Desa VN1800D Burner Flame Pattern, If burner flame pattern is incorrect, as shown in Figure

Page 25

INSPECTING BURNER

Continued

BURNER FLAME PATTERN

Figure 24 shows a correct burner flame pattern. Figure 25 shows an incorrect burner flame pattern.

Correct Burner Pattern-Plaque GRH/OV 018

Figure 24 - Correct Burner Flame Pattern

Bad Burner Pattern-Plaque GRH/OV 019

Figure 25 - Incorrect Burner Flame Pattern

If burner flame pattern is incorrect, as shown in Figure 25

•turn heater off (see To Turn Off Gas to Appliance, page 20 [models VN1800ITA and VN2550ITA] or page 24 [models VN1800D and VN3000D])

•see Troubleshooting, pages 26 through 29

101822

25

Image 25

Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualContents Safety Information Combustion and Ventilation, pages 5 through Product Local Codes Unpacking Product FeaturesIdentification Combustion Fresh AIR ForVentilation Producing Adequate VentilationDetermining FRESH-AIR Flow for Heater Location Fresh AIR for Combustion and VentilationDetermining 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 HeaterModels VN1800ITA and VN2550ITA Only Thermostat Sensing BulbLocating Thermostat Sensing Bulb Attaching Thermostat Sensing BulbMounting 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 GAS Connections Pressure Testing Heater GAS ConnectionsOperating Heater Lighting Instructions Operating HeaterTo Select Heating Level HeaterShutting Off Burner Only pilot stays lit Shutting Off HeaterOperating Explosion may result causing property damage, personalIf you do not follow these instructions exactly, a fire or Injury or loss of lifeModels VN1800D and VN3000D LOW MED High Pilot Flame Pattern Inspecting BurnerIf burner flame pattern is incorrect, as shown in Figure Burner Flame PatternODS/PILOT and Burner Orifice Cleaning and Maintenance Trouble ShootingCabinet Air PassagewaysTROUBLE- Shooting Observed Possible Remedy Problem CauseSee Cleaning Trouble ShootingShut off gas supply If you smell gasDo not try to light any appliance Ing statement atService Publications Hints Technical ServiceVN1800D VN3000D Accessories Replacement PartsModel VN1800ITA Illustrated Parts BreakdownParts List Model VN2550ITA Parts List Model VN1800D Control Position Label Hardware Assembly Model VN3000D Parts List Keep this Warranty Warranty Information