CARE AND OPERATION INSTRUCTIONS MPB B-Vent Gas Fireplaces P/N 875031M Rev. E 01/2011 MODELS This manual is part of a set of two supporting this product. Refer to P/N 850033M for Installation Instructions. Ce manuel est disponible en francais, simplement en faire la demande. Numéro de la pièce 875031CF. MILLIVOLT: mpb3328cnm-B mpb3530cpm-B mpb3328cpm-B mpb4035cnm-B mpb3530cnm-B mpb4540cnm-B WHAT'S INSIDE Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thank you for your purchase. We appreciate your business! Please carefully read and follow all instructions in this manual. Pay special attention to all warnings and safety information. Following these safety, care, and operation instructions will help ensure many years of dependable and enjoyable service from your fireplace. • FREE SAFETY GUARD OFFER • The Lennox® SAFETY GUARD protects against severe burns and injuries by preventing direct contact with the front glass surface of your fireplace.
[FRENCH] La sécurité et votre foyer Toutes les parties de votre foyer Lennox Hearth Products deviennent EXTRÊMEMENT CHAUDES ! 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 commander un PANNEAU DE PROTECTION Lennox® GRATUIT pour votre foyer, consultez les détails dans la partie gauche.
Important Safety Information L'information de sûreté importante 1. WARNING: Do not operate appliance with the glass front removed, cracked or broken. Replacement of the glass should be done by a licensed or qualified service person . 1. AVERTISSEMENT. Ne pas utiliser l’appareil si le panneau frontal en verre n’est pas en place, est craqué ou brisé. Confiez le remplacement du panneau à un technicien agréé 2. Do not use this appliance if any part has been under water.
HOMEOWNER’S INSTRUCTIONS - ATTACHING SAFETY-IN-OPERATION WARNINGS Attaching Safety-in-Operation Warnings Apposition des mises en garde relatives à la sécurité d’utilisation Colocación de advertencias de seguridad en operación Your fireplace has been furnished with safety instruction labels that are to be affixed to the operation and control point of the fireplace.
General Information The Millivolt appliances have a millivolt gas control valve with piezo ignition system. The Electronic appliances have an electronic intermittent pilot ignition system. External electrical power is required to operate these units. These appliances comply with National Safety Standards and are tested and listed by OMNI-Test Laboratories, Inc. (Report No. 116-F-36-5) to ANSI Z21.50 (in Canada, CSA 2.22), and CAN/CGA-2.17-M91 in both USA and Canada, as vented gas fireplaces.
Millivolt Models - BTU Input Millivolt models come standard with the manually-modulated gas valve; flame appearance and heat output can be controlled at the gas valve. Input of for these models is shown in Table 1.
Operation and care of your appliance WARNING Young children should be carefully supervised when they are in the same room as the appliance. Toddlers, young children and others may be susceptible to accidental contact burns. A physical barrier is recommended if there are at risk individuals in the house. To restrict access to a fireplace or stove, install an adjustable safety gate to keep toddlers, young children and other at risk individuals out of the room and away from hot surfaces.
HI/LO Variable Flame Height Adjustment Inlet Pressure Tap Manifold Pressure Tap IN OUT T PT H TP HI TH LO W O FF it PIL OT ON P IL Main Gas Control Knob OT Pilot Adjustment Screw OFF/PILOT/ON Piezo Igniter Gas Inlet Optional Burner ON/OFF Rocker switch location (one of two places) Gas Outlet Piezo Igniter Figure 2 - SIT Millivolt Gas Valve Electronic Appliances To light electronic appliances refer to the detailed lighting instructions found on Pages 26 and 27 of these instructions.
Wire Termianls Cabinet Corner back Of Limit Switch Door Frame Detail A Lintel Securing Screw Fire box Top Hole in Cabinet Top Scoop Scoop Securing Screws Detail B Fire box Top Lintel Securing-Screw Hole in Cabinet Top Limit/bracket Securing Screws Outside Combustion Air Controls Many appliances are equipped, when installed, with an outside (make-up air) vent system that is designed to provide the appliance with outside make-up air for combustion when in operation.
MAINTENANCE (See Maintenance Schedule, Page 28) Refer to the maintenance schedule for maintenance tasks, procedures, frequency and by whom they should be performed. Always verify proper operation of the appliance after servicing. WARNING Turn off gas and electrical power to the fireplace and allow it to cool before cleaning or servicing the appliance. CAUTION: Wear gloves and safety glasses for protection while doing required maintenance. Verify proper operation after servicing.
Front Glass Enclosure Panel, Removal and Installation WARNING • Do not attempt to substitute the materials used on this door, or replace cracked or broken glass. • Handle this glass with extreme care! Glass is susceptible to damage – Do not scratch or handle roughly while reinstalling the glass door frame. • The glass door(s) of this appliance must only be replaced as a complete unit as provided by the manufacturer. Do not attempt to replace broken, cracked or chipped glass separately.
