CONTENTS
2
HOT Manual • Form #96-626 • Revised 2/04
Introduction ................................................................................................................................... 4
Important Safety Information ..................................................................................................... 4, 6
Component Identification ............................................................................................................... 5
Installation ................................................................................................................................. 6-7
Location ................................................................................................................................. 6-7
Electrical ................................................................................................................................... 7
Placement ................................................................................................................................. 7
Water Source ............................................................................................................................ 7
Connection ................................................................................................................................ 7
Venting ...................................................................................................................................... 7
Starting and Operating Instructions ............................................................................................... 7
How To Use the Detergent Injector ................................................................................................. 8
Preventative Maintenance ............................................................................................................. 9
Maintenance and Service ......................................................................................................... 9-11
Unloader Valves ........................................................................................................................ 9
Winterizing Procedure ............................................................................................................... 9
High Limit Hot Water Thermostat ............................................................................................... 9
Pumps ...................................................................................................................................... 9
Cleaning of Coils ....................................................................................................................... 9
Deliming Coils ........................................................................................................................... 9
Rupture Disk ........................................................................................................................... 10
Electrode Setting ..................................................................................................................... 10
Fuel ......................................................................................................................................... 10
Ignition Circuit ......................................................................................................................... 10
Transformer Check .................................................................................................................. 10
Burner Nozzle ......................................................................................................................... 10
Fuel Control System ............................................................................................................... 10
Fuel Pressure Adjustment ....................................................................................................... 10
Air Adjustment ........................................................................................................................ 11
Removal of Soot and Heating Coil ........................................................................................... 11
Coil Reinstallation ................................................................................................................... 11
Electrical Control Panel ............................................................................................................... 12
Electrical Control Panel Parts List ............................................................................................... 13
Chassis Assembly, Exploded View ............................................................................................. 14
Chassis Assembly, Parts List ..................................................................................................... 15
Combustion Assembly, Exploded View ........................................................................................ 16
Combustion Assembly, Parts List ............................................................................................... 17
Pump Assembly, Exploded View (3-30035D) ............................................................................... 18