P/N 850026M Rev. G 06/2011
This manual is one of a set of two supporting this product. Refer to P/N 875027M for Care and Operation Instructions.
Ce manuel est disponible en francais, simplement en faire la demande. Numéro de la pièce 850026CF.
INSTALLATION INSTRUCTIONS
Montebello®
Direct Vent Gas Fireplaces
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MODELS |
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MILLIVOLT: |
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ELECTRONIC: |
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LSM40MN-2 LSM45MN-2 |
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LSM40EN-2 |
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LSM40MP-2 LSM45MP-2 |
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LSM45EN-2 |
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Portland
INSTALLER: Leave this manual with the appliance. CONSUMER: Retain this manual for future reference.
INstallateur : Laissez cette notice avec l'appareil. Consommateur : Conservez cette notice pour consultation ultérieure.
US
OTL Report No. 116-F-22-5
This appliance may be installed in an aftermarket permanently located, manufactured home (USA only) or mobile 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 gases unless a certified kit is used.
WARNING/AVERTISSEMENT/AVISO
• HOT GLASS WILL CAUSE |
• UNE SURFACE VITRÉE CHAUDE |
• EL VIDRIO CALIENTE |
BURNS. |
PEUT CAUSER DES BRÛLURES. |
CAUSARÁ QUEMADURAS. |
• DO NOT TOUCH GLASS |
• LAISSER REFROIDIR LA SURFACE |
• USTED DEBE NUNCA |
UNTIL COOLED. |
VITRÉE AVANT D'Y TOUCHER. |
TOCAR EL VIDRIO CALIENTE. |
• NEVER ALLOW CHILDREN |
• NE PERMETTEZ JAMAIS À UN ENFANT |
• LOS NIÑOS DEBEN NUNCA |
TO TOUCH GLASS. |
DE TOUCHER LA SURFACE VITRÉE. |
TOCAR EL VIDRIO. |
WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result, causing property damage, personal injury, or death.
-Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
-WHAT TO DO IF YOU SMELL GAS:
•Do not try to light any appliance.
•Do not touch any electrical switch; do not use any phone in your building.
•Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.
•If you cannot reach your gas supplier, call the fire department.
-Installation and service must be performed by a qualified installer, service agency or the gas supplier.
AVERTISSEMENT : Assurez-vous de bien suivre les instructions données dans cette notice pour réduire au minimum le risque d’incindie ou d’explosion ou pour éviter tout dommage matériel, toute blessure ou la mort.
-Ne pas entreposer ni utilizer d’essence ni d’autres vapeurs ou liquides inflammables dans le voisinage de cet appareil ou de tout autre appareil.
-QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ :
•Ne pas tenter d’allumer d’appareil.
•Ne touchez à aucan interrupteur. Ne pas vous servir des téléphones se trouvant dans le bâtiment où vous trouvez.
•Appelez immédiatement votre fournisseur de gaz depuis un voisin. Suivez les instructions du fournisseur.
•Si vous ne pouvez rejoindre le fournisseur de gaz, appelez le service des incindies.
-L’installation et l’entretien doivent être assurés par un installateur ou un service d’entretien qualifié ou par le fournisseur de gaz.
LENNOX HEARTH PRODUCTS • MONTEBELLO® DV GAS FIREPLACES (LSM40/45MN-2, LSM40/45MP-2, LSM40/45EN-2) • INSTALLATION INSTRUCTIONS
TABLE OF CONTENTS |
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Packaging.......................................... |
Page |
2 |
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Introduction....................................... |
Page |
2 |
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General Information........................... |
Page |
2 |
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Massachusetts and New York |
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Requirements................................ |
Page |
4 |
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Cold Climate Insulation...................... |
Page |
5 |
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Manufactured Home Requirements... |
Page |
5 |
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Location |
............................................. |
Page |
5 |
Vent Termination ............Clearances |
Page |
6 |
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Minimum Clearances to Combustibles.Page |
8 |
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Detailed .................Installation Steps |
Page |
9 |
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Typical Installation ............Sequence |
Page |
9 |
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Step 1. ............................... |
Framing |
Page |
9 |
Fireplace ...and Framing Specifications |
Page |
10 |
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Step 2. ................. |
Routing Gas Line |
Page |
11 |
Proper Sizing ..................of Gas Line |
Page |
11 |
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Step 3. ........ |
Install the Vent System |
Page |
12 |
Vertical Termination ............Systems |
Page |
13 |
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Vent Section .................Length Chart |
Page |
13 |
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Vertical Vent ........Tables and Figures |
Page |
16 |
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Horizontal ..........Termination System |
Page |
17 |
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Horizontal ....Vent Tables and Figures |
Page |
19 |
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Step 4. ......................... |
Field Wiring |
Page |
21 |
Step 5. |
Removing Glass Door |
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Frame ............................Assembly |
Page 22 |
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Step 6. ............ |
Connecting Gas Line |
Page |
22 |
Step 7. |
Checking Appliance |
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Operation....................................... |
Page |
23 |
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Step 8. ... |
Installing Logs and Panels |
Page |
24 |
Step 9. .......... |
Installing Glass Door |
Page |
26 |
Step10. ............. |
Burner Adjustments |
Page 26 |
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Finishing .....................Requirements |
Page |
28 |
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Step 11. Attaching Safety-in- |
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Operation ......................Warnings |
Page 29 |
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Installation .....................Accessories |
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30 |
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Gas Conversion .........................Kits |
Page 31 |
Please read and understand these instructions before beginning your installation.
