WARNING /AVERTISSEMENT/AVISO

CARE AND OPERATION INSTRUCTIONS
B-Vent Gas Fireplaces
42" LMBV Models
P/N 875034M Rev. D 04/2013
This manual is one of a set of two supporting this product.
Refer to P/N 850041M for Installation Instructions.
MODELS
This manual is available in French. Order P/N 506223-26.
Ce manuel est disponible en francais. Simplement en faire
la demande numéro de la pièce 506223-26.
WH Report No. 3106807
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.
Millivolt Models
Electronic Models
lmbv-42rmn
lmbv-42rmp
lmbv-42ren
Decorative Product: Not for use as a heating appliance.
NOTICE: Fireplace is not to be operated by a thermostat.
WARNING / AVERTISSEMENT/ AVISO
HOT GLASS WILL
CAUSE BURNS.
DO NOT TOUCH GLASS
UNTIL COOLED
NEVER ALLOW CHILDREN
TO TOUCH GLASS.
UNE SURFACE VITRÉE CHAUDE
PEUT CAUSER DES BRÛLURES.
LAISSER REFROIDIR LA SURFACE
VITRÉE AVANT D'Y TOUCHER.
NE PERMETTEZ JAMAIS À UN ENFANT
DE TOUCHER LA SURFACE VITRÉE.
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.
EL VIDRIO CALIENTE
CAUSARÁ QUEMADURAS.
USTED DEBE NUNCA
TOCAR EL VIDRIO CALIENTE.
LOS NIÑOS DEBEN NUNCA
TOCAR EL VIDRIO.
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 • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
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.
Register your product online today!
To help us keep you up-to-date on product information and offers, please take a few moments to
register your product online at
www.LennoxHearthProducts.com (> Owner Resources > Product Registration).
TABLE OF CONTENTS
Introduction
Introduction.......................................Page 2
Important Safety Information.............Page 2
Attaching "Safety-in-Operation"
Warnings............................. Page4
Appliance Installation, Service,
and Maintenance Notices...............Page5
Appliance Operation Notices..............Page5
Warranty Information.........................Page5
General Information...........................Page6
Operation/Care of Your Appliance......Page7
Optional Glass Door...........................Page8
Damper & Outside Air Controls..........Page8
Manual Limit Switch..........................Page9
Maintenance.......................................Page10
Log and Glowing Embers Placement....Page10
Burner Adjustments...........................Page 12
Millivolt Appliance Checkout..............Page13
Electronic Appliance Checkout...........Page13
Replacement Parts.............................Page13
Product Reference Information..........Page13
Wiring Diagrams................................Page 14
Accessory Components.....................Page15
Lighting Instructions – Millivolt.........Page17
Lighting Instructions – Electronic......Page19
Maintenance Schedule.......................Page 21
Troubleshooting Guide – Millivolt......Page 22
Troubleshooting Guide – Electronic...Page 22
Replacement Parts List......................Page 24
The Millivolt appliances are designed to operate
on either natural or propane gas. A millivolt gas
control valve with piezo ignition system provides
safe, efficient operation.
Please read and understand these
instructions before beginning your
installation.
2
The Electronic appliances are designed to
operate on either natural or propane gas. An
electronic intermittent ignition system provides
safe, efficient operation. External electrical
power is required to operate these units.
These appliances comply with National Safety
Standards and are tested and listed by Warnock
Hersey (Report No. 3106807) to ANSI Z21.50,
latest edition (in Canada, CSA 2.22, latest edition), and CAN/CGA-2.17-M91 in both USA and
Canada, as vented gas fireplaces.
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 (NFPA 54). (In Canada, the current
CAN/CGA B149 installation code). Electrical
wiring must comply with local codes. In the
absence of local codes, installation must be in
accordance with the National Electrical Code,
NFPA 70 - latest edition (In Canada, the current
CSA C22.1 Canadian Electric Code).
Important Safety Information
1. Do not use this appliance if any part
has been under water. Immediately
call a qualified service technician to
inspect the appliance and to replace
any part of the control system and
any gas control which has been under
water.
2. Due to high temperatures, the
appliance should be located out of
traffic and away from furniture and
draperies.
3. Children and adults should be alerted
to the hazards of high surface
temperature and should stay away to
avoid burns or clothing ignition.
4. Clothing or other flammable material
should not be placed on or near the
appliance.
5. 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.
6. Any safety screen or guard removed
for servicing an appliance must
be replaced prior to operating the
appliance.
7. 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,
et cetera. It is imperative that
control compartments, burners,
and circulating air passageways of
the appliance be kept clean. See
maintenance instructions on Page 10.
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
Información importante de seguridad
1. No use este artefacto si alguna de sus partes ha estado bajo agua.
Llame de inmediato a un técnico de servicio calificado para que
inspeccione el artefacto y reemplace cualquier parte del sistema
de control y cualquier control de gas que haya estado bajo agua.
2. Debido a las altas temperaturas, el artefacto debe situarse fuera
de las áreas de tráfico y lejos del mobiliario y cortinas.
3. Se debe alertar a los niños y adultos sobre los peligros de
las altas temperaturas en la superficie y que se mantengan
alejados para evitar quemaduras o ignición de la ropa.
4. No debe colocarse ropa u otros materiales inflamables
sobre y cerca del artefacto.
L'information de sûreté importante
1. Ne pas utiliser cet appareil s’il a été plongé, même partiellement,
dans l’eau. Appeler un technicien qualifié pour inspecter
l’appareil et remplacer toute partie du système de commande
et toute commande qui a été plongée dans l’eau.
2. En raison des températures élevées, l’appareil devrait être installé
dans un endroit où il y a peu de circulation et loin du mobilier et
des tentures.
3. 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.
4. On ne devrait pas placer de vêtements ni d’autres matières
inflammables sur l’appareil ni à proximité.
5. Se debe supervisar de cerca a los niños cuando estén en el mismo
5. Les jeunes enfants devraient être surveillés étroitement lorsqu’ils
cuarto que el artefacto. Los niños pequeños, los jóvenes y otras
se trouvent dans la même pièce que l’appareil. Les tout petits,
personas pueden ser susceptibles a quemaduras por contacto
les jeunes enfants ou les adultes peuvent subir des brûlures s’ils
accidental. Se recomienda instalar una barrera física si hay
viennent en contact avec la surface chaude. Il est recommandé
personas en riesgo en la casa. Para restringir el acceso a una
d’installer une barrière physique si des personnes à risques habitent
chimenea o estufa, instale una puerta de seguridad ajustable
la maison. Pour empêcher l’accès à un foyer ou à un poêle, installez
para mantener a los niños pequeños, jóvenes y otras personas
une barrière de sécurité ; cette mesure empêchera les tout petits,
en riesgo fuera del cuarto y lejos de las superficies calientes.
les jeunes enfants et toute autre personne à risque d’avoir accès à
6. Cualquier malla o resguardo de seguridad quitado para dar servicio a
un artefacto, debe reinstalarse antes de operar el artefacto.
7. Una persona de servicio competente debe realizar la instalación y
reparación. Una persona de servicio profesional debe inspeccionar el
la pièce et aux surfaces chaudes.
6. Tout écran ou protecteur retiré pour permettre l’entretien de
l’appareil doit être remis en place avant de mettre l’appareil en
marche.
artefacto antes de usar al menos una vez por año. Se puede requerir
7. L’installation et la réparation devrait être confiées à un technicien
limpieza más frecuente debido a la pelusa excesiva del alfombrado,
qualifié. L’appareil devrait faire l’objet d’une inspection par un
del material de cobijas, etc. Es imprescindible mantener limpios
technicien professionnel avant d’être utilisé et au moins une fois l’an
los compartimientos de control, los quemadores y los pasajes
par la suite. Des nettoyages plus fréquents peuvent être nécessaires
de circulación del aire del artefacto. Ver las instrucciones de
si les tapis, la literie, et cetera produisent une quantité importante
mantenimiento en la página 10.
de poussière. Il est essentiel que les compartiments abritant les
commandes, les brûleurs et les conduits de circulation d’air de
l’appareil soient tenus propres. Voyez les instructions d’entretien
à la page 10.
3
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
HOMEOWNER’S INSTRUCTIONS - ATTACHING SAFETY IN OPERATION WARNINGS
Attaching Safety in Operation Warnings
Your fireplace has been furnished with safety instruction labels that are to be affixed to the operation and
control point of the fireplace. A safety instruction
label should be affixed to the wall switch plate where
the fireplace is turned on and off (See Figure A) and
if used on the remote control handheld transmitter
(Figure B). The warnings should already have been
put in place when the fireplace initial set-up was
completed. If they are not affixed at these spots,
locate the multi-lingual adhesive labels provided
with these instructions and proceed as follows:
1. Locate the wall switch that controls the fireplace
(verify the switch operates the fireplace by turning it on and off). Clean the wall switch plate
thoroughly to remove any dust and oils. Affix the
label to the surface of the plate of the wall switch
that controls the fireplace (Figure A). Choose
the language primarily spoken in the home.
2. If a remote control is used to control the fireplace,
locate the transmitter and clean it thoroughly
to remove any dust and oils. Affix the label to
the surface of handheld transmitter (Figure B).
Choose the language primarily spoken in the
home.
3. If you are unable to locate the labels, please call
Lennox Hearth Products or your nearest Lennox
Hearth Products dealer to receive additional
safety instruction labels free of charge.
Cat. No. H8024 Replacement Label Kit
LENNOX HEARTH PRODUCTS
1-800-655-2008
Note: English is red text on clear label. French and
Spanish are white text on black label.
