Desa CGD3924NT Connecting to GAS Supply, Attaching Flexible Gas Hose to Heater Gas Regulator

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INSTALLATION

Installing Heater Base Assembly (Cont.) Connecting To Gas Supply

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INSTALLATION

Continued

1.Apply pipe joint sealant lightly to male threads of the fitting to be threaded into gas regulator. Connect approved flexible gas hose to gas regulator of heater (see Figure 12).

IMPORTANT: Hold gas regulator with wrench when connect- ing flexible gas hose.

2.Locate masonry screws in hardware package.

3.Position heater base assembly in fireplace.

4.Place logs in their proper position on heater base, see Installing Logs on pages 13 through 16.

5.Center heater base and logs front-to-back and side-to-side in fireplace.

6.Carefully remove logs without moving heater base.

7.Mark screw locations through holes in mounting brackets (see Figure 13 or 14). If installing in a brick-bottom fireplace, mark screw locations in mortar joint of bricks.

8.Remove heater base from fireplace.

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

10.Attach base assembly to fireplace floor using two masonry screws (in hardware package) (see Figures 13 or 14).

Flexible Gas Hose

Heater Gas

(if allowed by local

codes)

Regulator

 

Fitting

Figure 12 - Attaching Flexible Gas Hose to Heater Gas Regulator

Masonry

Screw

Mounting

Bracket

Masonry

Screw

Mounting

Bracket

Figure 14 - Attaching Base Assembly to Fireplace Floor - Single Burner Model

CONNECTING TO GAS SUPPLY

WARNING: This appliance requires a 1/2" NPT (National Pipe Thread) inlet connection to the pres- sure regulator.

WARNING: A qualified service person must con- nect heater to gas supply. Follow all local codes.

Installation Items Needed

Before installing heater, make sure you have the items listed below.

•piping (check local codes)

•sealant (resistant to propane/LP gas)

•equipment shutoff valve *

•test gauge connection *

•sediment trap

•tee joint

•pipe wrench

*A CSA design-certified equipment shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Purchase the optional CSA design-certified equipment shutoff valve from your dealer. See Accessories, page 36.

Figure 13 - Attaching Base Assembly to Fireplace Floor - Dual Burner Model

WARNING: Never connect heater to private (non- utility) gas wells. This gas is commonly known as wellhead gas.

CAUTION: Use only new, black iron or steel pipe. Internally-tinned copper tubing may be used in certain areas. Check your local codes. Use pipe of 1/2" diam- eter or greater to allow proper gas volume to heater. If pipe is too small, undue loss of volume will occur.

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107123-01E

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Contents What to do if YOU Smell GAS OWNER’S Operation Installation ManualUnvented VENT-FREE Natural GAS LOG Heaters Biltmore Split OAK, Seasonal OAK, Smoky Mountain OAK LogsSafety Information Table of ContentsProduct Identification AIR for Combustion and Ventilation Product FeaturesUnpacking Local CodesDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Heater LocationConfined and Unconfined Space Ventilation Air From Outdoors Ventilation AIRVentilation Air From Inside Building Minimum Firebox Size Log Front Rear Height Depth Width InstallationInstallation Check GAS TypeMinimum Noncombustible Material Clearances If Not Using MantelDetermining Minimum Mantel Clearance Determining Minimum Mantel Clearance When Using a HoodMantel Clearances Floor ClearancesArea of Various Standard Round Flues Installing Damper Clamp Accessory for Vented OperationInstalling Heater Base Assembly Installation Items NeededAttaching Flexible Gas Hose to Heater Gas Regulator Connecting to GAS SupplyChecking GAS Connections Pressure Testing Gas Supply Piping systemDual Burner Smoky Mountain Oak Models Installing LogsPressure Testing Heater Gas Connections Dual Burner Biltmore Split Oak Models Dual Burner Premium Aged Split Oak ModelsInstalling Rear Log Single Burner Seasonal Oak Models Installing Crossover LogLighting Instructions For Your Safety Read Before LightingOperating Heater Shutting Off Heater Manual Lighting ProcedureVariable Control Operation To Turn OFF GAS to ApplianceIgnitor Button Inspecting Burners Cleaning and MaintenanceModel SpecificationsLogs Model ModelsObserved Problem Possible Cause Remedy TroubleshootingMaintenance, Gas leak. See Warning statement at top TopFor Masonry and Factory-built Metal Fireplace Optional Positioning of Thermostat Sensing BulbBreakdown Illustrated PartsDescription QTY Parts ListCGD3018NT CGD3924NT CGD3930NT Illustrated Parts BreakdownCGD3018NT CGD3924NT CGD3930NT Thermostatically-Controlled Biltmore Split Oak Model CCL3018NTCCL3018NT CCL3924NT, CCL3930NTA CCL3924NT CCL3930NTA Variable Manually-Controlled Seasonal Oak Models CRL2718N CRL3124N Variable Manually-Controlled Mountain Oak ModelsAccessories Replacement PartsService Hints Technical ServiceOwners Registration Form Postage Required Parts Central Warranty Information
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