Desa CGS3124PA, CLD3924NTB, CLD3018PTA Mantel Clearances, Determining Minimum Mantel Clearance

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INSTALLATION

Continued

If Using Mantel

You must have noncombustible material(s) above the fireplace opening. Noncombustible materials (such as slate, marble, tile, etc.) must be at least 1/2 inch thick. With sheet metal, you must have non- combustible material behind it. Noncombustible material must extend at least 8 inches up (for all models). If noncombustible material is less than 12", you must install the fireplace hood accessory (24" model only). Even if noncombustible material is more than 12", you may need the hood accessory to deflect heat away from your mantel shelf. See Figure 5 (see page 9), Figure 6 and Figure 7 (see page 11) for minimum clearances.

IMPORTANT: If you cannot meet these minimum clearances, you must operate heater with chim- ney flue damper open. Go to Installing Damper Clamp Accessory for Vented Operation, page 12.

MANTEL CLEARANCES

In addition to meeting noncombustible material clearances, you must also meet required clearances between fireplace opening and mantel shelf. If you do not meet the clearances listed below, you will need a hood.

Determining Minimum Mantel Clearance

If you meet minimum clearance between mantel shelf and top of fireplace opening, a hood is not required (see Figure 6).

Determining Minimum Mantel Clearance when Using a Hood

If minimum clearances in Figure 6 are not met, you must have a hood. When using a hood there are still certain minimum mantel clearances re- quired. Follow minimum clearances shown in Fig- ure 7, page 11, when using a hood.

NOTICE: Surface temperatures of adjacent walls and mantels become hot during operation. Walls and mantels above the fire- boxmaybecomehottothetouch. If installed properly, these tem- peratures meet the requirement of the national product standard. Follow all minimum clearances shown in this manual.

NOTICE: If your installation does not meet the minimum clear- ances shown, you must do one of the following:

operate the logs only with the flue damper open

raise the mantel to an accept- able height

remove the mantel

10"

8"

6"

2 1/2"

Minimum Non-

 

 

(A)

 

Combustible

 

Material

12"

 

 

 

 

 

 

8"

 

 

 

 

Mantel Shelf

18"

 

20"

22"

 

8"

 

14"

17"

 

 

 

 

Underside of

Mantel Shelf

All minimum distances are in inches

Log Set

24" 24" Model

20" 18" Model

Top of Fireplace

Opening

Minimum Non-

Distances to

Combustible

Underside of

Material Height

Mantel

Figure 6 - Minimum Mantel Clearances Without Using Hood

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Contents 24 Variable MANUALLY-CONTROLLED Models Patent PendingTable of Contents Safety Information Product Identification Unpacking Product FeaturesLocal Codes AIR for Combustion VentilationConfined Space and Unconfined Space Determining FRESH-AIR Flow for Fireplace LocationUnusually Tight Construction Determining if You Have a Confined or Unconfined SpaceVentilation Air From Inside Building InstallationVentilation AIR Ventilation Air From OutdoorsLog Size Side Wall Ceiling Check GAS TypeMinimum Firebox Size Material Requirements for Distance a Safe Installation Minimum Noncombustible Material ClearancesMantel Clearances Determining Minimum Mantel Clearance when Using a HoodDetermining Minimum Mantel Clearance Minimum Mantel Clearances When Using Hood Floor ClearancesChimney Minimum Permanent Installing Damper Clamp Accessory for Vented OperationInstalling Heater Base Assembly Diameter ins Area sq. insConnecting to GAS Supply Installation Items NeededNatural Propane/LPTest Pressures In Excess Of 1/2 Psig 3.5 kPa Checking GAS ConnectionsTest Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Pressure Testing Heater Gas Connections Installing Back LogInstalling Crossover Logs Operating Heater What to do if YOU Smell GASLighting Instructions Ignitor Button Control KnobVariable Control Operation Manual Lighting ProcedureTo Turn OFF GAS To Appliance Ignitor Button Control Knob Pilot Flame Pattern Inspecting BurnersThermostat Control Operation Burner Primary AIR HolesODS/PILOT and Burner Cleaning MaintenanceBurner Injector Holder and Pilot AIR Inlet Hole Service Hints Technical ServiceReplacement Parts Troubleshooting Observed Problem Possible Cause RemedySee Cleaning and Mainte Gas leak. See Warning Statement aboveFor Masonry and FACTORY- Built Metal Fireplace Optional Positioning Thermostat Sensing BulbStatement on Locating Thermostat Sensing Equipment Shutoff Valve GA5010 SpecificationsAccessories Fireplace HoodParts Central Illustrated Parts Breakdown Parts List Variable MANUALLY-CONTROLLED Winchester OAK ModelsIllustrated Parts Breakdown THERMOSTATICALLY-CONTROLLED Royal English OAK Model Keep this Warranty Warranty InformationLimited Warranty VENT-FREE GAS Fireplace

CGS2718PA, CGS2718NA, CGS3124PA, CGS3124NA, SGS3124PA, SGS3124NA, CLD3018PTA, CLD3018NTA, CLD3924PTB, CLD3924NTB, CGS3124PA, CLD3924NTB, CLD3018PTA, CGS2718PA specifications

Desa CGS2718NA, SGS3124NA, CGS2718PA, CLD3018PTA, and CLD3924NTB are part of the prestigious lineup from Desa, renowned for their high-quality heating solutions. These models combine modern design with advanced technologies, ensuring efficient heating for various residential applications.

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Overall, these Desa models—CGS2718NA, SGS3124NA, CGS2718PA, CLD3018PTA, and CLD3924NTB—serve as an excellent investment for homeowners looking to enhance their comfort and efficiency. With a range of features, innovative technologies, and stylish designs, they cater to diverse heating needs, ensuring warmth and satisfaction in every home.