Desa UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER Test Pressures Equal To or Less Than 1/2 Psig

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INSTALLING

Continued

Test Pressures Equal To or Less Than 1/2 PSIG

1.Close manual shutoff valve (see Figure 14).

2.Pressurize supply piping system by either using compressed air or opening main gas valve located on or near gas meter.

3.Check all joints from gas meter to manual shutoff valve (see Figure 15). Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak.

4.Correct all leaks at once.

Pressure Testing Heater Gas Connections

1.Open manual shutoff valve (see Figure 14).

2.Open main gas valve located on or near gas meter.

3.Make sure control knob of heater is in the OFF position.

4.Check all joints from manual shutoff valve to control valve (see Figure 15). Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak.

5.Correct all leaks at once.

6.Light heater (see Operating Heater, pages 22 through 24). Check all other internal joints for leaks.

7.Turn off heater (see To Turn Off Gas to Appliance, page 24).

Open

Manual

Shutoff

Valve

Closed

Figure 14 - Manual Shutoff Valve

Manual

 

Shutoff

Control Valve Location

Valve

 

Gas Meter

 

Figure 15 - Checking Gas Joints

Continued

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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 From Inside Building Ventilation AIRVentilation 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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