Desa UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER installation manual Safety, Information

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SAFETY

 

WARNING ICONG 001WARNINGS Continued

WARNING: Any change to this heater or its controls can be dangerous.

INFORMATION

1.

This appliance is only for use with the type of gas indicated on the rating plate. This

 

Continued 2.

appliance is not convertible for use with other gases.

If you smell gas

•shut off gas supply

•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

3.This heater shall not be installed in a bedroom or bathroom unless installed as a vented appliance (see page 14).

4.Never install the heater

•in a recreational vehicle

•where curtains, furniture, clothing, or other flammable objects are less than 36 inches from the front, top, or sides of the heater

•in high traffic areas

•in windy or drafty areas

5.Before installing in a solid fuel burning fireplace, the chimney flue and firebox must be cleaned of soot, creosote, ashes and loose paint by a qualified chimney cleaner. Creosote will ignite if highly heated. Inspect chimney flue for damage. If damaged, operate heater with flue damper closed.

6.If fireplace has glass doors, never operate this heater with glass doors closed. If you operate heater with doors closed, heat buildup inside fireplace will cause glass to burst. Also if fireplace opening has vents at the bottom, you must open the vents before operating heater.

7.You must operate this heater with a fireplace screen in place. Make sure fireplace screen is closed before running heater.

8.This log heater is designed to be smokeless. If logs ever appear to smoke, turn off heater and call a qualified service person. Note: During initial operation, slight smoking could occur due to log curing and heater burning manufacturing residues.

9.Do not allow fans to blow directly into the fireplace. Avoid any drafts that alter burner flame patterns. Ceiling fans can create drafts that alter burner flame patterns. Altered burner patterns can cause sooting.

10.Do not use a blower insert, heat exchanger insert or other accessory not approved for use with this heater.

11.This heater needs fresh, outside air ventilation to run properly. This heater has an oxygen depletion sensor (ODS) pilot light safety system. The ODS shuts down the heater if not enough fresh air is available. See Air for Combustion and Ventilation, pages 5 through

8.If heater keeps shutting off, see Troubleshooting, pages 25 through 28.

12.Do not run heater

•where flammable liquids or vapors are used or stored

•under dusty conditions

13.Do not use this heater to cook food or burn paper or other objects.

14.Never place any objects on the heater.

15.Heater base assembly becomes very hot when running heater. Keep children and adults away from hot surface to avoid burns or clothing ignition. Heater will remain hot for a time after shut-down. Allow surface to cool before touching.

16.Carefully supervise young children when they are in the room with heater.

17.Do not use heater if any part has been exposed to or under water. Immediately call a qualified service technician to inspect the room heater and to replace any part of the control system and any gas control which has been under water.

18.Do not operate heater if any log is broken. Do not operate heater if a log is chipped (dime- sized or larger).

19.Turn heater off and let cool before servicing. Only a qualified service person should service and repair heater.

20.Operating heater above elevations of 4,500 feet could pilot outage.

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Contents Oak Log Design OWNER’S Operation and Installation ManualFLAME-MAX What to do if YOU Smell GASContents Safety Information Information SafetyProduct Identification Product FeaturesLocal Codes UnpackingUnconfined Space AIR for Combustion and VentilationProviding Adequate Ventilation Unusually Tight ConstructionDetermining if You Have a Confined or Unconfined Space Determining AIR Flow for Heater LocationVentilation AIR Ventilation Air From Inside BuildingVentilation Air From Outdoors Check GAS Type InstallingMinimum Wall and Ceiling Clearances see Figure Minimum Fireplace ClearanceTo Combustible Materials LOG Sizing RequirementsMinimum Non Combustible Material Clearances If Using Mantel Installing Attaching Damper Clamp Installing Damper Clamp Accessory for Vented OperationInstallation Items Needed Installing Heater Base AssemblyAttaching Flexible Gas Hose to Heater Gas Regulator Installation Items Needed Connecting to GAS SupplyGas Connection Checking GAS ConnectionsTest Pressures Equal To or Less Than 1/2 Psig Pressure Testing Heater Gas ConnectionsFor Standard Oak Log Model Installing LogsFor Premium Models Installing Premium One-Piece Log SetOperating Heater For Your Safety Read Before LightingVariable Control Operation Pilot Flame Pattern Operating Heater Inspecting BurnersLogs Trouble ShootingQualified service person should service and repair heater ODS/PILOT and BurnerTROUBLE- Shooting Maintenance,Refer to Air for Com Gas leak. See Warning Hints ServiceReplacement Parts TechnicalIllustrated Parts Breakdown KEY Part Number for VYS18N VYS24N Description QTY Parts ListBirch Log Models VYD24N and VYBD24N KEY Part Number for VYD24N VYBD24N Description QTY Hood GA6052 AccessoriesValve GA5010 Hood GA6050103309 Keep this Warranty Warranty Information

UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER specifications

The Desa Unvented (Vent-Free) Natural Gas Log Heater is an innovative heating solution that combines efficiency, comfort, and aesthetic appeal. Designed for those seeking a reliable and stylish way to heat their living spaces, this vent-free heater is ideal for any home setting.

One of the main features of the Desa Unvented Gas Log Heater is its ability to provide warmth without the need for external venting. This means it can be installed in a variety of locations, including areas without a traditional chimney or flue. The absence of vents not only simplifies installation but also maximizes design flexibility, allowing homeowners to enhance their existing decor with a beautiful gas log fireplace.

The heater utilizes advanced infrared heating technology, which ensures that radiant heat is emitted throughout the room. This method of heating is exceptionally efficient, as it warms up objects and people directly, rather than merely heating the air. Consequently, this results in faster heating times and greater comfort, especially during colder months.

Equipped with the latest safety features, the Desa Unvented Gas Log Heater includes an oxygen depletion sensor (ODS), which automatically shuts off the heater if oxygen levels drop too low. This feature guarantees peace of mind for users, ensuring that safety is prioritized without sacrificing comfort.

Another significant characteristic of this heater is its realistic log design, which mimics the look of traditional wood-burning fireplaces. The ceramic fiber logs are intricately detailed, providing an authentic and charming ambiance that enhances any room's aesthetic. This realistic flame effect not only adds to the visual appeal but also creates a cozy atmosphere perfect for gatherings with family and friends.

The heater is designed to operate efficiently with minimal maintenance. The adjustable thermostat allows for precise temperature control, ensuring that users can set their desired warmth level and maintain it effortlessly. Moreover, the unit is compatible with natural gas, making it an environmentally friendly option that reduces the carbon footprint compared to traditional heating methods.

In summary, the Desa Unvented Natural Gas Log Heater is an exceptional heating option that combines elegance, safety, and performance. With its vent-free design, advanced heating technology, realistic aesthetics, and user-friendly features, this heater is a perfect choice for those looking to create a warm and inviting environment in their homes.
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