Jayco Hummingbird Towables 2019, Owner'S Manual

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Section 7: Fuel & Propane System
99
If you have double cylinders on your recreation vehicle, use only one at a time. Otherwise,
the propane supply will be drawn equally from both cylinders until the supply has been total-
ly exhausted. Using one cylinder until it is empty, then using the second cylinder will allow
you to fill the empty cylinder at your convenience without running totally out of propane.
Cooking With Propane Gas
Unlike homes, the amount of oxygen supply
is limited due to the size of the recreation ve-
hicle. Proper ventilation when using the cooking
appliance(s) will help you avoid the danger of
asphyxiation.
It is especially important that cooking appli-
ances not be used for comfort heating, as the
danger of asphyxiation is greater when the
appliance is used for long periods of time.
FAILURE TO COMPLY MAY RESULT IN
DEATH OR SERIOUS INJURY.
These warning labels are lo-
cated in the cooking area to
remind the user to provide an
adequate supply of fresh air
for combustion.
Calculating Propane Gas Usage
Most RV gas appliances are operated intermittently, and each has a different BTU rating.
You will need to consider this when planning your propane supply and consumption. Un-
less there is heavy use of hot water, the water heater consumption of propane is minimal.
During cool temperature or high wind conditions, furnace consumption can be extremely
high.
To calculate your propane supply, take the BTU ratings for your propane appliances and
divide that into the BTU availability. Each gallon of propane gas (3.785 liters) produces
about 91,500 BTU’s (96,528 kilojoules) of heat energy.
Propane consumption chart
The following chart provides average propane consumption information.

Do not turn gas range burner controls to ON and allow gas to escape
before lighting.

Do not use portable fuel burning equipment (i.e., wood and charcoal
grills or stoves) inside the recreation vehicle.

Ensure a supply of fresh air (Canada units only)
Cooking / Comfort Heating Label
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