Roberts Gorden UHD[X][S][R] 75, UHD[X][S][R] 125 manual

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Roberts Gorden UHD[X][S][R] 75, UHD[X][S][R] 125 service manual

Contents

Combat Page Roberts-Gordon LLC Page Table of Figures Page Heater Safety Manpower Requirements National Standards and Applicable Codes Installer ResponsibilityCorrosive Chemicals Wall Tag Manufactured Units Minimum Required Installation ClearancesCritical Considerations 3.1 Basic Information Clearances to Combustibles Gas Supply VentilationElectrical Supply Vent National Standards and Applicable Codes High Altitude Air Flow and Temperature Rise Ranges Duct Heater Installation 5.1 GeneralTemperature Rise and Pressure Drop Ranges Minimum Inlet Duct Length Shelf Mounting and Suspension Wall Mounting Shelf-Mounting Methods Changing Vent and Air Intake Orientation Vent InstallationVenting United States Requirements Unvented Operation Standard Vented Heaters Models Uhdxr 75Separated Combustion Heaters Models Uhdxsr 75 Horizontal Venting Replacing an Existing Heater in a Venting System Maximum Vent LengthsVent Material Vent and Roof Detail Standard Vented Heater Common Vertical Vent Termination Concentric Vent Box UHVK1 AIR Supply Separated Combustion InstallationUnvented Installation Building Ventilation GAS Piping Connections Positioning Thermostats WiringLow Voltage Thermostat with One Heater Internal Wiring Diagram L2 L1 Ladder Wiring Diagram Flue Blower Transformer GAS Valve Flame Sensor Electrode Electrical Connection to the Heater Pre-Start-Up Checks Operation and MaintenanceBegin Start-Up Before Operating the Heater Electrical Checks END View Turning Off the Heater Pressure SwitchCheck Gas Rate External Controls Heater Operation User InstructionsUser Instructions Lighting Instructions 11.4.1 To Turn On Heater To Turn Heater Off Simple TroubleshootingSimple Troubleshooting Burner Faults Servicing Vehicles and Other Maintenance ChecklistVicinity of the Heater Objects Valves When installed DuctworkGas Line and Shut-off Burner Observation Troubleshooting 13.1 General Troubleshooting For Automatic Ignition Burner Systems Conduct start-up procedure as shown on Page 23, Section Troubleshooting for Flame Supervision System Troubleshooting for Gas Valves Troubleshooting for Flue Blower Replacement Parts Burner Components Burner Compartment Burner Injectors Ignition Electrode and Flame Probe Flue Blower Vertical Installation Top, remove the blower and mounting plate as above Limit Switches Removal and Replacement Ignition Control Specifications 15.1 Dimension Data TOP View General Technical Data Table Technical Data TablePage Roberts-Gordon Warranty is Void ifRoberts Gordon will not PAY for Limitations on Authority RepresentativesPage Owner Warranty Registration Card Page Page Clearances to Combustibles