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MODELS

OTL Report No. 116-F-36d-5

INSTALLATION INSTRUC

TIONS

MPB B-Vent  

Gas Fireplaces

MILLIVOLT:

ELECTRONIC:

MPB33CNM

MPB33CPM

MPB35CNM

MPB35CPM 

MPB40CNM

MPB45CNM

MPB33CNE

MPB35CNE

MPB40CNE

MPB45CNE

P/N 506015-05   Rev. D   04/2013 

This manual is one of a set of two supporting this product.  

Refer to P/N 506017-04 for Care and Operation Instructions.
Ce manuel est disponible en francais, simplement  

en faire la demande. Numéro de la pièce 506223-45.

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.

Decorative Product: Not for use as a heating appliance.

NOTICE:  Fireplace is not to be operated by a thermostat.  

03

/27

/20

13

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.   

 

 

 

 

 

WARNING: If the information in these instructions

is not followed exactly, a fire or explosion may

result, causing property damage, personal injury,

or death.   

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.

  EL VIDRIO CALIENTE 

  CAUSARÁ QUEMADURAS. 

USTED DEBE NUNCA 

  TOCAR EL VIDRIO CALIENTE.

 

LOS NIÑOS DEBEN NUNCA 

  TOCAR EL VIDRIO.

- 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.

- 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.

Summary of Contents for MPB33CNE

Page 1: ... 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 EL VIDRIO CALIENTE CAUSARÁ QUEMADURAS USTED DEBE NUNCA TOCAR EL VIDRIO CALIENTE LOS NIÑOS DEBEN NUNCA TOCAR EL VIDRIO Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT ...

Page 2: ...on 5 Vent Termination Clearances 5 Appliance and Vent Clearances 6 Pre Installation Steps 7 Typical Installation Sequence 7 Detailed Installation Steps 7 Step 1 Framing 7 Framing Specifications 8 Fireplace Specifications 9 Step 2 Routing Gas Line 9 Step 3 Installing Vent System 10 Step 4 Field Wiring 11 Step 5 Wiring Optional Forced Air Blower Kit 12 Step 6 Connecting Gas Line 12 Step 7 Installing...

Page 3: ...nal Safety Standards and are tested and listed by OMNI Test Laboratories Inc Report No 116 F 36d 5 toANSIZ21 50b 2009 inCanada CSA 2 22b 2009 and CAN CGA 2 17 M91 R2009 in both USA and Canada as vented gas fireplaces Bothmillivoltandelectronicversionsofthese appliances may be used in bedrooms only when the room is an unconfined space as defined by the National Fuel Gas Code Use in bedrooms may not...

Page 4: ...onin 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 Com monwealth of Massachusetts The flexible gas line connector used shall not exceed 36 inches 92 centimeters in length The individual manual shut o...

Page 5: ...d out of traffic and away from furniture and draperies Figure 3 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 Figure 3 The location should also be free of electrical plumbing or other heating air conditioning ducting Be aware that this is a heat producing ap pliance Objects placed above the unit ...

Page 6: ... side of the fireplace may abutt a perpendicular wall For this type of installation the other side of the fireplace must be a flat wall to allow for proper air flow and burner operation Combustiblematerialsmayprojectbeyondone or both sides of the fireplace opening when these materials are kept within the Safe Zone illustrated in Figure 6 3 1 2 in 89mm Top View of Fireplace Combustiblematerials may...

Page 7: ...abs one on each side located at the base of the fireplace and secure to the floor by nailing with 8d nails or equivalent see Figure 10 Anchor Tab Step 10 REMOVING AND Installing THE Glass Door Page 19 Step 11 Burner Adjustments Page 19 Adjust burner primary air shutter to achieve proper flame appearance Step 12 TESTING VENT OPERATION Page 21 Vent operation test and safety limit switch operation St...

Page 8: ... Enclosure Including Finishing Materials if any Rough Framing Face Unfinished Shown o N l e d o M A t i n U e z i S A g n i m a r F e z i S B C D E F G H J K n i 5 3 8 1 5 3 4 1 5 3 4 1 9 1 8 5 9 1 7 5 2 1 4 3 8 2 6 1 4 6 1 9 6 8 5 0 4 m m 2 9 8 5 9 8 5 9 8 3 8 4 8 9 4 0 6 4 1 0 3 7 6 0 4 2 0 1 7 6 1 2 3 0 1 n i 8 1 0 4 4 1 0 4 4 1 0 4 4 2 8 5 4 2 6 1 3 1 1 6 6 1 1 0 3 6 1 4 6 1 9 6 2 3 1 1 3 4 m ...

Page 9: ...lynoone unfamiliarandunqualifiedshouldattemptsizing or installing gas piping NOTES All appliances are factory equipped with a flexible gas line connector and 1 2 shutoff valve see Figure 21 on Page 13 Step 2 ROUTING Gas Line Routea1 2 13mm gaslineasshowninFigure 13 Gas lines must be routed constructed and made of materials that are in strict accordance withlocalcodesandregulations Theappliance as ...

Page 10: ...rtical is used or 15 4 6 m when an offset is greater than 45 degrees and up to 60 degrees see Figure 17 The offset may start at the fireplace flue collar The maximum overall height of the vent system and appliance should not exceed 40 feet Install the B vent system in accordance with the vent manufacturer s instructions Required Pipe Diameter MPB33 series Requires 4 102 mm MPB35 series Requires 5 ...