SAFETY LABEL
DIAGRAMS
Apposition des mises en garde relatives
à la sécurité d’utilisation
Colocación de advertencias de seguridad
en operación
Votre foyer a été livré avec des étiquettes de sécurité qui
doivent être collées à côté des dispositifs de contrôle
du foyer. Une étiquette de sécurité devrait être collée
sur la plaque de l’interrupteur contrôlant l’allumage du
foyer (voir Figure A) et, le cas échéant, sur le boîtier
de la télécommande (Figure B). Les mises en garde
auraient dû être collées au moment de l’installation
initiale du foyer. Si ce n’est pas le cas, prenez les
étiquettes adhésives multilingues fournies avec ces
instructions et procédez comme suit:
1. Repérez l’interrupteur qui contrôle le foyer (vérifiez
que l’interrupteur contrôle le fonctionnement du
foyer en le faisant basculer de Marche à Arrêt, et
vice-versa). Nettoyez soigneusement la plaque
murale de l’interrupteur pour éliminer la poussière
et les traces de graisse ou d’huile. Collez l’étiquette
sur la surface de la plaque de l’interrupteur mural
qui contrôle le foyer (Figure A). Choisissez la langue
qui est principalement parlée dans la résidence
du propriétaire.
2. Si une télécommande est utilisée pour contrôler
le foyer, nettoyez la soigneusement pour éliminer
la poussière et les traces de graisse ou d’huile.
Collez l’étiquette sur le boîtier de la télécommande
(Figure B). Choisissez la langue qui est principale­
ment parlée dans la résidence du propriétaire.
3. Si vous ne trouvez pas les étiquettes, veuillez
appeler Lennox Hearth Products ou votre distribu­
teur Lennox Hearth Products local pour recevoir
gratuitement des étiquettes supplémentaires.
Su chimenea incluye etiquetas de instrucciones de
seguridad que deben colocarse en el punto de operación
y control de la chimenea. Se debe colocar una etiqueta
de instrucciones de seguridad en la placa del interruptor
de pared desde el cual se enciende y se apaga la
chimenea (ver la Figura A) y en el transmisor de control
remoto (Figura B) si se usa. Las advertencias ya deben
haberse colocado cuando se completó la instalación
inicial de la chimenea. Si no están colocadas en estos
lugares, encuentre las etiquetas adhesivas multilingües
proporcionadas con estas instrucciones y prosiga de
la siguiente manera:
1. Identifique el interruptor de pared que controla
la chimenea (verifique que el interruptor opera la
chimenea encendiéndola y apagándola). Limpie
bien la placa del interruptor de pared para quitar el
polvo y aceite. Pegue la etiqueta en la superficie de
la placa del interruptor que controla la chimenea
(Figura A). Seleccione el idioma que más se habla
en la casa.
2. Si se usa un control remoto para controlar la
chimenea, encuentre el transmisor y límpielo bien
para quitar el polvo y aceite. Pegue la etiqueta en la
superficie del transmisor (Figura B). Seleccione el
idioma que más se habla en la casa.
3. Si no puede encontrar las etiquetas, sírvase llamar a
Lennox Hearth Products o al distribuidor de Lennox
Hearth Products más cercano para recibir etiquetas
de instrucciones de seguridad adicionales gratuitas.
Étiquettes de remplacement, n° cat. H8024
LENNOX HEARTH PRODUCTS
1-800-655-2008
Remarque : Le texte anglais est rouge sur un support
transparent. Le texte français et espagnol est blanc
sur un support noir.
DIAGRAMMES DES ÉTIQUETTES
DE SÉCURITÉ
Juego de etiquetas de repuesto - Nº de cat. H8024
LENNOX HEARTH PRODUCTS
1-800-655-2008
Nota: La etiqueta en inglés es transparente con texto
rojo. Las etiquetas en francés y español son negras
con texto blanco.
DIAGRAMAS DE ETIQUETAS
DE SEGURIDAD
Illustrations are for example only.
Your accessories may be different.
Les illustrations sont par exemple
uniquement. Vos accessoires
peuvent être différents.
Figure A
Las ilustraciones son sólo ejemplos.
Tu accesorios pueden ser diferentes.
4
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Figure B
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
APPLIANCE INSTALLATION, SERVICE,
AND MAINTENANCE NOTICES
WARNING: Improper installation,
adjustment, alteration, service or
maintenance can cause injury or property
damage. Refer to the owner’s information
manual provided with this appliance.
For assistance or additional information
consult a qualified installer, service
agency or the gas supplier.
AVERTISSEMENT : Une installation, un
réglage, une modification, une réparation
ou un entretien mal effectué peut
causer des dommages matériels ou des
blessures. Voir la notice de l’utilisateur
qui accompgne l’appareil. Pour de l’aide
ou des renseignements supplémentaires,
consultez un installateur, un technicien
agréé ou le fournisseur de gaz.
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 must not be connected
to a chimney or flue serving a separate
solid fuel burning appliance.
Draft relief openings must not be covered
or blocked.
Any change to this appliance and/or its
operating controls is dangerous. Improper
installation or use of this appliance can
cause serious injury or death from fire,
burns, explosion or carbon monoxide
poisoning.
CARBON MONOXIDE POISONING: Early
signs of carbon monoxide poisoning are
similar to the flu with headaches, dizziness
and/or nausea. If you have these signs,
obtain fresh air immediately. Turn off the
gas supply to the appliance and have it
serviced by a qualified professional, as
it may not be operating correctly. Some
people are more affected by carbon
monoxide than others, including pregnant
women, people with heart or lung disease
or anemia, those under the influence of
alcohol, and those at high altitudes.
Turn off gas and electrical power to the
fireplace and allow it to cool before
cleaning or servicing the appliance.
APPLIANCE OPERATION NOTICES
WARRANTY INFORMATION
These fireplaces are vented gas
appliances. Do not burn wood or other
material in these appliances.
Your gas appliance is covered by a limited
life-time warranty. You will find a copy of
the warranty accompanying this manual.
Please read the warranty to be familiar
with its coverage.
This appliance is only for use with the
type of gas indicated on rating plate. This
appliance is not convertible for use with
other gases, unless a certified kit is used.
These appliances are designed to operate
on natural gas or propane gas only. The
use of other fuels or combinations of
fuels will degrade the performance of this
system and may be dangerous.
Cet appareil doit être utilisé uniquement
avec les types de gaz indiqués sur la
plaque signalétique. Ne pas l’utiliser avec
d’autres gaz sauf si un kit de conversion
certifié est installé.
Provide adequate clearances around
air openings and adequate accessibility
clearance for service and proper
operation. Never obstruct the front or
back openings of the appliance.
Do not use this appliance if any part has
been under water. Immediately call a
qualified service technician to inspect the
appliance and to replace any part of the
control system and any gas control that
has been under water.
These fireplaces are designed as decorative appliances and are not intended for
use as area heaters. They must not be
equipped with wall thermostats or remote
controls with thermostat functions.
CAUTION: Hot while in operation. Do not
touch. Severe Burns may result. Keep
children, clothing furniture, gasoline and
other liquids having flammable vapors
away.
Retain this manual. File it with your other
documents for future reference.
Failure to comply with the installation and
operating instructions provided will result
in an improperly installed and operating
appliance, voiding its warranty.
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.
NEGATIVE PRESSURE WARNING
WARNING
B-Vent appliances are not
designed to operate in negatively
pressured environments (pressure within the home is less than
pressures outside). Significant
negatively pressured environments caused by weather, home
design, or other devices may
impact the operation of these
appliances. Negative pressures may result in poor flame
appearance, sooting, damage to
property and/or severe personal
injury. Do not operate these
appliances in negatively pressured environments.
ATTENTION : L’appareil est chaud lorsqu’il
fonctionne. Ne pas toucher l’appareil.
Risque de brûlures graves. Surveiller
les enfants. Garder les vêtements, les
meubles, l’essence ou autres liquides
produisant des vapeur inflammables loin
de l’appareil.
This appliance uses room air for
combustion. It is imperative that
provisions for adequate combustion and
ventilation air be made. This appliance is
NOT designed to and will not operate in a
negative pressure. Contact your dealer if
you suspect such a situation exists.
5
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
General Information
Gas Pressure - All Models
The fireplace models covered in this manual
are b-vented decorative fireplaces designed for
residential application.
Tables 2 and 3 show the appliances' inlet and
manifold gas pressure requirements:
The Millivolt appliances have a millivolt gas
control valve with piezo ignition system.
The Electronic appliances are designed to
operate on either natural or propane gas. An
electronic intermittent pilot system provides
safe, efficient operation. External electrical
power is required to operate these units.
These appliances comply with National Safety
Standards and are tested and listed by Warnock
Hersey (Report No. 3106807) to ANSI Z21.50,
latest edition (in Canada, CSA 2.22, latest edition), and CAN/CGA-2.17-M91 in both USA and
Canada, as vented gas fireplaces.
The Installation must conform to local codes
or, in the absence of local codes, with the
National Fuel Gas Code, ANSI Z223.1/NFPA
54-latest edition, or the Natural Gas and Propane
Installation Code, CAN/CGA B149.1-latest edition. The appliance, when installed, must be
electrically grounded in accordance with local
codes or, in the absence of local codes, the
latest edition of the National Electrical Code,
ANSI/NFPA 70, or the Canadian Electrical Code,
CSA C22.1 - latest editions.
BTU Input
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 BTU Input for
these appliances is shown in Table 1.
Electronic Models - Electronic models have a
fixed rate gas valve. The BTU Input for these
appliances is shown in Table 1.
Input (BTU) Gas Valves (all models)
All Models
Fuel Type
Input Rate (BTU / HR)
Millivolt
Natural
30,000
Millivolt
Propane
30,000
Electronic
Natural
30,000
Electronic
Propane
30,000
Table 1
Inlet Gas Supply Pressure
(all models)
Fuel #
Minimum
Maximum
Natural Gas
4.5" WC
(1.12 kPa)
10.5" WC
(2.62 kPa)
Propane
11.0" WC
(2.74 kPa)
13.0" WC
(3.24 kPa)
Table 2
Manifold Gas Supply Pressure
(all models)
Fuel #
Low
High
Natural
Gas
(Lo) 2.2" WC
(0.55 kPa)
(Hi) 3.5" WC
(0.87 kPa)
Propane
(Lo) 6.3" WC
(1.57 kPa)
(Hi) 10.0" WC
(2.49 kPa)
Table 3
Test gauge connections are provided on the
front of the millivolt gas control valve (identified
E for the inlet and A for the manifold side (see
Figure 2). A 1/8" NPT test gage connection
is provided at the inlet and manifold side of
the electronic gas control valve (Figure 3).
