Airxcel Aqua-Hot 600 Series, Installation Manual

Page: 2 / 63

Introduction
©Aqua-Hot® 600D Installation Manual p. 1
Caution Notes
As you read this information, take particular note of the NOTICE,
CAUTION, WARNING and DANGER symbols when they appear.
This information is important for safe and effi cient use of the
Aqua-Hot system.
NOTICE signals a situation where potential damage to the
Aqua-Hot could occur.
CAUTION signals a situation where potential harm or risk
of minor or moderate injury could occur if you do not follow
instructions.
WARNING signals a hazardous situation where potential harm,
risk of serious injury, or death could result if instructions are
not followed.
DANGER signals a situation where immediate risk of serious
injury or death will result if instructions are not followed.
NOTE: This manual will also use notes sections similar to
this one to draw attention to features and practices which
should be observed.
Contents
Caution Notes ...............................................................................1
Introduction ..................................................................................2
System Features ..........................................................................4
Component Cut-Aways .................................................................5
Installing the Aqua-Hot ................................................................7
Support & Clearances ..................................................................8
Installation of the Expansion Tank ..............................................9
Exhaust System ..........................................................................10
Installing the Heat Exchangers ................................................ 13
Mounting the Heat Exchangers .................................................15
Wiring the Heat Exchangers ......................................................16
Plumbing the Heating Loop .......................................................17
Heat Exchangers Layout ............................................................19
Engine Preheat .......................................................................... 20
Diesel Fuel System .................................................................... 22
Domestic Water System Requirements ................................... 25
Plumbing the Domestic Water System .................................... 26
Thermostats ...............................................................................27
Interior Switch Panel ................................................................. 28
Wiring the Aqua-Hot .................................................................. 30
Aqua-Hot Reporter..................................................................... 33
Reporter Manual Mode ..............................................................37
Connecting the 600D to 12V DC Power .................................. 38
Connecting the 600D to AC Power ........................................... 39
Filling the Aqua-Hot ................................................................... 40
Purging the Interior Heating Loop .............................................41
First Operation ........................................................................... 42
Winterizing ................................................................................. 43
Operational Flow Chart ............................................................. 44
Wire Sizing ................................................................................. 45
Appendix A: System Schematics .............................................. 46
Appendix B: Antifreeze .............................................................. 52
Appendix C: Parts & Accessories ............................................. 55
Warranty .....................................................................................61