Lennox Merit MLDVTCD-35NE-FB Installation Instructions Manual Download Page 1

INSTALLATION INSTRUC

TIONS

Please read and understand these instructions  

before starting installation.

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.

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.

P/N 506015-09   Rev. A   04/2013 

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

Refer to P/N 506017-08 for Care and Operation Instructions.
Ce manuel est disponible en francais, simplement  

en faire la demande. Numéro de la pièce 506223-60.

This appliance may be installed in an aftermarket permanently located, manufactured home (USA only) or mobile 

home, where not prohibited by local codes. This appliance is only for use with the type of gas indicated on the 

rating plate. This appliance is not convertible for use with other gases, unless a certified kit is used.

Report No. 100353019PRT-002

ELECTRONIC:

MILLIVOLT:

MLDVTCD Direct-Vent 

Gas Fireplaces

MLDVTCD35NE-2 

MLDVTCD-35NE-FB

MLDVTCD-35NM 

MLDVTCD-35NM-FB

MODELS

Summary of Contents for Merit MLDVTCD-35NE-FB

Page 1: ...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...

Page 2: ...vent of a power outage four 4 AA batteries in battery holder provide backup power for appliance operation excluding optional blower These vented gas fireplace heaters are sealed combustion air circula...

Page 3: ...sont utilis es NOTE Installation and repair should be done by a qualified service person The appliance should be inspected before use and at least annually by a professional service person More frequ...

Page 4: ...vel to High Altitude These appliances are tested and approved for installation at elevations of 0 4500 ft 0 1372 m above sea level using the standard burner orifice sizes marked with an in Table 4 For...

Page 5: ...e wall on the other side of the unit must not extend beyond the front edge of the unit The location should also be free of electrical plumbing or other heating air conditioning ducting These direct ve...

Page 6: ...ation Clearances 12 X Roof Pitch is X 12 2 FT MIN 2 FT MIN Lowest Discharge Opening H H MINIMUM HEIGHT FROM ROOF TO LOWEST DISCHARGE OPENING OF VENT TERMINATION HEIGHTS FOR VENTS ABOVE FLAT OR SLOPED...

Page 7: ...in 50 8 mm minimum SV4 5HT 2 6 in 152 mm minimum SV4 5HTSS 2 in 50 8 mm minimum SV4 5HT 2 6 in 152 mm minimum SV4 5HTSS H Clearance to each inside of center line extended above meter regulator assembl...

Page 8: ...r higher on the underside of the mantel MINIMUM CLEARANCE TO COMBUSTIBLES The appliance is approved with zero clearance to combustible materials on all sides Table 7 with the following exception When...

Page 9: ...e inner pair for 5 8 in materials Headers may be in direct contact with the appliance top standoff spacers when they are bent up vertically maintaining the 3 in clearance to the fireplace top but must...

Page 10: ...m Or Floor Add Minimum Of 6 in For Raised Platform If Installing With Contemporary Facade MLDVTCD 35 in 35 1 4 35 1 4 38 3 4 16 mm 895 895 984 406 Based on CSA P 4 1 09 Note Diagrams illustrations and...

Page 11: ...o the exact dimensions specified in the framing details in this manual Vertical Venting through the Ceiling Use a plumb line from the ceiling above the appliance to locate center of the vertical run C...

Page 12: ...local codes in any way Install venting according to local codes these instructions the current National Fuel Gas Code ANSI Z223 1 in the USA or the current standards of CAN CSA B149 1 in Canada Ensure...

Page 13: ...1 5 7 625 0 0 2 0 1 3 93 7 75 0 0 0 0 2 2 96 8 1 0 1 2 0 4 97 5 8 125 1 0 0 0 2 3 102 8 5 2 0 0 0 2 4 103 5 8 625 0 0 0 3 0 3 108 9 1 0 0 3 0 4 114 9 5 0 2 0 0 2 4 117 9 75 1 0 5 0 0 6 118 5 9 875 1 1...

Page 14: ...to a length of vent run align the dimpled end over the inclined channel end of the previously installed section adjusting the radial alignment until the four locking dimples are aligned with the inlet...

Page 15: ...e vent sections to the height as shown in Vertical Vent Termination Clearances on Page 6 The SV4 5CGV 1 vertical termination Figure 19 installs in the exact same fashion as any other Secure Vent secti...

