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INSTALLATION
INSTRUCTIONS
®
MERIT SERIES
42" B-VENTED GAS APPLIANCES
P/N 850,041M REV. A 02/2007
This appliance may be installed in an aftermarket perma-
nently located, manufactured home (USA only) or mobile
MODELS
home, where not prohibited by local codes. This appliance
is only for use with the type of gas indicated on the rating
plate. This appliance is not convertible for use with other Millivolt Models Electronic Models
gases, unless a certified kit is used.
LMBV-42RMN LMBV-42REN
LMBV-
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These appliances comply with National Safety • Installation and repair must be done by a TABLE OF CONTENTS Standards and are tested and listed by Warnock plumber or gas fitter licensed in the Common- Hersey (Report No. 3106807) to ANSI Z21.50 - wealth of Massachusetts. Introduction ..................................... page 2 latest edition (in Canada, CSA 2.22 - edition • The flexible gas line connector used shall not General Information ......................... page 2 edition), and CAN/CGA-2.
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Do not use these appliances if any part has Do not place clothing or other materials on AVERTISSEMENT: SURVEILLER LES been under water. Immediately call a qualified, or near this appliance. ENFANTS. GARDER LES VÊTEMENTS, professional service technician to inspect the LES MEUBLES, L'ESSENCE OU AUTRES appliance and to replace any parts of the WARNING: FAILURE TO COMPLY control system and any gas control which LIQUIDES À VAPEUR INFLAMMABLES WITH THE INSTALLATION AND OPER- have been under water.
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CLEARANCES APPLIANCE SPECIFICATIONS Minimum clearance to combustibles for the ap- 12 ¹⁄₂" (318 mm) pliance is as follows: sides and back - 0" (0 mm), 8 ³⁄₈" floor - 0" (0 mm), adjacent wall - 0" (0 mm), (213 mm) ceiling - 64" (1625 mm). 13 ³⁄₈" (340 mm) Venting Gas Vent Rule – Gas vent caps are not permit- ted within 8 feet (2.4 mm) of a vertical wall or 41" (1041 mm) 43" similar obstruction. Gas vent caps that are (1092 mm) located 8' or more from a portion of a building 22 ⁵⁄₁₆" 2" which exte
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The fireplace may be positioned and then the Framing Dimensions FRAMING SPECIFICATIONS framing built around it, or the framing may be constructed and the fireplace positioned into A 46 ¹⁄₄" 1175 mm the opening. B 43 ¹⁄₂" 1105 mm Usually, no special floor support is needed for C 33" 838 mm the fireplace, however, to be certain: D 17 ¹⁄₂" 445 mm 1. Estimate the total weight of the fireplace system and surround materials such as brick, E 76 ¹⁄₄" 1937 mm Header stone, etc., to be installed. F 38 ¹⁄₈
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Step 2. Route gas line (Figure 8 ) using tech- Step 3. Slide the fireplace into prepared fram- Step 4. Install the Vent System and Exterior niques and materials prescribed by local and/or ing or position fireplace in its final position and Termination - national codes. It is recommended that a gas frame later. A - Connect a 6" (152 mm) Type B vent system line of ¹⁄₂" or greater diameter be used to allow to the appliance flue collar with four (4) No. 8 full gas volume to the fireplace. Undue pre
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TH TH TP TP Maximum overall height of the vent system and 2. Locate and install a low voltage (24V) wall Gas Controls on Valve appliance should not exceed 40 feet (12.19 m). switch (not supplied) in the desired location. Connect the low voltage wire to this switch Piezo Install the B-vent system in accordance with (see Figure 12 ). Ignitor the vent manufacturer's instructions. 3. After wiring is complete, replace the appli- CAUTION: THIS APPLIANCE CANNOT BE ance junction box cover and secure wi
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Note: Supply wires may be alternatively connected to the outlet using the screw terminals, however Step 7. Installing Outside Air Kit – These the black supply wire must be wired to a terminal that is opposite (across the outlet) the point where appliances are equipped with an outside (make- the white supply wire is connected. up) air door and integral actuator arm. If the appliance is to be installed with an outside air vent system, use only Lennox Models FAOK-4 or FAOK-4LD Combustion Air Kits.
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Operate the actuator through several cycles Limit Switch Screws including the "lock" position. Ensuring proper operation and freedom of movement. Return the actuator arm to the locked position. Step 8. Installing Logs and Rockwool – The logs are packaged and boxed within the firebox. The bag of rockwool is in the lower control Screen Rod compartment. Remove the rockwool from the packaging and tear into quarter size pieces (see Homeowners Care and Operation Instructions). Manual Carefully posit
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To achieve a warm yellow to orange flame with 3/8 To 1/2 Inch (9 mm to 13 mm) an orange body that does not soot, the shutter opening must be adjusted between these two Orifice extremes. Air Shutter Proper Flame Adjustment No smoke or soot should be present. Reposi- Adjusting tion the log set if the flames impinge on any of Set Screw Ground Electrode them. Flame Rod If sooting conditions exist, the air shutter opening on the main burner can be adjusted. Hot Surface Normally, the more offsets in t
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INSTALLATION ACCESSORIES Combustible Mantel Clearances Inches The following accessory items are available for Finished 14¹⁄₄ use in the installation of this appliance. Wall 14 13 Outside Air Kits Models FOAK-4 and FOAK-4LD 12 11 Header Outside Air kits are available with duct 10 (FOAK-4) and without duct (FOAK-4LD) for 9 Spacer use if outside combustion air is required or 8 desired. If model FOAK-4LD is used it must 8³⁄₈ be used in conjunction with locally pur- chased, non-combustible Class 1 o
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Gas Conversion Kits AVERTISSEMENT: CET ÉQUIPEMENT DE CONVERSION WARNING: THIS CONVERSION KIT SHALL BE IN- SERA INSTALLÉ PAR UNE AGENCE QUALIFIÉE DE SERVICE STALLED BY A QUALIFIED SERVICE AGENCY IN CONFORMÉMENT AUX INSTRUCTIONS DU FABRICANT ET ACCORDANCE WITH THE MANUFACTURER'S IN- TOUTES EXIGENCES ET CODES APPLICABLES DE STRUCTIONS AND ALL APPLICABLE CODES AND L'AUTORISÉS AVOIR LA JURIDICTION. SI L'INFORMATION REQUIREMENTS OF THE AUTHORIZED AGENCY DANS CETTE INSTRUCTION N'EST PAS SUIVIE HAVING
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IGNITE OFF ON CONTROL Step 5. Attach manometer to the manifold When reinstalling the ignitor assembly, use Inlet Pressure Test Port extreme care to prevent damage and break- side pressure test fitting and verify manifold age. Do not apply any leverage to the ignitor pressure reads 3.5 inches water column (0.87 assembly while restoring the retainer clip to kPa) for natural gas, and 10.0 inches water its original position. column (2.49 kPa) for propane gas. Manifold All Models Step 6. Refer to
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The manufacturer reserves the right to make changes at any time, without notice, in design, materials, specifications, prices and also to discontinue colors, styles and products. Consult your local distributor for fireplace code information. Printed in U.S.A. © 2006 by Lennox Hearth Products P/N 850,041M REV. A 02/2007 1110 West Taft Avenue • Orange, CA 92865 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 16
