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

Page 44

DUALAIR® HEATING AND COOLING UNITS INSTALLATION OPERATION AND SERVICE MANUAL

16.3 Ignition Electrode and Flame Probe.

Fan/Limit Thermostat

 

Burners

 

 

Secondary

 

Limit

 

Thermostat

Flame

Flame

Probe

Probe

Remove all

burner compartment

 

screws to remove

 

the burner

Remove

compartment and

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

38

Image 44
Contents DualAir Page Roberts-Gordon, LLC Page Table of Figures Page Product Approval Heater Safety Installer ResponsibilityClearances to Combustibles Corrosive ChemicalsMinimum Required Installation Clearances Critical Considerations 3.1 Basic InformationLocation and Suspension All models VentilationInstallation Clearances and Clearances to Combustibles Specifications 4.1 DAT Front View Left VersionGeneral Technical Data Table Model 100 115 Fan DataModel 100 115 2 DAT100 and 115 4 kW motor Shelf Mounting and Suspension Heater Installation 5.1 GeneralHandling Flue Installation 6.1 Flue Installation Type B22 ApplianceAir Intake Terminal Cover Flue ConversionControl Section & Upper Panel Vertical and Horizontal Flue Termination Type B22 Appliance Room Sealed Installation Open Flued InstallationAIR Supply Building VentilationOptional Heater Configurations 8.1 Distribution Duct Department for recommendations regardingDuct resistance and design. Tel +44 0 121 7700GAS Piping ConnectionsWiring and Electrical Information Remote ControlSee Page 17, .3 through Page 18, Section ModelsNumber DAT Wiring Diagram See Page 20, SectionSite wiring connections shown DAT Site Connections at Main Circuit Board Commissioning Automatic Burner Control Box Sequence Combustion Testing Commissioning the Gas ValvesCommissioning the Gas Valve Set Minimum PressurePressure Switch Turning Off the DualAir UnitComplete the Commissioning Instruction to the UserHeater Operation Common User Controls Combination Fan/Limit ThermostatSee Page 7, .3 and Page 8, Figure Secondary Limit ThermostatBurner Lockout Reset Button Simple Fault FindingSimple Fault Finding burner faults Cooling Section OperationIf you smell gas Burner Maintenance 13.3 Fan/Motor Assembly MaintenanceHeat Exchanger Maintenance Servicing 13.1 Servicing InstructionsGas Control Valve Maintenance Gas Valves Conversion Between Gases 14.1 GeneralBurner Conversion Conduct Commissioning procedure as shown on Page 21, Section Troubleshooting For Automatic Ignition Burner Systems Result in death or electrical shockTroubleshooting for Flame Supervision System StartTroubleshooting for Solenoid Valves Troubleshooting for Main FanTroubleshooting for Fan Contactor Conduct Commissioning procedure as on Page 21, SectionRemoval and Replacement Parts Gas Valve Replacement all modelsBurner Components Gas ValveBurner Compartment Burner InjectorsIgnition Electrode and Flame Probe Remove screws securing outlet flange to the flue adapter Heater Pressure Switch See Page 21, SectionFilter Pressure Switch Pressure SwitchesCoil Pressure Switch Fan Motor Removal Ignition Control16.7.1 S4563C Fan Removal and Replacement BREAK-OFF Link Must be Removed Page Some objects can catch fire or explode when placed
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