2
PACKAGING
The assembled vented gas fireplace is packaged with:
1 - one envelope located in the firebox containing the literature package, which consists of the care and operation manual, installation instructions, safety in operation warning labels and warranty
2- one bag of glowing embers and volcanic stone
3 - one of the following brick liner kits:
a.Brick Liner Kit, Rustic
b.Brick Liner Kit, Herringbone
c.Brick Liner Kit, Old Cottage
d.Brick Liner Kit, Black.
e.Brick Liner Kit, Red Rustic
f.Brick Liner Kit, Red Herringbone
4 - one of the following log sets:
a.Birch Log set
b.Oak Log set 5 - pull screen
6 - door modesty shield
Introduction
The Millivolt appliances aredesignedtooperate on natural or propane gas and have a millivolt gas control valve with piezo ignition system.
The Electronic appliances are designed to operate on natural or propane gas and have a electronic intermittent pilot ignition system. No external electrical power is required to operate these units.
These vented gas fireplaces are sealed combustion gas fireplaces designed for residential applications.
Use Only These Approved Vent Components
- These fireplaces are designed, tested and listed for operation and installation with, the following (8" inner and 11" outer) vent components only:
•Secure Vent™ Direct Vent System Components manufactured by Security Chimneys International.
These approved vent system components are labeled for identification. DO NOT use any other manufacturer’s vent components with these appliances.
General Information
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 physicalbarrierisrecommended 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.
AVERTISSEMENT
Lesjeunesenfantsdevraientêtre surveillés étroitement lorsqu’ils se trouvent dans la même pièce que l’appareil. Les tout petits, les jeunes enfants ou les adultes peuvent subir des brûlures s’ils viennent en contact avec la surface chaude. Il est recommandé d’installer une barrière physique si des personnes à risques habitent la maison. Pour empêcher l’accès à un foyer ou à un poêle, installez une barrière de sécurité;cettemesureempêcherales tout petits, les jeunes enfants et toute autre personne à risque d’avoir accès à la pièce et aux surfaces chaudes.
Children and adults should be alerted to the hazards of high surface temperature and should stay away to avoid burns or clothing ignition.
Les enfants et les adultes devraient être informés des dangers que posent les températures de surface élevées et se tenir à distance afin d’éviter des brûlures ou que leurs vêtements ne s’enflamment.
Do not attempt to alter or modify the construction of the appliance or its components. Any modification or alteration may void the warranty, certification and Listings of this unit.
LENNOX HEARTH PRODUCTS • MONTEBELLO® DV GAS FIREPLACES (LSM40/45MN-2, LSM40/45MP-2, LSM40/45EN-2) • INSTALLATION INSTRUCTIONS
WARNING
Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this manual. For assistance or additional information consult a qualified installer, service agency or the gas supplier.
WARNING
Failure to comply with these installationinstructionswillresult in an improperly installed and operating appliance, voiding its warranty. Anychangetothisappliance and/or its operating controls is dangerous.
WARNING
Clothing or other flammable material should not be placed on or near the appliance.
AVERTISSEMENT
On ne devrait pas placer de vêtements ni d’autres matières inflammables sur l’appareil ni à proximité.
WARNING
Any safety screen or guard removed for servicing the appliance must be replaced prior to operating the appliance.
AVERTISSEMENT
Tout écran ou protecteur retiré pour permettre l’entretien de l’appareil doit être remis en place avant de mettre l’appareil en marche.
WARNING
Improper installation or use of this appliance can cause serious injury or death from fire, burns, explosion or carbon monoxide poisoning.
Note: Installation and repair should be done by a qualified service person. The appliance should be inspected before use and at least annually by a professional service person. More frequent cleaning may be required due to excessive lint from carpeting, bedding material, etcetera. It is imperative that control compartments, burners and circulating air passageways of the appliance be kept clean.
Remarque : L’installation et la réparation devrait être confiées à un technicien qualifié. L’appareil devrait faire l’objet d’une inspection par un technicien professionnel avant d’être utilisé et au moins une fois l’an par la suite. Des nettoyages plus fréquents peuvent être nécessaires si les tapis, la literie, et cetera produisent une quantité importante de pous-sière. Il est essentiel que les compartiments abritant les commandes, les brûleurs et les conduits de circulation d’air de l’appareil soient tenus propres.
Do not use these appliances if any part has been under water. Immediately call a qualified, professional service technician to inspect the appliance and to replace any parts of the control system and any gas control which have been under water.
Ne pas se servir de cet appareil s'il a été plongé dans l'eau, complètement ou en partie. Appeler un technicien qualifié pour inspecterl'appareiletremplacertoutepartie du système de contrôle et toute commande qui ont été plongés dans l'eau.
Only trim kit(s) supplied by the manufacturer shall be used in the installation of this appliance.
Seules les trousses de garniture fournies par le fabricant doivent être utilisées pour l’installation de cet appareil.
These appliances comply with National Safety Standards and are tested and listed by OMNITest Laboratories, Inc. (Report No. 116-F-22-5) to ANSI Z21.50 (in Canada, CSA-2.22), and CAN/CGA-2.17-M91 in both USA and Canada, as vented gas fireplaces.
Both millivolt and electronic versions of these appliances are listed by OMNI-Test Laboratories for installation in bedrooms and mobile homes.
Misc. Codes / Standards -
The Installation must conform to local codes. In the absence of local codes, installation must comply with the current National Fuel Gas Code, ANSI Z223.1. (In Canada, the current CAN/ CSA-B149.1 installation code).