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.
The appliance and its appliance main gas
valve must be disconnected from the gas
supply piping system during any pressure
testing of that system at test pressures in
excess of 1/2 psi (3.5 kPa).
The appliance must be isolated from the
gas supply piping system by closing its
equipment shutoff valve during any pressure
testing of the gas supply piping system at
test pressures equal to or less than 1/2 psi
(3.5 kPa).
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.
6
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
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.
• By 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/CGA-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/CGA-B149.1 - latest edition.
Flame breadth, height and width will diminish
4% for every 1,000 feet of altitude.
Burner Orifice Sizes (all models)
Natural
Gas
Elevation
Feet (meters)
0-4500
(0-1372)
Table 4
Propane
Gas
drill size (inches)
drill size (inches)
#37 (0.104") *
H5830 •
1.65mm (0.065")*
H5831 •
* Standard size installed at factory
• Part /Cat. Number
In Canada - CAN/CGA-2.17-M91 (R2009) (high
altitude): THE CONVERSION SHALL BE CARRIED OUT BY A MANUFACTURER’S AUTHORIZED REPRESENTATIVE, IN ACCORDANCE
WITH THE REQUIREMENTS OF THE MANUFACTURER, PROVINCIAL OR TERRITORIAL
AUTHORITIES HAVING JURISDICTION AND
IN ACCORDANCE WITH THE REQUIREMENTS
OF THE CAN/CGA-B149.1 OR CAN/CGA-B149.2
INSTALLATION CODES.
Burn-in Period
During the first few fires of this appliance there
will be some odor due to the curing of the
paint and burning off of lubricants used in the
manufacturing process. Depending on your
use, the burn-in period may take a few hours
or a few days.
KEEP YOUR HOUSE WELL VENTILATED
DURING THE CURING PROCESS. THE ODOR
AND HAZE EMITTED DURING THE CURING
PROCESS CAN BE QUITE NOTICEABLE AND
MAY SET OFF A SMOKE DETECTOR.
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
Operation and care of your appliance
Gas Valve Diagrams
Millivolt appliances will be fitted with one of
the two gas control valves shown in Figure 2.
Appliances with electronic systems will be fitted
with the electronic valve shown in Figure 3.
Familiarize yourself with the differing controls
for the valve your appliance uses.
OT
SIT Valve Shown
P IL
Figure 1
If your appliance is equipped with an optional
remote wall switch or remote control kit the
appliance main burner may be turned on and
off with the wall switch or remote control. If the
appliance is not equipped with a wall switch or
remote control, the main burner must be turned
off and on with the gas control switch. Toggle
the switch from ON to OFF to operate the main
burner from ON to OFF.
ON
Refractory
Access Panel
To light electronic appliances refer to the detailed
lighting instructions found in both English and
French on Pages 19 and 20 of these instructions
respectively. Millivolt and electronic appliance
lighting instructions may also be found on the
pull out labels attached to the gas control valve
located within the gas control compartment.
A
Piezo
Ignitor
i
t
Gas Controls
on Valve
P IL O T
ON/OFF Switch
IN
Manifold Pressure Port
Inlet
Pressure
Port
PSI
If your appliance is equipped with an optional
remote wall switch or remote control kit the
appliance main burner may be turned on and
off with the wall switch or remote control. If the
appliance is not equipped with a wall or remote
control, the main burner must be turned off and
on with the gas control knob. Turn the knob
counter-clockwise from the PILOT position
to ON to light the main burner, and clockwise
from ON to PILOT to turn off the main burner.
Figure 2 - SIT Millivolt Gas Valve
IGNITER
Operation of millivolt and electronic gas
control systems are different. Before lighting
and operating your appliance determine if
you have a millivolt or electronic appliance.
Refer to Figure 1 to access the gas control
compartment below the lower refractory
panel.
Pilot Adjustment Main Gas Control Knob
Screw
OFF/PILOT/ON
OFF
ON
To light millivolt appliances refer to the detailed
lighting instructions found in both English and
French on Pages 17 and 18 of these instructions
respectively. Millivolt and electronic appliance
lighting instructions may also be found on the
pull out labels attached to the gas control valve
located within the gas control compartment.
Refer to Figure 2 to locate the spark igniter
used with your appliance.
Piezo
Igniter
CONTROL
1. Appliance operation may be controlled
through a remotely located wall switch (not
supplied) or optional remote control kit. In
lieu of remote wall switch operation, the
appliance must be operated directly through
the controls located on the front of the valve
located within the control compartment under the removable refractory access panel,
Figure 1.
O FF
TH
Les jeunes enfants devraient être 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; cette mesure
empêchera les tout petits, les jeunes enfants et toute autre personne à
risque d’avoir accès à la pièce et aux surfaces chaudes.
TP
AVERTISSEMENT
Inlet Pressure Tap
Manifold Pressure Tap
TPTH
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.
See Figure 2 for Millivolt models and Figure 3
For Electronic Models.
E
WARNING
Electronic
Gas Control
Valve
Figure 3
Honeywell Electronic
Gas Valve
2. When lit for the first time, this appliance will
emit a slight odor for an hour or two. This
is due to the “burn-in” of internal paints
and lubricants used in the manufacturing
process.
3. Keep the lower control compartment clean
by vacuuming or brushing at least twice a
year. More frequent cleaning may be required
due to excessive lint from carpeting, bedding
materials, etc. It is important that control
compartments, burners and circulating air
passageways of the appliance be kept clean
and clear of obstruction of ventilating and
combustion air.
4. Always turn off gas to the pilot (millivolt
appliances) before cleaning. Before relighting, refer to the lighting instructions in
this manual. Instructions are also found on
a pull-out panel located on the floor of the
appliance.
5. Always keep the appliance area clear and
free from combustible materials, gasoline
and other flammable vapors and liquids.
6. Remember, Millivolt appliances have a
continuous burning pilot flame. Exercise caution when using products with combustible
vapors.
7
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
OPTIONAL GLASS DOOR
7. Clean the optional glass doors only when
necessary. Wipe surface with clean,
dampened, soft cloth. Follow with dry, soft
towel as desired. Take care not to scratch
the glass surface.
Caution: Always use door handles.
Doors will become very hot when
fireplace is in use.
WARNING
• Do not attempt to substitute
the materials used on doors,
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 doors 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.
• Do not attempt to touch the
glass doors with your hands
while the fireplace is in use.
• Do not operate appliance with
the glass doors cracked or
broken.
• Do not use abrasive cleaners.
Never clean the glass when
it is hot.
• Do not strike or slam shut
optional glass doors.
• Fireplaces equipped with
optional accessory doors
should be operated only
with the doors fully open or
fully closed (Figure 4). This
appliance may only be fitted
with doors certified for use
with the appliance.
WARNING
Only doors certified with the
appliance shall be used.
AVERTISSEMENT
Pour utilisation uniquement
avec les portes en verre certifiêes avec l'appareil.
Fully Open or
Fully Closed
Figure 4 - Optional Glass Doors
Damper and Combustion Air Controls
This appliance is fitted with a manually controlled
vent damper. The vent damper should be closed
when the appliance is not in use to prevent cold
air from entering the home through the venting
system. The damper is controlled through the
use of a control lever located within the appliance opening at the top center in front of the
firebox lintel (see Figure 6).
The control lever snaps into place at either
extreme of its range of motion. When locked
in position all the way to the right, the damper
is open. When locked in position all the way to
the left, the damper is closed.
The damper lever actuates a switch, (see wiring
diagram) which will prevent the appliance main
burner from lighting unless the damper is locked
open. The appliance flue damper must always
remain open when operating.
WARNING
Do not operate the combustion
air actuator unless a complete
outside air vent system has been
installed with your appliance.
8
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
WARNING
Damper must be in open position
when appliance main burner is
operating.
AVERTISSEMENT
Le registre doit être en position
ouverte lorsque le ou les bruleurs principaux de l'appereil
fonctionnment.
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. The actuator for the outside air
system is standard on all appliances but must
not be operated if the complete system is not
installed. Refer to Figure 5. When the complete
outside air vent system is installed, the installer
will remove the actuator locking screw.
If your screw is not removed and you have
reason to believe that you have a complete
outside air system, contact your distributor to
have your appliance inspected for the presence
of the complete system. DO NOT assume that
you have this system in place because you have
an actuating lever present on your appliance
front face.
To operate, push the end of the actuator to the
left as shown in Figure 6, until it "pops" free of
its "locked" position.
Pull the actuator forward to open the combustion
air door, and push it back to close. To "lock" the
combustion air door closed, ensure the actuator
is pushed all the way back, then push the end
of the actuators to the right until the step in the
actuator moves behind the appliance front face
within the slotted opening.
To provide outside combustion air to your
appliance while it is in operation, locate the
combustion air actuator along the right side
of the appliance opening (Figure 6).
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
Optional FOAK
Combustion Air Kit
Fireplace
Top View
Manually-reset blocked flue safety
switch
This appliance is equipped with a manually-reset
blocked flue safety switch. Refer to Figure 7
for its location. If during appliance operation,
the flame goes out (independently of the burner
on/off wall switch), it may be due to the operation of this safety limit switch. First allow the
appliance to cool, then reset the safety switch
by pushing the red reset button on the back
of the switch.
Caution: The Electronic appliance
should be turned off before removing
the limit switch.
To access the safety limit switch reset button,
remove the screen rod and screen from the right
side of the fireplace. Unscrew two screws and
remove the limit switch with low voltage wires
attached. Push the reset button, then reinstall
the limit switch. Reinstall the screen and rod. At
this time turn the electronic appliance back on.
The appliance should then relight and remain
lit. If this does not occur, turn off the appliance
and call a qualified service technician.
Figure 5
Combustion Air
Actuator
Limit Switch Screws
Screen
Rod
Remove Locking Screw
and “Pop” Actuator to the
Left Before Initial Use
Manual
Reset
Limit
Switch
Screen
Pull Forward to Open,
Push Back to Close
Figure 6
Lintel Extension
Right Side Refractory Panel
Figure 7
9
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
MAINTENANCE
(See Maintenance Schedule, Page 21)
Refer to the maintenance schedule for maintenance
tasks, procedures, periodicity and by whom they
should be performed.
