Aqua-Hot 375-LP, Installation Manual

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Section 8: Exhaust System
Exhaust System Requirements ............................................................................................................ 35
Installing the Exhaust System ............................................................................................................. 35
Section 9: Power Source Wiring
Connecting the 12 Volt-DC Power .................................................................................................... 39
Connecting the 120 Volt-AC Power .................................................................................................. 39
Installing the Wires into the Terminal Blocks .................................................................................. 39
Section 10: Purging the Systems
Purging the Hydronic Heating System ............................................................................................... 41
Purging the System by Grounding the Zone Thermostat Connection ......................................... 42
Purging the Domestic Water System.................................................................................................. 43
Purging the Propane System ................................................................................................................ 44
Section 11: Initial Start-Up
Operating Safety Instructions .............................................................................................................. 45
Activating the Aqua-Hot ...................................................................................................................... 46
Appendices:
Appendix A: Wiring Diagram ............................................................................................................. 47
Appendix B: Wire Gauge Information .............................................................................................. 48
Appendix C: Antifreeze Types ............................................................................................................ 49
Appendix D: Antifreeze Mixture Water Quality Recommendations ............................................ 49
Appendix E: Antifreeze Terms and Mixture Ratio .......................................................................... 50
Appendix F: Measuring Propylene Glycol Using a Refractometer .............................................. 52
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