Pilot Stage

Terminal

Ground (TP)

TP

Gas Outlet

To Burner

Pressure-Tap (Inlet)

 

IN

TH TP

 

LO

HI

TH

OUT

 

 

VENT

Pilot Gas

Outlet

PILOT

IN

Supply Gas Inlet

Use pipe joint compound or Teflon tape on all pipe fittings before installing (ensure propane resistant compounds are used in propane ap- plications, do not use pipe joint compounds on flare fittings).

Air

Shutter

Rod

Venturi

Burner Stage

Regulator

Pressure-Tap

Terminal

Mounting Screw

(Manifold)

Figure 2

Valve Lever Arm

MAIN BURNER

ELECTRONIC

 

Sensor

Pilot

 

Hood

Ignitor

 

Note: If the ignitor is damaged, a replacement kit is available, order Catalog Number 87L54.

Figure 3

Electronic Appliances

Step 4. Dexen Electronic Valves - See Figure 2 and the instructions provided with the kit. Re- move and discard the two pressure regulator mounting screws. Remove the pressure regu- lator and diaphragm. Discard all removed components. Ensure the provided diaphragm is installed properly onto the replacement pres- sure regulator and install the new pressure regulator using the new screws supplied with the kit. Tighten screws.

See Figure 3 and replace the pilot orifice as follows: Remove pilot hood assembly to access the phillipped pilot orifice. Remove and replace the orifice with the one provided with the kit.

Exercise extreme care to prevent damage to or breakage of the ignitor assembly.

Step 5. (Refer to Figure 1 )

A. Remove the orifice from the manifold and replace it with the one provided in the kit. See the following table for orifice sizes for natural and propane models. Figure 4 illustrates the orifice.

B. Retrieve the burner and slide the venturi tube over the orifice. Set the shutter adjusting opening as shown in Figure 5.

Model No.

Orifice size

 

 

Natural

Propane

 

 

 

 

ELDV35

#38

#53

 

 

 

ELDV40

#37

0.062"

 

 

 

ELDV45

#36

0.065"

 

 

 

MPLDV30

0.070"

#61

 

 

 

MPLDV35

#56

#47

 

 

 

MPLDV40

#41

#54

 

 

 

MPLDV45

#40

#53

 

 

 

Figure 4

Step 6. Reassemble the remaining compo- nents by reversing the procedures outlined in the preceding steps.

FACTORY SHUTTER OPENING SETTING

Models

Natural Gas

Propane Gas

inches (mm)

inches (mm)

 

 

 

 

ELDV35

1/8 (3.2)

3/8 (9.5)

 

 

 

ELDV40

1/16 (1.6)

3/8 (9.5)

 

 

 

ELDV45

1/8 (3.2)

3/8 (9.5)

 

 

 

MPLDV30

3/32 (2.4)

3/16 (4.7)

 

 

 

MPLDV35

3/32 (2.4)

1/8 (1.6)

 

 

 

MPLDV40

3/16 (4.7)

3/8 (9.5)

 

 

 

MPLDV45

3/16 (4.7)

1/2 (12.7)

 

 

 

Figure 5

 

 

Step 7. Attach appropriate conversion kit label (Figure 6 ) to the rating plate on the appliance.

THIS APPLIANCE HAS BEEN CONVERTED TO:

NATURAL GAS

INPUT BTU/HR –

MANIFOLD PRESSURE – 3.5"

ORIFICE SIZE –

THIS APPLIANCE HAS BEEN CONVERTED TO:

PROPANE/LPG

INPUT BTU/HR –

MANIFOLD PRESSURE – 10"

ORIFICE SIZE –

Figure 6

Step 8. Turn on gas supply and test for gas leaks, using a soapy water solution.

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

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.

Printed in U.S.A. © 2006 by Lennox

LHP

P/N 750,217M REV. A 06/2007

1110 West Taft Avenue - Orange, CA 92865

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Lennox Hearth MPLDV35, MPLDV30, MPLDV40, MPLDV45 manual Natural GAS, Propane/Lpg, Main Burner, Electronic, Lhp
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MPLDV40, MPLDV35, MPLDV30, MPLDV45 specifications

Lennox Hearth has established itself as a leading name in the world of heating solutions, and its MPLD series, featuring models MPLDV30, MPLDV35, MPLDV40, and MPLDV45, showcases the brand's commitment to quality, efficiency, and design. Each of these models brings a unique set of features and technologies that cater to varying needs and preferences in home heating.

The MPLDV30 is a compact yet powerful direct vent gas fireplace designed for smaller spaces that still demand high efficiency and visual impact. It boasts an impressive efficiency rating of up to 85%, ensuring that homeowners can enjoy warmth without excessive energy costs. Featuring a contemporary design, this model allows for various decorative options, including multiple styles of logs and glass media, enhancing the visual appeal of any room.

Moving to the MPLDV35, this model takes efficiency to another level with its innovative heating technologies. It includes advanced LED lighting, which adds ambiance while consuming minimal energy. The MPLDV35 is designed with ease of use in mind, featuring a convenient remote control that allows homeowners to adjust flame height and heat output effortlessly. This versatility is perfect for those who appreciate both comfort and modern convenience in their heating solutions.

The MPLDV40 is built for those who have larger spaces needing warmth. This model offers an even greater heat output while maintaining a charming aesthetic appeal. Its impressive viewing area allows for an expansive flame display, making it a stunning focal point in any room. One key feature of the MPLDV40 is its dual flame technology, which provides flexibility between low and high flame settings, giving users control over both ambiance and heating needs.

Finally, the MPLDV45 model serves as the flagship of this series, designed to be both powerful and visually striking. Equipped with a multi-function remote, it facilitates smart home integration, allowing for heating adjustments right from a smartphone. The MPLDV45 also features a unique air distribution system, which ensures that heat is evenly spread throughout the room, delivering comfort wherever you are.

In summary, Lennox Hearth's MPLD series offers a range of models that are not only efficient and functional but also beautifully designed. With features like advanced lighting, dual flame technology, and remote control capabilities across the models, homeowners can find the perfect heating solution tailored to their needs while enjoying the elegant aesthetics that Lennox Hearth is known for.
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