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Report #189122-1027389
WARNING: IF THE INFORMATION IN THIS MAN-
UAL IS NOT FOLLOWED EXACTLY, A FIRE OR
EXPLOSION MAY RESULT CAUSING PROPERTY
DAMAGE, PERSONAL INJURY OR LOSS OF LIFE.
FOR YOUR SAFETY: Do not store or use gasoline
or other flammable vapors or liquids in the vicin-
ity of this or any other appliance.
FOR YOUR SAFETY: What to do if you smell gas:
• DO NOT light any appliance.
• DO NOT touch any electrical switches.
• Do not use any phone in your building.
• Immediately call your gas supplier from
a neighbor's phone. Follow your gas
suppliers instructions.
• If your gas supplier cannot be reached, call
the fire department.
Installation and service must be performed by a quali-
fied installer, service agency or the gas supplier.
INSTALLATION AND OPERATION
FREESTANDING VENTED GAS FIRED ROOM HEATERS
L20 DVF-2 shown with optional gold door and brickaded interior
Models: L20 BF-2 (B-Vent) and L20 DVF-2 (Direct-Vent)
RETAIN THIS MANUAL FOR FUTURE REFERENCE
Model L20 DVF-2 may be installed in an aftermarket permanently located,
manufactured (mobile) home, where not prohibited by local codes
AVERTISSEMENT: ASSUREZ-VOUS DE BIEN SUIVRE LES
INSTRUCTIONS DONNÉ DANS CETTE NOTICE POUR
RÉDUIRE AU MINIMUM LE RISQUE D'INCENDIE OU
POUR ÉVITER TOUT DOMMAGE MATÉRIEL, TOUTE
BLESSURE OU LA MORT.
POUR VOTRE SÉCURITÉ: Ne pas entreposer ni utiliser
d'essence ni d'autre vapeurs ou liquides inflammables dans
le voisinage de cet appareil ou de tout autre appareil.
POUR VOTRE SÉCURITÉ: Que faire si vous sentez une
odeur de gaz:
• Ne pas tenter d'allumer d'appareil.
• Ne touchez à aucun interrupteur. Ne pas vous
servir des téléphones se trouvant dans le batiment
où vous vous trouvez.
• Evacuez la piéce, le bâtiment ou la zone.
• Appelez immédiatement votre fournisseur de gaz
depuis un voisin. Suivez les instructions du
fournisseur.
• Si vous ne pouvez rejoindre le fournisseur de gaz, appe-
lez le service dos incendies.
L'installation et service doit être exécuté par un qualifié
installeur, agence de service ou le fournisseur de gaz.
MANUAL
P/N 775,021M Rev. C, 8/04
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Table of Contents
Troubleshooting
Related Manuals for Lennox L20 BF-2
Summary of Contents for Lennox L20 BF-2
- Page 1 MANUAL FREESTANDING VENTED GAS FIRED ROOM HEATERS L20 DVF-2 shown with optional gold door and brickaded interior Models: L20 BF-2 (B-Vent) and L20 DVF-2 (Direct-Vent) RETAIN THIS MANUAL FOR FUTURE REFERENCE P/N 775,021M Rev. C, 8/04 Model L20 DVF-2 may be installed in an aftermarket permanently located,...
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Page 2: Important Warnings
IMPORTANT WARNINGS / CAUTIONS CAUTION: READ THIS MANUAL THOROUGHLY BEFORE STARTING INSTALLATION. FOR YOUR SAFETY, FOLLOW THE INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS EXACTLY WITHOUT DE- VIATION. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN A POSSIBLE FIRE HAZARD AND MAY VOID THE WARRANTY. IF THIS APPLIANCE IS NOT PROPERLY INSTALLED, A HOUSE FIRE MAY RE- SULT. -
Page 3: Table Of Contents
Propane Conversion ...........18-19 It is our goal at Lennox Hearth Products to provide you, our Maintenance ...............20-21 valued customer, with an appliance that will ensure you years of trouble free warmth and pleasure. -
Page 4: Planning Your Installation
PLANNING YOUR INSTALLATION LOCAL AND NATIONAL CODE REQUIREMENTS GAS PRESSURE (WC = Water Column) The installation of these appliances must conform with local Minimum inlet gas supply pressure for the purpose of input codes or, in the absence of local codes, with the National Fuel adjustment: Gas Code, (for USA) NFPA 54 / ANSI Z223.1 - latest edition. - Page 5 PLANNING YOUR INSTALLATION QUESTIONS TO ASK THE LOCAL BUILDING OFFICIAL 5. In some states or municipalities, a licensed gas fitter or plumber may be required to install this appliance. Check Correct installation is critical and imperative for reducing fire with your local building official for requirements in your hazards and perilous conditions that can arise when gas appli- area (i.e.
