Desa CGN18R, CGN30C installation manual Checking, Pressure Testing Heater GAS Connections

Page 16

CHECKING

4.

Check all joints of gas supply piping system. Apply mixture of liquid soap and

 

GAS

 

water to gas joints. Bubbles forming show a leak.

5. Correct all leaks at once.

CONNECTIONS

Test Pressures Equal To or Less Than 1/2 PSIG

Continued

1.

Close manual shutoff valve (see Figure 13).

2.

Pressurize supply piping system by either using compressed air or opening

 

 

 

main gas valve located on or near gas meter.

 

3.

Check all joints from gas meter to manual shutoff valve (see Figure 14). Apply

 

 

mixture of liquid soap and water to gas joints. Bubbles forming show a leak.

 

4.

Correct all leaks at once.

PRESSURE TESTING HEATER GAS CONNECTIONS

1.Open manual shutoff valve (see Figure 13).

2.Open main gas valve located on or near gas meter.

3.Make sure control knob of heater is in the OFF position.

4.Check all joints from manual shutoff valve to control valve (see Figure 14). Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak.

5.Correct all leaks at once.

6.Light heater (see Operating Heater, pages 17 through 20). Check the rest of the internal joints for leaks.

7.Turn off heater (see To Turn Off Gas to Appliance, page 20).

8.Replace front panel.

Open

Manual

Shutoff

Valve

Closed

Figure 13 - Manual Shutoff Valve

Control Valve Location

Gas Meter

Manual

Shutoff

Valve

Figure 14 - Checking Gas Joints

16

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Contents OWNER’S Operation and Installation Manual What to do if YOU Smell GASContents Safety InformationSafety Information Safety Device Local Codes Unpacking Product FeaturesPiezo Ignition System Fresh AIR For CombustionVentilation Producing Adequate VentilationDetermining FRESH-AIR Flow for Heater Location Fresh AIRDetermining if You Have a Confined or Unconfined Space Ventilation AIR Fresh AIR for Combustion and VentilationVentilation Air From Inside Building Ventilation AIR Ventilation Air From OutdoorsInstalling To Wall Installation ItemsCheck GAS Type Locating HeaterInstalling to Wall Installing Heater to Wall Mounting BracketRemoving Front Panel Of Heater Methods For Attaching Mounting Bracket To WallMarking Screw Locations Attaching Mounting Bracket To WallInstalling Bottom Mounting Screws Placing Heater On Mounting BracketConnecting to GAS Supply CGN30CPressure Testing GAS Supply Piping System Checking GASConnections Servicing. Correct all leaks at oncePressure Testing Heater GAS Connections CheckingHeater What to do if YOU Smell GASOperating Heater PilotTo Select Heating Level Operating Heater Inspecting Burner Pilot Flame PatternShutting Off Heater Shutting Off Burner Only pilot stays litGRH/OV 019A Cleaning MaintenanceTrouble Shooting ODS/PILOT and Burner OrificeSee Cleaning TROUBLE- ShootingSee Cleaning and Main Service TechnicalReplacement Parts Parts Under WarrantyParts Not Under Warranty HintsAccessories CentralsFAN KIT GA3100 GA2100A Model CGN18R GA4000B Model CGN30C GA4010BIllustrated Parts Breakdown Model CGN18RParts List KEY Part Number Description QTYModel CGN30C Parts List Warranty Information Keep this Warranty