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.
S'assurer que l'appareil fonctionne adéquatement une fois l'entretien terminé.
Always turn off gas to the pilot (millivolt
appliances) before cleaning. Before relighting, refer to the lighting instructions
in this manual. Instructions are also found
on a pull-out panel located in the control
compartment.
Always keep the appliance area clear
and free from combustible materials,
gasoline and other flammable vapors
and liquids.
Inspect Venting System - The appliance and
venting system should be thoroughly inspected
before initial use and at least annually by a
qualified service technician (inspection should
include ensuring that venting unobstructed and
vent components are properly assembled and
not damaged). Homeowner must contact a
qualified service technician at once if any
abnormal condition is observed.
If the venting system is disassembled for any
reason, a qualified service technician should
follow vent installation instructions for proper
reassembly and proper sealing of the venting
system components. However, more frequent
periodic inspections and cleanings should be
performed by the homeowner.
Clean Control Compartment - Keep control
compartment clean by vacuuming or brushing
at least twice a year. More frequent cleaning may
be required due to excessive lint from carpeting, bedding materials, etc. It is important that
control compartments, burners and circulating
air passageways of the appliance be kept clean.
10
Clean Logs And Burner - Carefully remove the
logs (use care when handling the fiber logs, as
they become quite fragile after curing). Vacuum
out any foreign matter (lint, carbon, etc). on
the burner. Ensure the burner ports are “open.”
Remove any carbon deposits from the under
side of the logs using a vacuum cleaner, or a
soft bristled brush (i.e. paint brush).
Note: Improper positioning of logs can create
carbon build-up and will alter the performance
of the appliance.
Replacing Logs - If the logs become damaged
by accident or improper handling and need
replacement, use only the proper replacement
logs from manufacturer (see Page 24 for ordering information).
Re-Install Embers and Logs - Carefully follow
placement instructions on Pages 10 and 11.
All logs should fit onto corresponding pins
and/or log stoppers. This will ensure a proper
flame and safe combustion.
Inspect Wiring (Refer to wiring diagrams on
Page 14) -
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring
errors can cause improper and dangerous
operation. Verify proper operation after
servicing.
ATTENTION: Au moment de l'entretien
des commandes, étiquetez tous les fils
avant de les débrancher. Des erreurs
de cáblage peuvent entraîner un fonctionnement inadéquat et dangereux.
Inspect and clean all wire connections. Ensure
that there is no melting or damage. Inspection
should include:
• Terminals at the Valve
• OFF/ON Switch
• (Optional Control Switch) Remote Control
or Remote Wall Switch Kit
Inspect Burner Flame and Pilot Flame
Appearance
Periodically do a visual check of the burner
flame and the pilot flame. Ensure that the burner
flame appearance resembles the flame shown
in Figure 14 on Page 12 and as described in
flame Appearance and Sooting on Page 12.
Refer to Figures 16 and 17 on Page 13 for
more information about the pilot flame appearance. Contact a qualified service technician at
once if any abnormal condition is observed.
Small Area Paint Touch-up
Only use a factory supplied paint kit for touchups. Paint is available at your local Lennox
Hearth Products dealer. Never attempt to
paint a hot fireplace.
Do not attempt to repaint the appliance until
the finish is completely cured (see Burn-In
Period on Page 6). If the surface later becomes
stained or marred, it may be lightly sanded and
touched up with spray paint.
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LOGS, GLOWING EMBERS AND
VOLCANIC STONE PLACEMENT
WARNING
• 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.
• The size and position of the log
set was engineered to give the
appliance a safe, reliable and
attractive flame pattern. Any
attempt to use a different log
set in the fireplace will void
the warranty and will result in
incomplete combustion, sooting, and poor flame quality.
• Logs get very hot and will
remain hot up to one hour
after gas supply is turned off.
Handle only when logs are
cool. Turn off all electricity to
the appliance before you install
grate, volcanic stone, embers
and logs.
• This appliance is not designed
to burn wood. Any attempt to
do so could cause irreparable
damage to the appliance and
prove hazardous to your safety.
• If logs are not installed
according to the log installation instructions, flame
impingement and improper
combustion could occur and
result in soot and/or excessive production of carbon
monoxide (CO), a colorless,
odorless, toxic gas.
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
Proper log placement is critical to prevent sooting. Carefully position the ceramic fiber logs
over the burner as described in the following
steps, and detailed in Figures 8 through 13.
Rear Log Pin
Burner Ports
Note: Logs should be placed in the gaps between
the flame peaks and should be positioned so
that at no time they impinge the flames.
Step 1. Remove the glowing embers (rockwool) from the packaging and tear into nickel
size pieces. Spread the glowing embers evenly
on top of the burner. Do not use more than is
necessary. The glowing embers should not
cover the burner ports, as shown in Figure 8.
Step 2. Place the hole at the bottom of the Rear
Log over the pin at the rear of the log grate, as
shown in Figure 9. The log should rest against
the back refractory.
Front Left Log
Figure 11
Glowing Embers
Figure 8
Front Right Log Pin
Notch In Rear Log
Rear Log
Step 3. Place the Rear Top Log over the left side
of the Rear Log. Lay the log over the top left
corner of the Rear Log, as shown in Figure 10.
The log should rest against the back refractory.
Step 4. Engage the bottom hole of the Front
Left Log with designated pin on the grate, and
align the bottom groove of the log over the far
left grate bar. See Figure 11.
Front Right Log
Figure 9
Front Right Log Pin
Figure 12
Rear Top Log
Rear Log
Step 5. Engage the bottom hole of the Front
Right Log with designated pin on the far right
grate bar. Align the groove on the bottom of the
log over the far right grate bar. See Figure 12.
Top Right Log
Step 6. Engage the bottom hole of the Top
Right Log, over the pin on the Front Right Log.
Rest the upper portion of the log in the notch
of the Rear Log. See Figure 13.
Figure 10
Figure 13
11
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
Burner Adjustments
Burner Flame Adjustments
(QUALIFIED TECHNICIANS ONLY)
To adjust the flame, position the air shutter to the
nominal setting (Figure 15). Allow the burner
to operate for at least 30 minutes. Observe the
flame continuously. If it appears weak or sooty
as previously described, adjust the air shutter
open or closed until desired effect is achieved.
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 yellowishorange 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.
If the air shutter opening is closed too far,
sooting may develop. Sooting is indicated by
black puffs developing at the tips of very long
orange flames. Sooting results in black deposits
forming on the logs, appliance inside surfaces
and on exterior surfaces adjacent to the vent
termination.
Sooting is caused by incomplete combustion
in the flames and lack of combustion air entering the air shutter opening. To achieve a warm
yellowish-orange flame with an orange body
that does not soot, the shutter opening must be
adjusted between these two extremes.
Air Shutter Adjustment Guidelines
• If there is smoke or soot present, first check
the log set positioning to ensure that the
flames are not impinging on any of the logs.
If the log set is properly positioned and a
sooting condition still exists, then the air
shutter opening should be increased.
• The more offsets in the vent system, the larger
the air shutter opening will need to be.
• An appliance operated with the air shutter
opened too far, may have flames that appear
blue and transparent. These weak, blue and
transparent flames are termed anemic.
• Propane models may exhibit flames which
candle or appear stringy. If this is present
and persists, adjust the air shutter to a more
closed position, then operate the appliance
for a few more minutes to ensure that the
flame normalizes and the flames do not
appear sooty.
12
Air Shutter
Adjustment
If air shutter is
closed too far
Flame will
be orange
Air shutter
gap should be
increased
If air shutter is
open too far
Flame will
be blue
Air shutter
gap should be
decreased
Orifice
Air Shutter
Adjusting
Set Screw
CAUTION
• 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.
Exercise caution to avoid
injury while adjusting flame
appearance.
Air Shutter Adjustment Guidelines:
Flame
Color
• Air shutter adjustment should
only be performed by a qualified professional service technician.
Note: If the flame still appears anemic
with the air shutter closed all the way
(usually a result of lengthy vertical venting runs), turn off the appliance, turn off
the gas supply, wait for the parts to cool
and access the air shutter. The shutter is
prevented from actually closing by a tab
that is bent over into the opening. Remove
this obstruction by bending back. Reassemble and restart the appliance and after
30 minutes reobserve the flame. Adjust
the air shutter as described.
The following chart is provided to aid you in
achieving the correct air shutter adjustment
for your installation.
Amount of
Primary Air
WARNING
Figure 14 - Burner Flame Appearance
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Burner Tube
Nominal
Air Shutter
Nominal
Air Shutter
SettingsSettings
NaturalNatural
Gas - 1/16"
mm)
Open
Gas (1.59
- 1/16"
(1.59
mm) Open
Propane Gas - 1/4" (6.35 mm) Open
Propane Gas - 1/4" (6.35 mm) Open
Figure 15
When satisfied that the appliance operates
properly, leave the control knob/lever in “ON”
position and turn the remote switch “OFF.”
Replace the refractory access panel.
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
Millivolt Appliance Checkout
Replacement parts
The pilot flame should be steady, not lifting
or floating. Flame should be blue in color with
traces of orange at the outer edge.
A complete parts list is found at the end of
this manual. Use only parts supplied from the
manufacturer.
The top 3/8" (9 mm) at the pilot generator
(thermopile) should be engulfed in the pilot
flame. The flame should project 1" (25 mm)
beyond the hood at all three ports (Figure 16).
With proper care and maintenance, your appliance will provide many years of enjoyment. If
you should experience any problem, first refer
to the troubleshooting guide in this manual. If
problem persists, contact your Lennox Hearth
Products dealer or distributor.
Replace logs if removed for pilot inspection.
To light the burner; turn “ON” the remote wall
switch and rotate the gas valve control knob
counterclockwise to the “ON” position (“ON”
will be to the left hand side of the valve).
Hood
Normally, all parts should be ordered through
your Lennox Hearth Products distributor or dealer.
Parts will be shipped at prevailing prices at
time of order.
