Roberts Gorden 350, 200, 150, 400, 250, 300, 225, 175 service manual Troubleshooting 13.1 General

Page 33

SECTION 13: TROUBLESHOOTING

SECTION 13: TROUBLESHOOTING 13.1 General

WARNING

Explosion Hazard

Installation must be done by a registered installer/ contractor qualified in the installation and service of gas-fired heating equipment or your gas supplier.

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

Start

Are gas & electrical

supplies on?

Yes

Does axial fan run

immediately upon supplying

power to heater?

No

Is ignition control showing a

"2 flashes" led code?

No

Does the combustion

fan run?

Yes

With external controls (i.e. thermostat) on, does the burner continue through the heating cycle?

Yes

Heater Operating

TROUBLESHOOT ENDS.

No

Yes

Yes

No

No

No

Turn on supplies.

Wait 10-15 minutes for limit switch to cool. Does fan Yes

stop running?

No

Replace temperature

limit switch.

Burner has locked out due

to ignition failure. Use

Troubleshooting for Automatic

Ignition Burner Systems section to test burner.

Use Troubleshooting for

Combustion Fan section to

test fan.

Has burner “Locked Out”? No

Yes

Use Troubleshooting for Automatic Ignition Burner Systems section to test burner.

If problems persist, contact

Roberts-Gordon, LLC at

www.rg-inc.com

Fan and limit switch are

operating normally.

The limit switch has

 

 

tripped. See Manual Reset

No

Replace limit switch.

Limit Switch Figure.

 

 

Yes

Ensure proper air flow clearance for axial fan. Open louvers slightly.

Replace axial fan if it does

not operate.

27

Image 33
Contents Combat Page Roberts-Gordon, LLC Page Table of Figures Page Manpower Requirements Heater SafetyWall Tag Installer ResponsibilityCorrosive Chemicals National Standards and Applicable CodesSeparated Combustion Installation Minimum Required Installation ClearancesCritical Considerations 3.1 Basic Information Clearances to CombustiblesInstallation Clearances and Clearances to Combustibles National Standards and Applicable Codes Suspension Major Components 5.1 GeneralVenting 6.1 Venting Vent InstallationUnited States Requirements Canadian RequirementsUnvented Operation Separated Combustion Heaters Models Uhas 150Horizontal Venting Vertical VentingVent and Roof Detail Vent MaterialStandard Vented Heater Common Vertical Vent Termination Concentric Vent Box Horizontal AIR Supply Unvented InstallationBuilding Ventilation Outside Combustion Air SupplyConnections GAS PipingPositioning Thermostats WiringFan Control Low Voltage Thermostat with One HeaterTransformer Uhas Series Internal Wiring DiagramUhas Series Ladder Wiring Diagram Electrical Connection to the Heater Louvers Operation and MaintenanceElectrical Checks Mechanical ChecksAutomatic Burner Control Sequence Check Gas Rate Pressure SwitchTurning Off the Heater Complete the Start-UpSimple Troubleshooting Burner Faults Simple TroubleshootingHeater Operation To Turn the Heater OffUser Instructions 12.3 Fan/Motor Assembly Maintenance Burner MaintenanceHeat Exchanger Maintenance Gas Valve MaintenanceInstallation Code and Annual Inspections All Maintenance ChecklistVicinity of the Heater Vehicles and OtherBurner Observation When installedWindow Combustion Fan ScrollTroubleshooting 13.1 General Result in death or electrical shock Troubleshooting For Automatic Ignition Burner SystemsStart Troubleshooting for Flame Supervision SystemTroubleshooting for Gas Valves Troubleshooting for Combustion FanConduct start-up procedure as shown on Page 19, Section Burner Components Replacement PartsBurner Injectors Burner CompartmentDescription Part Number Qty Ignition Electrode and Flame ProbeCombustion Fan Vertical Installation Uhas Limit Switches Removal and Replacement Axial Fan/Guard/Motor AssemblyFan Removal and Replacement To Replace the Fan AssemblyStandard Models 150 400 Uhas Series Dimension Data SpecificationsTechnical Data Table All Models General Technical Data Table All ModelsROBERTS-GORDON will PAY for Warranty is Void ifROBERTS-GORDON will not PAY for Limitations on Authority RepresentativesPage Page Some objects can catch fire or explode when placed
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175, 225, 300, 250, 400 specifications

Roberts Gorden is a recognized leader in the field of heating solutions, particularly renowned for the development of its innovative radiant heating systems. The lineup of models including the Roberts Gorden 250, 300, 400, 150, and 225 features a blend of advanced technology, exceptional efficiency, and versatile applications that cater to various industrial and commercial needs.

At the core of Roberts Gorden products is their radiant heating technology. Unlike conventional heating systems that warm the air, radiant heaters emit infrared radiation, which directly heats objects and people within a space. This method not only provides a comfortable environment but also reduces energy consumption and minimizes the loss of heat, making it an environmentally friendly choice.

The Roberts Gorden 250 model is specifically designed for smaller spaces, offering compact efficiency without sacrificing power. It features an adjustable output, allowing for tailored heating based on specific requirements. The advanced burner technology ensures optimum combustion efficiency, translating to cost savings on fuel consumption.

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The Roberts Gorden 400 is a powerhouse in the lineup, engineered for larger spaces that demand high-performance heating. Its robust construction and powerful output provide effective warmth even in challenging environments. The unit is equipped with sophisticated controls that promote energy efficiency while maintaining optimum comfort levels.

In the mid-range spectrum, the Roberts Gorden 150 and 225 models cater to businesses needing versatile heating solutions. Both models are designed with user-friendly interfaces and include safety features that comply with industry standards. Their lightweight design allows for easy installation and mobility, making them suitable for temporary or permanent heating applications.

Overall, Roberts Gorden's commitment to innovation and efficiency is evident across its product range. With a focus on sustainability and advanced heating technologies, the Roberts Gorden 250, 300, 400, 150, and 225 models provide reliable heating solutions that meet the diverse preferences of industrial and commercial users. These products are not just about warmth; they are about creating a comfortable and productive environment while minimizing energy costs and environmental impact.