Desa UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER Technical, Service, Hints, Replacement Parts

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TECHNICAL

 

You may have further questions about installation, operation, or troubleshooting.

 

 

 

 

 

 

SERVICE

 

If so, contact DESA International’s Technical Service Department at

 

 

1-800-DESA LOG (1-800-337-2564).

 

 

 

 

 

SPECIFICATIONS

 

 

Standard

Standard

Premium

 

 

 

 

Oak Log

Oak Log

Oak and Birch

 

 

 

 

18" Variable

24" Variable

24" Variable

 

 

 

 

Manually-

Manually-

Manually-

 

 

 

 

Controlled

Controlled

Controlled

 

 

 

Btu (Variable)

16,000/27,000

16,000/31,500

20,000/39,000

 

 

 

 

 

Type Gas

Natural Gas Only

Natural Gas Only

Natural Gas Only

 

 

 

Ignition

Piezo

Piezo

Piezo

 

 

 

Pressure Manifold

3.5" W.C.

3.5" W.C.

3.5" W.C.

 

 

 

Inlet Gas

 

 

 

 

 

 

 

 

Pressure (in. of water)

 

 

 

 

 

 

 

 

Maximum

10.5"

10.5"

10.5"

 

 

 

 

 

Minimum*

5"

5"

5"

 

 

 

 

 

* For input adjustment

 

 

 

 

 

 

 

 

Shipping Weight

27 lbs.

29 lbs.

30 lbs.

 

SERVICE

 

When gas pressure is too low

 

 

 

 

 

 

 

 

 

 

 

 

HINTS

 

• pilot will not stay lit

 

 

 

 

 

 

• burners will have delayed ignition

 

 

 

 

 

 

 

• heater will not produce specified heat

 

 

 

 

 

 

 

When gas quality is bad

 

 

 

 

 

 

 

• pilot will not stay lit

 

 

 

 

 

 

 

• burners will produce flames and soot

 

 

 

 

 

 

 

• heater will backfire when lit

 

 

 

 

 

 

 

You may feel your gas pressure is too low or gas quality is bad. If so, contact your

 

 

 

local natural gas supplier.

 

 

 

 

 

REPLACEMENT

 

Note: Use only original replacement parts. This will protect your warranty cover-

 

PARTS

 

age for parts replaced under warranty.

 

 

 

 

 

 

Parts Under Warranty

 

 

 

 

 

 

 

Contact authorized dealers of this product. If they can’t supply original replace-

 

 

 

ment part(s), call DESA International’s Technical Service Department at

 

 

 

1-800-323-5190. When calling DESA International, have ready

 

 

 

• your name and address

 

 

 

 

 

 

 

• model number of your heater

 

 

 

 

 

 

 

• how heater was malfunctioning

 

 

 

 

 

 

 

• type of gas used (propane or natural gas)

 

 

 

 

 

 

• purchase date

 

 

 

 

 

 

 

 

Usually, we will ask you to return the defective part to the factory.

 

 

 

Parts Not Under Warranty

 

 

 

 

 

 

 

Contact authorized dealers of this product. If they can’t supply original replace-

 

 

 

ment part(s), call DESA International’s Parts Department at 1-800-972-7879 for

 

 

 

referral information. When calling DESA International, have ready

 

 

 

• model number of your heater

 

 

 

 

 

 

 

• the replacement part number

 

 

 

 

 

 

 

29

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

103309

Image 29
Contents FLAME-MAX OWNER’S Operation and Installation ManualWhat to do if YOU Smell GAS Oak Log DesignContents Safety Information Information SafetyProduct Identification Local Codes FeaturesUnpacking ProductProviding Adequate Ventilation AIR for Combustion and VentilationUnusually Tight Construction Unconfined SpaceDetermining if You Have a Confined or Unconfined Space Determining AIR Flow for Heater LocationVentilation Air From Outdoors Ventilation AIRVentilation Air From Inside Building Check GAS Type InstallingTo Combustible Materials Minimum Fireplace ClearanceLOG Sizing Requirements Minimum Wall and Ceiling Clearances see FigureMinimum 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 BurnersQualified service person should service and repair heater Trouble ShootingODS/PILOT and Burner LogsTROUBLE- Shooting Maintenance,Refer to Air for Com Gas leak. See Warning Replacement Parts ServiceTechnical HintsIllustrated 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 Valve GA5010 AccessoriesHood GA6050 Hood GA6052103309 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.