Igniter Rod
3/8” Min
(9 mm)
If you encounter any problems or have any
questions concerning the installation or application of this system, please contact your
dealer or distributor.
LENNOX HEARTH PRODUCTS
1508 Elm Hill Pike, Suite 108
Nashville, TN 37210
visit us at www.LennoxHearthProducts.com
1-800-655-2008
PRODUCT REFERENCE INFORMATION
We recommend that you record the following
important information about your fireplace.
Please call Lennox Hearth Products for the
phone number of your nearest Lennox Hearth
Products dealer who will answer your questions
or address your concerns.
When ordering repair parts, always give the
following information:
1. The model number of the appliance.
2. The serial number of the appliance.
3. The part number.
4. The description of the part.
5. The quantity required.
6. The installation date of the appliance.
Your Fireplace's Model Number____________________________________________
Pilot
Nozzels
Your Fireplace's Serial Number____________________________________________
Figure 16 - Millivolt Pilot
The Date On Which Your Fireplace Was Installed_______________________________
The Type of Gas Your Fireplace Uses________________________________________
Your Dealer's Name ____________________________________________________
Electronic Appliance Checkout
Light the burner, refer to the Lighting Instructions in this manual. Ensure the igniter lights
the pilot. The pilot flame should engulf the
flame rod as shown in Figure 17.
With proper care and maintenance, your appliance will provide many years of enjoyment. If
you should experience any problem, first refer
to the trouble shooting guide in this manual.
If problem persists, contact your Superior
distributor.
Proper Flame
Adjustment
Pilot
Nozzels
3/8" to 1/2"
(9 -13 mm)
Ground
Electrode
Flame Rod
Hot Surface
Igniter
Figure 17 - Electronic Pilot
13
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
alteration, service or maintenance can cause injury
THIS APPLIANCE MUST BE
INSTALLED
* For
a copyINofACCORDANCE
the homeowner’s care and
or property damage. Refer to the owner’s information
WITH LOCAL CODES, IF ANY; IF NONE, FOLLOW THE
manual,
go
to
www.lennox.com
or call 1-800manual provided with this appliance. For assistance
NATIONAL FUEL GAS CODE, ANSI Z223.1, OR NATURAL
LENNOX HEARTH PRODUCTS • MERIT®orSERIES
B-VENT
GAS FIREPLACES
• 42" installer,
LMBV MODELS
• CARE
ANDINSTALLATION
OPERATION INSTRUCTIONS
additional
information
consult a qualified
GAS AND
PROPANE
CODE, CSA B149.1.
service agency or the gas supplier.
ELECTRONIC IGNITION WIRING DIAGRAM
If not installed, and maintained in accordance with the
Due
to
high
temperatures,
keep
children,
and
furniture
Optional Blower**
J-Box W
Wiring Diagrams
manufacturer's instructions, this product could expose
WITHOUT Optional
away.
OFF/ON Switch
you
to
substances
in
fuel
or
fuel
combustion
which
are
ELECTRONIC
IGNITION
WIRING
DIAGRAM
(Integral with
Pilot Burner
control compartment clean.
known to the state of California to cause cancer, birth
Wiring diagrams are provided here for reference Keep burner and Assembly
Gas Valve) See
installation
and
operating
instructions
accompanying
defects, or other reproductive harm.
purposes only. This information is also provided
on schematics found on pullout labels located appliance.
Honeywell
B
* For a copy of the homeowner’s care and operation
Electronic
within the control compartment attached to
W
Gas
manual, go to www.lennox.com or call 1-800-9-lennox.
G
the gas control valve. Electronic and Millivolt
Valve
Junction
wiring diagrams are provided here.
* Control Switches: Wall On/Off
ELECTRONIC IGNITION WIRING DIAGRAM
Igniter
ATTENTION: Au moment de l'entretien
des commandes, étiquetez tous les fils
avant de les débrancher. Des erreurs
de cáblage peuvent entraîner un fonctionnement inadéquat et dangereux.
MILLIVOLT WIRING DIAGRAM
NOTE: If any supplied wire must be replaced,
always use Type AWM, 105°C, 18 GA wire.
BK
BK
DAMPER
SWITCH
Transformer
BL (Integral with
BL Gas Valve)
BK
BK
BK
Control Igniter
Switch * Connector
DAMPER
SWITCH
BK
24 V
Secondary
BK
Valve
BL
BL
BL
R
BK = BLACK BL = BLUE
Honeywell
R = RED Electronic
W = WHITE
G = GREENGas
GROUND
Transformer
HIGH LIMIT
SWITCH
BL
B-Vent appliances only - oneR or both of these switches must
Figure 19
TP
THERMOPILE
TH
BK
120 VAC
Primary
Switch, Unit Mounted On/Off Switch,
Wall Thermostat
Units
J-Box(Direct-Vent
Wiring
Only)WITHOUT
orJ-Box
Remote
Control
Optional
BlowerSwitch.
Switch
Wiring
Some
models
are
not
approved
for
**
use with an optional blower. See Care
and Operation manual for approved
accessories.
BK
NOTES:
W
1. If any of the original
G wire as supplied
must be replaced, use Type AWM
Junction
Box
105°C
18
gage
wire
ONLY.
FieldWall
Wired
On/Off
* Control Switches:
Switch, Unit Mounted
FactoryOn/Off Switch,2. 120 VAC, 60 Hz - Less than 3 Amps.
Wall Thermostat
(Direct-Vent Units CAUTION: label all wires prior to
Wired
J-Box
Wiring
Only) or Remote Control Switch.
disconnection
when
servicing controls.
WITH
Optional
** Some models are not approved for Wiring
errors
canBlower
causeSwitch
improper and
use with an optional blower. See Care
dangerous operation. Verify proper
and Operation manual for approved
BK
operation after servicing.
accessories.
24 V
120 VAC
W
Secondary
BK = BLACK BL be
= BLUE
factory installed
If wires to these
switches
BK in series as shown.
Primary
G
R = RED
W =are
WHITE
replaced, wires must be Type AWM 200°C - 18 gage wire ONLY.NOTES:
G = GREEN
1. If any of the original wire as supplied
BK
P/N 62L2701_4
must be replaced, use Type AWM
BK
NOTES:
105°C - 18 gage wire ONLY.
BK
Field Wired
Control
BK
R
120Type
VAC, 60
Hz - Less
than-318
Amps.
1. If any of the original wire as supplied must
be replaced,2.use
AWM
105°C
gage wire ONLY. W
Switch *
Factory
GR
CAUTION: label all wires prior to
Wired
2. 120 VAC, 60 Hz - Less than 3 Amps.
disconnection when servicing controls.
Break Off Tab
HIGHlabel
LIMITall wires prior to disconnection when servicing
DAMPER
CAUTION:
controls.
Wiring
errors
Wiring errors
can cause
improper
andcan cause improper and
SWITCH
SWITCH
Junction Box
dangerous operation. Verify proper operation after servicing.
dangerous operation. Verify proper
B-Vent appliances only - one or both of these switches must
operation after servicing.
* Control
Wall
On/Off Switch or Timer, Unit Mounted On/Off Switch, or Remote Control Switch. If an optional
be factory installed in series
as shown.Switches:
If wires to these
switches
Schematic Representation Only
are replaced, wires must becontrol
Type AWMswitch
200°C - is
18 installed,
gage wire ONLY.
turn the appliance-mounted ON/OFF burner control switch to the OFF position.
TH
BK
GROUND
WHT
*
FACTORY WIRED
FIELD WIRED
*For optional wall switch attachment only.
Figure 18
14
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
J-Box Wi
WITH Optional Blo
120 VAC
OFF/ON Switch
Pilot Burner
Assembly
P/N 62L2701_4
TP
LIMIT
SWITCH
Connector
Optional Blower**
120 VAC
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring
errors can cause improper and dangerous
operation. Verify proper operation after
servicing.
BK
BK
R
W
GR
Br
Junction Box
Schematic Repre
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
Accessory Components
Product Reference Information
Cat.
No.
Model
Ship.
Weight
Shipping
Volume
H5127
LMBV-42RMN
213 lbs.
24.0 cu.ft.
H5128
LMBV-42RMP
213 lbs.
24.0 cu.ft.
H5129
LMBV-42REN
213 lbs.
24.0 cu.ft.
Cost Effective Solution
• Simple On/Off operation
• Works with millivolt and low voltage electronic
ignition controls
Kit includes:
Remote and Receiver
OFF/ON Wall Switch Kit
The OFF/ON wall switch kit may be used to control the
operation of the fireplace burner. Install the OFF/ON
wall switch in a convenient location near the fireplace.
G-Fire Remote, Simple On/Off
Cat. No.
Model No.
Description
H8840
KIT-RC-G-FIRE
Remote Control
White Wall Switch Kit
Cat. No.
Model No.
Description
85L87
FWSK
OFF/ON Wall Switch Kit
Manual or up to 3 hr Countdown Timer modes
• LCD display
• Displays room temp. in ºF or ºC
• Flame icon and low battery indicator
• Includes batteries
• Wall clip included
• Receiver may be wall mounted or placed in
the control compartment
• Includes white face plate
• Flame icon
• Low battery indicator
• Batteries included
Remote, Two Button, Timer,
On/Off Or Timer Mode
Cat. No.
Model No.
Description
H8860
RC-S-1
Remote Control
Wall Control
• 4-button timer with 30/60/120/OFF minutes
• Wall surface mounted
• Connects to wall switch wire
• Perfect for rental and resort applications
Wall Switch, Countdown Timer
Cat. No.
Model No.
Description
H8863
WS-S-TMR
Wall Switch
15
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
Accessory Components
To ensure warranty and to prevent a potential
fire hazard, do not use any other doors on
these appliances.
Outside Combustion Air Kits
Twin Pane Doors
Cat. No.
Model No.
Description
86L36
42TPA-BB
Bright Brass
Cat. No.
Model No.
Description
81L87
FOAK-4
(with duct)
81L88
FOAK-4LD
(without duct)
Outside Air Kits Models FOAK-4 and FOAK-4LD
Bi-Fold Doors
Cat. No.
Model No.