The appliance, when installed, must be electrically grounded in accordance with local codes or, in the absence of local codes, with the
National Electrical Code, ANSI/NFPA 70 - latest edition, or the Canadian Electrical Code, CSA C22.1 - latest edition.
Provide adequate clearances around air openings and adequate accessibility clearance for service and proper operation. Never obstruct the front openings of the appliance.
These appliances are designed to operate on natural or propane gas only. The use of other fuels or combination of fuels will degrade the performance of this system and may be dangerous.
These fireplaces are designed as supplemental heaters. Therefore, it is advisable to have an alternate primary heat source when installed in a dwelling.
Millivolt Models - The millivolt appliances are manually controlled and feature a spark igniter (piezo) that allows the appliance's pilot gas to be lit without the use of matches or batteries. This system provides continued service in the event of a power outage.
The Millivolt models come standard with the manually-modulated gas valve; flame appearance and heat output can be controlled at the gas valve. The BTU Input for these appliances is shown in Table 1.
Electronic Models - The electronic appliances are manually controlled and feature an electronic intermittent pilot ignition system. External electrical power is required to operate these units.
Electronic models come standard with a manually-modulated gas valve; flame appearance and heat output can be controlled at the gas valve. The BTU Input for these appliances is shown in Table 1.
Input (BTU/HR) - All Models
Model No. |
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Input (BTU/Hr) |
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Natural Gas |
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LSM40-2 |
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40,000 to 50,000 |
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LSM45-2 |
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47,000 to 60,000 |
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Propane Gas |
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LSM40-2 |
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40,000 to 50,000 |
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LSM45-2 |
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48,000 to 60,000 |
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Table 1
3
LENNOX HEARTH PRODUCTS • MONTEBELLO® DV GAS FIREPLACES (LSM40/45MN-2, LSM40/45MP-2, LSM40/45EN-2) • INSTALLATION INSTRUCTIONS
Gas Pressure - All Models
Tables 2 and 3 show the appliances' inlet and manifold gas pressure requirements:
Inlet Gas Supply Pressure
(all models)
Fuel # |
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Minimum |
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Maximum |
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Natural Gas |
5.5" WC |
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10.5" WC |
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(1.37 kPa) |
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(2.61 kPa) |
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Propane |
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11.0" WC |
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13.0" WC |
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(2.74 kPa) |
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(3.23 kPa) |
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Table 2 |
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Manifold Gas Supply Pressure |
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(all models) |
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Fuel # |
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Low |
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High |
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Natural |
(Lo) 2.2" WC |
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(Hi) 3.5" WC |
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Gas |
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(.55 kPa) |
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(.87 kPa) |
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Propane |
(Lo) 6.3" WC |
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(Hi) 10.0" WC |
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(1.57 kPa) |
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(2.49 kPa) |
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Table 3
Test gauge connections are provided on the front of the millivolt and electronic gas control valve (identified IN for the inlet and OUT for the manifold side).
Propane tanks are at pressures that will cause damage to valve components. Verify that the tanks have step down regulators to reduce the pressure to safe levels.
These appliances must be isolated from the gas supply piping system (by closing their individual manual shut-off valve) during any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 psig (3.5 kPa).
These appliances and their individual shut-off valves must be disconnected from the gas supply piping system during any pressure testing of that system at pressures greater than 1/2 psig (3.5 kPa).
These appliances must not be connected to a chimney or flue serving a separate solid fuel burning appliance.
4
Orifice Sizes - Sea Level To High Altitude
(All Models)
These appliances are tested and approved for installation at elevations of 0-4500 feet (0-1372 meters) above sea level, using the standard burner orifice sizes (marked with an "*" in Table 4). For elevations above 4500 feet, contact your gas supplier or qualified service technician.
Deration - At higher elevations, the amount of BTU fuel value delivered must be reduced by either:
•Using gas that has been derated by the gas company.
•Changing the burner orifice to a smaller size as regulated by the local authorities having jurisdiction and by the (USA) National Fuel
Gas Code NFPA 54/ANSI Z223.1 - latest edition or, in Canada, the CAN/CSA-B149.1 codes - latest edition.
Install the appliance according to the regulations of the local authorities having jurisdiction and, in the USA, the National Fuel Gas Code NFPA 54 / ANSI Z223.1 - latest edition or , in Canada, the CAN/CSA-B149.1- latest edition.
NOTE: Flame appearance will diminish 4% per thousand feet.
Burner Orifice Sizes Elevation 0-4500 feet ( 0-1372 meters)
Model |
Nat.Gas |
Propane |
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drill size (inches) |
drill size (inches) |
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LSM40-2 |
.1405" (#28)* |
.086" (#44)* |
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• H2286 |
• H2287 |
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LSM45-2 |
.161" (#20)* |
.093" (#42)* |
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• H2288 |
• H4816 |
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Table 4 |
* Standard size installed at factory |
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• Part /Cat. Number |
Gas Valve Diagrams
See Figure 1 for Millivolt models and Figure 2 For Electronic Models.
Gas Supply Inlet
Inlet Pressure
Gauge Port
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TIN |
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ILO |
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F |
P |
T |
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OU |
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O |
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F |
ti |
N |
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O |
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Manifold |
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Pressure |
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L |
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Gauge Port |
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H |
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W |
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I |
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O |
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P
I
L
O
T
Main Gas
Control Knob
Off / Pilot / On
Hi / Lo |
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Pilot |
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Variable Flame |
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Adjustment |
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Height Adjustment |
TPTH TP TH |
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Screw |
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Gas Outlet to Burner
Figure 1 - SIT Millivolt Gas Valve
Gas Supply Inlet
Inlet Pressure
Gauge Port Hi / Lo
Variable Flame
Height
Adjustment
HI |
LO |
Manifold
Pressure
Gauge Port
Pilot Adjustment
Screw Gas Outlet to Burner
Figure 2 - SIT Electronic Gas Valve
REQUIREMENTS FOR THE COMMONWEALTH OF MASSACHUSETTS
These fireplaces are approved for installation in the US state of Massachusetts if the following additional requirements are met:
•Install this appliance in accordance with
Massachusetts Rules and Regulations 248 C.M.R.
