Desa CGD3018N, CGD3930N installation manual Technical Service, Service Hints, Model Models

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TECHNICAL

SERVICE

SPECIFICATIONS

SERVICE

HINTS

You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-DESA LOG (1-800-337-2564).

	18" Model	24" Models	30" Model
Btu (Variable)	16,000/30,000	20,000/39,000	20,000/39,0000
Type Gas	Natural Gas Only	Natural Gas Only	Natural Gas Only
Ignition	Piezo	Piezo	Piezo
Manifold Pressure	3.5" W.C.	3.5" W.C.	3.5" W.C.
Inlet Gas
Pressure (in. of water)
Maximum	10.5"	10.5"	10.5"
Minimum*	5"
Shipping Weight	28 lbs.	30 lbs.	32 lbs.

* For the purpose of input adjustment

When gas pressure is too low

•pilot will not stay lit

•burners will have delayed ignition

•heater will not produce specified heat

When gas quality is bad

•pilot will not stay lit

•burners will produce flames and soot

•heater will backfire when lit

You may feel your gas pressure is too low or gas quality is bad. If so, contact your local natural gas supplier.

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Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualContents Safety Information Burner patterns can cause sooting Piezo Ignition System Local Codes Unpacking Product FeaturesSafety Device OperationVentilation AIR forProviding Adequate Ventilation Determining AIR Flow for Heater Location AIR for Combustion and VentilationDetermining if You Have a Confined or Unconfined Space Ventilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors Check GAS Type InstallingLOG Sizing Requirements Minimum Fireplace ClearanceMinimum Wall and Ceiling Clearances see Figure Minimum Non Combustible Material Clearances Log Set Installing Minimum Non Combustible Material ClearancesFloor Clearances Attaching Damper Clamp Installing Damper Clamp Accessory for Vented OperationInstallation Items Needed Installing Heater Base AssemblyMounting Bracket Connecting to GAS Supply Gas Connection Checking GAS ConnectionsTest Pressures Equal To or Less Than 1/2 Psig Pressure Testing Heater Gas ConnectionsInstalling Logs InstallingOperating Heater For Your Safety Read Before LightingHeater OperatingManual Lighting Procedure Control Knob Ignitor Button Pilot Flame Pattern Inspecting BurnersThermostat-Controlled Models Only ODS/PILOT and Burner CleaningMaintenance Trouble ShootingTROUBLE- Shooting Maintenance,Refer to Air for Com Gas leak. See Warning Optional Optional Positioning of Thermostat Sensing Bulb Service Hints Technical ServiceModel Models Parts Not Under Warranty Parts Under WarrantyParts Central Hood GA6052 AccessoriesValve GA5010 Hood GA6050Illustrated Parts Breakdown CGD3018N CGD3924N CGD3930N Parts ListCGD3924NT CGD3924NT 102990 102990 Keep this Warranty Warranty Information