Manuals / Roberts Gorden / Household Appliance / Fan

Roberts Gorden DAT100, DAT75, DAT90, DAT115 Combination Fan/Limit Thermostat, Fire Hazard

Models: DAT115 DAT100 DAT90 DAT75

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DUALAIR® HEATING AND COOLING UNITS INSTALLATION OPERATION AND SERVICE MANUAL

Figure 19: Combination Fan/Limit Thermostat

WARNING

Fire Hazard

Break-off link must be removed from replacement thermostat.

Heat exchanger damage may result.

Failure to follow these instructions can result in death, injury, property damage or product damage.

Dial

Set Point 3 Limit Temp.

Set Point 2 Fan On

Set Point 1 Fan Off

Fan Terminals

Manual Fan Switch

(White)

Pull out for normal operation. Push in for continuous fan.

Push Screwdriver in and hold to release

Push in Lock

Wire to Controlled Equipment

Limit Stat

Manual Reset Button (Red)

Limit Terminals

BREAK-OFF LINK

MUST BE REMOVED

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Roberts Gorden DAT100, DAT75, DAT90, DAT115 Combination Fan/Limit Thermostat, Fire Hazard, Heat exchanger damage may result

Contents

manual thoroughly before installing or servicing FOR YOUR SAFETYDO NOT use electrical switches DualAirPage SECTION 2 Installer Responsibility TABLE OF CONTENTSSECTION 1 Heater Safety SECTION 4 SpecificationsPage TABLE OF FIGURES Page Product Approval 2.1 Clearances to Combustibles SECTION 1 HEATER SAFETYSECTION 2 INSTALLER RESPONSIBILITY 2.2 Corrosive Chemicals3.4 Clearances to Combustibles 3.3 Minimum Required Installation Clearances3.2Location and Suspension All models 3.5 Ventilation80 cm is necessary to service heater Front View Left Version SECTION 4 SPECIFICATIONS 4.1 DATFront View Rear View4.2 General Technical Data Table 4.3Technical Data Table - Heater Section Appliance Category II 2H/L 3B/P 4.4.2 DAT100 and 115 4 kW motor 5.3 Shelf Mounting and Suspension SECTION 5 HEATER INSTALLATION 5.1 General5.2 Handling Figure 3 Suspension MethodsSee Page 10, Figure 4 through Page 12, Figure terminal. See Page 12, Figure6.3 Type B22 Appliance 6.3.1 Air Intake Terminal CoverFigure 5 Control Section & Upper Panel Figure 6 AlternateMetal Sleeve Roof TerminalMasterflash 25 mm air gap toSECTION 7 AIR SUPPLY 7.1 Room Sealed Installation7.2 Open Flued Installation 7.3 Building Ventilation7700 Department for recommendations regardingduct resistance and design. Tel +44 Figure 10 DuctingSECTION 9 GAS PIPING 9.1 Connections10.1 Electrical Supply SECTION 10 WIRING AND ELECTRICAL INFORMATION10.2 Remote Control 10.2.1 Remote Frost ThermostatOperation TerminalRelay/Function NumberWIRING 10.4 DAT Wiring DiagramSee Page 20, Section SITESECTION 10 WIRING AND ELECTRICAL INFORMATION 10.5 DAT Wiring DiagramSite wiring connections shown 10.6 DAT Site Connections at Main Circuit Board 11.1 Pre-CommissionChecks SECTION 11 COMMISSIONING Gas Fired HeaterCooling Coils/Condensers 11.1.1 LouvresFigure 12 Automatic Burner Control Box Sequence Figure 13 Modureg Gas Valve11.4.2 Commissioning the Gas Valves two adjustments. See Page 22, Figure11.5 Combustion Testing See Page 22, Figure11.7 External Controls Pressure Switch11.6 Turning Off the DualAir Unit 11.8 Complete the CommissioningFigure 14 Heater Operating Sequence 12.2 Heater Operation12.2.1 Warning Lights 12.3 Common User Controls12.6.1 Simple Fault Finding burner faults 12.3.3 Burner Lockout Reset Button12.6Simple Fault Finding 12.4 Cooling Section OperationIf you smell gas FOR YOUR SAFETY3.DO NOT use electrical switches 1.Open windows13.4 Heat Exchanger Maintenance 13.2 Burner Maintenance13.3 Fan/Motor Assembly Maintenance SECTION 13 SERVICING 13.1 Servicing InstructionsROBERTS GORDON replacement parts 13.6 Flue Fan 13.5 Gas Control Valve MaintenanceReplace faulty gas valves with genuine Do not repair or disassemble on site14.3 Gas Valves SECTION 14 CONVERSION BETWEEN GASES 14.1 General14.2 Burner Conversion Start SECTION 15 TROUBLESHOOTING 15.1 GeneralExplosion Hazard TROUBLESHOOT ENDSvalues, then reverse the test leads TROUBLESHOOT ENDS 15.3 Troubleshooting for Flame Supervision SystemSTART START 15.4 Troubleshooting for Solenoid Valves15.5 Troubleshooting for Main Fan STARTSTART 15.6 Troubleshooting for Fan ContactorSECTION 15 TROUBLESHOOTING TROUBLESHOOT ENDSBurner Components SECTION 16 REMOVAL AND REPLACEMENT PARTS16.1.1 Gas Valve Replacement - all models See Page 5, SectionEnsure gas tight fitting of injectors 16.2 Burner Compartment16.2.1 Burner Injectors Ensure correct alignment with burners16.3 Ignition Electrode and Flame Probe 16.4 Flue Fan 16.5 Heater Pressure Switch See Page 21, SectionFilter Pressure Switch 16.6.2 Pressure SwitchesCoil Pressure Switch Figure 18 Cooling Coil Safety Devices16.8 Fan Motor Removal 16.7 Ignition Control16.7.1 S4563C 16.8.1 Fan Removal and Replacement Heat exchanger damage may result Figure 19 Combination Fan/Limit ThermostatFire Hazard BREAK-OFFLINK MUST BE REMOVEDPage injury or property damage Fire Hazardclose to heater OPERATING INSTRUCTIONS