Description
86L33
42 ABF
Black
86L34
42 ABF-BB
Bright Brass
86L35
42 ABF-BS
Brushed Stainless
Bi-Fold Doors
Twin Pane Doors
Your appliance can be fitted with beautiful twin
pane doors. Model TPA doors are available
for use with these appliances. Model TPA
doors are easily fitted to the fireplace opening.
Model 42 TPA-BB doors have a beautiful bright
brass finish.
Outside Air kits are available with duct (FOAK-4)
and without duct (FOAK-4LD) for use if outside
combustion air is required or desired. If model
FOAK-4LD is used it must be used in conjunction
with locally purchased, non-combustible Class
1 or Class 0 flexible duct.
Your appliance can be fitted with beautiful bi-fold
doors. Model ABF doors are available for use
with these appliances. Doors are easily fitted
to the fireplace opening.
PA I N T
Touch-Up Paint Kits
Cat. No.
Model No.
90L73
TPK-B
Description
Touch-Up Paint (Black)
Decorative Firebox Accessories
Glass Enclosure Panels
Cat. No.
Model No.
Description
27M32
42GEP
Black Trim
27M33
42GEP-BB
Bright Brass Trim
Cat. No.
Model No.
88L53
FGE
80L42
FDVS
Description
Bag of Glowing Embers
Bag of Decorative
Volcanic Stone
Bag of Glowing Embers
Bag of Volcanic Stone
Replacement ember materials or volcanic stone are
available for use with these appliances. Order kits as
part of the periodic maintenance of the appliance.
Glass Enclosure Panels
(Bi-Fold "Look," Non-Operable Doors)
16
Your fireplace can be fitted with beautiful glass
enclosure panels with a bi-fold "look" (nonoperable doors once installed). Model 42GEP
is finished in black trim. Model 42GEP-BB
model is finished in bright polished brass trim.
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Touch-Up Paint Kit
Repair of minor scratches and discoloration of the
appliance black painted surfaces may be accomplished
with the touch-up paint kit.
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
Lighting Instructions – 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 by a piezo
igniter. When lighting the pilot, follow these instructions
exactly.
• 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.
B.BEFORE LIGHTING smell all around the appliance area for
gas. Be sure to smell next to the floor because some gas is
heavier than air and will settle on the floor.
C.Use only your hand to push in or turn the gas control knob.
Never use tools. If the knob will not push in or turn by hand,
don’t try to repair it, call a qualified service technician. Force
or attempted repair may result in a fire or explosion.
WHAT TO DO IF YOU SMELL GAS:
• Do not try to light any appliance.
• Do not touch any electric switch; do not use any phone in your
building.
D.Do not use this appliance if any part has been under water.
Immediately call a qualified service technician to inspect the
appliance and to replace any part of the control system and
any gas control which has been under water.
LIGHTING INSTRUCTIONS
• If the pilot will not stay lit after several tries, turn the gas control
knob to "OFF" and call your service technician or gas supplier.
10.Turn gas control knob counterclockwise
to "ON."
11.Close control compartment.
12.(If applicable) Turn on all electrical power to the appliance.
13.(If applicable) Set thermostat to desired setting. Turn wall on/off switch,
unit mounted on/off switch or remote control switch "ON."
Gas Control Valves
Pilot Assemblies
OT
PIL
TH
P IL O T
it
ON
SIT
LO W
TP
OF F
TPTH
HI
IN
OUT
HI
LO
OT
PIL
OFF
Robertshaw
IN OUT
ON
Gas Control Knobs
PILOT
T FF
LO O
PI
Honeywell
ON
LO
HI
OUT
TPTH
TO TURN OFF GAS TO APPLIANCE
IN
1.STOP! Read the safety information above on this label.
2.(If applicable) Set the thermostat to lowest setting. Turn wall on/off
switch, unit mounted on/off switch or remote control switch "OFF."
3.Turn OFF all electric power to the appliance.
4.Access the control compartment.
5.Push in gas control knob slightly and turn clockwise
to "OFF."
NOTE: Knob cannot be turned from "PILOT" to "OFF" unless knob is
pushed in slightly. Do Not force.
6.Wait five (5) minutes to clear out any gas. Then smell for gas,
including near the floor. If you smell gas, STOP! Follow "B" in the
safety information above on this label. If you don't smell gas, go to the
next step.
7.Find pilot - located in firebox on the same plane as the top of the burner.
8.Turn knob on gas control counterclockwise
to "PILOT."
9.Push in control knob all the way and hold in. Immediately light the pilot
by triggering the piezo igniter (pushing the button) until pilot lights.
Continue to hold the control knob in for about 1-1/2 minutes after the
pilot is lit. Release knob and it will pop back up. Pilot should remain
lit. If it goes out, repeat steps 5 through 9.
• If knob does not pop up when released, stop and immediately call
your service technician or gas supplier.
it
HI
TH
O FF
PIL O T
TP
LO W
ON
PIL
OT
1.(If applicable) Set the thermostat to lowest setting. Turn wall on/off
switch, unit mounted on/off switch or remote control switch "OFF."
2. Turn OFF all electric power to the appliance, if service is to be
performed.
3. Access the control compartment.
4. Push in gas control knob slightly and turn clockwise
not force.
5.Close the main line gas shut-off valve.
6.Close control compartment.
to "OFF." Do
WARNING
HOT GLASS WILL CAUSE BURNS.
DO NOT TOUCH GLASS UNTIL COOLED.
NEVER ALLOW CHILDREN TO TOUCH GLASS.
P/N 62L2901_5
17
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
INSTRUCTIONS D’ALLUMAGE – VANNE GAZ Millivolt
POUR PLUS DE SÉCURITÉ, LIRE AVANT D’ALLUMER
AVERTISSEMENT. Quiconque ne respecte pas à la lettre les instructions dans la présente notice risque
de déclencher un incendie ou une explosion entraînant des dommages, des blessures ou la mort.
A.Cet appareil est muni d’une veilleuse qui doit être
allumée avec un allumeur piézo-électrique. Respectez les
instructions ci-dessous à la lettre.
B.AVANT L’ALLUMAGE: Avant d’allumer la veilleuse, reniflez
tout autour de l’appareil pour déceler une odeur de gaz.
Reniflez près du plancher, car certains gaz sont plus lourds
que l’air et peuvent s’accumuler au niveau du sol.
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 bâtiment.
• Appelez immédiatement votre fournisseur de gaz depuis un
voisin. Suivez les instructions du fournisseur.
• Si vous ne pouvez rejoindre le fournisseur, appelez le service
des incendies.
C.Ne pousser ou tourner la manette d’admission du gaz qu’à la
main. Ne jamais employer d’outil à cette fin. Si la manette
reste coincée, ne tentez pas de la réparer; appelez un
technicien qualifié. Quiconque tente de forcer la manette ou
de la réparer peut provoquer une explosion ou un incendie.
D.N’utilisez pas cet appareil s’il a été plongé dans l’eau, même
partiellement. Faites inspecter l’appareil par un technicien
qualifié et remplacez toute partie du système de contrôle et
toute commande qui ont été plongés dans l’eau.
INSTRUCTIONS D’ALLUMAGE
l’interrupteur murale, l’interrupteur sur l’unité ou le contrôle à distance
à "ON."
Vanne Gaz Millivolt
PIL
Millivolt Pilot
OT
TH
P IL O T
SIT
it
ON
TP
OF F
TPTH
HI
IN
OUT
HI
LO
OT
PIL
OFF
Robertshaw
IN OUT
ON
Bouton de réglage du gaz
PILOT
T FF
LO O
PI
Honeywell
ON
LO
HI
IN
brûleur.
8.Tournez le bouton de contrôle sur la valve à gaz dans le sens antihoraire
vers "Pilote".
9.Enfoncez le bouton de réglage jusqu’au fond et gardez-le enfoncé. Allumez
immédiatement la veilleuse en déclenchant l’allume-gaz à étincelle (en
poussant le bouton) jusqu’à ce que la veilleuse s’enflamme. Continuez
de tenir le bouton de réglage enfoncé pendant environ 90 secondes après
l’allumage de la veilleuse. Relâchez le bouton et il sortira subitement. La
veilleuse devrait rester allumée. Si elle s’éteint, répétez les étapes 5 à 8
inclusivement.
• Si la manette ne se soulève pas d’elle-même lorsqu’on la relâche,
arrêter et appeler immédiatement un technicien qualifié ou le
fournisseur de gaz.
• Si la veilleuse ne reste pas allumée après plusieurs tentatives,
réglez la manette d’admission du gaz à la position OFF et appelez un
technicien qualifié ou le fournisseur de gaz.
10.Tournez le bouton de réglage du gaz en sens inverse des aiguilles d’une
montre
jusqu’à sa position de marche “ON”.
11.Fermer le compartiment de contrôle.
12.(Si applicable) Mettez l’appareil sous tension.
13.(Si applicable) Réglez le thermostat à la température désirée. Tournez
LO W
1.ARRÊTEZ ! Lisez les instructions de sécurité sur la portion supérieure de
cette étiquette.
2.(Si applicable) Réglez le thermostat à la température la plus basse.
Tournez l’interrupteur murale, l’interrupteur sur l’unité ou le contrôle à
distance à "OFF. "
3.Coupez l’alimentation électrique de l’appareil.
4.Accédez au compartiment de contrôle.
5.Enfoncez légèrement le bouton de réglage du gaz et tournez-le dans le sens
des aiguilles d’une montre
jusqu’à la position d’arrêt “OFF”.
Remarque: Il est impossible de tourner le bouton de “PILOT” à “OFF” à
moins qu’il ne soit légèrement enfoncé. Ne le forcez pas.
6.Attendre cinq (5) minutes pour laisser échapper tout le gaz. Reniflez tout
autour de l’appareil, y compris près du plancher, pour déceler une odeur
de gaz. Si vous sentez une odeur de gaz, ARRÊTEZ ! Passez à l’étape B des
instructions de sécurité sur la portion supérieure de cette étiquette. S’il n’y
a pas d’odeur de gaz, passez à l’étape suivante.
