Desa (V)gM42h Technical Service, Outside air and damper handle operation, Cleaning Glass

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Operation and

maintenance Guidelines

Continued

Cleaning Glass

Clean glass with any commercial glass cleaner or soap and water. Do not use any abrasive material to clean glass. Do not clean glass with any cool water if glass is still hot from the fire and smoke. A gas line or gas log lighter may be installed for the purpose of installing a vented or vent-free deco- rative gas appliance incorporating an automatic shutoff device and complying with the Standard for Decorative Gas Appliances for Installation in Vented Fireplaces, ANSI Z21.60 or American Gas Association draft requirements for Gas Fired Log Lighters for Wood Burning Fireplaces, Draft NO. 4 dated August, 1993.

If you wish to install an unvented (vent-free) gas log set, only unvented gas log sets which have been found to comply with the standard for unvented room heaters, ANSI Z21.11.2 are to be installed in this fireplace.

outside air and damper handle operation

The damper handle, which opens and closes the damper blade, is located in the upper front face of the fireplace. Pushing the handle forward and up through the keyway slot will free damper blade to automatically open. Pushing the handle forward and down will lock damper blade closed (see Figure 31).

The outside air kit lever is located at the left and right hand sides of fireplace (see Figure 32). Lift- ing lever up will free the outside air door to open. Pulling lever down will lock the door.

WARNING: Risk of fire! Re- place grate with DESA model 109496-03 GM36, 109496-02 GM42,109496-01GM50grateonly. This grate has been designed to keep the operation of your fire- place safe and efficient.

Damper

Weight

To Close

Damper

Damper

Weight

To Open

Damper

Figure 31 - Operating Damper Handle

Open Position

Closed Position

Figure 32 - Outside Air Kit Lever

Technical Service

You may have further questions about installation, operation, or troubleshooting. If so, contact DESA’s Technical Service Department at 1-866-672-6040. When calling please have your model and serial numbers of your heater ready.

You can also visit DESA’s technical services web site at www.desatech.com.

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www.desatech.com

112435-01M

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Contents Save this Book Table of Contents Safety InformationSpecifications Models VGM36H and GM36HModels VGM42H and GM42H Models VGM50H and GM50H Fireplace Installation Selecting locationMinimum clearance to combustibles FramingHearth Extension MantelsVenting Installation Assembly and installation of double wall chimney systemOptional Outside air Kit Model ak4/ak4f Chimney PipeUsing Elbow offsets 30E-12DM Elbow SET onlyFirestop Spacers FS-10, 1100EFS-10DM for GM36 Penetrating the roofRoof Opening GM36 Roof Opening GM42/50Flashing installation v6f-10dm or v12f-10dm Storm Collar Installation SC2-1Installing Flashing on a Metal Roof Terminations/Spark ArrestorOptional Gas Line Installation Chase installationsFoot rule Finishing the fireplaceGas Line Knockout Brick Installation Installing Brick SStandard Brick Installation for Model VGM36 Herringbone Brick Installation for Model VGM36HStandard Brick Installation for Model VGM42 Herringbone Brick Installation for Model VGM42HStandard Brick Installation for Model VGM50 Herringbone Brick Installation for Model VGM50HStandard Brick Matrix VGM36 Herringbone Brick Matrix VGM36HStandard Brick Matrix VGM42 Herringbone Brick Matrix VGM42HStandard Brick Matrix VGM50 Herringbone Brick Matrix VGM50HInstalling Z-shaped Grate Retainer Bracket Grouting instructionsModel Distance Apart Glass Door Installation AssemblyInstallation Door frame Models BDMO36E/G/C, BDMO42E/G/C and BDMO50E/G/COperation Maintenance Guidelines Installing glass doorsDoor Adjustment Glass DoorsTechnical Service Cleaning GlassOutside air and damper handle operation Replacement and Accessory Parts Bi-Fold Glass Masonry DoorGrate Offset and ReturnRoof Flashing Round ToP TErminations RLT-12D and RLT-12HTV6F-10DM 0 to 6/12 Pitch V12F-10DM 6/12 to 12/12 Pitch 112435-01M Not a UPC

(V)gM36, (V)gM36h, (V)gM42h, (V)gM42, (V)gM50h specifications

Desa (V)gM36h, (V)gM42h, (V)gM42, (V)gM50h, and (V)gM50 are advanced models of the Desa family, showcasing a blend of innovative technologies and robust characteristics designed for versatile functionality in various environments. These models gain recognition for their performance in both residential and commercial applications, each tailored to meet specific user needs.

The (V)gM36h model stands out with its compact design yet powerful capability. It features high energy efficiency, which contributes to lower operational costs while maintaining exceptional performance. The model operates with an advanced control system allowing precise temperature adjustment, ensuring user comfort and energy optimization.

Meanwhile, the (V)gM42h enhances the features of the 36h model with added functionality. Its integration of smart technology allows remote management through mobile applications, facilitating ease of use. The (V)gM42h comes equipped with a self-diagnosis feature that monitors system performance in real-time, alerting the user to potential issues before they become significant problems.

The (V)gM42 is designed with sustainability in mind. It utilizes eco-friendly refrigerants that comply with environmental regulations while delivering optimal cooling and heating performance. This model is also noted for its noise reduction technology, making it an ideal choice for residential spaces where tranquility is paramount.

On the higher end, the (V)gM50h model combines enhanced capacity with advanced features that cater to larger spaces. It integrates variable-speed technology, allowing the system to adjust its output dynamically, which enhances energy efficiency and comfort. The (V)gM50h also includes a robust filtration system that improves indoor air quality by minimizing pollutants.

Finally, the (V)gM50 serves as a flagship offering, combining all the notable advantages of its predecessors with even greater performance efficiency and user-friendly features. It is engineered for heavy-duty performance, making it suitable for demanding commercial applications while still maintaining a user-centric approach for ease of operation.

Collectively, the Desa models represent a significant advancement in temperature control technology, combining energy efficiency, user-friendly features, and environmental considerations to meet the modern demands of users across various sectors.
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