•Installation and repair must be done by a plumber or gas fitter licensed in the Commonwealth of Massachusetts.
•The flexible gas line connector used shall not exceed 36 inches (92 centimeters) in length.
•The individual manual shut-off must be a
T-handle type valve.
Massachusetts Horizontal Vent Requirements
In the Commonwealth of Massachusetts, horizontal terminations installed less than seven
(7) feet above the finished grade must comply with the following additional requirements:
•A hard wired carbon monoxide detector with an alarm and battery back-up must be installed on the floor level where the gas fireplace is installed. The carbon monoxide detector must comply with NFPA 720, be ANSI/UL 2034 listed and be ISA certified.
•A metal or plastic identification plate must be permanently mounted to the exterior of the building at a minimum height of eight (8) feet above grade and be directly in line with the horizontal termination. The sign must read, in print size no less than one-half (1/2) inch in size, GAS VENT DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS.
NEW YORK CITY, NEW YORK (MEA)
Installation of these fireplaces are approved for installation in New York City in the US state of New York.
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MONTEBELLO® DV GAS FIREPLACES (LSM40/45MN-2, LSM40/45MP-2, LSM40/45EN-2) • INSTALLATION INSTRUCTIONS
Cold Climate Insulation
For cold climate installations, seal all cracks around your appliance with noncombustible material and wherever cold air could enter the room. It is especially important to insulate outside chase cavity between studs and under floor on which appliance rests, if floor is above ground level. Gas line holes and other openings should be caulked or stuffed with unfaced fiberglass insulation.
If the fireplace is being installed on a cement slab in cold climates, a sheet of plywood or other raised platform can be placed underneath to prevent cold transfer to the fireplace and into the room. It also helps to sheetrock inside surfaces and tape for maximum air tightness
and caulk firestops.
MANUFACTURED HOME
REQUIREMENTS
This appliance may be installed in an aftermarket permanently located, manufactured home and must be installed in accordance with the manufacturer's instructions and the Manufactured Home Construction and Safety Standard, Title 24 CFR, Part 3280, in the United States, or the Standard for Installation in Mobile Homes, CAN/ CSA Z240 MH Series, in Canada.
Cet appareil peut être installé cómme du matériel d'origine dans une maison préfabriquée (É.U. seulement) ou mobile et doit être installé selon les instructions du fabricant et conformément
àla norme Manufactured Home Constructions and Safety, Title 24 CFR, Part 3200 aux Unis ou
àla norme Can/CSA-Z240 Série MM, Maisons mobiles au Canada.
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 gases, unless a certified kit is used.
Cet appareil doit être utilisé uniquement avec le type de gaz indiqué sur la plaque signalétique. Cet appareil ne peut être converti à d'autres gaz, sauf si une trousse de conversion est utilisée.
CAUTION: Ensure that the cross members are not cut or weakened during installation. The structural integrity of the manufactured home floor, wall, and ceiling / roof must be maintained.
CAUTION: This appliance must be grounded to the chassis of the manufactured home in accordance with local codes or in the absence of local codes, with the National Electrical Code ANSI / NFPA 70 - latest edition or the Canadian Electrical Code CSA C22.1 - latest edition.
Cross |
Corner |
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Flat Application |
Application |
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Application |
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Application |
WallonFlat Application |
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Room Divider |
Island |
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Application |
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Drywall |
Recessed |
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Top Of Firepl
Opening
Non-Combustible
When the unit is installed with one side flush with a wall, |
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HORIZONTAL VENT |
VERTICAL VENT |
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the wall on the other side of the unit must not extend |
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beyond the front edge of the unit. |
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Figure 3 - Typical Installation
LOCATION
In selecting the location, the aesthetic and functional use of the appliance are primary concerns. However, vent system routing to the exterior and access to the fuel supply are also important.
Due to high temperatures, the appliance should be located out of traffic and away from furniture and draperies (Figure 3).
Enraisondestempératuresélevées,l’appareil devrait être installé dans un endroit où il y a peu de circulation et loin du mobilier et des tentures (Figure 3).
The location should also be free of electrical, plumbing or other heating/air conditioning ducting.
These direct-vent appliances are uniquely suited for installations requiring a utility shelf positioned directly above the fireplace. Utility shelves like these are commonly used for locat-ing television sets and decorative plants.
Be aware that this is a heat producing appliance. Objects placed above the unit are exposed to elevated temperatures.
Do not insulate the space between the appliance and the area above it (see Figure 8 on Page 8).
The minimum height from the base of the appliance to the underside of combustible materials used to construct a utility shelf in this fashion is shown in Figure 8 on Page 8.
The appliance should be mounted on a fully supported base extending the full width and depth of the unit. The appliance may be located on or near conventional construction materials. However, if installed on combustible materials, such as carpeting, vinyl tile, etc., a metal or wood barrier covering the entire bottom surface must be used.
5
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MONTEBELLO® DV GAS FIREPLACES (LSM40/45MN-2, LSM40/45MP-2, LSM40/45EN-2) • INSTALLATION INSTRUCTIONS
VENT TERMINATION CLEARANCES
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/CSA-B149.1 in Canada.
