Desa CGB3930NR, CGB3924NR Installing Heater Base Assembly, Installation Items Needed

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CGD3924NR, CGB3924NR and CGB3930NR

UVENTED NATURAL GAS LOG HEATER

INSTALLATION

Continued

INSTALLING HEATER BASE ASSEMBLY

CAUTION: Do not remove the metal data plates attached to the heater base assembly. The data plates contain important warranty information.

WARNING: You must secure this heater to fireplace floor. If not, heater will move when you adjust controls. Moving heater may cause a gas leak.

WARNING: If installing in a sunken fireplace, special care is needed. You must raise the fire- place floor to allow access to heater control panel. This will in- sure adequate air flow and guard against sooting. Raise fireplace

Installation Items Needed

hardware package (provided with heater)

approved flexible gas hose (not provided) (if allowed by local codes)

sealant resistant to propane/LP gas, not provided

electric drill with 3/16" masonry drill bit

two (2) 9-volt alkaline batteries (not in- cluded)

1.Apply pipe joint sealant lightly to male threads of the fitting to be threaded into gas regulator. Connect approved flex- ible gas hose to gas regulator of heater (see Figure 10).

Flexible Gas Hose (if allowed by local codes)

Fitting

2.Locate masonary screws in hardware package.

3.Position heater base assembly in fire- place.

4.Mark screw locations through holes in mounting flanges (see Figure 11). If in- stalling in a brick-bottom fireplace, mark screw locations in mortar joint of bricks.

5.Remove heater base from fireplace.

6.Drill holes at marked locations using 3/16" masonry drill bit.

7.Attach base assembly to fireplace floor using two masonry screws (in hardware package) (see Figure 11).

8.Connect to gas supply. See Connect- ing To Gas Supply, page 11.

Masonry Screw

floor with non-combustible mate- rial. Make sure material is secure.

CAUTION: Do not pick up heater base assembly by the burner. This could damage heater. Only handle base assem- bly by grates.

IMPORTANT: Make sure the heater burn- ers are level. If heater is not level, heater will not work properly.

Figure 10 - Attaching Flexible Gas Hose to Heater

Mounting

Flanges

Figure 11 - Attaching Base Assembly to

Fireplace Floor

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Contents Yellow Flame Model Shown What to do if YOU Smell GASSafety Information Local Codes Product FeaturesProduct Identification UnpackingUnusually Tight Construction AIR for Combustion and VentilationProviding Adequate Ventilation Confined Space and Unconfined SpaceDetermining 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 LOG Sizing Requirements InstallationInstallation Check GAS TypeIf Using Mantel If Not Using MantelMinimum Non-Combustible Material Clearances Mantel Clearances Floor ClearancesInstalling Heater Base Assembly Installation Items NeededChecking GAS Connections Connecting to GAS SupplyPressure Testing gas Supply Piping system Test Pressures In Excess Of 1/2 PsigInstalling 9-Volt Alkaline Battery In Receiver Volt Battery InstallationPressure Testing Heater Gas Connections Installing 9-Volt Battery In Hand- Held Remote Control UnitInstalling Logs CGD3924NR Place the base of the middle log #2Installing Logs on Models CGB3924PR and CGB3930PR Installing Back Log #2Operating Heater For Your Safety Read Before LightingLighting Instructions Thermostat Control Operation Manual Lighting ProcedureTo Turn OFF GAS To Appliance Hand Held Remote OperationCleaning and Maintenance Inspecting BurnersTroubleshooting Observed Problem Possible Cause RemedyMaintenance, Top Gas leak. See Warning statement atTechnical Service SpecificationsaccessoriesWiring Diagram Service HintsIllustrated Parts Breakdown CGD3924NRParts List KEY Part Number Description QTYCGB3924NR CGB3930NR KEY CGB3924NR CGB3930NR Part Number Description QTY Parts not Under Warranty Replacement PartsParts Under Warranty Parts Central104306 Warranty Information