Tabla De Contenido - L.B.White Guardian AB250 Manual Del Usuario E Instrucciones

2
Guardian LP or Natural Gas Heater
Heater Specifications ....................................................................................................... 4
General Information ......................................................................................................... 5
Safety Precautions .......................................................................................................... 6
Installation Instructions
General ............................................................................................................................ 9
Air Diverter Installation Instructions ................................................................................. 11
Hanging Installation Instructions ...................................................................................... 11
Sediment Trap Assembly Instructions ............................................................................. 12
Manual Shut-Off Valve, Hose and Regulator Assembly .................................................. 12
Thermostat Installation Instructions ................................................................................. 13
Start-Up Instructions ........................................................................................................ 15
Shut-Down Instructions ................................................................................................... 15
Variable Heat Output Instructions .................................................................................... 16
Cleaning Instructions ....................................................................................................... 17
Maintenance Instructions ................................................................................................. 18
Service Instructions ......................................................................................................... 19
Motor and Fan ................................................................................................................. 19
Air Proving Switch ........................................................................................................... 20
Thermocouple .................................................................................................................. 20
Pilot Light Assembly ........................................................................................................ 21
Burner Orifice and Gas Control Valve ............................................................................. 22
High Limit Switch ............................................................................................................. 23
Gas Pressure Checks ...................................................................................................... 24
Troubleshooting ............................................................................................................... 25
Electrical Connection and Ladder Diagram ..................................................................... 33
Heater Component Function ........................................................................................... 34
Parts Schematic and Parts List ....................................................................................... 36-37
Warranty Policy, Replacement Parts, and Service .......................................................... 38
Standard products are manufactured to operate at optimum efficiency at elevations
between 0 and 2000 ft. above sea level.
If operated at higher elevations the product will not function correctly and may
function in an unsafe nature.
Products providing proper operation for alternate elevations may be available.
If you require a high elevation product, did not specify when ordering, and/or the
box this unit came in does not have an alternate altitude designation sticker please
contact technical support.
Owner's Manual • Guardian
TABLE OF CONTENTS
WARNING