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Page 6: Manufactured (Mobil) Home Requirements
Ref. 23” (584 mm) (305 mm) (305 mm) tured home. Use a No. 8 or heavier copper wire at least 18" in length. Model L20 BF-2 is NOT approved for Manufactured Home instal- 24” Max. (610 mm) Fig. 3 lations. IMPORTANT NOTES:... - Page 7 INSTALLATION - MODEL L20 DVF-2 (DIRECT-VENT) VENTING REQUIREMENTS. This appliance is designed to be vented with a 4” x 6 5/8” direct-vent pipe. Each direct-vent appliance must use its own separate vent system. VERTICAL TERMINATION WITH VERTICAL TERMINATION HORIZONTAL TERMINATION NO OFFSETS WITH 2 OFFSETS WITH 1 OFFSET...
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Page 8: Installation
INSTALLATION DIRECT VENT SYSTEM COMPONENTS – MODEL L20 DVF-2 ONLY The following Direct-Vent system components may be safely used model L20 DVF-2. Model # Brand: SECURITY / Description Model # Brand: SIMPSON DURA-VENT / Description SV 0 SHK Standard Horizontal Term. Kit (90° Black Elbow, Firestop (2), Horizon- Basic Horizontal Term. - Page 9 8” I.D.; Only compatible w/specific brands – Con- tact Vent Manufacturer MODELS L20 BF-2 AND L20 DVF-2 VERTICAL VENT TERMINATION REQUIREMENTS These instructions should be used as a guideline and do not supersede local codes in any way. Install vent according to local codes, these instructions, the current National Fuel Gas Code (ANSI-Z223.1) in the USA or the current standards of CAN/CGA-B149.1 and -...
- Page 10 INSTALLATION - MODEL L20 DVF-2 ONLY HORIZONTAL VENT TERMINATION REQUIREMENTS The venting terminals should not be recessed into a wall or siding. A = 2” Clearances above grade, veranda, porch, deck or bal- 9” (USA) Clearance to non-mechanical air supply inlet to cony.
- Page 11 INSTALLATION MODEL L20 BF-2 ONLY This appliance is designed to be vented with a 4” B-Vent pipe. Each B-Vent appliance must use its own separate vent system. For pipe clearances, also see pipe manufacturers venting instructions. B-Vent Installation Illustration Vent Configuration Requirements Approved for vertical termination only.
- Page 12 INSTALLATION • The appliance must be isolated from the gas supply piping system by GAS SUPPLY HOOKUP (ALL MODELS) closing its individual manual shut-off valve during any pressure test- If using pipe other than black iron pipe see NFPA 54-National Fire Pro- tection Association / ANSI Z223.1-American National Standards Institute;...
- Page 13 INSTALLATION DOOR OPERATION (ALL MODELS) 2. Swing bottom of door outward until door releases at top, The glass door is mounted on a hinge at the top of the firebox then lift door up and off. and is secured in the closed position by the draw latch mounted on the bottom of the firebox.
- Page 14 INSTALLATION GAS APPLIANCE FINAL ASSEMBLY (ALL MODELS) 4. Install the center top twig as shown in the following illus- After the appliance has been properly installed and all gas con- tration. nections have been made and tested, you can now install the log set.
- Page 15 INSTALLATION INSTALLATION CHECK LIST (ALL MODELS) 2. Adjust gap as shown in following picture. Read and understand these instructions before using ap- pliance. Go through this installation checklist: Loosen setscrew using Phillips Ensure that the log set is properly installed. Use cau- screwdriver Air Shutter tion when handling the logs.
