Desa CFS24NVC VS30N, B, C installation manual Unvented VENT-FREE Natural GAS LOG Heater

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DESA INTERNATIONAL

UNVENTED (VENT-FREE)

NATURAL GAS LOG HEATER

Variable Manually-Controlled Models Also Design-Certified As Vented

Decorative Appliances

OWNER’S OPERATION AND INSTALLATION MANUAL

18", 24", and 30"

(“C” Models) Variable Manually-Controlled, and (“B” Models) Thermostatically- Controlled

®

LO

PILOT

OFF

HI

WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury, or loss of life.

—Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

—WHAT TO DO IF YOU SMELL GAS

•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 sup- plier, call the fire department.

—Installation and service must be per- formed by a qualified installer, ser- vice agency, or the gas supplier.

WARNING: Improper installation, ad- justment, alteration, service, or main- tenance can cause injury or property damage. Refer to this manual for cor- rect installation and operational proce- dures. For assistance or additional in- formation consult a qualified installer, service agency, or the gas supplier.

WARNING: This appliance is for instal- lation only in a solid-fuel burning ma- sonry or UL127 factory-built fireplace, or in an approved ventless firebox. It is design-certified for these installations in accordance with ANS Z21.11.2.

Exception: Do not install this appli- ance in a factory-built fireplace that includes instructions stating it has not been tested or should not be used with unvented gas logs.

WARNING: This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it is installed. Provisions for adequate combustion and ventilation air must be provided. Refer to Air for Combustion and Ventilation section on page 4 of this manual.

This appliance may be installed in an aftermarket* manufactured (mobile) home, where not prohib- ited by state or local codes.

* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer

Save this manual for future reference.

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Contents What to do if YOU Smell GAS Unvented VENT-FREE Natural GAS LOG HeaterDesa International Unvented Natural GAS LOG Heater Safety InformationProduct Identification Product FeaturesLocal Codes UnpackingProviding Adequate Ventilation AIR for Combustion and VentilationUnusually Tight Construction Confined and Unconfined SpaceDetermining FRESH-AIR Flow for Heater Location AIR for Combustion VentilationDetermining if You Have a Confined or Unconfined Space Ventilation Air From Inside Ventilation AIRBuilding Ventilation Air From OutdoorsInstallation Clearances InstallationCheck GAS Type Vent-Free Operation OnlyMinimum Noncombustible Material Clearances If Using MantelMantel Clearances Determining Minimum Mantel Clearance When Using a HoodFloor Clearances Determining Minimum Mantel ClearanceInstalling Heater Base Assembly Installing Damper Clamp Accessory for Vented OperationInstallation Items Needed Area of Various Standard Round FluesAttaching Flexible Gas Hose to Heater Gas Regulator Connecting to GAS SupplyPressure Testing Heater Gas Connections Pressure Testing Gas Supply Piping SystemChecking GAS Connections Installing Logs Operating Heater For Your Safety Read Before LightingLighting Instructions To Turn OFF GAS To Appliance Manual Lighting ProcedureThermostat Control Operation Shutting Off HeaterVariable Control Operation Pilot Flame Pattern Inspecting BurnersFront Burner Flame Pattern Cleaning Burner Injector Holder and Pilot AIR Inlet Hole Cleaning and MaintenanceLogs Observed Problem Possible Cause Remedy TroubleshootingMaintenance, Gas leak. See Warning statement at For Masonry and FACTORY-BUILT Metal Fireplace Optional Positioning of Thermostat Sensing BulbReplacement Parts SpecificationsService Hints Technical ServiceVariable Manually Controlled Split OAK Models Illustrated Parts BreakdownVariable MANUALLY- Controlled Split OAK Models Parts ListDesa International Unvented Natural GAS LOG Heater VS18NTB VS24NTB VS30NTB THERMOSTAT- Controlled Split OAK ModelsAccessories 104414 International Warranty Information

CFS24NVC VS30N, B, C specifications

Desa CFS24NVC VS30N, B, C is a sophisticated heating solution designed to deliver comfort and efficiency in various settings. This series is particularly noted for its advanced features and technologies that cater to user needs while ensuring optimal performance.

One of the standout characteristics of the CFS24NVC series is its versatility in operation. Whether it is a larger commercial space or a cozy residential area, these heaters can adapt their output to suit different environments. The VS30N model, for instance, provides a strong heating capacity, making it ideal for workshops or larger living spaces. The adjustable settings allow users to match the heater's performance with the current requirements, promoting energy efficiency and cost savings.

Furthermore, the CFS24NVC series employs advanced heating technologies that enhance performance. The inclusion of ceramic heating elements enables rapid heat distribution, ensuring that spaces are warmed up quickly. This technology not only improves efficiency but also enhances comfort by providing consistent warmth throughout the room without cold spots.

In terms of design, the CFS24NVC VS30N, B, C models prioritize user-friendliness. They come equipped with intuitive controls, allowing for easy adjustments to temperature and settings. Many users appreciate the digital displays which provide real-time feedback on performance and help monitor energy consumption.

Safety is also a core feature of the CFS24NVC series. The units are fitted with multiple safety mechanisms, including overheating protection and tip-over switches, which automatically power down the heater in case of accidents. This ensures peace of mind for users, making them suitable for use in families with children or pets.

Moreover, the CFS24NVC series is engineered with durability in mind. Constructed from high-quality materials, these heaters are built to withstand daily wear and tear, ensuring longevity in performance.

In conclusion, the Desa CFS24NVC VS30N, B, C series stands out in the heating market for its combination of versatility, advanced heating technologies, user-friendly design, and robust safety features. This series is an excellent choice for consumers looking for reliable, efficient heating solutions suitable for diverse applications.
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