Desa CGD3924N installation manual Technical Service, Service Hints, Model

Page 27

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).

	24" Model
Btu (Variable)	20,000/39,000
Type Gas	Natural Gas Only
Ignition	Piezo
Manifold Pressure	3.5" W.C.
Inlet Gas
Pressure (in. of water)
Maximum	10.5"
Minimum*	5"
Shipping Weight	30 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 OperationAIR for VentilationProviding Adequate Ventilation AIR for Combustion and Ventilation Determining AIR Flow for Heater LocationDetermining if You Have a Confined or Unconfined Space Ventilation Air From Outdoors Ventilation AIRTion and ventilation air by one of the methods described Ventilation Air From Inside BuildingCheck GAS Type InstallingMinimum Wall and Ceiling Clearances see Figure Minimum Fireplace ClearanceTo Combustible Materials LOG Sizing RequirementsMinimum 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 LightingOperating HeaterPilot Flame Pattern Operating Heater Inspecting BurnersODS/PILOT and Burner CleaningMaintenance Trouble ShootingTROUBLE- Shooting Maintenance,Refer to Air for Com Gas leak. See Warning Technical Service Service HintsModel Parts Under Warranty Parts Not Under WarrantyParts Central Hood GA6052 AccessoriesValve GA5010 Hood GA6050Illustrated Parts Breakdown KEY Part Number Description QTY Parts ListKeep this Warranty Warranty Information