Desa CGD3924NT, CGD3930NT, CGD3018NT, CGB3924NT, CGB3930NT, CCL3018NT, CCL3924NT, CCL3930NT

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VENT-FREE NATURAL GAS LOG HEATER

INSTALLATION

Continued

INSTALLING LOGS

CAUTION: After installation and periodically thereafter, check to ensure that no flame comes in contact with any log. With the heater set to high, check to see if flames contact any log. If so, re-

4. Locate the notches in the bottom of the

Front Log (#3)

crossover log (#4). Place the crossover

 

log on top of the middle log and front

 

log. Make sure the notches of the cross-

 

over log lines up with rectangular knobs

 

on top of the middle and front logs (see

 

Figure 21).

 

5. Place lava rock around base of heater. Do not put lava rock on logs on burner.

position logs according to the log installation instructions in this manual. Flames contacting logs will create soot.

Dual Burner Smoky Mountain Oak Models

WARNING: Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury.

Each log is marked with a number. These numbers will help you identify the log when installing. It is very important to install these logs exactly as instructed. Do not modify logs. Only use logs supplied with heater.

1.Locate pegs on the bottom of back log (#1). Slide these pegs into the holes in the grate base behind the burner (see Figure 18).

2.Place the base of the middle log (#2) in the U-shaped slots of the grate base in front of the back log. The cutout on the right of the middle log should fit over the burner (see Figure 19). Make sure the front of the middle log is resting on the tabs of the grate base and the cutout area is centered over the burner “U” bend.

3.Locate the recesses on the back of the front log (#3). Fit these recesses be- tween the posts of the grate base (see Figure 20).

Back Log (#1)

Peg

Hole in

Grate Base

Cutout

Burner

Figure 18 - Installing Back Log (#1)

Middle Log (#2)

Tab

Burner “U” Bend

U-Shaped

Slot

Figure 19 - Installing Middle Log (#2)

Post

Recess

Post

Figure 20 - Installing Front Log (#3)

Notches

Crossover Log (#1)

Rectangular

Knobs

Figure 21 - Installing Crossover Log (#4)

For more information, visit www.desatech.com

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Contents CGD3930N What to do if YOU Smell GASCGD3924N CY3124N Safety Information VENT-FREE Natural GAS LOG HeaterLocal Codes Product FeaturesProduct Identification UnpackingPiezo Ignition System Safety PilotAIR for Combustion and Ventilation Providing Adequate VentilationDetermining if You Have a Confined or Unconfined Space AIR for Combustion VentilationDetermining FRESH-AIR Flow for Heater Location Ventilation Air From Outdoors Ventilation AIRVentilation Air From Inside Building Check GAS Type InstallationInstallation Minimum Fireplace Clearance To Combustible MaterialsIf Not Using Mantel Minimum Noncombustible Material ClearancesFloor Clearances Determining Minimum Mantel Clearance When Using a HoodMantel Clearances Determining Minimum Mantel ClearanceHeight ft Flue Opening sq. ins Installing Damper Clamp Accessory for Vented OperationChimney Installing Heater Base Assembly Installation Items NeededConnecting to GAS Supply Gas ConnectionChecking GAS Connections Pressure Testing Gas Supply Piping systemPressure Testing Heater Gas Connections Installing Logs Dual Burner Smoky Mountain Oak ModelsInstalling Back Log #2 Dual Burner Premium Aged Split Oak ModelsDual Burner Biltmore Split Oak Models Front Log #1 Grate Fingers Grate BaseInstalling Crossover Log #6 CCL3930NTA Shown Single Burner Mountain Oak ModelsLighting Instructions For Your Safety Read Before LightingOperating Heater To Turn OFF GAS To Appliance Manual Lighting ProcedureVariable Control Operation Shutting Off HeaterThermostat Control Operation Inspecting BurnersPilot Flame Pattern Burner Primary AIR Holes Cleaning and MaintenanceCleaning Burner Injector Holder and Pilot AIR Inlet Hole Main BurnerTroubleshooting Observed Problem Possible Cause RemedyMaintenance, Top Gas leak. See Warning statement at topOptional Positioning of Thermostat Sensing Bulb For Masonry and Factory- built Metal FireplaceSpecifications Replacement PartsService Hints Parts Central Technical ServiceAccessories Fireplace HoodIllustrated Parts Breakdown Parts List CGD3018N CGD3924N CGD3930NCGB3924NT CGB3930NT Thermostatically-Controlled Premium Aged Split Oak ModelsCGB3924NT CGB3930NT CGD3018NT CGD3924NT CGD3930NT CGD3018NT CGD3924NT CGD3930NT CCL3018NT Thermostatically-Controlled Biltmore Split Oak ModelCCL3018NT CCL3924NT CCL3924NT CCL3930NTA CCL3930NTA Variable Manually-Controlled Mountain Oak Models CY2718N CY3124N Warranty Information Keep this Warranty

CGD3924NT, CGD3930NT, CGD3018NT, CGB3924NT, CGB3930NT, CCL3018NT, CCL3924NT, CCL3930NT specifications

Desa has garnered significant attention in the heating industry with its impressive lineup of products, specifically the CGD3924NT, CGD3930NT, CGD3018NT, CGB3924NT, CGB3930NT, CCL3018NT, CCL3924NT, and CCL3930NT. These models showcase a blend of efficiency, functionality, and aesthetic appeal, catering to diverse residential and commercial heating needs.

The CGD3924NT and CGD3930NT are designed as gas fireplaces that enhance indoor spaces while offering superior performance. The CGD3924NT features an elegant design with a 24-inch burning area, conceived to generate efficient heat while maintaining an inviting ambiance. Its straightforward controls allow users to adjust heat levels effortlessly. Conversely, the CGD3930NT extends a bit larger with a 30-inch burning area, strategizing for more extensive heating requirements in larger spaces without sacrificing style or efficiency.

Turning to the CGB series, the CGB3924NT and CGB3930NT models emphasize versatility along with a striking appearance. These gas-burning fireplaces are engineered to provide reliable performance and can easily integrate into a variety of home designs. Both models feature advanced safety measures, including an automatic shut-off system and durable construction that ensures longevity.

For those seeking a classic, timeless look, the CCL series offers the CCL3018NT, CCL3924NT, and CCL3930NT models. These corner gas logs are designed for minimal aesthetic disruption, providing warmth from a unique angle. The CCL3018NT serves well for modest spaces, while the CCL3924NT and CCL3930NT cater to larger areas, focusing on enhanced heat distribution without overwhelming the room's decor.

Across the range, energy efficiency is a signature characteristic, with advanced heating technologies like electronic ignition and variable flame control that optimize fuel usage without compromising output. Each model proudly bears compliance with industry safety standards, ensuring user peace of mind.

In conclusion, the Desa series – consisting of the CGD3924NT, CGD3930NT, CGD3018NT, CGB3924NT, CGB3930NT, CCL3018NT, CCL3924NT, and CCL3930NT – embodies technological advancement with a commitment to user-friendliness and style. These products are designed to not only heat spaces effectively but also add a touch of sophistication and comfort to any environment. With a focus on reliability and aesthetics, Desa continues to stand at the forefront of heating solutions.
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