Desa CGN10R Operating Heater Inspecting Burner, To Turn OFF GAS to Appliance, Pilot Flame Pattern

Page 19

OPERATING HEATER

Continued

INSPECTING BURNER

TO TURN OFF GAS TO APPLIANCE

Shutting Off Heater

1. Turn control knob clockwise Clockwise to the OFF position.

Shutting Off Burner Only (pilot stays lit)

1. Turn control knob clockwise to the PILOT position.

MANUAL LIGHTING PROCEDURE

1.Remove front panel (see Figure 10, page 12).

2.Follow steps 1 through 5 under Lighting Instructions, pages 16 and 17.

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

4.Keep control knob pressed in for 10 seconds after pilot is lit. After 10 seconds, release control knob.

5.Replace front panel.

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/LP

GRH/OV 008

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 21 through 24

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Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualContents Safety Information Safety Information Piezo Ignition System Local Codes Unpacking Product FeaturesSafety Device Product IdentificationUnconfined Space Fresh AIR for Combustion and VentilationProviding Adequate Ventilation Unusually Tight ConstructionDetermining if You Have a Confined or Unconfined Space Determining FRESH-AIR Flow for Heater LocationVentilation Air From Inside Building Ventilation AIRVentilation Air from Outdoors Ventilation Air From OutdoorsCheck GAS Type Installation ItemsLocating Heater Marking Screw Locations Installing Heater to WallFolding Anchor Installing Two Mounting ScrewsPlacing Heater On Mounting Screws Connecting to GAS Supply Checking GAS Connections ConnectingPressure Testing GAS Supply Piping System To GAS SupplyManual Shutoff Valve Pressure Testing Heater GAS ConnectionsOperating Heater For Your Safety Read Before LightingPilot To Select Heating Level Pilot Flame Pattern Manual Lighting ProcedureOperating Heater Inspecting Burner To Turn OFF GAS to ApplianceCorrect Burner Flame Pattern Burner Flame PatternAir Passageways Cleaning and Maintenance Trouble ShootingODS/PILOT and Burner Orifice CabinetTROUBLE- Shooting See CleaningMaintenance , Ing statement at TROUBLE- Shooting Technical ServiceTop Parts Under Warranty Service Hints Replacement PartsParts Not Under Warranty Parts Centrals Service Publications AccessoryValve GA5010 Illustrated Parts Breakdown Parts List CGN10RKeep this Warranty Warranty Information