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Introduction
System Overview
The Aqua-Hot 125GN is a Hydronic Heating System that can
provide heat and hot water on demand using a built-in electric
heating element and an external gas burner.
The Aqua-Hot Heating is a 2-in-1 System
1. Interior heating system: provides quiet, comfortable interior
heat and even temperatures.
2. Tank-less hot water system: provides a flow of comfortable
hot water.
The Aqua-Hot heating system heats an ethylene glycol
based antifreeze and distilled water solution that is stored in
the Aqua-Hot's boiler tank. This fluid solution must be up to
operating temperature before the Aqua-Hot will provide interior
heat or hot water. The tank-less hot water system produces
approximately 0.8 GPM of hot water.
To get the Aqua-Hot to temperature, turn the electric heating
element and/or the external gas burner to the "ON" position
on the Aqua-Hot LCD screen (shown below), or on the RV
control panel. It may take up to 20 minutes to get to operating
temperature before heat or hot water are available.
For continuous hot water or heat in colder conditions, it is
recommended to utilize the external gas burner. The electric
heating element will provide heat only in mild conditions and
provide light duty hot water needs.
Should additional assistance be needed, please contact the
Technical Support at 574-AIR-XCEL (574-247-9235), Monday
through Friday, between 7:00am and 4:00pm MST.
p. 6
©Aqua-Hot®
125-GN1 Installation Manual REV 220427
Important Notes:
•
A qualified installer or service technician must perform
equipment installation or service. Contact Aqua-Hot for
Factory Authorized Service Centers or Certified Technicians
located near you at www.aquahot.com/service-help, or call
us at 574-AIR-XCEL (574-247-9235).
•
Warranty work must be performed by an Aqua-Hot
Authorized Service Center.
•
Your on-product identity label contains the specifications of
your unit. Factory settings may be adjusted by the vehicle
manufacturer, confirm final setting with your dealer.
•
This heating system has been certified for installation only
in recreational vehicles, not certified for use in boats.
•
The Aqua-Hot heating system operates independently of
the vehicle engine and is connected directly to the electrical
system of the vehicle. The gas burner is only connected
directly to the fuel system and the battery of the vehicle.
•
Please read this manual and follow instructions to avoid
injuries during installation and/or operation.
Heat Priority Option:
The Aqua-Hot comes equipped with the three-way valve
(sometimes known as the summer/winter valve). This controls
the flow of the antifreeze and water heating solution within
the Aqua-Hot to deliver either hot water or interior as priority.
Tapping on this element will change the valve's orientation.
When this element displays "INT. HEAT", this valve is oriented
to provide interior heat by circulating the heating solution
throughout the interior heating zone. When the element says
"HOT WATER", the valve is oriented so that the heating solution
is routed to prioritize hot water.
NOTE: This product label is attached to the side of the
Aqua-Hot, and provides a ready reference to specifications,
test standards, and important safety notices.
©Aqua-Hot®
125-GN1 Installation Manual REV 220427
System Features
Figure 1
System Specifications
Electric Element
Power Consumption ......................................1500 W (maximum)
Voltage ..............................................................................110V AC
DC Power
Power Consumption .......................................... 57 W (maximum)
Zone Heat Circulation
Pumps ...........................................................................................1
Power Consumption (max) ............................................20W/1.7A
Voltage ............................................................................... 12V DC
Interior Heating
Maximum Heating Zones .............................................................3
Cozy ....................................................... 6W/0.5A - 8,000 BTU/hr
Whisper ............................................4.5W/0.37A - 4,000 BTU/hr
H.E. II ................................................... 3W/0.25A - 4,000 BTU/hr
NOTE: Control Panel "Quiet Mode" reduces heat exchanger
power consumption by 20%
Domestic Water Heating
Maximum ......................................................................... 0.8 GPM
Physical Specifications
Dimensions (US)..............................17.66"L x 7.50"W x 11.50"H
Dry Weight ............................................................................45lbs.
Wet Weight ............................................................................59lbs.
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.
p. 7
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