Lennox Hearth LSM40ST-N, LSM40ST-P installation instructions 506025-05 Rev. C 05/2011

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LENNOX HEARTH PRODUCTS • MONTEBELLO® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION 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.

	Printed in U.S.A. © 2011 Lennox Hearth Products
28	P/N 506025-05 Rev. C 05/2011	1508 Elm Hill Pike, Suite 108 • Nashville, TN 37210

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

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Contents Important Safety Information 506025-05 Rev. C 05/2011Safety Your Fireplace Spanish Seguridad y su chimenea Important Safety Information Et toute commande qui a été plongée dans l’eauColocación de advertencias de seguridad en operación Attaching Safety-in-Operation WarningsLennox Warranty Information Appliance Installation Service, and MaintenanceAppliance Operation Notices Inputs and Efficiencies InputsOrifice Sizes Sea Level to High Altitude All Models Burn-in PeriodGas Controls / Control Compartment Access ON/OFF Switch Switches fromOperation and care of your appliance Is OFFRemote Control System Intermittent/Standing Pilot Mode Slider Switch Remote PositionRoom Temperature Flame On Maximum Level Indicatiors Key LockSee Maintenance Schedule, Glass CleaningClean Control Compartment Clean Logs and BurnerInstall only when fireplace is OFF and Cold Hot Glass will Cause BurnsRemoving Glass Doors, Mesh Pull Screens, and Modesty Panel See FigureIMPORTANT! Ember pieces must be As Small and Thin as a dime Bag of Glowing EmbersControl Side Control Side Top view of burner shownInstall logs reference and Table Log, Center Log, Top RightLog, Top Left Log, Top FrontPin Groove LocationBurner Adjustments Burner Air Shutter Adjustment GuidelinesFlame Appearance and Sooting Burner Flame Appearance Control SidePilot Assembly Electronic Appliance CheckoutOrdering Replacement parts Wiring DiagramAccessory Components Andiron KitsCeramic and Porcelain Panel Kits Bag of Glowing Embers Bag of Volcanic StoneOutdoor Kit Arch Screen KitsClassic Screen Kits Barrier Screen KitsSlide the switch on the receiver to OFF Be performedInstructions D’ALLUMAGE Maintenance Schedule Do not touch or attempt to clean glass while hotTroubleshooting the Montebello LSM40ST Fireplace Symptom Possible causes Corrective actionGas Controls SIT Electronic Replacement Parts ListCat. No Replacement Parts Illustration Page 506025-05 Rev. C 05/2011

P/N 506025-05 Rev. C 05/2011