Burner Air Shutter Adjustment Procedure

CAUTION

The air shutter door and nearby appliance surfaces are hot. Exercise caution to avoid injury while adjusting flame appearance.

Burner Air Shutter Adjustment Procedure

1. Locate adjustment rod and adjust air shutter to the standard setting as shown in Figure 60 (adjustment rod is located in the lower control compartment).

Note: Move the adjustment rod down to decreases air and up to increases.

2.Light appliance (follow lighting procedure on lighting label in control compartment or see homeowners manual).

3.Allow the burner to operate for at least 15 minutes while observing the flame continuously to ensure that the proper flame appearance has been achieved (see Figures57 or 58). If the following conditions are present, adjust accordingly.

•If flame appears weak or sooty, adjust the air shutter, incremen- tally, to a more open position until the proper flame appearance is achieved.

•If flame stays lowered blue, adjust the air shutter, incrementally, to a more closed position until the proper flame appearance is achieved.

Figure 58- Burner Flame Appearance Model LMDV-3328 & LMDV-3530

Figure 59 - Burner Flame Appearance Model LMDV-4035

4.Leave the control knob (off/pilot/on) in the ON position and the burner OFF/ON switch OFF (& remote switches, if applicable).

5.When satisfied that the burner flame appearance is normal, re-install the lower control compartment door then proceed to finish the instal- lation.

Adjustment Set-Screw

 

Adjustment

 

Rod Up

Burner

(Fully Open

Position)

Tube

 

Air Shutter

 

Adjustment Rod Down min.

Ref. Air shutter Patent:

air opening position)

U.S. Pat. 5,553,603

Main Burner Factory Air Shutter

Opening Setting - Inches (millimeter)

Model

Nat.Gas

Propane Gas

 

 

 

LMDVT-3328

1/16 (1.58)

1/4" (6.35)

 

 

 

LMDVR-3328

1/16 (1.58)

1/4" (6.35)

 

 

 

LMDV-3530

1/16(1.58)

5/16" (7.94)

 

 

 

LMDV-4035

1/8 (3.18)

3/8" (9.53)

 

 

 

Figure 60 - Burner Air Shutter Adjustment

Step 11. Hood Installation

(Refer to Figure 61) All of these appliances must have hoods installed prior to operating.

Install hood by sliding it into the slots on the lower edge of the cabinet top.

Finishing Requirements - Wall Details

Complete finished interior wall. To install the appliance facing flush with the finished wall, position framework to accommodate the thickness of the finished wall (Figure 61 ).

See Page 4 for Cold Climate Insulation

and Page 7 for Clearances

 

This Area Must

3"

 

Remain Clear of

 

(76 mm)

 

Combustible

 

Materials

 

Combustible Finished

1 in. Min.

 

Wall Materials

 

 

(25 mm)

 

 

Top Spacers

 

Drywall Bracket / Spacer

Combustible material may touch the appliance top

Top of Appliance Louvers

Top of Door Frame

Hood must be installed as shown.

Figure 61 - Combustible Wall Framing

30

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

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Lennox Hearth LMDVT-3328-CPM Burner Air Shutter Adjustment Procedure, Hood Installation, Drywall Bracket / Spacer
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LMDV-3530-CNM, LMDV-35 Series, LMDVR-3328-CNE, LMDV-4035-CNE, LMDV-4035-CPM specifications

Lennox Hearth products are renowned for their quality, efficiency, and innovative technologies that optimize the home heating experience. Among the standout offerings in their lineup are the LMDV-3530-CPM, LMDVR-3328-CPM, LMDV-3530-CNE, LMDVT-3328-CPM, and LMDVR-3328-CNM models. Each of these products embodies the brand's commitment to performance and design, making them a popular choice for modern homeowners.

The LMDV-3530-CPM gas fireplace boasts a contemporary aesthetic combined with powerful heating capabilities. It features a clean face design that enhances the viewing experience while maximizing warmth in the room. The unit is equipped with advanced technology that includes multi-speed blowers for efficient air circulation, allowing users to enjoy consistent heat throughout the space. Its variable flame and heat control options ensure that homeowners can customize their ambience and comfort levels according to their preferences.

Similarly, the LMDVR-3328-CPM model is designed for versatility and efficiency. Its modern fireplace insert converts existing masonry fireplaces into high-efficiency heating systems. Featuring a sleek design, this insert incorporates innovative venting technologies that enable it to operate in diverse installation configurations, enhancing both aesthetic appeal and functionality. Homeowners can appreciate the adjustable flame and fan speed settings, which provide tailored heating solutions.

The LMDV-3530-CNE model distinguishes itself through eco-friendly features. It employs advanced combustion technology that reduces emissions without sacrificing heat output. This model stands out as an environmentally responsible option, suitable for conscious consumers who wish to reduce their carbon footprint. Its easy-to-use controls and stylish design make it a favored choice among discerning homeowners.

The LMDVT-3328-CPM continues the trend of performance and versatility. This model combines traditional charm with modern efficiency, featuring a large viewing area that allows for an inviting flame display. The unit’s heat exchanger is designed for maximum heat transfer, ensuring that warmth is efficiently distributed throughout the room.

Lastly, the LMDVR-3328-CNM model is perfect for those seeking an efficient upgrade for their traditional fireplace. With its stunning design and advanced features, including optional remote control and programmable settings, this model takes convenience to new heights.

Overall, Lennox Hearth’s suite of models combines elegance, efficiency, and innovation, ensuring that homeowners can find the perfect heating solution to complement their living spaces. Each product is engineered with state-of-the-art technologies that reflect Lennox’s dedication to quality and customer satisfaction.
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