Desa Tech CGD3930N, CGD3018N, CGD3924N installation manual Checking GAS Connections, Gas Connection

Page 17

INSTALLING

Continued

CAUTION

Avoid damage to regulator. Hold gas regulator with wrench when connecting it to gas piping and/or fittings.

From

Gas Meter

(5" W.C.** to

10.5" W.C. Pressure)

Tee Joint

Pipe

Nipple

Cap

Sediment

Trap

A.G.A. Design-Certified

Manual Shutoff Valve

With 1/8" NPT Tap*

Approved Flexible Gas Hose (if allowed by local codes)

Gas

Regulator

3" Minimum

Figure 13 - Gas Connection

*Purchase the optional A.G.A. design-certified manual shutoff valve from your dealer. See Accessories, page 29.

**Minimum inlet pressure for purpose of input adjustment.

CHECKING GAS CONNECTIONS

WARNING

Test all gas piping and connections for leaks after installing or servicing. Correct all leaks at once.

WARNING

Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints. Bubbles forming show a leak. Correct all leaks at once.

Pressure Testing gas Supply Piping system

Test Pressures In Excess Of 1/2 PSIG

1.Disconnect heater and its individual manual shutoff valve from gas supply piping system. Pressures in excess of 1/2 psig will damage heater regulator.

2.Cap off open end of gas pipe where manual shutoff valve was connected.

Continued

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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 Safety Device Local Codes Unpacking Product FeaturesOperation Piezo Ignition SystemProviding Adequate Ventilation AIR forVentilation Determining if You Have a Confined or Unconfined Space AIR for Combustion and VentilationDetermining AIR Flow for Heater Location Tion and ventilation air by one of the methods described Ventilation AIRVentilation Air From Inside Building Ventilation Air From OutdoorsCheck GAS Type InstallingMinimum Wall and Ceiling Clearances see Figure Minimum Fireplace ClearanceLOG Sizing Requirements 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 Operating HeaterPilot Flame Pattern Operating Heater Inspecting BurnersMaintenance CleaningTrouble Shooting ODS/PILOT and BurnerTROUBLE- Shooting Maintenance,Refer to Air for Com Gas leak. See Warning Model Technical ServiceService Hints Parts Central Parts Under WarrantyParts Not Under Warranty Valve GA5010 AccessoriesHood GA6050 Hood GA6052Illustrated Parts Breakdown CGD3018N CGD3924N CGD3930N Parts ListKeep this Warranty Warranty Information