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

Page 22

VENT-FREE NATURAL GAS LOG HEATER

TROUBLESHOOTING

Note: For additional help, visit DESA International’s technical service web site at www.desatech.com.

Note: All troubleshooting items are listed in order of operation.

WARNING: Turn off and un- plug heater and let cool before servicing. Only a qualified ser- vice person should service and repair heater.

CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/ pilot unit.

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

When ignitor button is pressed, there is no spark at ODS/pilot

1.Ignitor electrode not connected to igni- tor cable

2.Ignitor cable pinched or wet

3.Piezo ignitor nut is loose

4.Broken ignitor cable

5.Bad piezo ignitor

6.Ignitor electrode broken

7.Ignitor electrode positioned wrong

1.Reconnect ignitor cable

2.Free ignitor cable if pinched by any metal or tubing. Keep ignitor cable dry

3.Tighten nut holding piezo ignitor to base panel of log set. Nut is located behind base panel

4.Replace ignitor cable

5.Replace piezo ignitor

6.Replace piezo ignitor

7.Replace piezo ignitor

When ignitor button is pressed, there is spark at ODS/pilot but no ignition

1.Gas supply turned off or equipment shutoff valve closed

2.Control knob not in PILOT position

3.Control knob not pressed in while in PI- LOT position

4.Air in gas lines when installed

5.ODS/pilot is clogged

6.Gas regulator setting is not correct

1.Turn on gas supply or open equipment shutoff valve

2.Turn control knob to PILOT position

3.Press in control knob while in PILOT position

4.Continue holding down control knob. Repeat igniting operation until air is re- moved

5.Clean ODS/pilot (see Cleaning and Maintenance, page 21) or replace ODS/ pilot assembly

6.Replace gas regulator

ODS/pilot lights but flame goes out when control knob is released

1.Control knob not fully pressed in

2.Control knob not pressed in long enough

3.Equipment shutoff valve not fully open

4.Pilot flame not touching thermocouple, which allows thermocouple to cool, causing pilot flame to go out. This prob- lem could be caused by one or both of the following:

A)Low gas pressure

B)Dirty or partially clogged ODS/pilot

5.Thermocouple connection loose at con- trol valve

6.Thermocouple damaged

7.Control valve damaged

1.Press in control knob fully

2.After ODS/pilot lights, keep control knob pressed in 30 seconds

3.Fully open equipment shutoff valve

4.A) Contact local natural gas company

B) Clean ODS/pilot (see Cleaning and Maintenance, page 21) or replace ODS/ pilot assembly

5.Hand tighten until snug, then tighten 1/4 turn more

6.Replace thermocouple

7.Replace control valve

www.desatech.com

For more information, visit www.desatech.com

22

107123

Page 21 Page 23
Image 22
Page 21 Page 23
Contents CGD3924N CY3124N What to do if YOU Smell GASCGD3930N Safety Information VENT-FREE Natural GAS LOG HeaterLocal Codes Product FeaturesProduct Identification UnpackingPiezo Ignition System Safety PilotAIR for Combustion and Ventilation Providing Adequate VentilationDetermining FRESH-AIR Flow for Heater Location AIR for Combustion VentilationDetermining if You Have a Confined or Unconfined Space Ventilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors 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 ClearanceChimney Installing Damper Clamp Accessory for Vented OperationHeight ft Flue Opening sq. ins Installing Heater Base Assembly Installation Items NeededConnecting to GAS Supply Gas ConnectionPressure Testing Heater Gas Connections Pressure Testing Gas Supply Piping systemChecking 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 ModelsOperating Heater For Your Safety Read Before LightingLighting Instructions To Turn OFF GAS To Appliance Manual Lighting ProcedureVariable Control Operation Shutting Off HeaterPilot Flame Pattern Inspecting BurnersThermostat Control Operation 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 FireplaceService Hints Replacement PartsSpecifications 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.
Top Page Image Contents