Roberts Gorden 100, 75, 125, 45, 30, 60 Check Gas Rate, Pressure Switch, Turning Off the Heater

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SECTION 10: OPERATION AND MAINTENANCE

Figure 18: Gas Valve for Models UHA[X][S] 60 - 125

END VIEW

TOP VIEW

Regulator

½PSI C

IN

OFF

Gas Inlet

ON

Outlet

Pressure

Inlet Pressure

Description

 

Part Number

Gas Valve 60

- 125 NG

90032505

Gas Valve 60

- 125 LP

90032506

10.2.2Start-Up the Gas Valve (All Gases) 10.2.2.1 Check Burner Gas Pressure

1. Remove the plug in the outlet (burner) pressure test point and connect a pressure tap and a manometer.

2.With the burner firing, measure the pressure on the manometer. To adjust the burner pressure, remove the regulator cover from the valve and turn the regulator adjustment screw to set the required burner pressure as stated in the Technical Data Tables for the correct gas and model on Page 50, Section 15.3.

IMPORTANT: If the correct burner pressure cannot be reached, then check the inlet pressure to the valve with the burner firing. See Technical Data Tables on Page 50, Section 15.3 for inlet pressure requirement.

Do not continue to adjust the regulator if the pressure is not changing.

If the inlet pressure is too low to allow correct burner

pressure setting, then the gas inlet pressure must be corrected before completing the start-up.

Check Gas Rate

1.After burner pressure adjustment, allow the heater to operate for at least 15 minutes and then re-check settings. Adjust pressure setting if necessary.

2.Check gas flow rate at gas meter.

3.Turn off heater and electrical supply.

4.Remove the manometer and refit all covers to the valve and tighten the screw of the outlet pressure tap.

10.2.3 Pressure Switch

The pressure switch is factory pre-set for each model and is not adjustable.

10.2.4 Turning Off the Heater

Set the thermostat to the "OFF" position or lowest setting and the main burner will stop.

The fan will continue to run for 90 seconds.

Do not use a disconnect switch for control of heater. Disconnect switch will turn off the fan.

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Contents Blackheat Page Roberts-Gordon LLC Page Table of Figures Page Manpower Requirements Heater SafetySafety Labels and Their Placement UHA 30 45 Label Placement UHA 60 75 Label Placement UHA 100 125 Label Placement Wall Tag Installer ResponsibilityCorrosive Chemicals National Standards and Applicable CodesCritical Considerations 3.1 Basic Information Minimum Required Installation ClearancesManufactured Units Clearances to CombustiblesElectrical Supply Gas SupplyVent National Standards and Applicable Codes High Altitude Shelf Mounting and Suspension Major Components 5.1 GeneralWall Mounting Suspension Methods Wall Shelf Mounting and Hanging Suspension Vertical Louvers Optional Venting Vent InstallationChanging Vent and Air Intake Orientation United States RequirementsSeparated Combustion Heaters Models Uhaxs 30 Standard Vented Heaters Models Uhax 30Unvented Operation Horizontal VentingLength Requirements Vertical VentingMaximum Vent Lengths Vent MaterialVent and Roof Detail Standard Vented Heater Common Vertical Vent Termination Concentric Vent Box Vertical Unvented Installation Separated Combustion InstallationAIR Supply Building VentilationConnections GAS PipingPositioning Thermostats WiringFan Control Low Voltage Thermostat with One HeaterLow 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 Check Gas Rate Pressure SwitchTurning Off the Heater Instruction to the User Complete Start-UpUser Instructions User InstructionsHeater Operation Lighting Instructions 11.4.1 To Turn On HeaterSimple Troubleshooting Burner Faults Simple TroubleshootingTo Turn the Heater Off Servicing Venting and Air Intake Pipe Maintenance ChecklistVicinity of the Heater Vehicles and OtherCombustion Air Intake When installed Wall TagPipe Heat ExchangerTroubleshooting 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 AssemblyTo Replace the Fan Assembly Fan Removal and ReplacementLimit Switches Removal and Replacement Model Uhaxs Specifications 15.1 Dimension DataTechnical Data Table All Models General Technical Data Table All ModelsRoberts Gordon will not PAY for Warranty is Void ifRoberts-Gordon Limitations on Authority RepresentativesPage 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.