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

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OWNER’S MANUAL

INSTALLATION

Continued

INSTALLING HEATER BASE ASSEMBLY

CAUTION: Do not remove the metal data plates attached to the heater base assembly. The data plates contain important warranty information.

WARNING: You must secure this heater to fireplace floor. If not, heater will move when you adjust controls. Moving heater may cause a gas leak or log mis- placement.

WARNING: If installing in a sunken fireplace, special care is needed. You must raise the fire- place floor to allow access to heater control panel. This will in- sure adequate air flow and guard against sooting. Raise fireplace floor with noncombustible mate- rial. Make sure material is secure.

CAUTION: Do not pick up heater base assembly by the burner. This could damage heater. Only handle base assem- bly by grates.

IMPORTANT: Make sure the heater burn- ers are level. If heater is not level, heater will not work properly. For thermostat models, avoid damage to thermostat bulb. Avoid nicks or sharp bends in thermostat bulb wire. Keep thermostat bulb in mounting bracket.

Installation Items Needed

•hardware package (provided with heater)

•approved flexible gas hose (not provided) (if allowed by local codes)

•sealant resistant to propane (propane/LP) gas, not provided

•electric drill with 3/16" drill bit

•flathead screwdriver

1.Apply pipe joint sealant lightly to male threads of the fitting to be threaded into gas regulator. Connect approved flex- ible gas hose to gas regulator of heater (see Figure 12).

IMPORTANT: Hold gas regulator with wrench when connecting flexible gas hose.

2.Locate masonry screws in hardware package.

3.Position heater base assembly in fire- place.

4.Place logs in their proper position on heater base, see Installing Logs on pages 14 through 17.

5.Center heater base and logs front-to- back and side-to-side in fireplace.

6.Carefully remove logs without moving heater base.

7.Mark screw locations through holes in mounting brackets (see Figure 13 or 14). If installing in a brick-bottom fire- place, mark screw locations in mortar joint of bricks.

8.Remove heater base from fireplace.

9.Drill holes at marked locations using 3/16" drill bit.

10.Attach base assembly to fireplace floor using two masonry screws (in hardware package) (see Figures 13 or 14).

Flexible Gas Hose

(if allowed by local

codes)Heater Gas Regulator

Fitting

Figure 12 - Attaching Flexible Gas Hose to Heater Gas Regulator

Masonry

Screw

Mounting

Bracket

Figure 13 - Attaching Base Assembly to Fireplace Floor - Dual Burner Model

Masonry

Screw

Mounting

Bracket

Figure 14 - Attaching Base Assembly to Fireplace Floor - Single Burner Model

Continued

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Contents CGD3930N What to do if YOU Smell GASCGD3924N CY3124N VENT-FREE Natural GAS LOG Heater Safety InformationUnpacking Product FeaturesProduct Identification Local CodesProviding Adequate Ventilation Safety PilotAIR for Combustion and Ventilation Piezo Ignition SystemDetermining 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 Minimum Fireplace Clearance To Combustible Materials InstallationInstallation Check GAS TypeMinimum Noncombustible Material Clearances If Not Using MantelDetermining Minimum Mantel Clearance Determining Minimum Mantel Clearance When Using a HoodMantel Clearances Floor ClearancesHeight ft Flue Opening sq. ins Installing Damper Clamp Accessory for Vented OperationChimney Installation Items Needed Installing Heater Base AssemblyGas Connection Connecting to GAS SupplyChecking GAS Connections Pressure Testing Gas Supply Piping systemPressure Testing Heater Gas Connections Dual Burner Smoky Mountain Oak Models Installing LogsDual Burner Premium Aged Split Oak Models Installing Back Log #2Front Log #1 Grate Fingers Grate Base Dual Burner Biltmore Split Oak ModelsSingle Burner Mountain Oak Models Installing Crossover Log #6 CCL3930NTA ShownLighting Instructions For Your Safety Read Before LightingOperating Heater Shutting Off Heater Manual Lighting ProcedureVariable Control Operation To Turn OFF GAS To ApplianceThermostat Control Operation Inspecting BurnersPilot Flame Pattern Main Burner Cleaning and MaintenanceCleaning Burner Injector Holder and Pilot AIR Inlet Hole Burner Primary AIR HolesObserved Problem Possible Cause Remedy TroubleshootingMaintenance, Gas leak. See Warning statement at top TopFor Masonry and Factory- built Metal Fireplace Optional Positioning of Thermostat Sensing BulbSpecifications Replacement PartsService Hints Fireplace Hood Technical ServiceAccessories Parts CentralIllustrated Parts Breakdown CGD3018N CGD3924N CGD3930N Parts ListThermostatically-Controlled Premium Aged Split Oak Models CGB3924NT CGB3930NTCGB3924NT CGB3930NT CGD3018NT CGD3924NT CGD3930NT CGD3018NT CGD3924NT CGD3930NT Thermostatically-Controlled Biltmore Split Oak Model CCL3018NTCCL3018NT CCL3924NT CCL3924NT CCL3930NTA CCL3930NTA Variable Manually-Controlled Mountain Oak Models CY2718N CY3124N Keep this Warranty Warranty Information

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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