Roberts Gorden 350, 200, 150, 400, 250, 300, 225, 175 service manual Combat

Page 1

FOR YOUR SAFETY

If you smell gas:

1.Open windows.

2.DO NOT try to light any appliance.

3.DO NOT use electrical switches.

4.DO NOT use any telephone in your building.

5.Extinguish any open flame.

6.Leave the building.

7.Immediately call your local gas supplier after leaving the building. Follow the gas supplier’s instructions.

8.If you cannot reach your gas supplier, call the Fire Department.

WARNING

Fire Hazard

Keep all flammable objects, liquids and vapors the minimum required clear- ances to combustibles away from heater.

Some objects will catch fire or explode when placed close to heater.

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

Combat®

UHA-Series

Tubular Unit Heaters

(Standard Range)

Installation, Operation

& Service Manual

Models UHA[X][S] 150, 175, 200, 225 250, 300, 350, 400

WARNING

Improper installation, adjustment, alteration, service or maintenance can result in death, injury or property damage. Read the Installation, Operation and Service Manual thoroughly before installing or servicing this equipment.

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

Installer

Please take the time to read and understand these instructions prior to any installation.

Installer must give a copy of this manual to the owner.

Owner

Keep this manual in a safe place in order to provide

your serviceman with necessary information.

Roberts-Gordon LLC

1250 William Street

P.O. Box 44

Buffalo, New York 14240-0044

Telephone: +1.716.852.4400

Fax: +1.716.852.0854

Toll Free: 800.828.7450

www.robertsgordon.com

www.rg-inc.com

© 2012 Roberts-Gordon LLC

P/N 111101NA 09/12 Rev. F

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Contents Combat Page Gamme standard Page Roberts-Gordon LLC Page Table of Figures Page Manpower Requirements Heater SafetySafety Labels and Their Placement California PropositionUHAXS150 175 Label Placement UHAXS200 250 Label Placement UHAXS300 400 Label Placement Wall Tag Installer ResponsibilityNational Standards and Applicable Codes Critical Considerations 3.1 Basic Information Minimum Required Installation ClearancesManufactured Units VentilationClearances To Combustibles Installation Clearances and Clearances to CombustiblesNational Standards and Applicable Codes High Altitude Suspension Methods Heater Installation 6.1 GeneralVenting Vent InstallationUnited States Requirements Canadian RequirementsHorizontal Venting Standard Vented Heaters Models Uhax 150Vertical Venting Length RequirementsVent Material Maximum Vent Lengths TableReplacing an Existing Heater in a Venting System Model Standard Vented Heater Common Vertical Vent Termination Concentric Vent Box Vertical AIR Supply Unvented InstallationBuilding Ventilation Outside Combustion Air SupplyConnections GAS PipingDo not bend flexible gas connector Low Voltage Thermostat with One Heater WiringPositioning Thermostats Fan ControlLow Voltage Thermostat with Multiple Heaters Models UHAXS150 Low Voltage Thermostat with Multiple Heaters Models UHAXS300 Transformer Uhaxs Series Internal Wiring DiagramFlame Uhaxs Series Ladder Wiring DiagramElectrical Connection to the Heater Electrical Checks Operation and MaintenanceLouvers Mechanical ChecksAutomatic Burner Control Sequence Begin Start-Up Before Operating the HeaterCheck Gas Rate Pressure SwitchTurning Off the Heater Complete the Start-Up External ControlsInstruction to the User User Instructions Servicing Venting and Air Intake Pipe Maintenance ChecklistAnnual Fall Start-Up Vicinity of the HeaterHeat Exchanger When installed Wall TagGas Line and Shut-off Valves Burner ObservationTroubleshooting General Conduct start-up procedure as shown on Page 27, Section Troubleshooting For Automatic Ignition Burner SystemsStart Troubleshooting for Flame Supervision SystemTroubleshooting for Flue Blower Troubleshooting for Gas ValvesBurner Components Replacement PartsBurner Injectors Burner CompartmentIgnition Electrode and Flame Probe Horizontal Louvers Louvers Louvers and Louver SpringUhaxs Ignition Control Axial Fan/Guard/Motor AssemblyTo Replace the Fan Assembly Specifications 16.1 Dimension Data Technical Data Table General Technical Data TableROBERTS-GORDON LLC will PAY for Warranty is Void ifROBERTS-GORDON LLC will not PAY for Limitations on Authority RepresentativesPage Mail or Fax to Owner Warranty Registration CardPage
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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.