Desa Tech 18, 28 installation manual Correct Burner Flame Pattern

Page 21

INSPECTING BURNER

Continued

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

turn heater off (see To Turn Off Gas to Appliance, page 19).

see Troubleshooting, pages 22 through 25.

BURNER FLAME PATTERN

Figure 20 shows a correct burner flame pattern. Figure 21 shows an incorrect burner flame pattern. The incorrect burner flame pattern shows yellow tipping of the flame. It also shows the flame higher than 1/2 the glass panel height.

WARNING

WARNING ICON

G 001

If yellow tipping occurs, your heater could produce increased levels of carbon monoxide. If burner flame pattern shows yellow tipping, follow instructions at bottom of this page.

NOTICE

Do not mistake orange flames with yellow tipping. Dirt or other fine particles enter the heater and burn causing brief patches of orange flame.

1/2 GLASS HEIGHT

CORRECT FLAME PATTERN

AT HIGH POSITION

Figure 20 - Correct Burner Flame Pattern

Yellow

Tipping

1/2 GLASS HEIGHT

INCORRECT FLAME PATTERN

AT HIGH POSITION

Figure 21 - Incorrect Burner Flame Pattern

If burner flame pattern is incorrect, as shown in Figure 21

turn heater off (see To Turn Off Gas to Appliance, page 19)

see Troubleshooting, pages 22 through 25

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Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualSafety Information Contents001 Local Codes Product IdentificationUnpacking ProductCombustion Fresh AIR ForVentilation Providing Adequate VentilationFresh AIR for Combustion and Ventilation Determining FRESH-AIR Flow for Heater LocationDetermining if You Have a Confined or Unconfined Space Ventilation Air From Inside Building Ventilation AIRVentilation Air from Outdoors Ventilation Air From OutdoorsInstallation Items Installing To WallCheck GAS Type Locating HeaterThermostat Sensing Bulb Locating Thermostat Sensing BulbAttaching Thermostat Sensing Bulb Mounting Bracket Installing Heater to WallRemoving Front Panel Of Heater Methods For Attaching Mounting Bracket To WallAttaching Mounting Bracket To Wall Marking Screw LocationsPlacing Heater On Mounting Bracket Installing Bottom Mounting ScrewsConnecting to GAS Supply Checking GAS Pressure Testing GAS Supply Piping SystemConnections Servicing. Correct all leaks at onceChecking Pressure Testing Heater GAS ConnectionsOperating Heater For Your Safety Read Before LightingPilot Shutting Off Burner Only pilot stays lit Shutting Off HeaterPilot Flame Pattern Inspecting BurnerCorrect Burner Flame Pattern Burner Flame PatternODS/PILOT and Burner Trouble ShootingCabinet Air PassagewaysTrouble Cleaning and MainteTROUBLE- Shooting Top Ing statement atTechnical Service Service Hints Service Publications18,000 Btu/Hr 28,000 Btu/Hr Models Parts Under Warranty Replacement PartsParts Not Under Warranty CentralsODS/Pilot Assembly CGN18TB CGN28TB Description Parts ListAccessories FAN Kits GA2100A, GA3100 GA3100A, and GA3200TAValve GA5010 101808 Keep this Warranty Warranty Information