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

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VENT-FREE NATURAL GAS LOG HEATER

TROUBLESHOOTING

Continued

WARNING: If you smell gas

•Shut off gas supply.

•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 supplier, call the fire department.

IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning supplies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles, etc., create fumes. These fumes may mix with combustion air and create odors. These odors will disappear over time.

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Heater produces a clicking/ticking noise just after burner is lit or shut off

1.Metal expanding while heating or con- tracting while cooling

1.This is common with most heaters. If noise is excessive, contact qualified ser- vice person

Heater produces unwanted odors

1.

Heater burning vapors from paint, hair

 

 

spray, glues, cleaners, chemicals, new

 

 

carpet, etc. (See IMPORTANT state-

 

 

ment above)

 

2.

Gas leak. See Warning statement at

 

 

top of page

1.Open window and ventilate room. Stop using odor causing products while heater is running

2.Locate and correct all leaks (see Check- ing Gas Connections, page 13)

Heater shuts off in use (ODS operates)

1.

Not enough fresh air is available

 

2.

Low line pressure

 

3.

ODS/pilot is partially clogged

1.Open window and/or door for ventilation

2.Contact local natural gas company

3.Clean ODS/pilot (see Cleaning and Maintenance, page 21)

Gas odor even when control knob is in OFF position

1.Gas leak. See Warning statement at top of page

2.Control valve defective

1.Locate and correct all leaks (see Check- ing Gas Connections, page 13)

2.Replace control valve

Gas odor during combustion

1.

Foreign matter between control valve

 

 

and burner

 

2.

Gas leak. See Warning statement at

 

 

top of page

1.Take apart gas tubing and remove for- eign matter

2.Locate and correct all leaks (see Check- ing Gas Connections, page 13)

Logs set cycles to pilot, but room tempera- ture drops to a lower than ideal level before log set comes back on

1.Thermostat sensing bulb needs to be re- positioned

1.Reposition thermostat sensing bulb (see instructions for Optional Positioning of Thermostat Sensing Bulb, page 25

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Contents What to do if YOU Smell GAS CGD3924N CY3124NCGD3930N Safety Information VENT-FREE Natural GAS LOG HeaterProduct Features Product IdentificationLocal Codes UnpackingSafety Pilot AIR for Combustion and VentilationPiezo Ignition System Providing Adequate VentilationAIR for Combustion Ventilation Determining FRESH-AIR Flow for Heater LocationDetermining if You Have a Confined or Unconfined Space Ventilation AIR Ventilation Air From Inside BuildingVentilation Air From Outdoors Installation InstallationCheck GAS Type Minimum Fireplace Clearance To Combustible MaterialsIf Not Using Mantel Minimum Noncombustible Material ClearancesDetermining Minimum Mantel Clearance When Using a Hood Mantel ClearancesFloor Clearances Determining Minimum Mantel ClearanceInstalling Damper Clamp Accessory for Vented Operation ChimneyHeight ft Flue Opening sq. ins Installing Heater Base Assembly Installation Items NeededConnecting to GAS Supply Gas ConnectionPressure Testing Gas Supply Piping system Pressure Testing Heater Gas ConnectionsChecking 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 ModelsFor Your Safety Read Before Lighting Operating HeaterLighting Instructions Manual Lighting Procedure Variable Control OperationTo Turn OFF GAS To Appliance Shutting Off HeaterInspecting Burners Pilot Flame PatternThermostat Control Operation Cleaning and Maintenance Cleaning Burner Injector Holder and Pilot AIR Inlet HoleBurner Primary AIR Holes 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 FireplaceReplacement Parts Service HintsSpecifications Technical Service AccessoriesParts Central 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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