Desa CFS18NRA, VS24NRA, VS18NRA Specifications, Technical Service, Wiring Diagram, Service Hints

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DESA INTERNATIONAL

UNVENTED NATURAL GAS LOG HEATER

SPECIFICATIONS

 

18" Variable

24" Variable

30" Variable

Btu (Variable)

16,000/26,000

20,000/33,000

21,500/36,000

Type Gas

Natural Gas Only

Natural Gas Only

Natural Gas Only

Ignition

Piezo

Piezo

Piezo

TECHNICAL

SERVICE

You may have further questions about in- stallation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-DESA LOG (1-800-337-2564).

Manifold Pressure

3.4" W.C.

3.4" W.C.

3.4" W.C.

Inlet Gas Pressure (in. of water)

 

 

Maximum

10.5"

10.5"

10.5"

Minimum*

5"

5"

5"

Shipping Weight

32 lbs.

34 lbs.

36 lbs.

* For purpose of input adjustment

WIRING DIAGRAM

AUTO

OFF

ON

You can also visit DESA International’s Technical Services web site at

www.desatech.com.

SERVICE HINTS

When Gas Pressure Is Too Low

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.

Thermopile

24

104416

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Contents Desa International What to do if YOU Smell GASSafety Information Desa International Unvented Natural GAS LOG HeaterProduct Identification Features Optional Remote Control AccessoriesLocal Codes UnpackingAIR for Combustion and Ventilation Providing Adequate VentilationUnusually Tight Construction Confined and Unconfined SpaceAIR for Combustion Ventilation Determining FRESH-AIR Flow for Heater LocationDetermining if You Have a Confined or Unconfined Space Ventilation AIR Ventilation Air From InsideBuilding Ventilation Air From OutdoorsInstallation Installation ClearancesCheck GAS Type Vent-Free Operation OnlyIf Using Mantel Minimum Noncombustible Material ClearancesMantel Clearances Floor ClearancesInstalling Damper Clamp Accessory for Vented Operation Installing Heater Base AssemblyInstallation Items Needed Area of Various Standard Round FluesConnecting to GAS Supply Attaching Flexible Gas Hose to Heater Gas RegulatorPressure Testing Heater Gas Connections Pressure Testing gas Supply Piping systemChecking GAS Connections Installing Logs For Your Safety Read Before Lighting Operating HeaterLighting Instructions Manual Lighting Procedure To Turn OFF GAS To ApplianceShutting Off Heater Shutting Off Burners Only pilot stays litOptional Remote Operation Thermostat Control OperationGhrc Operation Ghrct OperationInspecting Burners Pilot Flame PatternFront Burner Flame Pattern Cleaning and Maintenance Replacement PartsTroubleshooting Observed Problem Possible Cause RemedySee Wiring Diagram, Gas leak. See Warning statement Illustrated Parts BREAKDOWN4 Variable Control CFS18NRA, VS18NRA VS24NRA, VS30NRAParts List VS24NRA VS30NRA Description QTYSpecifications Technical ServiceWiring Diagram Service HintsAccessories Warranty Information International

VS30NRA, VS18NRA, VS24NRA, CFS18NRA specifications

Desa, a well-known manufacturer in the heating and light industry, has developed several innovative products: the VS24NRA, VS30NRA, CFS18NRA, and VS18NRA. Each of these models showcases unique features, advanced technologies, and characteristics designed to cater to diverse consumer needs.

Starting with the VS24NRA, this unit is celebrated for its efficient heating capabilities. It boasts a powerful design, ideal for medium-sized spaces. Featuring an advanced combustion system, it ensures optimal fuel usage, translating to lower running costs and reduced environmental impact. The VS24NRA is equipped with an adjustable thermostat, allowing users to maintain desired temperatures easily. Its sleek and modern design allows it to fit seamlessly into various interior environments.

Next, the VS30NRA takes heating efficiency a step further. With a higher BTU output, it is suitable for larger spaces requiring more substantial heating solutions. This model incorporates cutting-edge heat distribution technology, ensuring even warmth throughout the room. Additionally, the VS30NRA is built with premium materials that enhance its durability, making it a long-term investment for homeowners. Its electronic ignition system contributes to convenience, allowing for quick and hassle-free startups.

The CFS18NRA stands out with its dual functionality by combining both heating and cooking capabilities. This model is ideal for those looking to maximize utility in smaller spaces. It features a contemporary design and compact build, making it an excellent addition to cabins, tiny homes, or other limited areas. The CFS18NRA utilizes infrared heating technology, which warms objects directly rather than relying solely on heating the air, creating a cozy atmosphere with minimal energy consumption.

Finally, the VS18NRA offers a balance between size and efficiency. It is tailored for modest environments, providing consistent warmth without overwhelming the space. The VS18NRA comes equipped with a user-friendly control panel, giving users precise control over settings. Its portability makes it a versatile choice for different rooms in a home or for outdoor gatherings.

In summary, Desa’s range, including the VS24NRA, VS30NRA, CFS18NRA, and VS18NRA, caters to a variety of heating needs. Their use of innovative technologies and emphasis on efficiency showcases Desa’s commitment to quality and customer satisfaction. Each model presents distinct features that make them suitable for a range of applications, ensuring homeowners can find the right solution for their heating needs.