Lennox Hearth MLDVTCD-35NM User Manual

Browse online or download User Manual for Fireplaces Lennox Hearth MLDVTCD-35NM. Lennox Hearth MLDVTCD-35NM User's Manual

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MODELS
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.
INSTALLATION INSTRUCTIONS
MLDVTCD Direct-Vent
Contemporary Design
Gas Fireplaces
MLDVTCD-35NM
MILLIVOLT:
MLDVTCD-35NE
ELECTRONIC:
P/N 506015-03 Rev. F 06/2011
This manual is part of a set of three supporting this product.
Refer to manual 506017-02 for Care and Operation information
and 506019-40 for Facade Installation Instructions.
Ce manuel est disponible en francais, simplement
en faire la demande. Numéro de la pièce 506223-05.
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.
Report No. 100353019PRT-002
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 suppliers
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.
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Summary of Contents

Page 1 - AVERTISSEMENT

MODELSThis appliance may be installed in an aftermarket permanently located, manufactured home (USA only) or mobile home, where not prohibited by loca

Page 2 - WARNING

10NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.LENNOXHEARTHPRODUCTS•MERIT® SERIESDIRECT-VENTCONTEMPORARYDESIGNGASFIREPLACES•MOD

Page 3

11NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.LENNOXHEARTHPRODUCTS•MERIT® SERIESDIRECT-VENTCONTEMPORARYDESIGNGASFIREPLACES•MOD

Page 4 - H T P T H T P T

12NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.Select Venting System - Horizontal or VerticalWith the appliance secured in framing, determine v

Page 5 - VERTICAL VENT

13NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.VERTICAL TERMINATION SYSTEMS (ROOF)See Figure 15 on Page 13 and Figures 23-25 on Pages 16 and

Page 6 - Side Elevation View

14NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.Vertical (Offset) InstallationAnalyze the vent routing and determine the quantities of ven

Page 7 - Figure 6

15NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.LENNOXHEARTHPRODUCTS•MERIT® SERIESDIRECT-VENTCONTEMPORARYDESIGNGASFIREPLACES•MOD

Page 8 - * Inches (millimeters)

16NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.LENNOXHEARTHPRODUCTS•MERIT® SERIESDIRECT-VENTCONTEMPORARYDESIGNGASFIREPLACES•MOD

Page 9

17NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.Maintain a minimum 1" (25 mm) clearance to combustibles on the vertical sections. Clear-anc

Page 10 - Framing

18NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.Push the vent component against the previous section until it fully engages, then twist t

Page 11 - MLDVTCD-35

19NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.J. Assemble vent run to exterior wall - If not previously measured, locate the center of the ven

Page 12

2TABLE OF CONTENTS Packaging ...Page 2Introduction ...Page 2General Informa

Page 13 - TRAHCHTGNELNOITCESTNEV

20NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.Table CH Maximum V Minimum feet (meter) feet (meter)3 (0.914) Elbow OnlyTable DH Maximum V Mini

Page 14

21NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.See Table 8 on Page 20 as an aid in venting component selection for a particular

Page 15 - Flashing

22NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.HORIZONTAL VENT FIGURES / TABLES (CONTINUED)Table FH + H1 Maximum V Minimumfeet (meter) feet (m

Page 16 - WARNING

23NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.LENNOXHEARTHPRODUCTS•MERIT® SERIESDIRECT-VENTCONTEMPORARYDESIGNGASFIREPLACES•MOD

Page 17

24NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.JUNCTION BOXWGRBK120 VACBKRTRANSFORMER 3VINTERMITTENT ELECTRONIC WIRING DIAGRAMBROWNBROWNBLACKBA

Page 18 - Figure 26

25NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.LENNOXHEARTHPRODUCTS•MERIT® SERIESDIRECT-VENTCONTEMPORARYDESIGNGASFIREPLACES•MOD

Page 19

26NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.Length Of Pipe With Attached Shut-Off ValveFigure 40LENNOXHEARTHPRODUCTS•MERIT® SERIESDI

Page 20

27NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.Turn on gas supply and test for gas leaks, us-ing a gas leak test solution (also referred to as

Page 21 - = 20 ft. (6.096 m) Max

28NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.Install Tumbled River Stone (MTRS) - IMPORTANT: Refractory panels should be installed before

Page 22 - Elbow Only

29NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.LENNOXHEARTHPRODUCTS•MERIT® SERIESDIRECT-VENTCONTEMPORARYDESIGNGASFIREPLACES•MOD

Page 23 - Figure 34

3 Input (BTU/HR) Manually-Modulated Gas Valves (all models)ModelsInput Rate (BTU / HR)Nat. Gas Prop. GasMLDVTCD-35 14,500 high11,500 low13,500 high10

Page 24 - JUNCTION BOX

30NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.Air Shutter Adjustment Guidelines:Amount of Primary AirFlame ColorAir Shutter AdjustmentIf air s

Page 25 - BLOWER KIT

31NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. WARNINGS• Air shutter adjustment should only be performed by a quali-fied professional serv

Page 26 - Gas Flex Line Connector

32NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.FINISHING REQUIREMENTS - Contemporary FacadeThis contemporary unit is uniquely suited for mid-wa

Page 27 - Never use an open flame to

33NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.Step 12. ATTACHING SAFETY-IN-OPERATION WARNINGSIt is the installers responsibility to ensure the

Page 28

34NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.LENNOXHEARTHPRODUCTS•MERIT® SERIESDIRECT-VENTCONTEMPORARYDESIGNGASFIREPLACES•MOD

Page 29 - Figure 43

35NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.LENNOXHEARTHPRODUCTS•MERIT® SERIESDIRECT-VENTCONTEMPORARYDESIGNGASFIREPLACES•MOD

Page 30

36NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.LENNOXHEARTHPRODUCTS•MERIT® SERIESDIRECT-VENTCONTEMPORARYDESIGNGASFIREPLACES•MOD

Page 31 - CAUTIONS

37NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.* Standard size installed at factory** Standard size in LP conversion kit• Part /Cat. NumberLEN

Page 32 - Step 11. HOOD INSTALLATION

LENNOXHEARTHPRODUCTS•MERIT® SERIESDIRECT-VENTCONTEMPORARYDESIGNGASFIREPLACES•MODELMLDVTCD-35•INSTALLATIONINSTRUCTIONSPrinted in

Page 33

4NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.Inlet Gas Supply Pressure (all models)Fuel # Minimum MaximumNatural Gas4.5" WC(1.12 kPa)10.5

Page 34 - INSTALLATION ACCESSORIES

5NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.Figure 3 - Typical LocationsNOITACILPPATNEVPOT APPLICATIONTOP VENTTNEVPOTNOITACILPPARECESSEDINSTA

Page 35

6NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.LENNOXHEARTHPRODUCTS•MERIT® SERIESDIRECT-VENTCONTEMPORARYDESIGNGASFIREPLACES•MODE

Page 36 - Assembly

7NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.LENNOXHEARTHPRODUCTS•MERIT® SERIESDIRECT-VENTCONTEMPORARYDESIGNGASFIREPLACES•MODE

Page 37 - ELECTRONIC

8NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.5 (127) 8-1/4 (209) 14 (356) 12 (305) 19 (483)*Shelf Height(see table)Do not insulate thespace be

Page 38

9NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.DETAILED INSTALLATION STEPSThe appliance is shipped with all gas controls and components installe

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