Desa Tech CGP10 Checking GAS, Connections, Pressure Testing GAS Supply Piping System

Page 14

CONNECTING

IMPORTANT: Hold pressure regulator with wrench when connecting it to gas piping

 

TO GAS

and/or fittings.

 

 

 

 

 

 

 

SUPPLY

 

 

 

 

Continued

 

 

 

 

 

 

Pressure

 

 

Regulator

 

3/8" NPT

 

 

 

 

Pipe Nipple

 

 

 

 

 

Heater

 

 

Cabinet

 

Ground Joint Union

 

 

 

 

Manual

Tee Joint

 

 

 

 

 

 

 

Shutoff

Reducer

 

Test

 

Valve *

 

 

Bushing to

Gauge

 

From

1/8" NPT

 

Connection *

 

External

1/8" NPT

 

 

 

Regulator

 

 

 

Plug Tap

 

 

 

(11" W.C. to

 

 

 

 

 

 

 

14" W.C. Pressure)

Tee

 

 

 

3" Minimum

Joint

 

 

 

 

Sediment Trap

 

 

Pipe

 

 

Nipple

 

 

 

 

Cap

 

 

 

Figure 13 - Gas Connection

 

 

*An A.G.A. design certified manual shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Purchase the optional A.G.A. design certified manual shutoff valve from your dealer. See Accessory, page 25.

CHECKING

WARNING

GAS

 

 

Test all gas piping and connections for leaks after installation or

CONNECTIONS

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.

 

 

 

 

 

CAUTION

 

 

 

 

Make sure external regulator has been installed between propane

 

supply and heater. See guidelines under Connecting to Gas Sup-

 

ply, page 13.

 

 

 

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.

14

Continued

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Contents OWNER’S Operation and Installation Manual What to do if YOU Smell GASContents Safety Information Product Identification Local Codes Unpacking Product FeaturesSafety Device Piezo Ignition SystemVentilation Fresh AIR ForCombustion Producing Adequate VentilationDetermining if You Have a Confined or Unconfined Space Fresh AIRDetermining FRESH-AIR Flow for Heater Location Ventilation Air From Inside Building Fresh AIR for Combustion and VentilationVentilation AIR Ventilation AIR Ventilation Air From OutdoorsCheck GAS Type Installing To WallInstallation Items Locating HeaterInstalling Heater to Wall Marking Screw LocationsInstalling Two Mounting Screws Folding AnchorPlacing Heater On Mounting Screws Supply Connecting To GASQualified service person must connect heater to gas supply Follow all local codesConnections Pressure Testing GAS Supply Piping SystemChecking GAS Pressure Testing Heater GAS Connections Checking GAS ConnectionsFor Your Safety Read Before Lighting Operating HeaterHeater OperatingShutting Off Heater Operating Heater Inspecting BurnerPilot Flame Pattern Shutting Off Burner Only pilot stays litBurner Flame Pattern Correct Burner Flame PatternTrouble Shooting CleaningMaintenance ODS/PILOT and Burner OrificeCleaning and Mainte TroubleTROUBLE- Shooting LOWDo not try to light any appliance If you smell gasShut off gas supply Ing statement atHints ServiceTechnical PartsValve GA5010 Service Publications AccessoryParts Centrals CGP10 Parts List CGP10 Warranty Information Keep this Warranty