Vertical Vent Termination Clearances
Terminate multiple vent terminations according to the installation codes listed above. Also see
Figure 4.
Terminate single vent caps relative to building components according to Figure 5.
12” (305mm) Minimum
Figure 4 - Multiple Terminations
Vertical Vent Termination Clearances
TERMINATION HEIGHTS FOR VENTS ABOVE FLAT OR SLOPED ROOFS
Horizontal Overhang
2 FT MIN.
Vent
Termination
Storm Collar
Flashing
Concentric
Vent Pipe
2 FT |
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Vertical |
MIN. |
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Wall |
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Lowest
Discharge
Opening
H*
X
12
Roof Pitch is X/12
1 inch (25.4 mm) Minimum Clearance to Combustibles
*H = MINIMUM HEIGHT FROM ROOF TO LOWEST DISCHARGE OPENING OF VENT
The vent / air intake termination clearances above the high side of an angled roof is as shown in the following chart:
Figure 5
Termination Heights For Vents
Above Flat Or Sloped Roofs
Ref. NFPA 54 / ANSI Z223.1
Roof Pitch |
* Feet |
*Meters |
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Flat to 6/12 |
1.0 |
0.3 |
6/12 to 7/12 |
1.25 |
0.38 |
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7/12 to 8/12 |
1.5 |
0.46 |
8/12 to 9/12 |
2.0 |
0.61 |
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9/12 to 10/12 |
2.5 |
0.76 |
10/12 to 11/12 |
3.25 |
0.99 |
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11/12 to 12/12 |
4.0 |
1.22 |
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12/12 to 14/12 |
5.0 |
1.52 |
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14/12 to 16/12 |
6.0 |
1.83 |
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16/12 to 18/12 |
7.0 |
2.13 |
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18/12 to 20/12 |
7.5 |
2.29 |
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20/12 to 21/12 |
8.0 |
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Horizontal Vent Termination Clearances
The horizontal vent termination must have a minimum of 3" (76 mm) clearance to any overhead combustible projection of 2-1/2" (64 mm) or less (see Figure 6). For projections exceeding
2-1/2" (64 mm), see Figure 7. For additional vent location restrictions refer to Figure 7 on Page 7.
Horizontal Vent Termination Clearances
Combustible Projection 2-1/2 inches or less in length
Combustible Projection greater than 2-1/2 inches in length
Ventilated Or
Unventilated Soffit
3" (76 mm)
24" (610 mm)
Termination Kit
Figure 6 - Side Elevation View
See Figure 30 on Page 18 for the recess allowances, intoexteriorwalls,ofthesquarehorizontalterminations.
6
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MONTEBELLO® DV GAS FIREPLACES (LSM40/45MN-2, LSM40/45MP-2, LSM40/45EN-2) • INSTALLATION INSTRUCTIONS
Exterior HORIZONTAL Vent TERMINATION Clearance Requirements
* See Item D in the Text Below. |
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Exterior Wall |
Center Line |
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Inside |
Different Clearances. |
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Corner Detail |
NOTE: Location Of The Vent Termination Must Not |
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24"*18” |
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Horizontal |
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G |
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Interfere With Access To The Electrical Service. |
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Termination |
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36"18” |
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Ventilated Soffit |
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V |
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A |
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Inside Corner |
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A |
= 9" in U.S. |
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DETAIL D |
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= 12" in Canada |
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H |
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3 ft. |
B |
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C |
B |
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X |
A |
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D |
E |
V |
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Fixed |
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Operable |
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Closed |
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Window |
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3 ft. |
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F |
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Window |
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C |
B |
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J |
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V |
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C |
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C |
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X |
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A |
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I |
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X = Air Supply Inlet |
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V |
= Vent Terminal |
= Area where Terminal is NOT permitted |
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K |
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Minimum Clearances |
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Canadian Installation * |
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US Installation ** |
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A = Clearance above grade, veranda, porch, deck |
12 inches (30 cm) * |
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12 inches (30 cm) ** |
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or balcony. |
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B=Clearancetowindowordoorthatmaybeopened. |
6 in. (15.2 cm) for appliances < 10,000 BTU/hr (3kW), |
6 in. (15.2 cm) for appliances < 10,000 BTU/hr (3kW), |
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12 in. (30 cm) for appliances > 10,000 BTU/hr (3kW) and < |
9in.(23cm)forappliances>10,000BTU/hr(3kW)and< |
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100,000 BTU/hr (30kW), 36 inches (91 cm) for appliances |
50,000BTU/hr(15kW), 12inches(30cm)forappliances |
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> 50,000 BTU/hr (15kW)* |
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C = Clearance to permanently closed window |
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12 inches (305 mm) recommended to prevent window |
9 inches (229 mm) recommended to prevent window |
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condensation |
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condensation |
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D = Vertical clearance to ventilated soffit located |
24 inches (61.0 cm) |
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24 inches (61.0 cm) |
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above the terminal within a horizontal distance of |
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36 in. (91.4cm) from the center line of the terminal |
