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Journey in Comfort Thank you for equipping your RV, coach, or caravan with an Aqua-Hot hydronic heating system! We deeply value your business and we are grateful for the trust you have placed with Aqua-Hot Heating Systems, LLC. Our customers are our top priority and we are committed to providing best-in-class products, service, and support.
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Journey in Comfort Comfort Zone #1: Comfortable Cabin Heat. Get heat where you want it, when you want it. This Aqua-Hot system puts heat where you need it. Therefore, your interior temperatures will be just right. Don’t hesitate to crank up the heat because the Aqua-Hot system doesn’t remove moisture from the air.
Introduction Contents Caution Notes Caution Notes ............3 As you read this information, take particular note of the NOTICE, CAUTION, WARNING, and DANGER symbols when they appear. Safety Features ............4 This information is important for safe and effi cient use of the Component Locations ..........6 Aqua-Hot system.
Safety Instructions Read all instructions before using the Aqua-Hot unit. Aqua-Hot Heating Systems is not liable for damage resulting from failing to follow instructions contained in this, and any other Aqua-Hot documentation relevant to this unit. • Read this user manual before using the Aqua-Hot System If the information in this manual is not followed to reduce the risk of injury to persons or damage to the exactly, a fi...
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• The mixture may be modifi ed to provide the most adequate To safely and properly operate the Aqua-Hot 200 Series freezing, boiling, and rust/anti-corrosive protection. A heater, please make sure that the fl uid level is up to 50/50 mixture of Propylene Glycol and distilled water has the “COLD”...
Component Callouts 1. Access Cover Screw 2. Drain Valve 3. 3-Way Valve 4. Diesel Burner Controller 5. Tempering Valve 6. Diesel Burner Assembly Interlock Switch 8. Domestic Cold Water Inlet 9. Domestic Hot Water Outlet 10. 120V AC Connection 11. Diesel Fuel Return Port NOTE: The side and top panels in the view below have been 12.
Aqua-Hot System Features System Features The Aqua-Hot 250 Diesel Series is a Low-Emissions Hydronic Heating System that signifi cantly improves your level of comfort, decreases harmful emissions released into the atmosphere, and adds thousands of dollars in value to your coach. The Aqua-Hot Heating System is a 2-in-1 system 1.
Activating the Aqua-Hot Operational Overview Operational Overview Switches: The Aqua-Hot heating system is controlled by one or two The heating features are powered by a 12V DC diesel burner switches: the burner switch and/or the electric element switch. and a 120V AC electric heating element. These maintain the When one or both switches are in the ON position, it will supply temperature of the Aqua-Hot’s antifreeze and water heating the necessary heat to the boiler tank.
Activating the Aqua-Hot Operational Flow Chart Operational Flow Chart A heat source is selected from Interior Switch Panel Diesel Burner Electric Element Electric Heating Element The burner will begin will activate, providing providing heat to the heat to the antifreeze and antifreeze and water heating water heating solution solution present within the...
Maintenance Maintenance Schedule Annual Maintenance Monthly Maintenance Diesel To keep the diesel burner running smoothly, a tune-up or Check the Aqua-Hot’s antifreeze and water heating solution annual service should be performed on the unit. An annual to ensure that it is at the proper level. This can be accomplished service consists of a new fuel nozzle and fuel fi...
Winterization Winterizing the Aqua-Hot The Aqua-Hot’s domestic water heating system must be completely drained of domestic water at any time the heater is stored where freezing temperatures may be experienced. Not winterizing the Aqua-Hot when freezing temperatures are present will result in serious damage to the Aqua-Hot NOTE: The Aqua-Hot can continue to be used for interior heat domestic water heating system.
General Troubleshooting Use and Operation General Troubleshooting Fill Cap Should the Aqua-Hot Hydronic Heating System fail to operate, Upper Fitting complete the following checks: 1. Verify that the Aqua-Hot’s access cover is securely installed. Hot Fluid Line The Aqua-Hot will not operate if the access cover is not fully installed.
Use and Operation Antifreeze Types Antifreeze Types concentrated propylene glycol for the Aqua-Hot’s antifreeze and water heating solution. The following information addresses the necessary usage Please note that this is only necessary when mixing of a propylene glycol based “boiler” type antifreeze in the concentrated propylene glycol antifreeze with water;...
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Use and Operation Antifreeze the brand of propylene glycol antifreeze employed. Therefore, as water is an excellent heat conductor, it is added to the mixture. Propylene glycol antifreeze solution, mixed with distilled water, at a ratio of 35% to 50% is Rust and Anti-Corrosive Inhibitors recommended to provide the best performance combination of the aforementioned functions.
Measuring Antifreeze Appendix Measuring Antifreeze Using a Refractometer Calibration Screw Prism Assembly Daylight Plate Assembly Eye Piece Properly Apply Antifreeze to the Prism Assembly Use the guide below to properly apply the propylene glycol mixture to the prism assembly of the refractometer. Once that is complete, peer through the eyeglass of the refractometer to continue to the next step.
Warranty 2-YEAR LIMITED WARRANTY AQUA-HOT® HYDRONIC HEATING SYSTEM Aqua-Hot Heating Systems Inc. warrants the Aqua-Hot Heater to be free from defects in material 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 months, whichever is greater.
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