Page 11: ...TIONAL GROUND BATTERY HOLDER DFC WIRE HARNESS SPARK WIRE CABLE PILOT GROUND WIRE PILOT SENSOR CABLE HOOD IGNITER ROD FLAME SENSOR PILOT TUBE CPI SWITCH OFF O INTERMITTENT PILOT MODE ON STANDING PILOT MODE PROFLAME DFC BOARD PROFLAME VALVE ELECTRONIC PILOT ASSEMBLY B BLACK BR BROWN GY GRAY PU PURPLE R RED BL BLUE G GREEN O ORANGE W WHITE Y YELLOW WIRING COLOR CODE B B B R R W W B B B B BL BL G G O ...

Page 12: ... the grounding prong from the plug Step 6 Connecting Gas Line Make gas line connections All codes require a shut off valve mounted in the supply line The orientation of the shut off valve should face the front see Figure 22 Figure 21 illustrates two methodsforconnectingthegassupply Theflex line method is acceptable in the U S however Canadian requirements vary depending on locality Installation mu...

Page 13: ... DONOTterminatetheductcloserthan3 below the chimney top Outside supplemental combustion air ducting may be run upwards or vertically through framing and ceiling joists with the hood installed through an outside wall and 3 1 m belowthetermination Ductingmayalsoberun downward through floor joists and under the hometoaventilatedcrawlspacenotconsidered part of the living area of the home Outside Air C...

Page 14: ... for MPB35 Series appliances and Figure 30 for MPB40 and MPB45 Series appliances NOTE Turn off all electricity to the appliance before you install volcanic stone embers and logs The flame should project 1 25 mm beyond the hood at all three ports see Figure 24 Replace logs if removed for pilot inspection To light the burner turn ON the remote wall switch and rotate the gas valve control knob counte...

Page 15: ...nt door see Removing the Glass Enclosure Panel on Page 19 Step 2 Install decorative volcanic stone Sprinkle the decorative volcanic stone in a pleasing pattern The volcanic stone should be placed directly on top of the firebox bottom along the front and to the back at the right and left sides of the burner Position any optional ceramic fiber liners before placing the stone Logs should be positione...

Page 16: ...upper end Place the left log and then the smaller left and right top logs All logs that have notches to fit over the grate tines should be positioned with these notches directly against the grate All top logs that rest on lower logs do so over flattened mounting faces in the bottom logs Properlogandtwigplacementiscriticaltoencourageoutstanding flame appearance and prevent sooting 3 2 4 5 6 1 2 3 4...

Page 17: ... placed in the order shown Position the rear log on the brackets at the rear of the firebox with the log s notches directly over the brackets Position the right log log no 3 by inserting the pin from the rear log into the hole on its upper end Place the left log and then the smaller left and right top logs All logs that have notches to fit over the grate tines should be positioned with these notch...

Page 18: ...ion the individual logs as shown below Logs should be placed in the order shown Position the center log on the burner first then place the glowing embers as shown in Figure 27 Place the rear log both the right and left and then the smaller left and right top logs All logs that have notches to fit over the grate tines should be positioned with these notches directly against the grate All top logs t...

Page 19: ...t appear sooty NOTE Thefollowingchartisprovidedtoaidyou in achieving the correct air shutter adjustment for your installation Removing the Glass Enclosure Panel see Figure 31 Removethetoplouverassembly Openthelower control compartment door see Figure 22 on Page 13 by pressing in simultaneously at the left and right top corners of the door the door is hinged at the bottom Remove the bottom compartm...

Page 20: ...position 1 Refer to Figures 32 33 and 34 for proper flame appearance To adjust the flame refer to Figure 35 and move the rod up and down the adjustment rod is located in the lower control area Position the air shutter to the factory setting as shown in Table 8 2 Light appliance follow lighting procedure on lighting label in control compartment or in the Care and Operation Instructions 3 Allow the ...

Page 21: ...ure 37 for its location If during appliance operation the flame goes out independently of the burner on off wall switch it may be due to a blocked vent If this condition occurs the safety limit switch will activate causing the fireplace burner to shut off To reset the safety limit switch perform the following steps NOTE Allow the appliance to cool completely 7 Remove the top louver panel 8 Reset t...

Page 22: ...de 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 En cas de doute collez l étiquette en anglais 3 Si vous ne trouvez pas les étiquettes veuillez appeler Lennox Hearth Produc...

Page 23: ...sembly C Remove the burner assembly with attached venturi tube Millivolt and Electronic Ignition System Appliances Step 1 SIT Systems Refer to Figure 38 and the instructions provided with the SIT Regu lator Conversion Kit Using a Torx T20 driver to remove and discard the pressure regulator mounting screws two screws for electronic models three screws for millivolt models pressure regulator tower t...

Page 24: ...y proper burner ignition and operation See Burner Adjustments and Burner Flame Appearance on Pages 19 and 20 Step 12 Inspect the pilot system for proper flame The pilot flame should engulf the flame sensor as shown in Figures 24 and 25 on Page 14 Step 13 Using a manometer test the inlet and manifold gas pressures see Tables 2 and 3 on Page 4 ALWAYS TEST PRESSURES WITH THE VALVE REGULATOR CONTROL A...

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