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E = Clearance to unventilated soffit |
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24 inches (61.0 cm) |
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24 inches (61.0 cm) |
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F = Clearance to outside corner |
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5 inches (12.7 cm) |
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5 inches (12.7 cm) |
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G = Clearance to inside corner |
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36" (91.4 cm) |
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24 inches (61.0 cm) |
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H = Clearance to each inside of center line extended |
3 feet (91 cm) within a height of 15 feet above the meter / |
3 feet (91 cm) within a height of 15 feet above the meter |
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above meter / regulator assembly |
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regulator assembly * |
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/ regulator assembly ** |
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I = Clearance to service regulator vent outlet |
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3 feet (91 cm) * |
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3 feet (91 cm) ** |
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J = Clearance to non-mechanical air supply inlet |
6 in. (15.2 cm) for appliances < 10,000 BTU/hr (3kW), 12 |
6 in. (15.2 cm) for appliances < 10,000 BTU/hr (3kW), 9 |
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to building or the combustion air inlet to any other in. (30 cm) for appliances > 10,000 BTU/hr (3kW) and < |
in. (23 cm) for appliances > 10,000 BTU/hr (3kW) and < |
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appliance |
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100,000 BTU/hr (30kW), 36 inches (91 cm) for appliances |
50,000BTU/hr(15kW), 12inches(30cm)forappliances |
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> 50,000 BTU/hr (15kW)* |
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K = Clearance to mechanical air supply inlet |
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6 feet (1.83 meters) * |
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3 feet (91 cm) above, if within 10 feet (3 m) horizontally** |
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L = Clearance above paved sidewalk or paved |
7 feet (2.13 m) ‡ |
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7 feet (2.13 m) ‡ |
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driveway located on public property |
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M = Clearance under veranda, porch, deck or |
18 in. (46.0 cm) * ‡ |
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18 in. (46.0 cm) ** ‡ |
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balcony |
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* In accordance with the current CSA-B149.1 National Gas and B149.2 Propane Installation Code - Latest Editions. |
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** In accordance with the current ANSI Z223.1 / NFPA 54 National Fuel Codes - Latest Edition. |
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‡ A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings and serves both dwellings. |
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*‡ Only permitted if veranda, porch, deck or balcony is fully open on a minimum 2 sides beneath the floor. |
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Figure 7
7
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MONTEBELLO® DV GAS FIREPLACES (LSM40/45MN-2, LSM40/45MP-2, LSM40/45EN-2) • INSTALLATION INSTRUCTIONS
MINIMUM CLEARANCES TO COMBUSTIBLES
The appliance is approved with zero clearance to combustible materials on all sides (as detailed in Table 5), with the following exception: When the unit is installed with one side flush with a wall, the wall on the other side of the unit must not extend beyond the front edge of the unit. In addition, when the unit is recessed, the side walls surrounding the unit must not extend beyond the front edge of the unit (see Figure 3).
APPLIANCE MINIMUM CLEARANCES*
Inches (millimeters)
Sides |
1/2 (13), 0 (0) Spacers ** |
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Top Spacers |
0 (0) |
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Floor |
0 (0) |
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Back |
1/2 (13), 0 (0) Spacers |
Bottom of Appliance To Ceiling |
69 (1743) |
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Vent |
3 (76) Top* / 1 (25.4) Sides & Bottom |
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SERVICE CLEARANCES Feet (meters) |
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Front |
3 feet (0.9 meters) |
Table 5
*Note: 3 in. (75 mm) above any horizontal/inclined vent component.
**Note: See Page 9, Step 1 for clearance requirements to the nailing flange located at each side of the unit and any screw heads adjacent to it.
The appliance should be mounted on a fully supported base extending the full width and depth of the unit. The appliance may be located on or near conventional construction materials. However, if installed on combustible materials, such as carpeting, vinyl tile, etc., a metal or wood barrier covering the entire bottom surface must be used.
Shelf Height
To provide for the lowest possible shelf surface, the venting attached to the top vent should be routed in a way to minimize obstructions to the space above the appliance. Do not insulate the space between the appliance and the area above it (see Figure 8). The minimum height from the base of the appliance to the underside of combustible materials used to construct a utility shelf in this fashion is shown in Figure 8.
Wall Finishes / Surrounds / Mantels
Note: Combustible wall finish materials and/or surround materials must not be allowed to encroach the area defined by the appliance front face (black sheet metal). Never allow combustible materials to be positioned in front of or overlapping the appliance face. See Figure 10 and Figure 53 on Page 28.
Non-combustible materials, such as surrounds and other appliance trim, may be installed on the appliance front face with these exceptions: they must not cover any portion of the removable glass panel.
Vertical installation clearances to combustible mantels vary according to the depth of the mantel. See Figure 9. Mantels constructed of noncombustible materials may be installed at any height above the appliance opening.
NOTE: We recommend the use of high temperature paint (rated 175° F or higher) on the underside of the mantel.
8
Combustible Shelf Height - Inches (millimeters)
Top Vent - with 2 Feet Vertical Vent and One 90 Degree Elbow
Model |
Secure Vent |
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LSM40-2 |
*84-1/16 (2135) |
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LSM45-2 |
89-1/16 (2252) |
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* Includes 3” clearance to combustibles (required above vent components)
Do not insulate the space between the appliance and the area above it.