7.Trouver le pilote – Situé dans l’âtre sur la même surface que le dessus du
OUT
TPTH
COMMENT COUPER L’ADMISSION DE GAZ DE L’APPAREIL
TP
HI
TH
LO W
O FF
it
PIL O T
ON
PIL
OT
1.(Si applicable) Réglez le thermostat à la température la plus basse. Tournez
l’interrupteur murale, l’interrupteur sur l’unité ou le contrôle à distance à
"OFF. "
2. Coupez l’alimentation électrique de l’appareil s’il faut procéder à l’entretien.
3. Accédez au compartiment de contrôle.
4.Enfoncez légèrement le bouton de réglage du gaz et tournez-le dans le
sens des aiguilles d’une montre
jusqu’à la position d’arrêt “OFF”.
Ne forcez pas le bouton.
5.Fermer la valve de gaz principale.
6.Fermer le compartiment de contrôle.
AVERTISSEMENT
UNE SURFACE VITRÉE CHAUDE PEUT CAUSER DES BRÛLURES.
LAISSER REFROIDIR LA SURFACE VITRÉE AVANT D'Y TOUCHER.
NE PERMETTEZ JAMAIS À UN ENFANT DE TOUCHER LA SURFACE VITRÉE.
18
P/N 62L3001_4
REMARQUE : LES SCHÉMAS ET LES ILLUSTRATIONS NE SONT PAS À L’ÉCHELLE.
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
Lighting 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.
• 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.
B.BEFORE OPERATING smell all around the appliance area for
gas. Be sure to smell next to the floor because some gas is
heavier than air and will settle on the floor.
C.Use only your hand to actuate the gas valve ON/OFF switch.
Never use tools. If the switch will not move by hand, don’t
try to repair it, call a qualified service technician. Force or
attempted repair may result in a fire or explosion.
WHAT TO DO IF YOU SMELL GAS:
• Do not try to light any appliance.
• Do not touch any electric switch; do not use any phone in your
building.
D.Do not use this appliance if any part has been under water.
Immediately call a qualified service technician to inspect the
appliance and to replace any part of the control system and
any gas control which has been under water.
OPERATING INSTRUCTIONS
9.Turn on all electrical power to the appliance.
10.(If applicable) Set thermostat to desired setting. Turn wall
on/off switch, unit mounted on/off switch or remote control
switch "ON."
11.Close control compartment.
12.If the appliance will not operate, follow the instructions "To
Turn Off Gas To Appliance" and call your service technician
or gas supplier.
OFF
ON
IN
ON / OFF Switch
CONTROL
PSI
IGNITER
1. STOP! Read the safety information above on this label.
2. (If applicable) Set the thermostat to lowest setting. Turn
wall on/off switch, unit mounted on/off switch or remote
control switch "OFF."
3. Turn OFF all electric power to the appliance.
4. This appliance is equipped with an ignition device which
automatically lights the pilot. Do not try to light the pilot by
hand.
5. Access the control compartment.
6. Turn the ON/OFF switch, on the gas control valve, to "OFF."
Do not force.
7. Wait five (5) minutes to clear out any gas. Then smell
for gas, including near the floor. If you smell gas, STOP!
Follow "B" in the safety information above on this label. If
you don't smell gas, go to the next step.
8. Turn the ON/OFF switch, on the gas control valve, to "ON."
Do not force.
Gas Control Valve
Electronic Pilot Assembly
TO TURN OFF GAS TO APPLIANCE
1.(If applicable) Set the thermostat to lowest setting. Turn wall
on/off switch, unit mounted on/off switch or remote control
switch "OFF."
2.Turn "OFF" all electric power to the appliance, if service is to
be performed.
3.Access the control compartment.
4.Turn the ON/OFF switch, on the gas control valve, to "OFF." Do
not force.
5.Close the main line gas shut-off valve.
6.Close control compartment.
WARNING
HOT GLASS WILL CAUSE BURNS.
DO NOT TOUCH GLASS UNTIL COOLED.
NEVER ALLOW CHILDREN TO TOUCH GLASS.
P/N 62L2701_5
19
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
INSTRUCTIONS D’ALLUMAGE — Electronic
POUR PLUS DE SÉCURITÉ LIRE AVANT DE METTRE EN MARCHE
AVERTISSEMENT. Quiconque ne respecte pas à la lettre les instructions dans la présente notice risque
de déclencher un incendie ou une explosion entraînant des dommages, des blessures ou la mort.
A.Cet appareil est muni d’un dispositif d’allumage qui allume
automatiquement la veilleuse. Ne tentez pas d’allumer la
veilleuse manuellement.
B.AVANT DE FAIRE FONCTIONNER, reniflez tout autour de
l’appareil pour déceler une odeur de gaz. Reniflez près
du plancher, car certains gaz sont plus lourds que l’air et
peuvent s’accumuler au niveau du sol.
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 bâtiment.
• Appelez immédiatement votre fournisseur de gaz depuis un
voisin. Suivez les instructions du fournisseur.
• Si vous ne pouvez rejoindre le fournisseur, appelez le service
des incendies.
C.N'utilisez que votre main pour manipuler l'interrupteur
"ON/OFF" de la valve á gaz. N'utilisez jamais d'outils. Si
l'interrupteur ne bouge pas manuel lement, n'essayez pas de
le réparer. Communiquez immédiatement avec un technicien
de service qualifié. Toute tentative pour forcer l'interrupteur
ou le réparer, risquerait de provoquer un incendie ou une
explosion.
D. N’utilisez pas cet appareil s’il a été plongé dans l’eau, même
partiellement. Faites inspecter l’appareil par un technicien
qualifié et remplacez toute partie du système de contrôle et
toute commande qui ont été plongés dans l’eau.
INSTRUCTIONS DE MISE EN MARCHE
8. Tournez l’interrupteur sur la valve de contrôle à "ON." Ne pas forcer.
9.Mettez l’appareil sous tension.
10.(Si applicable) Réglez le thermostat à la température désirée.
Tournez l’interrupteur murale, l’interrupteur sur l’unité ou le
contrôle à distance à "ON."
11.Fermer le compartiment de contrôle.
12.Si l’appareil ne se met pas en marche, suivez les instructions
intitulées « Comment couper l’admission de gaz de l’appareil » et
appelez un technicien qualifié ou le fournisseur de gaz.
OFF
ON
IN
Commutateur ON/OFF
CONTROL
PSI
IGNITER
1. ARRÊTEZ ! Lisez les instructions de sécurité sur la portion
supérieure de cette étiquette.
2. (Si applicable) Réglez le thermostat à la température la plus
basse. Tournez l’interrupteur murale, l’interrupteur sur l’unité ou le
contrôle à distance à "OFF."
3. Coupez l’alimentation électrique de l’appareil.
4. Cet appareil est muni d’un dispositif d’allumage qui allume
automatiquement la veilleuse. Ne tentez pas d’allumer la veilleuse
manuellement.
5. Accédez au compartiment de contrôle.
6. Tournez l’interrupteur sur la valve de contrôle à "OFF." Ne pas
forcer.
7. Attendre cinq (5) minutes pour laisser échapper tout le
gaz. Reniflez tout autour de l’appareil, y compris près du
plancher, pour déceler une odeur de gaz. Si vous sentez
une odeur de gaz, ARRÊTEZ ! Passez à l’étape B des
instructions de sécurité sur la portion supérieure de cette
étiquette. S’il n’y a pas d’odeur de gaz, passez à l’étape
suivante.
Valve Honeywell
Veilleuse de
l’appareil électronique
COMMENT COUPER L’ADMISSION DE GAZ DE L’APPAREIL
1.(Si applicable) Réglez le thermostat à la température la plus basse.
Tournez l’interrupteur murale, l’interrupteur sur l’unité ou le contrôle
à distance à "OFF."
2.Coupez l’alimentation électrique de l’appareil s’il faut procéder à
l’entretien.
3.Accédez au compartiment de contrôle.
4.Tournez l’interrupteur sur la valve de contrôle à ‘’OFF.’’ Ne pas forcer.
5.Fermer la valve de gaz principale.
6.Fermer le compartiment de contrôle.
AVERTISSEMENT
UNE SURFACE VITRÉE CHAUDE PEUT CAUSER DES BRÛLURES.
LAISSER REFROIDIR LA SURFACE VITRÉE AVANT D'Y TOUCHER.
NE PERMETTEZ JAMAIS À UN ENFANT DE TOUCHER LA SURFACE VITRÉE.
20
P/N 62L2801_4
REMARQUE : LES SCHÉMAS ET LES ILLUSTRATIONS NE SONT PAS À L’ÉCHELLE.
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
Maintenance Schedule
Annually (Before the onset of the Burning Season)
MAINTENANCE TASK
ACCOMPLISHING PERSON
PROCEDURE
Inspecting/Cleaning Burner, Logs
and Controls
Qualified Service Technician
Inspect valve and ensure it is properly operating. Check piping
for leaks. Vacuum the control compartment, fireplace logs and
burner area.
Check Flame Patterns and Flame Height
Qualified Service Technician
Refer to Figure 14 on Page 12 and verify the flame pattern
and height displayed by the appliance conforms to the picture.
Flames must not impinge on the logs. Ensure flames are steady
(not lifting or floating).
Inspecting/Cleaning Pilot and Burner
Qualified Service Technician
Refer to Figures 16 and 17 on Page 13. Remove any surface
build-up on pilot and burner assembly. Wipe the pilot nozzles,
igniter/flame rod and hood. Ensure the pilot flame engulfs the
flame sensor as shown.
Checking Vent System
Qualified Service Technician
Inspect the vent system at the top and at the base (within the
firebox) for signs of blockage or obstruction. Look for any signs
of dislocation or deterioration of the vent components. Note:
Excessive condensation can cause corrosion of caps, pipe &
fittings (excessive condensation can be caused by long lateral
runs, too many elbows and/or exterior portions of the system
being exposed to cold weather). Also inspect wall straps or
plumbers's tape to ensure it is secure and in place.
Appliance Checkout
Qualified Service Technician
Perform the appropriate appliance checkout procedure detailed
in this manual.
