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© 2008 Aqua-Hot
®
450-DE/DM Hydronic Heating System Installation Manual
Domestic
Cold Water
Inlet
Back of unit
Domestic Hot
Water Outlet
Engine
Preheat
Outlet (to
engine)
Engine
Preheat
Inlet
(from
engine)
Engine
Preheat
Circulation
Pump
Aqua-Hot Hydronic Heating System
Zone 1
Circulation
Pump
Zone 2
Circulation
Pump
Wiring Harness Port
Diesel-Burner
Drain Valve
AC Wiring
Port
Interlock Switch
Diesel-Burner
Controller
Figure 4
Figure 5
Product
I.D. Label
Summary of Contents for 450-DE Series
Page 1: ...Installation Manual 2008 Aqua Hot Heating Systems Inc...
Page 43: ...Appendix B Appendix B Wire Gauge Information...
Page 45: ...Appendix C Appendix C Electronic Controller Features...
Page 48: ...Appendix D Appendix D Antifreeze Types...
Page 50: ...Appendix E Appendix E Antifreeze Mixture Water Quality Recommendations...
Page 52: ...Appendix F Appendix F Antifreeze Terms and Mixture Ratio...