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Roberts Gorden DAT75, DAT90, DAT100, DAT115 service manual

Models: DAT115 DAT100 DAT90 DAT75

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Roberts Gorden DAT75, DAT90, DAT100, DAT115 service manual

Contents

DualAir DAT100 DAT115If you smell gas Quality in Any LanguagePage TABLE OF CONTENTS 2005Page TABLE OF FIGURES Page Product Approval SECTION 1 HEATER SAFETY SECTION 2 INSTALLER RESPONSIBILITY2.1 Clearances to Combustibles 2.2 Corrosive Chemicals3.3 Minimum Required Installation Clearances 3.7 Electrical Supply3.8 Flue 3.9 Coil Condense Drain80 cm is necessary to service heater Front View SECTION 4 SPECIFICATIONS 4.1 DAT all modelsFront View Left Version 4.2 General Technical Data Table all models 4.3Technical Data Table - Heater Section all models Appliance Category II 2H/L 3B/P 4.4.2 DAT100 and 115 4 kW motor SECTION 5 HEATER INSTALLATION 5.1 General 5.2 Handling5.3 Shelf Mounting and Suspension Figure 3 Suspension Methodsterminal. See Page 12, Figure 6.3 Type B22 ApplianceSee Page 10, Figure 4 through Page 12, Figure 6.3.1 Air Intake Terminal CoverFigure 5 Control Section & Upper Panel Figure 6 AlternateRoof Terminal MasterflashMetal Sleeve 25 mm air gap to combustible material Flue7.1 Room Sealed Installation 7.2 Open Flued Installation7.2.1 Heaters Installed Within the Heated Space SECTION 7 AIR SUPPLYDepartment for recommendations regarding duct resistance and design. Tel +44494425 Figure 10 DuctingSECTION 9 GAS PIPING 9.1 ConnectionsSECTION 10 WIRING AND ELECTRICAL INFORMATION 10.2 Remote Control10.1 Electrical Supply 10.2.1 Remote Frost ThermostatTerminal Relay/FunctionOperation NumberSee Page 20, Section 10.4 DAT Wiring Diagram ModelsSITE WIRING Site wiring connections shown 10.5 DAT Wiring Diagram ModelsSECTION 10 WIRING AND ELECTRICAL INFORMATION 10.6 DAT Site Connections at Main Circuit Board SECTION 11 COMMISSIONING Gas Fired Heater Cooling Coils/Condensers11.1 Pre Commission Checks 11.1.1 LouversFigure 12 Automatic Burner Control Box Sequence Figure 13 Modureg Gas ValveRequired Incoming Signals Signals Output By Controltwo adjustments. See Page 22, Figure 11.5 Combustion Testing all models11.4.2 Commissioning the Gas Valves See Page 22, FigurePressure Switch 11.6 Turning Off the DualAir Unit11.7 External Controls 11.8 Complete the CommissioningSee Page 26, Section See Page 25, Section12.2 Heater Operation 12.2.1 Warning Lights12.3.3 Burner Lockout Reset Button 12.6 Simple Fault Finding all models12.6.1 Simple Fault Finding burner faults 12.4 Cooling Section Operation13.2 Burner Maintenance 13.3 Fan/Motor Assembly Maintenance13.4 Heat Exchanger Maintenance SECTION 13 SERVICING 13.1 Servicing Instructions13.5 Gas Control Valve Maintenance all models Replace faulty gas valves with genuineROBERTS GORDON replacement parts 13.6 Flue Fan Do not repair or disassemble on site14.2 Burner Conversion SECTION 14 CONVERSION BETWEEN GASES 14.1 General14.3 Gas Valves SECTION 15 TROUBLESHOOTING 15.1 General Startvalues, then reverse the test leads 15.3 Troubleshooting for Flame Supervision System STARTTROUBLESHOOT ENDS damaged? Is the flame probe15.4 Troubleshooting for Solenoid Valves 15.5 Troubleshooting for Main FanSTART STARTSTART 15.6 Troubleshooting for Fan ContactorTROUBLESHOOT ENDS SECTION 16 REMOVAL AND REPLACEMENT PARTS 16.1.1 Gas Valve Replacement - all modelsBurner Components See Page 5, Section16.2 Burner Compartment 16.2.1 Burner InjectorsEnsure gas tight fitting of injectors Ensure correct alignment with burners16.3 Ignition Electrode and Flame Probe 16.4 Flue Fan 16.5 Heater Pressure Switch See Page 21, Section16.6.2 Pressure Switches Coil Pressure SwitchFilter Pressure Switch Figure 18 Cooling Coil Safety Devices16.7.1 S4563C Models 75 to 16.7 Ignition Control16.8 Fan Motor Removal 16.8.1 Fan Removal and Replacement Fire Hazard Figure 19 Combination Fan/Limit ThermostatHeat exchanger damage may result Page Page Installation Clearances 80 cm is necessary to service heaterFire Hazard close to heater