Replacing Glowing Ember (rockwool)
Materials
Homeowner/Qualified Service
Technician
Remove old ember materials and vacuum the area for placement
of glowing embers (rockwool). Place new glowing embers as
described in this document.
Periodically (After the Burning Season)
MAINTENANCE TASK
ACCOMPLISHING PERSON
PROCEDURE
Cleaning Firebox Interior
Homeowner
Carefully remove logs, glowing embers (rockwool), and volcanic
stone, if used. Vacuum interior of the firebox. Clean firebox walls
and log grate. Replace logs, glowing embers (rockwool), and
volcanic stone, as detailed in this manual.
Check Flame Patterns and Flame Height
Homeowner
Refer to Figure 14 on Page 12 and verify the flame pattern
and height displayed by the appliance conforms to the picture.
Flames must not impinge on the logs.
Checking Vent System
Homeowner
Inspect the vent system at the top and at the base (within the
firebox) for signs of blockage or obstruction. Look for any signs
of dislocation of the vent components.
Cleaning Optional Glass Doors
Homeowner
Clean as necessary following the directions provided in this
manual. Do not touch or attempt to clean THE glass
while hot.
21
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
TROUBLESHOOTING
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.
TROUBLESHOOTING GUIDE - Millivolt GAS CONTROL SYSTEM
SYMPTOM
POSSIBLE CAUSES
CORRECTIVE ACTION
1. Spark igniter will not light pilot after
repeated triggering of igniter button.
A. Defective igniter
(no spark at electrode).
Check for spark at electrode and pilot; if no spark and electrode
wire is properly connected, replace igniter.
B. Defective or misaligned electrode at pilot (spark
at electrode).
Using a match, light pilot. If pilot lights, turn off pilot and
trigger the igniter button again. If pilot lights, an improper
gas mixture caused the bad lighting and a longer purge
period is recommended. If pilot will not light – check gap at
electrode and pilot – should be 1/8" to have a strong spark. If
gap measures 1/8", replace pilot (see Figure 16 on Page 13).
C. Gas supply pressure errant.
Check inlet gas pressure. It should be within the limits as
marked on the rating plate.
D. Pilot orifice plugged.
Clean or replace pilot orifice.
2. Pilot will not stay lit after
carefully following the lighting instructions.
A. Defective pilot generator
(thermocouple).
Check pilot flame, it must impinge on thermocouple (see
Figure 16 on Page 13). Clean and/or adjust pilot for maximum flame impingement on thermocouple. Ensure that the
connection between the valve and thermocouple are tight
and secure.
3. Pilot burning, no gas to burner, Valve
knob “ON,” Wall Switch “ON.”
A. Damper closed or Damper Switch defective.
Ensure damper control lever is locked in the open position,
all the way to the right. If the damper control lever is locked
in the open position troubleshoot through Steps B, C and
D below. If the main burner will still not light, determine
if the damper switch is defective and replace if necessary.
B. Wall switch or wires defective.
Check wall switch and wires for proper connections. Jumper
wire across terminals at wall switch, if burner comes on,
replace defective wall switch. If okay, jumper wires across
wall switch wires at valve, if burner comes on, wires are
faulty or connections are bad.
C. Thermopile may not be generating sufficient
millivolts.
Check thermopile with millivolt meter. Take reading at thermopile terminals of gas valve. Should read 325 millivolts
minimum with optional wall switch “OFF.” Replace faulty
thermopile if reading is below specified minimum.
D. Plugged burner orifice.
Check burner orifice for blockage and remove.
A. Pilot flame may be too low or blowing (high) causing the pilot/valve safety to drop out.
Clean and/or adjust pilot flame for maximum flame impingement on thermocouple (see Figure 16).
WARNING: if the pilot will not light
after 1 minute of attempting, wait for at
least 5 minutes for gas to clear before
attempting again.
*Optional remote switch kits - wall
switch or timer, or remote control.
4. Frequent pilot/burner outage problem.
TROUBLESHOOTING GUIDE - ELECTRONIC IGNITION SYSTEM
SYMPTOM
1. Burner will not light.
2. Burners come “ON,” then turns “OFF.”
22
POSSIBLE CAUSES
CORRECTIVE ACTION
A. Damper closed or Damper Switch defective.
Ensure damper control lever is locked in the open position,
all the way to the right. If the damper control lever is locked
in the open position troubleshoot through Steps B, C and
D below. If the main burner will still not light, determine
if the damper switch is defective and replace if necessary.
B. Faulty Valve System.
See Page 23.
C. Faulty limit switch.
Reset the limit switch button. If still not working, access the
leads attached to the limit switch and check for continuity.
If no continuity, replace limit switch.
D. “OFF/ON” or wall switch defective.
Disconnect the two black wires from the wire nuts. Test
switch(s) for continuity with a multimeter. If continuity is
not indicated, switch(s) is defective and must be replaced.
Note: Before replacing “OFF/ON” switch, Ensure to check
wiring for loose connections or broken wires and repair
as needed.
A. Burner orifice plugged.
Check main burner orifice(s) for blockage. Clean or replace.
B. Obstructed vent system.
Check vent system for obstructions.
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
Troubleshooting the Electronic Ignition System (continued)
START
CHECK
• Turn Off Gas Supply.
• Ensure Valve Switch Is In ON Position.
• Disconnect Control Harness.
• Check for proper voltage at control harness
(see insert A). Voltage NO
2
should be 24V between
pressure switch and 24V
common and 24V hot.
•
•
•
•
Line voltage power
Low voltage transformer
Limit controller
Wiring
YES
• Plug control harness into valve.
Wait for internal check delay.
Insert A
End View of Control Harness Connector
24 Volt Hot
24 Volt
Common
• Igniter warms up and glows red. NO
1
2
• With pilot burner cable connected, measure voltage at NO
valve HSI element output. 24V
nominal. (See insert B)
• Replace valve.
YES
YES
Check For Damaged or Missing
Terminals in Connector
• Replace igniter/flame rod
assembly.
1
24 Volt
Switched
YES
• Turn on gas supply.
• Pilot burner lights.
NO
• Check that pilot gas is flowing. Wait
to ensure pilot gas tubing is purged. NO
• Replace valve.
YES
Insert B
Igniter Terminals
YES
• Measure voltage between 24V hot and
24V common leads to valve control.
Must measure at least 19.5 VAC with
igniter powered (see insert A). To NO
identify proper lead, this check must
be done with the valve control connected and igniter powered.
• Check transformer and
line volt supply.
YES
• Replace Pilot Assembly.
• Main valve opens and main NO
burner lights.
YES
• System Is okay.
1
Igniter will cycle off and back
on once during the 90 second
ignition trial. All voltage
measurements must be taken
while the igniter is powered.
2
When measuring voltage
at connections, use care
to ensure terminals are
not damaged.
• Check that pilot flame makes good
contact with pilot burner flame rod.
• Check for good electrical connection
through the pilot tubing.
• If both of the above are good, replace
igniter/flame rod assembly.
YES
• Cycle on/off switch off and back on.
NO
• Main burner lights.
• Replace valve.
23
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
Replacement Parts List
Replacement Parts List
No.
Gas Controls — SIT Millivolt
Natural Gas
Description
Propane Gas
No.
Description
Natural
Propane
Part No.
Qty.
Part No.
Qty.
Part No.
Qty.
Part No.
Qty.
----
----
----
----
20
Gas Valve - SIT
H6244
1
H3142
1
Firescreen
H4408
2
H4408
2
21
Pilot Assembly - SIT
62L12
1
62L13
1
Rod, Screen
H6309
2
H6309
2
22
Pilot Generator
60J79
1
60J79
1
3
Refractory, Side
H3921
2
H3921
2
23
Electrode and Cable
H6212
1
H6212
1
4
Refractory, Rear
H3922
1
H3922
1
24
Piezo Igniter
10K86
1
10K86
1
5
Refractory Access Panel
H3685
1
H3685
1
25
Ignition Cable
H5047
1
H5047
1
6
Refractory, Base (Left)
H3664
1
H3664
1
26
Pilot Tube
74L56
1
74L56
1
7
Refractory, Base (Right)
H3665
1
H3665
1
8
Log Set, Complete
a. Log, Rear
b. Log, Rear Top
c. Log, Front Left
d. Log, Top Right
e. Log, Front Right
H5132
1
H5132
1
9
Burner Assembly
H5351
1
H5351
1
10
Burner Orifice
H5830
1
H5831
1
11
Bag of Glowing embers
88L53
1
88L53
1
12
Limit Switch
75L23
1
75L23
1
13
Damper Switch
H2327
1
H2327
1
14
Flexible Gas Line and shut-off
valve
93L32
1
93L32
1
15
Grate Assembly
H5352
1
H5352
1
---
Gas Fireplace Assembly
1
2
Gas Controls — Honeywell Electronic
No.
Description
Natural
Part No.
Propane
Qty.
Part No.
Qty.
30
Gas Valve - Honeywell
62L18
1
62L19
1
31
Pilot Assembly - Honeywell
62L14
1
62L15
1
32
Transformer
42J32
1
42J32
1
33
Igniter Assembly (kit)
87L54
1
87L54
1
Contact a Lennox Hearth Products dealer to obtain any of these parts. Never use substitute materials. Use of non-approved parts can result in
poor performance and safety hazards.
WARNING
AVERTISSEMENT
Failure to position the parts in accordance with these
diagrams or failure to use only parts specifically
approved with this appliance may result in property
damage or personal injury.
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
approuvées avec cet appareil sont utilisées.
24
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
Replacement Parts
8
b.
2
11
a.
d.
c.
e.
1
32
15
31
9
13
33
12
3
30
24
25
21
4
14
10
23
22
6
26
20
10 REF
14 REF
7
5
25
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX MERIT® SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
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.
Consult your local distributor for fireplace code information.
LENNOX®, the LENNOX design, DAVE LENNOX, the image of DAVE LENNOX and other related
LENNOX marks are registered or common law trademarks of Lennox Industries Inc. and are used
with permission.
Printed in U.S.A. © 2006 Lennox Hearth Products LLC
26
P/N 875034M REV. D 04/2013
1508 Elm Hill Pike, Suite 108 • Nashville, TN 37210
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