Shelf Height
(see table)
2 Foot Vertical |
Vent (Min.) |
Figure 8 |
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Shelf Above Fireplace With Top Venting |
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12 (305) MANTEL |
MANTEL |
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10 (254) |
MANTEL |
CLEARANCES |
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8 (203) |
MANTEL |
Inches (mm) |
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17 |
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6 (152) |
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MANTEL |
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(432) |
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15 |
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4 (102) |
MANTEL |
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(381) |
13 |
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(330) |
11 |
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2 (51) |
MANTEL |
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(279) |
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(229) |
7 |
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(178) |
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Fireplace |
Figure 9 |
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Top of Appliance |
(side view) |
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Combustible Materials |
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Allowed In Shaded Area |
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"Safe Zone" |
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Top View of |
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Fireplace |
12" |
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45° |
5" |
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17" |
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8-1/4” |
Minimum Distance to |
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Protected Side Wall |
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Side |
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Wall |
Side |
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Wall |
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14" |
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Minimum Distance to |
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Unprotected Side Wall |
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Figure 10 |
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NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MONTEBELLO® DV GAS FIREPLACES (LSM40/45MN-2, LSM40/45MP-2, LSM40/45EN-2) • INSTALLATION INSTRUCTIONS
WARNING
Failure to position the parts in accordance with these diagrams or failure to use only parts specificallyapprovedwiththisappliance may result in property damage or personal injury.
AVERTISSEMENT
Risque de dommages ou de blessures si les pièces ne sont pas installées conformément à ces schémas et ou si des pièces autres que celles spécifiquement approuvéesaveccetappareilsont utilisées.
DETAILED INSTALLATION STEPS
The appliance is shipped with all gas controls and components installed and pre-wired.
1.Remove the shipping carton, exposing the front glass door on the valve access side.
2.Using a Phillips screwdriver, unfasten two (2) screws located at the top of the glass frame (see Figure 49). Tilt the top of the glass frame away from the unit. Lift it carefully off the bottom door track and set the door aside, protecting it from inadvertent damage.
TYPICAL INSTALLATION SEQUENCE
The typical sequence of installation is outlined below. However, each installation is unique and may result in variations to the steps described.
See the Page numbers references in the following steps for detailed procedures.
Step 1. (Page 9) Construct the appliance framing. Position the appliance within the framing and secure with nailing brackets.
Step 2. (Page 11) Route gas supply line to the right side.
Step 3. (Page 12) Install the vent system and exterior termination.
Step 4. (Page 21) Field Wiring
a.Millivolt and Electronic Appliances – The operating control switch is factory installed.
b.Electronic Appliances – Connect 120 Vac electrical power to the appliance receptacle.
Step 5. (Page 22) Remove glass door assembly.
Step 6. (Page 22) Make connection to gas supply.
Step 7. (Page 23) Verifying appliance operation.
Step 8. (Page 24) Install ceramic panels, logs and glowing embers.
Step 9. (Page 26) Install glass door assembly.
Step 10. (Page 26) Adjust burner to ensure proper flame appearance.
Step 11. (Page 29) Attach Safety in Operation Warnings.
Step 1. Framing
Frame these appliances as illustrated in Figure 12 on Page 10, unless the appliance is to be installed in a corner. See Figure 13 on Page 11 for corner framing installations. All framing details must allow for a minimum clearance to combustible framing members as shown in
Table 5 on Page 8.
If the appliance is to be elevated above floor level, a solid continuous platform must be constructed below the appliance.
Headers may be in direct contact with the appliance top spacers but must not be supported by them or notched to fit around them. All construction above the appliance must be self-supporting, DO NOT use the appliance for structural support.
The fireplace should be secured to the side framing members using the unit's nailing flanges - one top and bottom on each side of the fireplace front (see Figure 11). Use 8d nails or their equivalent.
Use Top Flange For
1/2” Thick Drywall
Front Of
Fireplace
Use Center Flange
For Flush Mount
Use Bottom Flange For
5/8” Thick Drywall
Left Side Front Corner of Fireplace Shown
(Right Side Requirements the Same)
Unit Being Secured By Its Nailing Flanges
To The Framing
Note: The nailing flanges, combustible members and screw heads located in areas directly adjacent to the nailing flanges, are EXEMPT from the 1/2” clearance to combustible requirements for the firebox outer wrapper. Combustible framing may be in direct contact with the nailing flanges and may be located closer than 1/2” from screw heads and the firebox wrapper in areas adjacent to the nailing flanges. Frame the opening to the exact dimensions specified in the framing details of this manual.
Unit Being Secured by Its Nailing Flanges to the Framing
Figure 11
9
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MONTEBELLO® DV GAS FIREPLACES (LSM40/45MN-2, LSM40/45MP-2, LSM40/45EN-2) • INSTALLATION INSTRUCTIONS
fireplace AND FRAMING specifications
Framing Dimensions
Models |
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B |
C |
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LSM40-2 |
in. |
50-3/4 |
43 |
75-1/8 |
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mm |
1289 |
1092 |
1908 |
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LSM45-2 |
in. |
56-7/8 |
48 |
80-1/16 |
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mm |
1445 |
1219 |
2034 |
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Efficiencies % |
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Natural Gas |
Propane |
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Models |
P4 |
P4 |
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LSM40M |
35% |
38.1 |
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LSM40E |
35.8 |
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LSM45M |
50.8 |
42.3 |
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LSM45E |
51.2 |
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E |
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D |
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5-1/4” |
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(133) |
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14-1/8 |
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8-1/2” |
(359) |
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(216) |
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Top View |
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J |
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8-3/8 |
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5-3/32 (129) |
(213) |
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G |
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H |
B |
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F
A
Front View
VENT FRAMING-
TOP VENT WITH 2 FEET VERTICAL VENT AND ONE 90° ELBOW
Framing should be constructed of 2x4 or larger lumber.
