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F R E E
SAFETY
GUARD
PROTECTS AGAINST BURNS
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See Page 2 For Details
CARE AND OPERATION INSTRUCTIONS
B-Vent Gas Fireplaces
MLBV 35/40 Models
P/N 506017-03 Rev. B 06/2011
MODELS
This manual is one of a set of two supporting this product.
Refer to P/N 506015-04 for Installation Instructions.
MILLIVOLT: ELECTRONIC:
Ce manuel est disponible en francais, simplement
en faire la demande. Numéro de la pièce 506223-22.
MLBV-35NM MLBV-40NM MLBV-35NE
MLBV-35PM MLBV-40PM MLBV-40NE
WHAT
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® LENNOX HEARTH PRODUCTS • MERIT SERIES B-VENT GAS FIREPLACES • MODELS MLBV-35, MLBV-40 • CARE AND OPERATION INSTRUCTIONS Thank you for your purchase. We appreciate your business! Please carefully read and follow all instructions in this manual. Safety and Pay special attention to all warnings and safety information. Following these safety, care, and operation instructions will help Your Fireplace ensure many years of dependable and enjoyable service from your fireplace. All parts of
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® LENNOX HEARTH PRODUCTS • MERIT SERIES B-VENT GAS FIREPLACES • MODELS MLBV-35, MLBV-40 • 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 Lennox Hearth Products deviennent Lennox Hearth Products se ponen EXTRÊMEMENT CHAUDES ! MUY CALIENTES! Afin d'éviter de vous brûler gravement ou de Instale una malla o barrera física para evitar vous blesser, installez une gr
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® LENNOX HEARTH PRODUCTS • MERIT SERIES B-VENT GAS FIREPLACES • MODELS MLBV-35, MLBV-40 • 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 ou brisé. Confiez le removed, cracked or broken. Replacement of the glass remplacement du panneau à un technicien agréé should be done by
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® LENNOX HEARTH PRODUCTS • MERIT SERIES B-VENT GAS FIREPLACES • MODELS MLBV-35, MLBV-40 • CARE AND OPERATION INSTRUCTIONS HOMEOWNER’S INSTRUCTIONS: ATTACHING “SAFETY-IN-OPERATION” WARNINGS ATTACHING “SAFETY-IN-OPERATION” APPOSITION DES MISES EN GARDE RELATIVES COLOCACIóN DE ADVERTENCIAS DE SEGURIDAD WARNINGS à LA SÉCURITÉ D’UTILISATION EN OPERACIóN Your fireplace has been furnished with safety Votre foyer a été livré avec des étiquettes de sécurité qui Su chimenea incluye etiquetas de
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® LENNOX HEARTH PRODUCTS • MERIT SERIES B-VENT GAS FIREPLACES • MODELS MLBV-35, MLBV-40 • CARE AND OPERATION INSTRUCTIONS Appliance Installation, Service, Appliance Operation Notices Warranty Information and Maintenance Notices Your gas appliance is covered by a limited Do not operate appliance with the glass twenty-year warranty. You will find a copy front removed, cracked, or broken. IMPORTANT: Improper installation, of the warranty accompanying this manual. adjustment, alteratio
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® LENNOX HEARTH PRODUCTS • MERIT SERIES B-VENT GAS FIREPLACES • MODELS MLBV-35, MLBV-40 • CARE AND OPERATION INSTRUCTIONS Gas Pressure Requirements Orifice Sizes GENERAL INFORMATION (continued) (Sea Level to High Altitude – All Models) The fireplace models covered in this manual are These appliances are tested and approved for B-vented decorative gas appliances designed Inlet Gas Supply Pressure for residential application. installation at elevations of 0–4500 feet (0–1372 (all mode
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® LENNOX HEARTH PRODUCTS • MERIT SERIES B-VENT GAS FIREPLACES • MODELS MLBV-35, MLBV-40 • CARE AND OPERATION INSTRUCTIONS OPERATION AND CARE OF YOUR APPLIANCE GAS CONTROLS / CONTROL COMPARTMENT ACCESS WARNING Fireplace gas controls are located in the lower control compartment under the firebox (see Young children should be carefully supervised when they are in the Figure 1). Remove the control compartment same room as the appliance. Toddlers, young children and others door
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O O W W IN OUT IN T T H H N N ® LENNOX HEARTH PRODUCTS • MERIT SERIES B-VENT GAS FIREPLACES • MODELS MLBV-35, MLBV-40 • CARE AND OPERATION INSTRUCTIONS ON/OFF Control IMPORTANT: Do NOT assume your fire- Appliance Controls place has a complete supplemental com- Available ON/OFF control options for both Operation of millivolt and electronic gas bustion air system, and do NOT operate MILLIVOLT and ELECTRONIC models include a control systems differs. Before lighting and the Outside Air C
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® LENNOX HEARTH PRODUCTS • MERIT SERIES B-VENT GAS FIREPLACES • MODELS MLBV-35, MLBV-40 • CARE AND OPERATION INSTRUCTIONS Clean Glass Enclosure Panel Order Replacement Logs MAINTENANCE INSTRUCTIONS (Refer to “Removing and Installaing the Glass If the logs become damaged and need to be (See Maintenance Schedule, Page 26) Enclosure Panel” on Page 11). replaced, use only the proper replacement logs Refer to the maintenance schedule for maintenance Note: Clean glass after first two weeks
