Oval 80 v.2 and Sentinel v.2 Radiant Tube Heaterswww.lbwhite.comOwner’s Manual • Oval 80 v.2 and Sentinel v.22TABLE OF CONTENTSHeater Specifications......................................................................................................4General Information ........................................................................................................5Safe Clearance From Combustibles...............................................................................5Temperature Sensor Location ........................................................................................5Safety Precautions .........................................................................................................6Inlet Air Requirements ....................................................................................................9General Installation Instructions ...................................................................................10Initial Set-Up .................................................................................................................12Hanging the Tubes .......................................................................................................12Installing Reflectors & Supports ...................................................................................14Air Turbulation Strips & Vent.........................................................................................15Sediment Trap Assembly ..............................................................................................15Manual Shut Off Valve, Hose & Regulator Assembly ...................................................15Heater Controls ............................................................................................................16Connecting Series Tap Thermostat ..............................................................................16Start-Up Instructions .....................................................................................................16Shut-Down Instructions ................................................................................................17Cleaning Instructions ....................................................................................................17Maintenance Instructions..............................................................................................18General Service Instructions ........................................................................................18Igniter .................................................................................................................19Motor and Fan ....................................................................................................20Air Differential Pressure, Tubing & Pressure Orifices ........................................20Air Differential Pressure Switch..........................................................................21Gas Control Valve ..............................................................................................22Transformer ........................................................................................................22Ignition Control ...................................................................................................23Gas Pressure Checks ........................................................................................23Troubleshooting Information .........................................................................................25Electrical Connection and Ladder Diagram ..................................................................29Heater Component Function ........................................................................................30Service Parts IdentificationService Parts Identification Schematic - Tube/Reflector ....................................32Tube/Reflector Parts List ....................................................................................33Service Parts Identification Schematic - Burner Box..........................................34Burner Box Parts List .........................................................................................35Warranty Policy.............................................................................................................36Replacement Parts and Service ...................................................................................36WARNINGStandard products are manufactured to operate at optimum efficiency atelevations between 0 and 2000 ft. above sea level.If operated at higher elevations the product will not function correctly and mayfunction in an unsafe nature. Products providing proper operation for alternateelevations may be available.If you require a high elevation product, did not specify when ordering, and/orthe box this unit came in does not have an alternate altitude designationsticker please contact technical support.