— Page 33 —
© 2008 Aqua-Hot
®
375-D Hydronic Heating System Installation Manual Rev. A
section 10: Purging the systems
Figure 46
Figure 47
Circulation Pump #1
or #2
Blue (negative) wire
Spade Terminal
disconnected from the
opposing wire
Alligator Clip to be
connected to the Blue
Wire’s Spade Terminal
Opposite end of the
Alligator Cable to be
connected to a ground
source
Red (positive) wire
(will not be disconnected
for the purging
procedure)
Zone 1
Circulation
Pump
Zone 2
Circulation
Pump
Please note that the Diesel-Burn-
er has been removed in this im-
age to better illustrate the location
of the circulation pumps.
Summary of Contents for 375D
Page 1: ...2008 Aqua Hot Heating Systems Inc Installation Manual...
Page 38: ...Wiring Diagram Appendix A...
Page 40: ...Wire Gauge Information Appendix B...
Page 42: ...Antifreeze Types Appendix C...
Page 44: ...Antifreeze Mixture Water Quality Recommendations Appendix D...
Page 46: ...Antifreeze Terms and Mixture Ratio Appendix E...