Roberts Gorden 60, 75, 100, 125, 45, 30 service manual Operation and Maintenance

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SECTION 10: OPERATION AND MAINTENANCE

SECTION 10: OPERATION AND MAINTENANCE

WARNING

Explosion Hazard

Installation, service and annual inspection must be done by a contractor qualified in the installation and service of gas-fired heating equipment or your gas supplier.

Turn off gas and electrical supplies before performing service or maintenance.

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

Read this manual carefully before installation, operation, or service of this equipment. All components are accessed via the door secured by four sheet metal screws. Opening the door exposes live electrical connections and hot components.

10.1 Pre-Start-Up Checks

All pre-start-up checks must be carried out before lighting the heater.

Ensure that the heater and all controls are suitable for the gas, pressure and electrical supply to which they are to be connected.

10.1.1 Louvers

WARNING

Cut Hazard

Turn off gas and electrical supply before maintenance.

Fan can start automatically at any time.

Failure to follow these instructions can result in severe injury or product damage.

Where fitted, the air delivery louvers need to be set during start-up to give the required air distribution (optional vertical louvers).

10.1.2 Electrical Checks

All pre-start-up checks must be carried out before start-up the heater.

1.Check that all site wiring is connected in accordance with the appropriate wiring diagram on Page 26, Section 9.5.

10.1.3 Gas Supply

All aspects of the gas installation including the gas meter must be inspected, tested for gas tightness and purged in accordance with local and national codes.

Ensure that the air is fully purged from the heater inlet pipe up to the main gas valve inlet test nipple.

10.1.4 Mechanical Checks

1.Check that the fan is free to run and delivery louvers are turned to give required air deflection.

2.Check that the flue (and air intake for separated combustion units) is installed in accordance with these instructions and local regulations.

10.2 Begin Start-Up

10.2.1 Before Operating the Heater

To ensure that all the controls are in safe working order, operate the heater for the first time with the isolating gas valve turned off and power supply turned on.

1.Turn off the isolating gas valve.

2.Turn up the thermostat above room temperature. The automatic ignition sequence will now begin as described

on Page 30, Figure 16.

There will be no ignition of the burner and lockout will occur, which proves the controls are operating correctly.

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Contents Blackheat Page Roberts-Gordon LLC Page Table of Figures Page Safety Labels and Their Placement Heater SafetyManpower Requirements UHA 30 45 Label Placement UHA 60 75 Label Placement UHA 100 125 Label Placement National Standards and Applicable Codes Installer ResponsibilityWall Tag Corrosive ChemicalsClearances to Combustibles Minimum Required Installation ClearancesCritical Considerations 3.1 Basic Information Manufactured UnitsVent Gas SupplyElectrical Supply National Standards and Applicable Codes High Altitude Wall Mounting Major Components 5.1 GeneralShelf Mounting and Suspension Suspension Methods Wall Shelf Mounting and Hanging Suspension Vertical Louvers Optional United States Requirements Vent InstallationVenting Changing Vent and Air Intake OrientationHorizontal Venting Standard Vented Heaters Models Uhax 30Separated Combustion Heaters Models Uhaxs 30 Unvented OperationVent Material Vertical VentingLength Requirements Maximum Vent LengthsVent and Roof Detail Standard Vented Heater Common Vertical Vent Termination Concentric Vent Box Vertical Building Ventilation Separated Combustion InstallationUnvented Installation AIR SupplyConnections GAS PipingLow Voltage Thermostat with One Heater WiringPositioning Thermostats Fan ControlLow Voltage Thermostat with Multiple Heaters 30 Low Voltage Thermostat with Multiple Heaters 60 Transformer Internal Wiring DiagramFlame Ladder Wiring DiagramElectrical Connection to the Heater Operation and Maintenance Pressure Regulator Gas Outlet Outlet Pressure Turning Off the Heater Pressure SwitchCheck Gas Rate Instruction to the User Complete Start-UpLighting Instructions 11.4.1 To Turn On Heater User InstructionsUser Instructions Heater OperationTo Turn the Heater Off Simple TroubleshootingSimple Troubleshooting Burner Faults Servicing Vehicles and Other Maintenance ChecklistVenting and Air Intake Pipe Vicinity of the HeaterHeat Exchanger When installed Wall TagCombustion Air Intake PipeTroubleshooting 13.1 General Conduct start-up procedure as shown on Page 29, Section Troubleshooting For Automatic Ignition Burner SystemsTroubleshooting for Flame Supervision System Troubleshooting for Flue Blower Troubleshooting for Gas ValvesBurner Components Replacement PartsBurner Injectors Burner CompartmentIgnition Electrode and Flame Probe Re-used Louver and Louver SpringsFlue Blower Vertical Installation Ignition Control Axial Fan/Guard/Motor AssemblyLimit Switches Removal and Replacement Fan Removal and ReplacementTo Replace the Fan Assembly Model Uhaxs Specifications 15.1 Dimension DataTechnical Data Table All Models General Technical Data Table All ModelsLimitations on Authority Representatives Warranty is Void ifRoberts Gordon will not PAY for Roberts-GordonPage Owner Warranty Registration Card Page Page Some objects can catch fire or explode when placed
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60, 30, 45, 125, 100 specifications

Roberts Gordon is a recognized leader in the manufacturing of innovative heating solutions, with a diverse product line including the 100, 125, 75, 45, and 60 series of radiant tube heaters. Each model is designed to meet specific heating needs while emphasizing efficiency, durability, and performance.

The Robert Gordon 100 series is known for its high efficiency and ability to provide consistent warmth in large industrial spaces. It features advanced infrared technology, which heats objects and surfaces directly, resulting in quicker temperature increases and enhanced comfort. This model is equipped with modulating burners that allow for optimal gas usage and can be easily integrated into existing systems.

The 125 series builds upon the efficiency of the 100 model while offering increased heating capacity. Its robust design ensures it can handle the demands of larger applications, such as warehouses and manufacturing facilities. With enhanced control options, users can tailor the heating output to match specific operational requirements, reducing energy consumption.

The 75 series offers a compact solution for smaller commercial spaces, providing a reliable heating source without taking up excessive floor space. Its lightweight design facilitates easy installation, while the modular approach allows for scalability to meet changing heating demands. This series emphasizes sustainability, utilizing advanced combustion technologies that minimize emissions.

For smaller applications, the 45 series stands out with its efficient heating capabilities in confined spaces. This series features simple, yet effective controls, enabling straightforward operation. The robust construction ensures durability, making it well-suited for different commercial environments, including retail settings or small workshops.

Finally, the 60 series combines the best features of the range with energy conservation as a primary focus. Its innovative design incorporates smart technology to monitor energy usage and optimize performance. The heaters are equipped with the latest in safety features, providing peace of mind for users.

Overall, Roberts Gordon’s radiant tube heaters showcase a commitment to high-quality heating solutions that cater to a variety of industrial and commercial applications. With energy efficiency, superior durability, and advanced heating technologies as core characteristics, Roberts Gordon remains a trusted choice for businesses looking to enhance their heating performance.
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