Roberts Gorden DAT115, DAT75, DAT90, DAT100 service manual Ignition Electrode and Flame Probe

Page 43

SECTION 16: REMOVAL AND REPLACEMENT PARTS

16.3 Ignition Electrode and Flame Probe.

Burners

Fan/Limit Thermostat

		Secondary
		Limit
		Thermostat
	Flame	Flame
	Probe	Flame
	Probe	Probe
	Remove all	Probe
	burner compartment
	screws to remove
	the burner	Remove
	compartment and	Remove
	compartment and	Screw
	access the	Screw
	access the
	“Front View”.

Burner Compartment

Front Views

Ignition

Electrode

Ignition

Electrode

(3 mm)

.120" spark gap

Burners

To replace the Ignition Electrode or Flame probe, remove the electrical lead and screw. Pull out from mounting. Refit in reverse ensuring that the gap to burner is as shown in the Front View of the Burner Compartment.

Description	Part Number
Spark Electrode	90427411
Automatic Ignition Flame Probe	90439300
Burners (all models)	92000000

37

Image 43

Contents DualAir Page 2005 Page Table of Figures Page Product Approval Corrosive Chemicals Clearances to CombustiblesNational Standards and Applicable Codes Flue Minimum Required Installation ClearancesCritical Considerations 3.1 Basic Information Electrical SupplyInstallation Clearances and Clearances to Combustibles Front View Left Version Specifications 4.1 DAT all modelsModel 100 115 Fan Data General Technical Data Table all modelsModel 100 115 2 DAT100 and 115 4 kW motor Handling Heater Installation 5.1 GeneralShelf Mounting and Suspension Flue Conversion Flue Installation 6.1 Flue InstallationType B22 Appliance Air Intake Terminal CoverControl Section & Upper Panel Vertical and Horizontal Flue Termination Type B22 Appliance Building Ventilation Room Sealed InstallationOpen Flued Installation Heaters Installed Within the Heated SpaceDuct resistance and design. Tel +44 0 Optional Heater Configurations 8.1 Distribution Duct14, .1 and to ensure that there is Department for recommendations regardingConnections Gas Connection with Stainless Steel Flex ConnectorRemote Frost Thermostat Remote ControlSee Page 17, .3 through Page 18, Section Number See Page 20, Section DAT Wiring Diagram ModelsSite wiring connections shown DAT Site Connections at Main Circuit Board Electrical Checks Gas Fired HeaterCooling Coils/Condensers LouversAutomatic Burner Control Box Sequence Set Minimum Pressure Combustion Testing all modelsCommissioning the Gas Valves Commissioning the Gas ValveInstruction to the User Pressure SwitchTurning Off the DualAir Unit Complete the CommissioningSee Page 7, .3 and Page 8, Figure See Page 26, SectionSee Page 25, Section Heater OperationCooling Section Operation Burner Lockout Reset ButtonSimple Fault Finding all models Simple Fault Finding burner faultsServicing 13.1 Servicing Instructions Burner Maintenance13.3 Fan/Motor Assembly Maintenance Heat Exchanger MaintenanceGas Control Valve Maintenance all models Burner Conversion Conversion Between Gases 14.1 GeneralGas Valves Conduct Commissioning procedure as shown on Page 21, Section Result in death or electrical shock Troubleshooting For Automatic Ignition Burner SystemsStart Troubleshooting for Flame Supervision SystemTroubleshooting for Main Fan Troubleshooting for Solenoid ValvesConduct Commissioning procedure as on Page 21, Section Troubleshooting for Fan ContactorGas Valve Gas Valve Replacement all modelsBurner Components See Page 5, SectionBurner Injectors Burner CompartmentIgnition Electrode and Flame Probe Remove screws securing outlet flange to the flue adapter See Page 21, Section Heater Pressure SwitchCoil Pressure Switch Pressure SwitchesFilter Pressure Switch 16.7.1 S4563C Models 75 to Ignition ControlFan Motor Removal Fan Removal and Replacement Combination Fan/Limit Thermostat Page Page Some objects can catch fire or explode when placed

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