Desa CGD3930NT, CCL3924NT, CY3124N, CY2718N Troubleshooting, Observed Problem Possible Cause Remedy

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OWNER’S MANUAL

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 manual 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 manual 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 20) 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.Manual 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 manual shut-off valve

4.A) Contact local natural gas company

B) Clean ODS/pilot (see Cleaning and Maintenance, page 20) or replace ODS/ pilot assembly

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

6.Replace thermocouple

7.Replace control valve

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Contents OWNER’S Operation and Installation Manual What to do if YOU Smell GASPatent Pending VENT-FREE Natural GAS LOG Heater Safety InformationProduct Identification Product FeaturesLocal Codes UnpackingAIR for Combustion and Ventilation Safety PilotPiezo 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 Wall and Ceiling Clearances see FigureIf Not Using Mantel If Using MantelMinimum Noncombustible Material Clearances Mantel Clearances Determining Minimum Mantel Clearance When Using a HoodFloor Clearances Determining Minimum Mantel ClearanceInstalling Damper Clamp Accessory for Vented Operation ChimneyHeight ft Flue Opening sq. ins Installation Items Needed Installing Heater Base AssemblyGas Connection Connecting to GAS SupplyPressure Testing Heater Gas Connections Pressure Testing Gas Supply Piping systemChecking GAS Connections Test Pressures In Excess Of 1/2 PsigDual Burner Yellow Flame Models Installing LogsDual Burner Premium Aged Split Oak Models Installing Middle Log #1Single Burner Mountain Oak Models Installing Back LogFor Your Safety Read Before Lighting Operating HeaterLighting Instructions Variable Control Operation Manual Lighting ProcedureTo Turn OFF GAS To Appliance Shutting Off HeaterInspecting Burners Thermostat Control OperationPilot Flame Pattern Cleaning Burner Injector Holder and Pilot AIR Inlet Hole Cleaning and MaintenanceBurner Primary AIR Holes Main BurnerObserved Problem Possible Cause Remedy TroubleshootingMaintenance, Gas leak. See Warning statement at top TopFor Masonry and Factory- built Metal Fireplace Optional Positioning of Thermostat Sensing BulbTechnical Service Service HintsReplacement Parts SpecificationsParts Central Fireplace Hood AccessoriesBlack GA6050 Brass GA6052 Antique Brass GA6053 Damper Clamp GA6080 Not ShownIllustrated Parts Breakdown CGD3018N CGD3924N CGD3930N Parts ListThermostatically-Controlled Premium Aged Split Oak Models CGB3924NT CGB3930NTCGB3924NT CGB3930NT CGD3018NT CGD3924NT CGD3930NT CGD3018NT CGD3924NT CGD3930NT Variable Manually-Controlled Mountain Oak Models CY2718N CY3124N Warranty Information

CY2718N, CY3124N, CGD3930NT, CCL3924NT specifications

Desa CCL3924NT, CGD3930NT, CY3124N, and CY2718N are innovative heating appliances designed to enhance comfort while promoting energy efficiency. Each model has its unique features and technologies that cater to diverse heating needs in residential and commercial settings.

The Desa CCL3924NT is a powerful, gas-fired heater that boasts an efficient heating capacity. This model is particularly favored for its ability to deliver warmth quickly, thanks to its advanced combustion technology that ensures optimal fuel usage. The CCL3924NT incorporates a user-friendly digital thermostat, enabling precise temperature control, which not only enhances comfort but also contributes to energy savings. Additionally, the unit has a sleek design, making it a versatile choice for various interior styles.

Next, the CGD3930NT represents a robust and efficient design optimized for large spaces. Equipped with a high output capability and an adjustable burner, it allows for customizable heating solutions. One of its notable features is the built-in safety mechanisms that include an automatic shut-off in case of overheating, ensuring peace of mind for users. The CGD3930NT is easy to install and maintain, further reinforcing its reputation as a reliable heating solution.

The CY3124N model stands out for its advanced technologies such as infrared heating. This model utilizes infrared technology to provide direct heat to objects and people rather than just warming the air, resulting in immediate comfort. The CY3124N is compact, making it an ideal choice for smaller rooms or spaces needing supplementary heating. Its energy-efficient operation helps reduce utility costs while promoting an environmentally friendly heating solution.

Lastly, the CY2718N is known for its flexibility and versatility. This model combines both portability and efficiency, featuring wheels for easy movement from room to room. The CY2718N is equipped with a multi-function control panel, allowing users to set timers, adjust heat settings, and select operation modes according to their specific preferences. This model is particularly popular among those looking for a temporary heating solution without compromising on performance.

In conclusion, Desa CCL3924NT, CGD3930NT, CY3124N, and CY2718N offer diverse features, advanced technologies, and unique characteristics that cater to various heating requirements. Their commitment to efficiency and user comfort makes them excellent choices for anyone in need of effective heating solutions.
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