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Page 16: Care And Operation
CARE AND OPERATION (ALL MODELS) LIGHTING AND SHUTDOWN INSTRUCTIONS FOR YOUR SAFETY READ BEFORE LIGHTING 1. STOP! Read the safety information on this page or on label (on ap- WARNING: If you do not follow these instructions ex- pliance). actly, a fire or explosion may result causing property 2. -
Page 17: Care And Operation
SIDE VIEW SHOWN paint (See Small Area Paint Touch-Up, page 20). Paint is avail- able at your local authorized Lennox Hearth Products dealer. Never attempt to paint a hot stove. KNOB... -
Page 18: Propane Conversion
PROPANE CONVERSION PROPANE CONVERSION PROCEDURE (ALL MODELS) (Only required if Propane gas is used) This appliance is designed to operate on natural gas, or propane (LP). It is factory set for use with natural gas and requires field conversion for use with propane. The use of other fuels or com- bination of fuels will degrade the performance of this system and may be dangerous. -
Page 19: Propane Conversion
PROPANE CONVERSION 7. High / Low Pressure Regulator Installation Procedure: 10. Purge air from the gas line (see #9 above), then connect propane gas line to the appliance. Connect the fuel line to a. Remove regulator cap and conversion screw (see follow- the insert inlet (1/2”... -
Page 20: Maintenance
MAINTENANCE Always Turn Off Gas Control Valve Before Cleaning. Annual Maintenance Should Only Be Performed By A Qualified Service Technician: (ALL MODELS) (Model L20 DVF-2) If the vent-air intake system is disassembled for any reason, the service technician should follow vent manu- LOG SET factures instructions for proper reassembly and sealing of the Removing &... -
Page 21: Maintenance
MAINTENANCE Always Turn Off Gas Control Valve Before Cleaning. Annual Maintenance Should Only Be Performed By A Qualified Service Technician: (ALL MODELS) BURNER FLAME APPEARANCE A periodic visual check of the pilot and burner flames should PERIODIC CHECK OF PILOT AND BURNER FLAMES be performed. -
Page 22: Wiring Diagrams
(millivolt) system or burner remote control system or when locating system components for repair / replacement. Note: If replacement of any of the original wire is necessary, use 105°C thermoplastic wiring. MODEL L20 BF-2 MODEL L20 DVF-2... -
Page 23: Troubleshooting
TROUBLESHOOTING Qualified Technicians Only (ALL MODELS) PROBLEM CAUSE(S) SOLUTIONS • Make sure connections are solid. 1) Pilot will not light, and Piezo Igniter does not a. Electrode wire (at Piezo Igniter) not pushed • Replace piezo igniter. produce a heavy blue spark. completely on. -
Page 24: Troubleshooting
TROUBLESHOOTING Qualified Technicians Only (MODEL L20 BF-2 ONLY) SPILL SWITCH Draft Hood This appliance is equipped with a “Spill Switch” which is a safety device that will shut off gas to the burner in case of sus- tained back draft or flue gas spillage from the draft hood. The... -
Page 25: Replacement Parts / Optional Accessories
Orifice, #40, NG (0-4500’ / 1370m) 10850187 Orifice, #53, LPG (0-4500’ / 1370m) 17M61 Burner Assembly 17M62 Log Set For the location of the nearest Dealer for replacement parts, contact: Lennox Hearth Products; 1110 West Taft Avenue; Orange, CA 92865 PAGE 25... - Page 26 OPTIONAL ACCESSORIES – Models: L20BF-2 & L20 DVF-2 Item # Catalog # Model Description 14M07 DK2-G Door Kit, L20, Gold 14M05 BRK-L20 Brickaded Interior Kit, L20 H0251 RC-STAT Deluxe Remote Control (Thermostatically controlled) H0249 (RC) Remote Control (Standard On / Off) 89L36 Wall Thermostat Kit 19L92...
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Page 27: Specifications
SPECIFICATIONS: Model L20 BF-2 Flue Size 4” - Top Vent Top View Height Overall 29” Height to Flue Outlet 28 ¾” Width 23” Depth 15” Fuel Natural Gas (standard) (or) LP Gas (convertible). Gas inlet 3/8” NPT-Male / Flex Line (or) remove flex, 3/8”... - Page 28 SPECIFICATIONS: Model L20 DVF-2 Flue Size 4” – Top Vent Top View Intake Pipe 6.625” (6 5/8”) Height Overall 30 1/2” Height 29” Width 23” Depth 15” Fuel Natural Gas (standard) (or) LP Gas (convertible). Gas inlet 3/8” NPT-Male / Flex Line (or) remove flex, 3/8”...
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Page 29: Safety / Listing Labels
SAFETY/ LISTING LABEL (RATING PLATE) PAGE 29... -
Page 30: Safety / Listing Labels
SAFETY/ LISTING LABEL (RATING PLATE) PAGE 30... -
Page 31: Ownership Record And Service Log
OWNERSHIP RECORDS Dealer’s Name: Dealer’s Address: City: State: Zip Code: Serial Number: Date of Purchase: Date Installed: Notes: SERVICE AND MAINTENANCE LOG Service Service Service Date Technician Description PAGE 31... - Page 32 LENNOX reserves the right to make changes at any time, without notice, in design, materials, specifications, prices and also for discontinued colors, styles and products. Consult your local distributor for fireplace code information Printed in U.S.A LENNOX HEARTH PRODUCTS 2001 1110 West Taft Avenue • Orange, CA 92865 P/N 775,021M REV. C 08/2004...