Aqua-Hot 450 D Owner's Manual
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Aqua-Hot 450 D Owner's Manual

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450 D
OWNERS MANUAL
© 2011 Aqua-Hot Heating Systems Inc.

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Summary of Contents for Aqua-Hot 450 D

  • Page 1 450 D OWNERS MANUAL © 2011 Aqua-Hot Heating Systems Inc.
  • Page 2 — Page 2 — ® © 2011 Aqua-Hot 450-D Hydronic Heating System Owner’s Manual...
  • Page 3 Comfort Zone #1: Comfortable Cabin Heat. Get heat where you want it, when you want it! Because the Aqua-Hot system heats by zones, your bed- room, living room, and bathroom can be custom temperatures. And don’t hesitate to crank up the heat, because the Aqua-Hot system doesn’t remove moisture from the air.
  • Page 4 Aqua-Hot System. Failure to disconnect the wires from the Aqua-Hot System before using a welder or a plasma cutter on the coach may cause dam- age to the Aqua-Hot.

  • Page 5: Table Of Contents

    ABLE OF ONTENTS Introduction Introduction to the Aqua-Hot Hydronic Heating System ..........Page 6 Operating Instructions Activating the Aqua-Hot Heating System ..............Page 9 Zone Thermostat Operation ..................Page 10 Using the Domestic Water Heating System ..............Page 10 Aqua-Hot Operational Flow Chart ................. Page 11 Maintenance Monthly Maintenance ....................
  • Page 6 NTRODUCTION The Aqua-Hot Heating System is a Low Emissions Hy- DA N G E R ! dronic Heating System (heating with hot water) that sig- nificantly improves your level of comfort, is good for the NDICATES THAT PERSONAL INJURY IS LIKELY OR...
  • Page 7 Figure 2 Engine Preheat Inlet (From Engine) Engine Preheat Circulation Pump Domestic Cold Water Intlet Engine Preheat Outlet Domestic Hot (To Engine) Water Outlet Back of Unit — Page 7 — ® © 2011 Aqua-Hot 450-D Hydronic Heating System Owner’s Manual...
  • Page 8 2 Outlet Port Wire Harness Heating Zone & Harness 1 Outlet Port Port AC Junction Figure 4 Interlock Switch Zone 2 Circulation Zone 1 Circulation Pump Pump — Page 8 — ® © 2011 Aqua-Hot 450-D Hydronic Heating System Owner’s Manual...

  • Page 9: Operating Instructions

    DO NOT operate the Diesel-Burner and/or Electric Heat- Electric Heating Element: ing Element without the antifreeze and water heating so- lution in the Aqua-Hot’s Boiler Tank. Failure to do so will Turn the Electric switch ON; reference Figure 5. This pro- cause serious damage to the Heater.

  • Page 10: Zone Thermostat Operation

    Fresh Water Tank Thermostat. Using the Domestic Water Heating System When the Aqua-Hot is at operating temperature, the do- mestic water is automatically heated as it is being used. Because the Aqua-Hot does not store any hot water,...

  • Page 11: Aqua-Hot Operational Flow Chart

    PERATING NSTRUCTIONS Aqua-Hot Operational Flow- chart Heat source is selected from the Interior Switch Panel. Diesel-Burner is activated Electric Heating Element is by the Burner switch. activated by the Electric switch. The Boiler Tank heats the antifreeze and water heat- ing solution to 190*F.

  • Page 12: Maintenance

    S HEATING SYSTEM IS ACCESSED SCALDING BY HOT VAPOR OR COOLANT COULD RESULT EFORE CLEAN- To keep the Aqua-Hot running smoothly, it is ideal to ING OR SERVICING DISCONNECT ALL POWER SUPPLIES have the Diesel-Burner tuned-up annually. A tune-up should consist of a new Fuel Nozzle and Fuel-Filter; ref- erence Figure 9.

  • Page 13: Winterization

    NOTE: The Aqua-Hot can continue to be used for interior De-Winterizing the Domestic Water Heating System: zone heating once the domestic water heating system has been drained and winterized.

  • Page 14: Troubleshooting

    12 Volt-DC voltage level is too quate supply of antifreeze and water heating solution low for the Aqua-Hot to operate properly. This fault must be by checking the level at the expansion tank. If the...
  • Page 15 (i.e., short) in the main 12 Volt-DC power supply Electric Heating Element Status Indicator Light circuitry. 2. The Aqua-Hot is off due to a combination of high This indicator light will illuminate GREEN whenever the electrical 12 Volt-DC power loads and a high surface Aqua-Hot’s electric heating element is operating and pro-...

  • Page 16: Appendix A: Antifreeze Types

    NTIFREEZE YPES The following information addresses the necessary us- never be used in the Aqua-Hot’s Hydronic Heating Sys- age of a propylene glycol based “boiler” type antifreeze tem. This type of antifreeze is not formulated to transfer in the Aqua-Hot. Propylene glycol is a safer alternative heat, which is essential to the heating system’s function-...
  • Page 17 Boiling Point: Summary: The Aqua-Hot utilizes the propylene glycol based (PPG) Antifreeze solution has three basic functions: freeze antifreeze and water heating solution as a transportation protection, boil-over protection, and anti-corrosion and means for the heat produced from the internal proc- rust protection.

  • Page 18: Appendix D: Measuring Propylene Glycol Using A Refractometer

    D: M PPENDIX EASURING ROPYLENE LYCOL SING A EFRACTOMETER Calibrate the Refractometer Aqua-Hot Part Number MSX-907-162 Figure 1 Calibration Screw Eyepiece Daylight Plate Assembly Main Prism Assembly — Page 18 — ® © 2011 Aqua-Hot 450-D Hydronic Heating System Owner’s Manual...
  • Page 19 Using the Refractometer to Test Antifreeze Sample WA R N I N G ! Use extreme caution in gathering your antifreeze sample. When draining the Aqua-Hot heating system. extremely hot liquid may be in the Boiler Tank and could cause personal injury.
  • Page 20 OWNER’S SERVICE LOG Date Service Performed Service Center — Page 20 — ® © 2011 Aqua-Hot 450-D Hydronic Heating System Owner’s Manual...
  • Page 21 OWNER’S SERVICE LOG (Continued) Date Service Performed Service Center — Page 21 — ® © 2011 Aqua-Hot 450-D Hydronic Heating System Owner’s Manual...
  • Page 22 This area provided for notes. — Page 22 — ® © 2011 Aqua-Hot 450-D Hydronic Heating System Owner’s Manual...

  • Page 23: Limited Warranty Statement

    HYDRONIC HEATING SYSTEM AHE-450-D Aqua-Hot Heating Systems Inc. warrants the Aqua-Hot Heater to be free from defects in ma- terial and workmanship under normal use and service for a period of two years on both parts and labor commencing upon the original date of registration of the vehicle. Replacement parts are warranted for the remainder of the Heater’s standard warranty coverage or for six...
  • Page 24 15549 East Highway 52 | Fort Lupton, CO 80621 800-685-4298 | Fax: 303-857-9000 | www.aquahot.com LTE-907-601...

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