Roberts Gorden UHD[X][S][R] 125 Maintenance Checklist, Vicinity of the Heater, Vehicles and Other

Page 35

SECTION 12: SERVICING

12.7 Maintenance Checklist

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.

Installation Code and Annual Inspections: All installations and service of ROBERTS GORDON® equipment must be performed by a contractor qualified in the installation and service equipment sold and supplied by Roberts-Gordon and conform to all requirements set forth in the ROBERTS GORDON® manuals and all applicable governmental authorities pertaining to the installation, service and operation of the equipment.

To help facilitate optimum performance and safety, Roberts-Gordon recommends that a qualified contractor annually inspect your ROBERTS GORDON® equipment and perform service where necessary, using only replacement parts sold and supplied by Roberts-Gordon.

The Vicinity of the Heater

Do not store or use flammable objects, liquids or vapors near the heater.

 

Immediately remove these items if they are present.

 

See Page 3, Section 3.

 

 

Vehicles and Other

Maintain the clearances to combustibles.

Objects

Do not hang anything from, or place anything on, the heater.

 

 

Make sure nothing is lodged in between the heat exchanger tubes.

 

Immediately remove objects in violation of the clearances to combustibles.

 

See Page 3, Section 3.

 

 

Vent Pipe/Terminals

Venting must be intact. Using a flashlight, look for obstructions, cracks on the

 

pipe, gaps in the sealed areas or corrosion.

 

The area must be free of dirt and dust.

 

Remove any carbon deposits or scale using a wire brush.

 

If the vent terminal has a screen built in, remove any dirt, dust or deposits

 

from the screen.

 

See Page 17, Section 7.

 

 

Combustion Air Intake

Intake pipe and inlet must be intact. Look for obstructions, cracks on the pipe,

Pipe

gaps in the sealed areas or corrosion.

 

The area must be free of dirt and dust.

 

Clean and reinstall as required.

 

 

Heat Exchanger

Make sure there are no cracks.

 

Make sure there is no sagging, bending or distortion.

 

Clean or replace as required.

 

See Page 18, Section 8.

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Contents Combat Page Roberts-Gordon LLC Page Table of Figures Page Manpower Requirements Heater SafetyWall Tag Installer ResponsibilityCorrosive Chemicals National Standards and Applicable CodesClearances to Combustibles Minimum Required Installation ClearancesCritical Considerations 3.1 Basic Information Manufactured UnitsVent VentilationElectrical Supply Gas SupplyNational Standards and Applicable Codes High Altitude Minimum Inlet Duct Length Duct Heater Installation 5.1 GeneralTemperature Rise and Pressure Drop Ranges Air Flow and Temperature Rise RangesWall Mounting Shelf Mounting and SuspensionShelf-Mounting Methods United States Requirements Vent InstallationVenting Changing Vent and Air Intake OrientationHorizontal Venting Standard Vented Heaters Models Uhdxr 75Separated Combustion Heaters Models Uhdxsr 75 Unvented OperationReplacing an Existing Heater in a Venting System Maximum Vent LengthsVent Material Vent and Roof Detail Standard Vented Heater Common Vertical Vent Termination Concentric Vent Box UHVK1 Building Ventilation Separated Combustion InstallationUnvented Installation AIR SupplyConnections GAS PipingPositioning Thermostats WiringLow Voltage Thermostat with One Heater L2 L1 Internal Wiring DiagramFlue Blower Transformer GAS Valve Flame Sensor Electrode Ladder Wiring DiagramElectrical Connection to the Heater Electrical Checks Operation and MaintenanceBegin Start-Up Before Operating the Heater Pre-Start-Up ChecksEND View External Controls Pressure SwitchCheck Gas Rate Turning Off the HeaterLighting Instructions 11.4.1 To Turn On Heater User InstructionsUser Instructions Heater OperationTo Turn Heater Off Simple TroubleshootingSimple Troubleshooting Burner Faults Servicing Objects Maintenance ChecklistVicinity of the Heater Vehicles and OtherBurner Observation When installed DuctworkGas Line and Shut-off ValvesTroubleshooting 13.1 General Conduct start-up procedure as shown on Page 23, 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 Top, remove the blower and mounting plate as above Flue Blower Vertical InstallationIgnition Control Limit Switches Removal and ReplacementTOP View Specifications 15.1 Dimension DataTechnical Data Table General Technical Data TablePage Limitations on Authority Representatives Warranty is Void ifRoberts Gordon will not PAY for Roberts-GordonPage Owner Warranty Registration Card Page Page Clearances to Combustibles