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® LENNOX HEARTH PRODUCTS • MERIT SERIES B-VENT GAS FIREPLACES • MODELS MLBV-35, MLBV-40 • CARE AND OPERATION INSTRUCTIONS Header Only doors certified with the appliance REMOVING AND INSTALLING Header Spacing shall be used. Spacing Top THE GLASS ENCLOSURE PANEL Top Standoffs Seules des portes certifiées pour cet Standoffs appareil doivent être utilisées. WARNING 5/8” 5/8” CAUTION: DO NOT abuse glass enclosure Nailing Nailing • Do not attempt to substitute the Flange Flange pan
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® LENNOX HEARTH PRODUCTS • MERIT SERIES B-VENT GAS FIREPLACES • MODELS MLBV-35, MLBV-40 • CARE AND OPERATION INSTRUCTIONS 4. Place the glowing ember material 5. Install the Logs. INSTALLING VOLCANIC (rockwool). STONE, GLOWING EMBERS The logs have locating notches or slots to Note: The bag of Glowing Embers help ensure that they are properly positioned. (ROCKWOOL), AND LOGS contains enough rockwool for several The top logs that rest on lower logs, do so applications; therefore, do
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® LENNOX HEARTH PRODUCTS • MERIT SERIES B-VENT GAS FIREPLACES • MODELS MLBV-35, MLBV-40 • CARE AND OPERATION INSTRUCTIONS MLBV-35 LOG PLACEMENT INSTRUCTIONS Note: 1 Rear Log 4 Left Cross Log 5 Right Cross Log • Ceramic fiber logs are FRAGILE! Handle carefully to prevent breakage. • Install volcanic stone and glowing embers BEFORE installing logs. • To prevent sooting, make sure logs do not cover any burner openings. MLBV Firebox Accessories/Parts Cat. No. Model No. Description H7666
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® LENNOX HEARTH PRODUCTS • MERIT SERIES B-VENT GAS FIREPLACES • 35”/40” MLBV MODELS • CARE AND OPERATION INSTRUCTIONS MLBV-40 LOG PLACEMENT INSTRUCTIONS Note: Rear Log 1 4 Left Cross Log Right Cross Log 5 • Ceramic fiber logs are FRAGILE! Handle carefully to prevent breakage. • Install volcanic stone and glowing embers BEFORE installing logs. • To prevent sooting, make sure logs do not cover any burner openings. MLBV Firebox Accessories/Parts Cat. No. Model No. Description H7667 — ML
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® LENNOX HEARTH PRODUCTS • MERIT SERIES B-VENT GAS FIREPLACES • MODELS MLBV-35, MLBV-40 • CARE AND OPERATION INSTRUCTIONS BURNER AIR SHUTTER 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. When the appliance is first lit, the entire flame may be blue and will gradually turn yellowish-orange during the first 15 minutes of operation. After 15 min
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® LENNOX HEARTH PRODUCTS • MERIT SERIES B-VENT GAS FIREPLACES • MODELS MLBV-35, MLBV-40 • CARE AND OPERATION INSTRUCTIONS Burner Air Shutter Adjustment 3. Allow the burner to operate for at least 15 APPLIANCE CHECKOUT minutes while observing the flame continu- Procedure ously to ensure that the proper flame ap- Millivolt Appliance Checkout pearance has been achieved (see Figures 11 The pilot flame should be steady, not lifting WARNING and 12 on previous Page). If the following
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~ ~ ® LENNOX HEARTH PRODUCTS • MERIT SERIES B-VENT GAS FIREPLACES • MODELS MLBV-35, MLBV-40 • CARE AND OPERATION INSTRUCTIONS SPILLAGE TEST Lintel Screw Hole After appliance installation, perform this spillage in Cabinet Top test to verify proper venting conditions: 1 - Place unit in its normally-operated condi- tion, that is, with the glass enclosure panel in place. Right Side 2 - Close all doors and windows in the room. Scoop Turn on all exhaust fans in the house. 3 - Light the appl
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I O O L I P T O it TH TPTH TP L I P F L F O ® LENNOX HEARTH PRODUCTS • MERIT SERIES B-VENT GAS FIREPLACES • MODELS MLBV-35, MLBV-40 • CARE AND OPERATION INSTRUCTIONS UNIT CATALOG NUMBERS AND ORDERING REPLACEMENT PRODUCT REFERENCE SHIPPING WEIGHTS PARTS INFORMATION A complete parts list is found at the end of We recommend that you record the important Cat. Shipping Shipping Model this manual. Use only parts supplied from the reference information about your fireplace in No. Weight
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VENT TH TH TP TP ® LENNOX HEARTH PRODUCTS • MERIT SERIES B-VENT GAS FIREPLACES • MODELS MLBV-35, MLBV-40 • CARE AND OPERATION INSTRUCTIONS ELECTRONIC IGNITION WIRING DIAGRAM Pilot Burner Assembly J-Box Wiring IGNITER MODULE NOTES: 3V 1. If any of the original wire as supplied BK must be replaced, use Type AWM BLACK (IGNITER) W 105°C - 18 gage wire ONLY. G 2. 120 VAC, 60 Hz - Less than 3 Amps. BLACK (SENSOR) CAUTION: label all wires prior to Junction Box disconnection wh
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® LENNOX HEARTH PRODUCTS • MERIT SERIES B-VENT GAS FIREPLACES • MODELS MLBV-35, MLBV-40 • CARE AND OPERATION INSTRUCTIONS ACCESSORY COMPONENTS (continued) Style View Screen Doors These decorative but functional twin-pane screen doors provide a barrier to prevent direct contact with the hot glass surface of the fireplace front enclosure panel. Style View Screen Doors easily install over the standard glass enclosure panel with heavy-duty magnet door latches (no hardware required). Arch Pa