Page 16: ...ned together Vertical Vent Tables and Figures NOTE Secure Vent rigid vent pipe is shown in the figures Secure Flex flexible vent pipe may also be used NOTE It is very important that the horizontal inc...

Page 17: ...1 524 Elbow Only 5 1 524 1 0 305 10 3 048 2 0 610 15 4 572 3 0 914 20 6 096 4 1 219 H H1 20 ft 6 1 m maximum V V1 H H1 40 ft 12 2 m maximum Install the U shaped vent restrictor in any vent run with m...

Page 18: ...aligned with the inlets of the four incline channels of the previous section Push the vent component against the previous section until it fully engages then twist the component clockwise running the...

Page 19: ...RCH provided with the termination to the vent section or telescoping vent section elbow or appliance collar as shown in Figure 23 in the same manner as any SV4 5 vent component Step 5 12 Install Fires...

Page 20: ...owed 5 ft of H horizontal run up to a maximum horizontal run of 20 ft Horizontal Vent Tables and Figures NOTE Secure Vent components rigid vent pipe and terminal are shown in the figures Secure Flex c...

Page 21: ...un up to a maximum horizontal run of 20 ft An elbow is acceptable as 1 foot of vertical rise except where an elbow is the only vertical component in the system Table 20 Table 23 Top Vent Three 90 Elbo...

Page 22: ...the flexible vent to the adaptor outer collar approximately 3 4 in from the end of the flex f Install three 3 screws 120 apart through the flexible vent pipe and into the adaptor collar just below th...

Page 23: ...SWITCH B VENT MODELS ONLY AC DC POWER ADAPTOR HOT NEUTRAL OPTIONAL GROUND BATTERY HOLDER DFC WIRE HARNESS SPARK WIRE CABLE PILOT GROUND WIRE PILOT SENSOR CABLE HOOD IGNITER ROD FLAME SENSOR PILOT TUB...

Page 24: ...ont Figure 29 illustrates two methods for connecting the gas supply A sediment trap is recommended to prevent moisture and debris in the gas line from damaging the valve WARNING Never use an open flam...

Page 25: ...the Care and Operation Instructions For piezo igniter location on millivolt appliances see Figure 30 NOTE Lighting instructions may be found on the tags attached to a cable in the control compartment...

Page 26: ...o firebox and position against the rear wall of the firebox Table 25 4 Carefully insert the Zen Garden left side panel into firebox at a slight angle away from the sidewall Position the side panel as...

Page 27: ...r Rear Panel Rear Zen Garden Panel Burner Outlet Black Obsidian Contemporary Glass Tumbled River Stone Burner Outlet Tumbled River Stone NOTE River Stone And Beach Sand May Be Used Together Zen Garden...

Page 28: ...he top flange of the glass door over the top of the firebox frame Let the bottom of the glass door swing gently in towards the fireplace ensuring that the gasket seats evenly as the glass door draws s...

Page 29: ...d up to increase it rod located in the lower control area Position the air shutter to the factory setting as shown in Table 27 2 Light the appliance follow the lighting procedure on the lighting label...

Page 30: ...ts This contemporary unit is uniquely suited for mid wall installations with an available self finishing decorative contemporary fa ade The decorative contemporary fa ade is listed in the accessories...

Page 31: ...primarily spoken in the home If unknown affix the English language label 3 If you are unable to locate the labels please call Lennox Hearth Products or your nearest Lennox Hearth Products dealer to r...

Page 32: ...hroud Kit 99L03 SV4 5HRK36 Horizontal Riser Kit 36 in 99L02 SV4 5HRK14 Horizontal Riser Kit 14 in H8914 SV4 5TK90HT2 Horizontal Termination Kit HT 2 with 90 elbow H8915 SV4 5TK90SS Horizontal Terminat...

Page 33: ...without flex 77L87 SFKIT12S Square Term for flex with 12 in 305 mm compressed flex 77L88 SFKIT18S Square Term for flex with 18 in 457 mm compressed flex 77L89 SFKIT24S Square Term for flex with 24 in...

Page 34: ...te ni compl te tant que le bon fonctionnement de l appareil converti n a pas t v rifi selon les instructions du fabricant fournies avec la trousse Le fournisseur de service qualifi ayant r alis l inst...

Page 35: ...regulator is properly positioned and install the new pressure regulator assembly using the supplied screws Tighten the screws to 25 lb in 8 Install the enclosed identification label to the valve body...

Page 36: ...tice 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...

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