Desa UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER installation manual Variable Control Operation

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C-clockwise
C-clockwise

OPERATING HEATER

Continued

4.Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the safety information on page 21. If you don’t smell gas, go to the next step.

5. Slightly depress and turn control knob counterclockwise to the PILOT position. Keep control knob pressed in for five (5) seconds (see Figure 21, page 22).

Note: You may be running this heater for the first time after hooking up to gas supply. If so, the control knob may need to be pressed in for 30 seconds. This will allow air to bleed from the gas system.

6.With control knob pressed in, press and release ignitor button. This will light pilot. The pilot is attached to the burner. If needed, keep pressing ignitor button until pilot lights.

Note: If pilot does not light, contact a qualified service person or gas supplier for repairs. Until repairs are made, light pilot with match. To light pilot with match, see Manual Lighting Procedure on page 24.

7.Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds, release control knob.

Note: If pilot goes out, repeat steps 3 through 7.

•If control knob does not pop out when released, contact a qualified service person or gas supplier for repairs.

Thermocouple

Ignitor Electrode

Pilot Burner

Figure 22 - Pilot

8. Slightly depress and turn control knob counterclockwise to the HIGH position. The burner should light. Set control knob to any heat level between HIGH and LO.

VARIABLE CONTROL OPERATION

The variable control valve can be set to any heat setting and flame height desired, by simply turning the control knob until that setting is attained. Even the lowest setting provides realistic, dancing yellow flames. Selecting higher settings produces greater heat output. This results in increased heating comfort.

WARNING

WARNING ICON

G 001

Do not operate heater between PILOT and HIGH positions.

CAUTION

WARNING ICON

G 001

Do not try to adjust heating levels by using the manual shutoff valve.

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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 Outdoors Ventilation AIRVentilation Air From Inside Building 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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