Initial Installation Considerations The packaged logs are located within the firebox. The decorative volcanic stone and glowing embers are packaged separately in plastic bags located in the control area of the fireplace. If the logs are being installed for the first time, the following paragraphs apply: DO NOT attempt to install the logs until the appliance installation has been completed, the gas line connected and tested for leaks and the initial burner operation has been checked out.
MPB-3328 Log Placement LOG SET Catalog Number 24M15 1 * Item 3 2 Description (stamped #) 1 Log, Rear (39-12) 2 Log, Left (39-1) 3 Log, Right (39-2) 4 Log, Top Center (39-13) 5 Log, Top/Left (39-3) 6 Log, Top/Right (39-4) * Item numbers above correspond to photos 4 5 1 6 Position the individual logs as shown below. Logs should be placed in the order shown. Position the rear log on the brackets at the rear of the firebox with the log's notches directly over the brackets.
MPB-3530 Log Placement LOG SET Catalog Number 24M22 1 * Item 3 2 Description (stamped #) 1 Log, Rear (39-5) 2 Log, Left (39-1) 3 Log, Right (39-2) 4 Log, Top Center (39-6) 5 Log, Top/Left (39-3) 6 Log, Top/Right (39-4) * Item numbers above correspond to photos 4 6 5 1 Position the individual logs as shown below. Logs should be placed in the order shown. Position the rear log on the brackets at the rear of the firebox with the log's notches directly over the brackets.
MPB-4035 & MPB-4540 Log Placement LOG SET Catalog Number 24M2501 1 * Item 2 3 Description (stamped #) 1 Log, Center (39-8) 2 Log, Rear (138) 3 Log, Right (39-10) 4 Log, Left (39-9) 5 Log, Top/Left (39-11) 6 Log, Top/Right (39-11) * Item numbers above correspond to photos 4 5 Position the individual logs as shown below. Logs should be placed in the order shown. Position the center log on the burner first, then place the glowing embers as shown in Figure 9.
Burner 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 minutes of operation, if the flame is blue, or if the flame is orange with evidence of sooting (black tip), the air shutter opening may need to be adjusted.
Burner Air Shutter Adjustment Procedure WARNINGS • Air shutter adjustment should only be performed by a qualified professional service technician. • Ensure front glass panel are in place and sealed during adjustment. CAUTIONS • Soot will be produced if the air shutter is closed too much. Any damage due to carboning resulting from improperly setting the air shutter is not covered under the warranty. • The air shutter door and nearby appliance surfaces are hot.
Warranty Your gas appliance is covered by a limited twenty year warranty. You will find a copy of the warranty accompanying this manual. Please read the warranty to be familiar with its coverage. Retain this manual. File it with your other documents for future reference. Replacement parts A complete parts list is found at the end of this manual. Use only parts supplied from the manufacturer. With proper care and maintenance, your appliance will provide many years of enjoyment.
Accessory Components PRODUCT REFERENCE INFORMATION Cat. No. Model Ship Weight pounds Shipping Volume -cubic feet H7798 MPB-3328CNM-B 77.5 13.08 H7798 MPB-3328CPM-B 77.5 13.08 H7800 MPB-3328CNE-B 77.5 13.08 H7801 MPB-3530CNM-B 113 15.75 H7802 MPB-3530CPM-B 113 15.75 H7803 MPB-3530CNE-B 113 15.75 H7804 MPB-4035CNM-B 147 20.18 H7805 MPB-4035CNE-B 147 20.18 H7806 MPB-4540CNM-B 160 22.64 H7807 MPB-4540CNE-B 160 22.64 Rocker Switch Kit Cat. No. Model No.
Accessory Components 2-PIECE LOUVER SET KITS Polished Brass Cat. # Arch Door Kit - Polished Brass Cat. No. Model Models-Where Used 98L05 ADK33CPB MPB-3328 26M43 ADK35CMPB MPB-3530 81L35 ADK40CPB MPB-4035 81L36 ADK45CPB MPB-4540 Arch Door Kit - Brushed Stainless Steel Cat. No. Model Models-Where Used 98L62 ADK33CBS MPB-3328 26M44 ADK35CMBS MPB-3530 98L69 ADK40CBS MPB-4035 98L70 ADK45CBS MPB-4540 Brushed Stainless Model Cat.
Accessory Components ARCH DESIGN SCREEN DOOR KITS Cat. No. Model SQUARE DESIGN SCREEN DOOR KITS Description Cat. No. Where Used Model Description Where Used H0858 AD35C 35” Arch Doors, Black H0946 SD35C 35” Sq. Doors, Black H0859 AD35TI 35” Arch Doors, Textured Iron H0947 SD35TI 35” Sq. Doors, Textured Iron H0860 AD35SP 35” Arch Doors, Satin Pewter H0948 SD35SP 35” Sq. Doors, Satin Pewter H0861 AD35AB 35” Arch Doors, Antique Brass H0949 SD35AB 35” Sq.
