Specifications
3
INDEX
General Information ..................................................................................................................... 2
Specications & Ratings .............................................................................................................. 2
Installation Guidelines ................................................................................................................. 4
Installation Checklist .................................................................................................................... 7
Service Information ...................................................................................................................... 8
TPI Control Diagrams (#1-3) ....................................................................................................... 10
Installation Piping Figures (#1 & 2) .............................................................................................. 12
Top Mount Coil Details & Tightening Sequence (Figure #3) ........................................................ 13
Circulator & Burner Control Wiring Diagrams .............................................................................. 14
Zone Valve Wiring Diagrams ....................................................................................................... 15
Switching Relay Wiring Diagrams ............................................................................................... 16
Repair Parts.................................................................................................................................. 18
How to Obtain Service Assistance ............................................................................................... 19
Warranty ...................................................................................................................................... Back Cover
To fully understand the purchaser’s responsibilities for
installing the water heater, please read the warranty.
U.S. Boiler Company, Inc., – P.O. Box 3020 – Lancaster, PA 17604
www.usboiler.net