Desa CGB3924NR Specificationsaccessories, Wiring Diagram, Technical Service, Service Hints

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OWNER’S MANUAL

SPECIFICATIONSACCESSORIES

 

CGD3924NR/CGB3924NR/CGB3930NR

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"

Shipping Weight

30 lbs.

WIRING DIAGRAM

Purchase these fireplace accessories from your local dealer. If they can not supply these accessories, either contact your near- est Parts Central (see page 28) or call DESA International’s Sales Department at 1-800- 972-7879 for referral information. You can also write to the address listed on the back page of this manual.

On

 

Off

Receiver

Remote

Thermopile

White

Red

TPTH TH

Gas Control

TPTH TP

Red

White

MANUAL SHUTOFF

VALVE - GA5010

Manual shutoff valve with 1/8" NPT tap. Fits 1/2" NPT pipe.

TECHNICAL

SERVICE

You may have further questions about in- stallation, operation, or troubleshooting.

If so, contact DESA International’s Techni- cal Service Department at

1-800-DESA LOG (1-800-337-2564).

SERVICE HINTS

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.

FIREPLACE HOOD

BLACK - GA6050

BRASS - GA6052 ANTIQUE BRASS - GA6053

Helps deflect heat away from mantel or wall above fireplace.

LAVA ROCK - GA6060 (Not Shown)

Order when additional rock is desired. (3 lb. bag)

104306

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Contents What to do if YOU Smell GAS Yellow Flame Model ShownSafety Information Product Identification Product FeaturesLocal Codes UnpackingProviding Adequate Ventilation AIR for Combustion and VentilationUnusually Tight Construction Confined Space and Unconfined SpaceAIR 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 InstallationLOG Sizing Requirements Check GAS TypeIf Not Using Mantel If Using MantelMinimum Non-Combustible Material Clearances Floor Clearances Mantel ClearancesInstallation Items Needed Installing Heater Base AssemblyPressure Testing gas Supply Piping system Connecting to GAS SupplyChecking GAS Connections Test Pressures In Excess Of 1/2 PsigPressure Testing Heater Gas Connections Volt Battery InstallationInstalling 9-Volt Alkaline Battery In Receiver Installing 9-Volt Battery In Hand- Held Remote Control UnitPlace the base of the middle log #2 Installing Logs CGD3924NRInstalling Back Log #2 Installing Logs on Models CGB3924PR and CGB3930PRFor Your Safety Read Before Lighting Operating HeaterLighting Instructions To Turn OFF GAS To Appliance Manual Lighting ProcedureThermostat Control Operation Hand Held Remote OperationInspecting Burners Cleaning and MaintenanceObserved Problem Possible Cause Remedy TroubleshootingMaintenance, Gas leak. See Warning statement at TopWiring Diagram SpecificationsaccessoriesTechnical Service Service HintsCGD3924NR Illustrated Parts BreakdownKEY Part Number Description QTY Parts ListCGB3924NR CGB3930NR KEY CGB3924NR CGB3930NR Part Number Description QTY Parts Under Warranty Replacement PartsParts not Under Warranty Parts Central104306 Warranty Information