Sunrise Style (upper grille shown) Crescent Style (lower grille shown) Decorative Grille Kits Decorative Arch Screen Panel Kit This easy to install optional screen installs over the standard glass enclosure panel to prevent direct contact with the hot glass surface. These screen panels cannot be used in conjunction with the arch door kits or door frame kits. Decorative Arch Screen Panel Kit Cat. No. H3592 Model DASPK33TI Model 33” Dec. Arch Screen Panel H3593 DASPK35TI 35” Dec.
Lighting Instructions – SIT Millivolt GAS VALVE FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE. A. This appliance has a pilot which must be lighted with a piezo igniter. When lighting the pilot, follow these instructions exactly. B. BEFORE LIGHTING smell all around the appliance area for gas.
INSTRUCTIONS D’ALLUMAGE – VANNE Millivolt POUR PLUS DE SÉCURITÉ, LIRE AVANT D’ALLUMER AVERTISSEMENT. QUICONQUE NE RESPECTE PAS À LA LETTRE LES INSTRUCTIONS DANS LA PRÉSENTE NOTICE RISQUE INSTRUCTIONS D’ALLUMAGE – VANNE GAZ MILLIVOLT SIT DE DÉCLENCHER UN INCENDIE OU UNE EXPLOSION ENTRAÎNANT DES DOMMAGES, DES BLESSURES OU LA MORT. POUR VOTRE SÉCURITÉ, LISEZ CES INSTRUCTIONS AVANT L’ALLUMAGE • Appelez immédiatement votre fournisseur de gaz depuis un voisin. A.
OPERATING Instructions — Electronic FOR YOUR SAFETY READ BEFORE OPERATING WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE. A. This appliance is equipped with an ignition device which automatically lights the pilot. Do not try to light the pilot by hand. B. BEFORE OPERATING smell all around the appliance area for gas.
INSTRUCTIONS D’ALLUMAGE — Electronic POUR PLUS DE SÉCURITÉ LIRE AVANT DE METTRE EN MARCHE AVERTISSEMENT: SI VOUS NE SUIVEZ PAS CES INSTRUCTIONS À LA LETTRE, IL POURRAIT S’EN SUIVRE UN INCENDIE OU UNE EXPLOSION CAUSANT DES DOMMAGES MATÉRIELS, DES BLESSURES CORPORELLES OU MÊME DES PERTES DE VIE. A. Cet appareil est muni d’un dispositif d’allumage qui allume automatiquement la veilleuse. Ne tentez pas d’allumer la veilleuse manuellement. B.
Maintenance Schedule Turn off gas and electrical power to the fireplace and allow it to cool before cleaning or servicing the appliance. Annually (Before the onset of the Burning Season) MAINTENANCE TASK Inspect/Clean Burner, Logs ACCOMPLISHING PERSON PROCEDURE Qualified Service Technician Inspect valve and ensure it is properly operating. Check piping and Controls for leaks. Vacuum the control compartment, fireplace logs and burner area.
Troubleshooting the Millivolt control System Note: Before troubleshooting the gas control system, Ensure external gas shut off valve, located at gas supply inlet, (and wall switch, iff applicable), is in the “ON” position. Important: Valve system troubleshooting should only be accomplished by a qualified service technician. SYMPTOM 1. Spark Igniter will not light pilot after repeated triggering of Igniter button. POSSIBLE CAUSES CORRECTIVE ACTION A. Defective igniter (no spark at electrode).
TROUBLESHOOTING PROCEDURE - ELECTRONIC IGNITION SYSTEM START CHECK • Turn Off Gas Supply. • Ensure Valve Switch Is In ON Position. • Disconnect Control Harness. • Turn On Optional Remote Switch (if applicable) • Check for proper voltage at control harness (see insert A). Voltage NO should be 24V between 2 remote switch or pressure switch and 24V common and 24V hot.
Replacement Parts List Item # mpb-3328 Description Part No. mpb-3530 Qty. Part No. H3895 1 Hood, Black H3898 1 2 Louver Assembly, Top Panel H4332 1 3 Louver Assembly, Lower Panel H4333 1 4 Enclosure, Glass Front (Complete) H3889 1 H3926 (set) H3881 mpb-4035 Qty. Part No. 1 H3896 1 1 1 H3899 (set) H3941 mpb-4540 Qty. Part No. Qty.
Replacement Parts 9 8 1 40/45 2 9 33/35 12 11 13 10 14 40/45 21 20 10 33/35 14 15 7 Located Inside Located Inside (see Figure 8) 4 (see Figure on Page 10) 26 40 6 23 27 24 15 44 41 25 22 5 3 43 42 4 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. 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.