Roberts Gorden 150, 200 Heat Exchanger, Gas Line and Shut-off, Valves Burner Observation, Window

Page 42

UHA STANDARD UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL

Heat Exchanger

Make sure there are no cracks.

 

See Page 19, Section 9.

 

Make sure there is no sagging, bending or distortion.

 

Clean or replace as required.

 

 

Gas Line and Shut-off

Check for gas leaks. See Page 19, Section 9.

Valves

 

 

 

Burner Observation

Make sure it is clean and free of cracks or holes.

Window

Clean and replace as required.

 

 

 

Flue Blower Scroll, Wheel

Compressed air or a vacuum cleaner may be used to clean dust and dirt.

and Motor

 

 

 

Inshot Burners and

Clear of obstructions (even spider webs will cause problems).

Orifices

Carefully remove any dust and debris from the burner.

 

 

 

Direct-Spark Igniter

Replace if there are cracked ceramics, excessive carbon residue, or erosion

 

of the electrode.

 

The electrode gap should be 1/8" (3.2 mm).

 

 

Thermostat

There should be no exposed wire or damage to the device or wiring.

 

See Page 21, Section 10.

 

 

Suspension Points

Make sure the heater is hanging securely.

 

Look for signs of wear on the suspension materials or ceiling.

 

See Page 10, Figure 5.

 

 

Silicone Tubing

Ensure tight, secure fit on all pressure fittings at pressure switch,

 

burner partition, and blower outlet.

 

 

Gas Valve

Verify that cap covering pressure regulator adjustment screw is secure and

 

has not been tampered with.

 

Verify all wiring connections.

 

 

Condensate Drain

Flush drain and clear any obstructions.

(when installed)

 

 

 

Wall Tag

If a wall tag is present, make sure it is legible and accurate. Please contact

 

Roberts-Gordon LLC or your ROBERTS GORDON® independent distributor if

 

you need a wall tag. See Page 5, Section 2.1.

 

 

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Contents Combat Page Gamme standard Page Roberts-Gordon LLC Page Table of Figures Page Safety Labels and Their Placement Heater SafetyManpower Requirements California PropositionUHAXS150 175 Label Placement UHAXS200 250 Label Placement UHAXS300 400 Label Placement Installer Responsibility Wall TagNational Standards and Applicable Codes Manufactured Units Minimum Required Installation ClearancesCritical Considerations 3.1 Basic Information VentilationInstallation Clearances and Clearances to Combustibles Clearances To CombustiblesNational Standards and Applicable Codes High Altitude Heater Installation 6.1 General Suspension MethodsUnited States Requirements Vent InstallationVenting Canadian RequirementsVertical Venting Standard Vented Heaters Models Uhax 150Horizontal Venting Length RequirementsMaximum Vent Lengths Table Vent MaterialReplacing an Existing Heater in a Venting System Model Standard Vented Heater Common Vertical Vent Termination Concentric Vent Box Vertical Building Ventilation Unvented InstallationAIR Supply Outside Combustion Air SupplyGAS Piping ConnectionsDo not bend flexible gas connector Positioning Thermostats WiringLow Voltage Thermostat with One Heater Fan ControlLow Voltage Thermostat with Multiple Heaters Models UHAXS150 Low Voltage Thermostat with Multiple Heaters Models UHAXS300 Uhaxs Series Internal Wiring Diagram TransformerUhaxs Series Ladder Wiring Diagram FlameElectrical Connection to the Heater Louvers Operation and MaintenanceElectrical Checks Mechanical ChecksBegin Start-Up Before Operating the Heater Automatic Burner Control SequencePressure Switch Check Gas RateTurning Off the Heater External Controls Complete the Start-UpInstruction to the User User Instructions Servicing Annual Fall Start-Up Maintenance ChecklistVenting and Air Intake Pipe Vicinity of the HeaterGas Line and Shut-off When installed Wall TagHeat Exchanger Valves Burner ObservationTroubleshooting General Troubleshooting For Automatic Ignition Burner Systems Conduct start-up procedure as shown on Page 27, SectionTroubleshooting for Flame Supervision System StartTroubleshooting for Gas Valves Troubleshooting for Flue BlowerReplacement Parts Burner ComponentsBurner Compartment Burner InjectorsIgnition Electrode and Flame Probe Louvers and Louver Spring Horizontal Louvers LouversUhaxs Axial Fan/Guard/Motor Assembly Ignition ControlTo Replace the Fan Assembly Specifications 16.1 Dimension Data General Technical Data Table Technical Data TableROBERTS-GORDON LLC will not PAY for Warranty is Void ifROBERTS-GORDON LLC will PAY for Limitations on Authority RepresentativesPage Owner Warranty Registration Card Mail or Fax toPage
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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.

Moving on to the Roberts Gorden 300, this unit is well-suited for medium-sized facilities. With enhanced capabilities, the 300 model offers improved heating distribution, making it ideal for warehouses and production floors. The ease of installation and maintenance further enhances its appeal, allowing businesses to focus on their operations rather than on complicated heating systems.

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.
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