13 (330)
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8-1/2 |
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6-1/2 |
(216) |
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15 |
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(165) |
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(381) |
B C
25-1/4
(641)
1/2 A
A
Inches (mm)
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26-15/32 |
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(672) |
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25-29/32 |
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(658) |
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25-1/2 |
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(648) |
Notes |
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Diagrams, illustrations and photo- |
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graphs are not to scale – consult |
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installation instructions. Product |
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2-1/2 (64) |
designs, materials, |
dimensions, |
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specifications, colors and prices are |
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7 |
Gas Inlet |
subject to change or discontinuance |
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(This |
without notice. |
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(178) |
Side |
C |
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Only) |
Vent Size |
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19-5/8 |
Electrical |
Co-axial DV |
8" Inner |
Inlet |
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(498) |
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Vent Size |
11" Outer |
Right Side View
Fireplace Dimensions
Model |
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A |
B |
C |
D |
E |
F |
G |
H |
J |
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No. |
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LSM40-2 |
in. |
50-5/8 |
37-1/4 |
42-7/8 |
25-5/16 |
34 |
37-5/8 |
33-3/32 |
29-9/32 |
34-3/4 |
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mm |
1286 |
946 |
1089 |
643 |
864 |
956 |
840 |
744 |
883 |
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LSM45-2 |
in. |
56-11/16 |
42-1/4 |
47-7/8 |
28-3/8 |
40-1/8 |
43-5/8 |
38-3/32 |
34-1/2 |
40-59/64 |
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mm |
1440 |
1073 |
1216 |
721 |
1019 |
1108 |
968 |
876 |
1039 |
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Figure 12
10
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MONTEBELLO® DV GAS FIREPLACES (LSM40/45MN-2, LSM40/45MP-2, LSM40/45EN-2) • INSTALLATION INSTRUCTIONS
Model |
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A |
B |
C |
D |
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No. |
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LSM40-2 |
in. |
50-5/8 |
83-5/8 |
59-1/8 |
41-7/8 |
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mm |
1286 |
2124 |
1502 |
1064 |
C |
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D |
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in. |
56-3/4 |
89-7/8 |
63-1/2 |
44-7/8 |
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LSM45-2 |
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mm |
1441 |
2283 |
1613 |
1140 |
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A
B
Back wall of chase/enclosure (including any finishing materials)
Figure 13 - Corner Framing with Square Termination (SV8HTS)
Step 2. Routing Gas Line |
Never use galvanized or plastic pipe. |
Refer |
Notes: |
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to Table 6 for proper sizing of the gas sup- |
• |
All appliances are factory-equipped with |
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Route a 1/2" (13 mm) gas line along the inside |
ply line, if black iron pipe is being used. Gas |
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a flexible gas line connector and 1/2 inch |
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of the right side framing as shown in Figure |
lines must be routed, constructed and made |
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shutoff valve (see Figure 37 on Page 22). |
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14. Gas lines must be routed, constructed and |
of materials that are in strict accordance with |
• SeeMassachusetts Requirements on Page |
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made of materials that are in strict accordance |
local codes and regulations. |
We recommend |
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4 for additional requirements for installations |
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with local codes and regulations. |
that a qualified individual such as a plumber or |
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in the state of Massachusetts in the USA. |
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All appliances are factory-equipped with a |
gas fitter be hired to correctly size and route |
• ThegassupplylineshouldNotbeconnected |
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flexible gas line connector and 1/2 inch shutoff |
the gas supply line to the appliance. Installing |
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to the appliance until Step 6 (Page 22). |
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valve. (See Step 6 on Page 22). |
a gas supply line from the fuel supply to the |
• Apipejointcompoundratedforgasshouldbe |
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appliance involves numerous considerations of |
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usedonthethreadedjoints.Ensure propane |
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The incoming gas line should be piped into the |
materials, protection, sizing, locations, controls, |
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resistant compounds are used in propane |
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valve compartment and connected in one of the |
pressure, sediment, and more. Certainly no one |
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applications. Be very careful that the pipe |
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two methods as shown in Figure 37 on Page 22. |
unfamiliar and unqualified should attempt sizing |
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compound does not get inside the pipe. |
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or installing gas piping. |
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• It is recommended to install a sediment trap |
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in the supply line as close as possible to the |
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Schedule 40 |
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appliance (see Figure 37). Appliances using |
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propane should have a sediment trap at the |
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Right Side |
Black Iron Pipe |
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base of the tank. |
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Inside Diameter (Inches) |
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Front Corner |
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• Check with local building official for local |
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Of Fireplace |
Schedule 40 Pipe |
Natural |
Propane |
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code requirements (i.e. are below grade |
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Framing |
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Length (feet) |
Gas |
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Gas |
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penetrations of the gas line allowed?, etc.). |
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0-10 |
1/2 |
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3/8 |
IMPORTANT: If propane is used, be aware that |
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10-40 |
1/2 |
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1/2 |
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19-5/8” |
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if tank size is too small (i.e. under 100-lbs, if |
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40-100 |
1/2 |
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1/2 |
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(498 mm) |
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this is the only gas appliance in the dwelling. |
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6-1/4” |
100-150 |
3/4 |
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1/2 |
Ref. NPFA 58), there may be loss of pressure, |
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(159 mm) |
150-200 |
3/4 |
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1/2 |
resulting in insufficient fuel delivery (which |
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Figure 14 |
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can result in sooting, severe delayed ignition |
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Table 6 |
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or other malfunctions). Any damage resulting |
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from an improper installation, such as this, |
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Proper Sizing of Gas Line |
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is not covered under the limited warranty. |
Properly size and route the gas supply line |
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from the supply regulator to the area where the |
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appliance is to be installed per requirements |
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outlined in the National Fuel Gas Code, NFPA |
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54 - latest edition (USA) or CAN/CSA-B149.1 |
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- latest edition (Canada). |
11 |
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NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.