Roberts Gorden DAT75, DAT90, DAT100, DAT115 service manual

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 Handling Heater Installation 5.1 GeneralShelf Mounting and Suspension 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 Burner Conversion Conversion Between Gases 14.1 GeneralGas Valves 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, SectionCoil Pressure Switch Pressure SwitchesFilter Pressure Switch 16.7.1 S4563C Ignition ControlFan Motor Removal Fan Removal and Replacement BREAK-OFF Link Must be Removed Page Some objects can catch fire or explode when placed