Electric Heat Element
The electric element works well if plugged into 50 amp service. If the
motorhome is plugged into less than 50 amp service, exercise care so the elec-
tric service provided will not be overloaded. Electric operation recovery rate is
slower than the diesel burner. When the switch is turned on a relay will send
power from the 110 Volt AC panel to the electric element in the Aqua-Hot.
Allow two to three hours for the Aqua-Hot to reach operating temperature
when operating from the electric element.
Engine Heat Exchange System
The Aqua-Hot antifreeze solution is plumbed with the engine cooling sys-
tem. This mixing feature allows the Aqua-Hot to heat the antifreeze and circu-
late the solution by a pump through the engine. The engine preheat feature
provides easy engine starting on cool mornings. When traveling, the heated
engine coolant may be pumped through the Aqua-Hot system. This will pro-
vide hot water and heat the interior using the exchangers.
Engine Preheat
Turn the diesel switch to the ON position. The diesel burner will light.
Turn the Engine Preheat to the ON position. This activates the engine pump
circulating coolant from the Aqua-Hot through the engine.
Interior Heat Exchangers
The heat exchangers are small radiators with 12 Volt DC blower motors.
Current consumption is approximately .25 watt per large heat exchanger. The
small heat exchanger used in the private bath and for the holding tank bay is
.10 watt.
One of the following thermostats is used in your motorhome.
Using the Living Room Comfort Control Thermostat:
• Select either diesel burner or electric element operation.
• Turn living room comfort control to ON.
• Depress mode button repeatedly until furnace is displayed.
• Select desired temperature setting using the up or down but-
tons.
Using the Bedroom Comfort Control Thermostat:
• Turn the bedroom comfort control to ON.
• Depress mode button repeatedly until furnace is displayed.
• Depressing the FAN and MODE button simultaneously will
alternate between Zones One and Two. Zone One controls
hallway and bathroom exchangers. Zone two operates bed-
room exchanger.
Appliances
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WINDSOR
4•117
Operation
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