Page 2 - Safety and; To order a FREE Lennox; Operation Warnings; All parts of your Lennox; TABLE OF CONTENTS; Safety and Your Fireplace; Pay special attention to all warnings and safety information.; FREE; SAFETY; OFFER; The Lennox; To receive your FREE
2 LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS Safety and Your Fireplace To prevent severe burns and injuries, install a screen or physical barrier to prevent direct contact with the glass. To order a FREE Le...
Page 3 - GRATUIT pour votre foyer, consultez; Toutes les parties de votre foyer; SAFETY GUARD GRATIS; ¡Todas las partes de la chimenea; Seguridad y
3 LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS Afin d'éviter de vous brûler gravement ou de vous blesser, installez une grille ou une barrière physique pour empêcher tout contact direct avec la vitre. Pour co...
Page 4 - Important Safety Information
4 LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS Important Safety Information 1. WARNING: Do not operate appliance with the glass front removed, cracked or broken. Replacement of the glass should be done by a lic...
Page 5 - Figure A; WARNINGS; APPOSITION DES MISES EN GARDE RELATIVES; COLOCACIóN DE ADVERTENCIAS DE; Figure B
5 LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS HOMEOWNER’S INSTRUCTIONS: ATTACHING “SAFETY-IN-OPERATION” WARNINGS SAFETY LABEL DIAGRAMS / DIAGRAMAS DE ETIQUETAS DE SEGURIDAD / DIAGRAMMES DES ÉTIQUETTES DE SÉCUR...
Page 6 - WARRANTY INFORMATION
6 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS WARRANTY INFORMATION Your gas appliance is covered by a limited twenty-year warranty. You will find a copy of ...
Page 7 - AFTER THE GLASS HAS; Table 4; GENERAL INFORMATION
7 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS Inlet Gas Supply Pressure (all models) Fuel # Minimum Maximum Natural Gas 5.0" WC (1.24 kPa) 10.5" WC ...
Page 8 - OPERATION AND CARE OF YOUR APPLIANCE; Gas Controls / Control Compartment; Figure 1; WARNING; same room as the appliance. Toddlers, young children and others; AVERTISSEMENT; risque d’avoir accès à la pièce et aux surfaces chaudes.
8 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS OPERATION AND CARE OF YOUR APPLIANCE Gas Controls / Control Compartment Access The gas controls can be found o...
Page 9 - SIT Proflame Gas Valve; Remote Control System; Install the batteries into the battery bay
9 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS Figure 2: SIT Proflame Gas Valve Orange Wire (From DFC Wire Harness) Pressure Regulator Tower Yellow Ground Wi...
Page 10 - Figure 6; Figure 4: Remote Control; to
10 LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS Figure 6 Figure 5: Indicator Icons Flame Level 5 Transmission Set Point Temp./Level/State Flame On Child Safety Lock-OutLow Battery Alarm Room Temperature Figure ...
Page 11 - Figures 20 and; Turn off gas and electrical power; MAINTENANCE
11 LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS Glass Cleaning (For detailed glass door assembly removal/ installation instructions, see Page 12 .) Note: Clean glass after first two weeks of operation (after bu...
Page 12 - REMOVAL AND INSTALLATION; CAUTION; Installing Glass Doors, Mesh Pull
12 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS WARNING Any safety screen or guard removed for servicing the appli- ance must be replaced prior to operating ...
Page 13 - Bag of Glowing Embers; PLACEMENT OF VOLCANIC STONE, GLOWING EMBERS,; about
13 LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. Separate glowing ember material into THIN , square, dime-sized pieces. Figure 9: Preparation of Glowing Ember...
Page 14 - Figure 13: Burner Bosses and Landings; FIREBOX ACCESSORIES/PARTS; Table 5; LOG SET
14 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS Figure 13: Burner Bosses and Landings Boss #4 Boss #3 Landing for Log C 7. Place notch on underside of Right ...
Page 15 - Landing for Log D”; Pin
15 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS 11. See Figure 19 . Place groove on underside of Top Front Log F over the grate finger. Rest the other end of...
Page 16 - BURNER ADjUSTMENTS; Flame Appearance and Sooting; Burner Flame Appearance
16 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS Figure 20 Volcanic Stone Burner Flame Appearance (Control Side) BURNER ADjUSTMENTS (QUALIFIED TECHNICIANS ONL...
Page 17 - Electronic Appliance Checkout; Figures
17 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS Electronic Appliance Checkout To light the burner, refer to the lighting instruc- tions on Page 21 . Ensure t...
Page 18 - Figure 23: Electronic Wiring Diagram; ELECTRONIC WIRING DIAGRAM FOR GRAVITY VENT FIREPLACES; PRODUCT REFERENCE INFORMATION; LENNOX HEARTH PRODUCTS
18 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS Figure 23: Electronic Wiring Diagram Proflame DFC Board Pilot Ground Wire Pilot Tube Electronic Pilot Assembl...
Page 19 - ACCESSORY COMPONENTS; Firebox Accessories; Andiron Kits; Ceramic and Porcelain Panel Kits
19 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS ACCESSORY COMPONENTS Bag of Glowing EmbersBag of Volcanic Stone Replacement ember material and volcanic stone...
Page 20 - Classic Screen Kits; Dual Arch Screen Kits; Outdoor Kit
20 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS Classic Screen Kits These decorative freestanding firescreen pan- els are designed to enhance the beauty of t...
Page 21 - BEFORE OPERATING; OPERATING INSTRUCTIONS; TO TURN OFF GAS TO APPLIANCE; RESULT CAUSING PROPERTY DAMAGE, PERSONAL INjURY OR LOSS OF LIFE.
21 LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. A. This appliance is equipped with an ignition device which automatically lights the pilot. Do not try to lig...
Page 22 - AVANT DE FAIRE FONCTIONNER,; INSTRUCTIONS D’ALLUMAGE; COMMENT COUPER L’ADMISSION DE GAZ DE L’APPAREIL
22 LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS REMARQUE : LES SCHÉMAS ET LES ILLUSTRATIONS NE SONT PAS À L’ÉCHELLE A. Cet appareil est muni d’un dispositif d’allumage qui allume automatiquement la veilleuse. N...
Page 23 - DO NOT TOUCH OR ATTEMPT TO CLEAN GLASS WHILE HOT; Turn OFF gas and electrical power to the fireplace, and
23 LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS MAINTENANCE SCHEDULE Annually (before onset of burning season) MAINTENANCE TASK ACCOMPLISHING PERSON PROCEDURE Inspect/Clean Burner, Logs, and Controls Qualified ...
Page 24 - TROUBLESHOOTING THE MONTEBELLO; is in the “ON” position.; SYMPTOM
24 LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS TROUBLESHOOTING THE MONTEBELLO ™ LSM40ST FIREPLACE Note: Before troubleshooting the gas control system, make sure the external gas shutoff valve (located at gas s...
Page 25 - REPLACEMENT PARTS LIST; Gas Controls - SIT Electronic
25 LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS WARNING Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this appliance may result in prope...
Page 26 - REPLACEMENT PARTS ILLUSTRATION; Circled numbers correspond to “Replacement Parts List” on
26 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS REPLACEMENT PARTS ILLUSTRATION Circled numbers correspond to “Replacement Parts List” on previous page . 1 2 ...
Page 27 - Notes
27 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. LENNOX HEARTH PRODUCTS • MONTEBELLO ® SEE-THROUGH DIRECT-VENT GAS FIREPLACES (LSM40ST-N / LSM40ST-P) • CARE AND OPERATION INSTRUCTIONS Notes