Desa CGN18R, CGN30C Operating Heater Inspecting Burner, Pilot Flame Pattern, Shutting Off Heater

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OPERATING HEATER

Continued

INSPECTING BURNER

 

 

TO TURN OFF GAS TO APPLIANCE

 

 

 

 

 

 

 

Shutting Off Heater

1.

Turn control knob clockwise Clockwise to the OFF position.

2.

Turn off all electric power to the appliance if service is to be performed.

Shutting Off Burner Only (pilot stays lit)

1.

Turn control knob clockwise Clockwise to the PILOT position.

MANUAL LIGHTING PROCEDURE

1.Follow steps 1 through 6 under Lighting Instructions, pages 17 and 18.

2.With control knob pressed in, strike match. Hold match to pilot until pilot lights.

3.Keep control knob pressed in for 10 seconds after lighting pilot. After 10 seconds, release control knob.

Check pilot flame pattern and burner flame pattern often.

PILOT FLAME PATTERN

Figure 18 shows a correct pilot flame pattern. Figure 19 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching the thermocouple. This will cause the thermocouple to cool. When the thermocouple cools, the heater will shut down.

Pilot Burner

Thermocouple

GOOD PILOT

GRH/OV 009

Figure 18 - Correct Pilot Flame Pattern

Thermocouple

Pilot Burner

 

BAD PILOT

GRH/OV 010

Figure 19 - Incorrect Pilot Flame Pattern

If pilot flame pattern is incorrect, as shown in Figure 19

turn heater off (see To Turn Off Gas to Appliance, above)

see Troubleshooting, pages 22 through 25

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Contents OWNER’S Operation and Installation Manual What to do if YOU Smell GASContents Safety InformationSafety Information Piezo Ignition System Local Codes Unpacking Product FeaturesSafety Device Fresh AIR For CombustionVentilation 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 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 Checking Heater 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