Gas Fireplaces MODELS ELECTRONIC P/N 506023-15 Rev. A 07/2012 MDLX40IN MDLX45IN This manual is one of a set of two supporting this product. Refer to P/N 506025-07 for Care and Operation Instructions. MDLX40IP MDLX45IP Ce manuel est disponible en francais, simplement...
  • Page 2: Table Of Contents

    Cold Climate Insulation ....5 Labels, and Warranty. Manufactured Home Requirements ..5 The Montebello DLX is a decorative fireplace • One (1) bag Glowing Embers and may not be installed and operated as the Location .
  • Page 3: General Information

    LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® GENERAL INFORMATION Note: Installation and repair should be done WARNING by a qualified service person. The appliance should be inspected before use and at least...
  • Page 4: Massachusetts Requirements

    LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® Orifice Sizes—Sea Level To High Altitude Gas Valve Diagram These electronic appliances are remotely (All Models) controlled and feature an electronic The SIT Proflame gas valve is shown in...
  • Page 5: Cold Climate Insulation

    LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® COLD CLIMATE INSULATION For cold climate installations, seal all cracks around your appliance with noncombustible material and wherever cold air could enter the room. It is especially important to...
  • Page 6: Vent Termination Clearances

    LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® VENT TERMINATION CLEARANCES These instructions should be used as a Vertical Vent Termination Clearances Termination Heights For Vents guideline and do not supersede local codes in any way.
  • Page 7 LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® NOTE: Local Codes Or Regulations May Require * See Item D in the Text Below. Different Clearances. Center Line Exterior Wall Inside of Termination Corner Detail NOTE: Location Of The Vent Termination Must Not 24 in.
  • Page 8: Minimum Clearances To Combustibles

    LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® MINIMUM CLEARANCES TO COMBUSTIBLES Combustible Shelf Height— Inches (millimeters) The appliance is approved with zero clearance to combustible materials on all sides (as detailed in Table 5), with the following exception: When Top Vent—with 2 Feet Vertical Vent and One 90 Degree Elbow...
  • Page 9: Detailed Installation Steps

    LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® Step 1. FRAMING TYPICAL INSTALLATION SEQUENCE WARNING Frame these appliances as illustrated in The typical sequence of installation is Failure to position the parts in Figure 11 on Page 10, unless the appliance outlined below.
  • Page 10: Fireplace And Framing Specifications

    LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® Framing should be constructed VENT FRAMING - of 2x4 or larger lumber. Framing Dimensions TOP VENT WITH 2 FEET Framing should be constructed VERTICAL VENT AND VENT FRAMING - of 2x4 or larger lumber.
  • Page 11: Step 2. Routing Gas Line

    LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® Model 50-5/8 83-5/8 59-1/8 41-7/8 MDLX40 1286 2124 1502 1064 56-3/4 89-7/8 63-1/2 44-7/8 MDLX45 1441 2283 1613 1140 Back wall of chase/enclosure (including any finishing materials)
  • Page 12: Step 3. Install The Vent System

    LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® Select Venting System—Horizontal or Vertical Step 3. INSTALL THE VENT SYSTEM Installation of Vent Restrictor A vent restrictor may be needed with this General Information With the appliance secured in framing, de- appliance.
  • Page 13: Vertical Termination Systems

    LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® VERTICAL TERMINATION SYSTEMS (ROOF) i t c i t c See Figure 15 and Figures 23 through 25 on i t c i t c...
  • Page 14 LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® B. Attach vent components to appliance— Push the vent component against the Vertical (Offset) Installation Secure Vent SV8 direct-vent system previous section until it fully engages, then ®...
  • Page 15 LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® One method of support is by utilizing field K. Install the vertical termination—The provided support straps (conventional final step involves installation of the Vertical plumber's tape). Secure the plumber's tape Termination.
  • Page 16: Vertical Vent Tables And Figures

    LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® VERTICAL VENT FIGURES/TABLES Table A Notes: • Secure Vent (rigid vent pipe) is shown in V Minimum ® H Maximum the Figures. feet (meter) feet (meter) •...
  • Page 17: Horizontal Termination System

    LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® HORIZONTAL (OUTSIDE WALL) Support Horizontal / Inclined Run SV8HTS Building TERMINATION SYSTEM Brackets Termination Support Shown Framing See Figures 26–31 and their associated Horizontal Vent tables that illustrate the...
  • Page 18 LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® J. Assemble vent run to exterior wall—If not SV8HTS previously measured, locate the center of the Firestop/Spacer (SV8HF) shown Termination on the exterior side of the wall. It vent at the exterior wall.
  • Page 19: Horizontal Vent Tables And Figures

    LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® HORIZONTAL VENT FIGURES/TABLES See Table 8 as an aid in venting component selection for a particular range of exterior wall thicknesses. Notes: Vent Components Required Exterior Wall Thickness—inches (mm) •...
  • Page 20 LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® HORIZONTAL VENT FIGURES/TABLES (continued) Wall Firestop/Spacer Table D (SV8HF) V Minimum Maximum feet (meter) feet (meter) (1.07) (0.762) (1.98) (1.07) (2.6) (1.37) 10.5 (3.2) (1.68) 12.5...
  • Page 21: Step 4. Field Wiring

    LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® Step 4. FIELD WIRING Verify proper operation after servicing. 6. Install the wall-mounted ON/OFF control, as described in "Installing and initializing the S’assurer que l’appareil fonctionne Remote Control System"...
  • Page 22 LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® The remote control system provides remote Installing and initializing the Remote WARNING operation of the following fireplace functions: Control System • Primary burner ON/OFF Fire hazard. Can cause severe REQUIRED ITEMS (not provided): •...
  • Page 23: Step 5. Removing Glass Door Frame Assembly

    LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® Step 5. REMOVE GLASS DOOR FRAME A. Light the appliance (refer to the lighting instructions label in the control Right Side Remove the glass door assembly. See...
  • Page 24: Step 8. Installing Logs And Panels

    LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® Step 8. LOG, VOLCANIC STONE, AND GLOWING Step 4. Position the individual logs as shown in Figures 42 through 46. Logs should be placed in the order shown. Place logs 2 EMBER PLACEMENT and 3 against the pins on the grate, NOT over them.
  • Page 25 LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® MDLX40 & MDLX45 Log Placement Align Groove At The Bottom Of Log (2) Over Figure 44 The Grate And Push It Towards The Rear. Log Number...
  • Page 26: Step 9. Installing Glass Door

    LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® Step 9. INSTALLATION AND REMOVAL Step 10. BURNER ADJUSTMENTS Installing Glass Enclosure Panel (see Figure 47) OF GLASS DOOR Flame Appearance and sooting Retrieve the glass door. Visually inspect the WARNING gasket on the backside of the frame.
  • Page 27 LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® Burner Air Shutter Adjustment Procedure Air Shutter WARNING Opening • Air shutter adjustment should only be performed by a quali- Main Burner Factory Air Shutter fied professional service Opening Setting—Inches (millimeter)
  • Page 28: Finishing Requirements

    LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® FINISHING REQUIREMENTS Non-combustible materials, such as surrounds and other appliance trim, may be installed on the appliance front face with the exceptions. Wall Details Vertical installation clearances to combustible mantels vary according to the Complete finished interior wall.
  • Page 29: Step 11. Attaching Safety-In-Operation Warnings

    3. Si no puede encontrar las etiquetas, sírvase l’étiquette en anglais. safety instruction labels free of charge. llamar a Lennox Hearth Products o al distribuidor 3. Si vous ne trouvez pas les étiquettes, veuillez de Lennox Hearth Products más cercano para Cat.
  • Page 30: Installation Accessories

    LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® INSTALLATION ACCESSORIES Listed Secure Vent Components H2262 SV8SU Support Strap ® Cat. Model Description H2266 SV8HTS Horizontal Square Termination with Firestop/Spacer H2263 SV8SP Support Plate...
  • Page 31: Gas Conversion Kits

    LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® GAS CONVERSION KITS Step 1. TURN OFF THE GAS SUPPLY TO THE APPLIANCE and disconnect power supply at the circuit breaker. Ensure appliance is cold.
  • Page 32 LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® Step 6. Refer to the instructions provided Burner Orifice Sizes with the SIT regulator conversion kit. Using Elevation 0-4500 feet ( 0-1372 meters) Pilot a Torx T20 (with 1/4-in. shank and center...
  • Page 33 LENNOX HEARTH PRODUCTS • MONTEBELLO DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® NOTES NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
  • Page 34 DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS ® Lennox Hearth Products reserves the right to make changes at any time, without notice, in design, materials, specifications, and prices, and also to discontinue colors, styles, and products. Consult your local distributor for fireplace code information.

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