Component Cut-Aways
System Features
©Aqua-Hot®
400D Installation Manual
Rev 220504
©Aqua-Hot®
400D Installation Manual
Rev 220504
p. 5
p. 4
System Specifications
Diesel Burner
Heat Input (Firing Rate) ....................................... 56,000 BTU/hr
Fuel Consumption .......................................................0.40 gal/hr
Electric Element
Power Consumption ......................................1650 W (maximum)
Voltage ..............................................................................120V AC
DC Power
Consumption ....................................................174 W (maximum)
Zone Heat Circulation
Pumps ...........................................................................................2
Power Consumption (max) .........................................21 W (each)
Voltage ............................................................................... 12V DC
Heating Zones
Maximum ......................................................................................5
Domestic Water Heating
Maximum .................................................. 1.25 GPM On-demand
Physical Specifications
Dimensions (US)..................................12” H x 18.5” W x 29.5” L
Dry Weight ......................................................................... 127lbs.
Wet Weight ......................................................................... 185lbs.
All vehicle installations must comply with the requirements listed in
the Recreational Vehicle Industry Association’s (RVIA) ANSI/NFPA
1192 Handbook for Recreational Vehicle Standards. To receive a
copy of this handbook and other Pertinent RVIA Standards, write to:
Recreation Vehicle Industry Association, 1896 Preston White Drive,
PO Box 2999, Reston, VA 22090-0999. Call them at (703) 620-
6003 or visit online at www.rvia.org.
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Figure 5
Figure 3
Figure 6
Figure 2
NOTE:
This product label is attached to the top of the Aqua-
Hot, and provides a ready reference to specifications, test
standards, and important safety notices.
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NOTE:
The top panel has been made transparent in the
view above to aid in the explanation of the heater. DO NOT
remove the top panel. Doing so risks irreparable damage to
the Aqua-Hot. Only remove the service panels.
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Figure 4
1. Drain Valve
2. Zone 1 Circulation Pump
3. Zone 2 Circulation Pump
4. Diesel Burner Controller
5. Combustion Air Sleeve
6. Diesel Burner
7. Diesel Fuel Lines
8. Interlock Switch
9. VAC Access Panel
10. AC Terminal Block
11. AC Terminal Port
12. Heating Zone 1 Outlet
13. Heating Zone 2 Outlet
14. Wiring Harness Port
15. Aqua-Hot Reporter
16. Electric Element
17. Aqua-Hot Boiler Tank
18. Domestic Water Coil
19. Tempering Valve
20. Domestic Hot Water
Outlet
21. Domestic Cold Water
Inlet
Figure 1
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