Aqua-Hot AHE-100-02S-12 VDC Owner's Manual download pdf (Page 5)

Aqua-Hot™ Motor Coach Heating System Owner's Manual 09/03

Comfort

Control

NOTE: Both the Diesel-Burner and the Electric Heating Element are

thermostatically controlled. Either, or both, heating sources will

automatically maintain the temperature of the Aqua-Hot's water and

antifreeze solution between approximately 160-190 (+/- 5) degrees

Fahrenheit. So to heat your motorhome / domestic hot water, simply

choose the desired heat source(s) and leave the switch(s) (i.e. Diesel

and/or Electric) ON.

2.2 Zone Thermostat(s) Operation

Interior Room Thermostats

Simply adjust each Interior Room Thermostat to the desired temperature.

Then whenever an Interior Room Thermostat “calls-for-heat”, the Aqua-

Hot’s Circulation Pump(s) and Interior Heat Exchanger Fans will be

activated. These devices together will supply warmth and comfort to each

interior heating zone. Please contact your specific motorhome

manufacturer for the exact location of the Interior Room Thermostat(s).

Fresh Water Tank Thermostat

Simply adjust the Thermostat (i.e. Bay Heating) to approximately 40

degrees Fahrenheit. This will prevent freezing of the domestic water

storage system.

Please contact your specific motorhome manufacturer

for the exact location of the Fresh Water Tank Thermostat.

Page 3

2.3 Using the Domestic Hot Water System

When the Aqua-Hot is at operating temperature, the domestic water is

automatically heated as it is being used. Because the Aqua-Hot does not

store any hot water, simply open any hot water faucet and a continuous

supply of domestic hot water will be present within a few seconds. This

hot water feature is

continuous and is accomplished by the Aqua-Hot’s

Domestic Hot Water Heating System. Please note that the Diesel

switch must be ON to get an unlimited supply of hot water (i.e. during

showers).

2.4 Using the Engine Preheat System

When the Aqua-Hot is at operating temperature, and the Diesel-Burner

and/or the 120 VAC Electric Heating Element switch(s) is ON, follow

these simple instructions:

A. Turn the Aqua-Hot's Engine Preheat switch ON, reference Figure 2.

This procedure will activate the Engine Preheat Circulation Pump and

circulate the engine's coolant through the Engine Preheat System.

This feature will adequately warm the engine for easy start-ups on

cool mornings.

NOTE: Allow approximately 1 to 2 hours of engine preheating run

time. Preheat duration will be shortest when the Diesel switch is ON.

Hot Water

Engine

Preheat

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Aqua-Hot AHE-100-02S-12 VDC Owner's Manual Page 5

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