Holiday Admiral 2016, Manual

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128
p
rop
ane
s
ystems -7
2016 Admiral
Propane exists in both liquid and vapor
forms inside the tank. Full liquid capacity of
propane in the tank is approximately 80% of
actual liquid tank capacity. The remaining
20% of tank capacity is space for propane in
the form of vapor (gas). The propane capacity
indication on the monitor panel is calibrated
to indicate full when actual liquid level of
propane in the tank is 80% of tank capacity.
Pressure inside the tank varies with the
temperature of the liquid. All propane tanks
are required to have a safety pressure relief
valve to vent excess pressure.
NOTE:
If the tank is new and being filled
for the first time, inform the service
technician to purge any air from the
tank prior to filling. Mixing propane
with non-flammable gas will cause
ignition problems and unreliable
operation of propane appliances.
Tank Operation
Manually open the primary shut-off
‹
valve located on the propane tank when
operating appliances.
Turn off the primary shut-off valve
‹
on the propane tank when the tank is
being filled, during travel and while in
storage.
The primary valve is designed to
‹
be shut off by hand. Do not use a
wrench or pliers as this will over-
tighten the valve. Over-tightening
may permanently damage the valve
seat and not allow the primary valve
to completely shut off the flow of
propane.
CAUTION:
In some States and Canadian
provinces, it may be illegal to drive the
motorhome while primary valve on the
propane tank is open.
pROpANE FUNdAMENTALs
050250d
PROPANE STATISTICS
Pounds Per Gallon 4.24
Specific Gravity of Gas 1.50
Specific Gravity of Liquid .504
Cubic Feet Gas Per Gallon of Liquid 36.38
Cubic Feet Gas Per Pound 8.66
BTUs Per Gallon 91,502
BTUs Per Gallon 21,548
Dew Point in Degrees Fahrenheit -44 ˚ F
Vapor Pressure at 0 ˚ F 31
Vapor Pressure at 70 ˚ F 127
Vapor Pressure at 100 ˚ F 196
Vapor Pressure at 110 ˚ F 230
Flash Point 842 ˚ F
BASIC FACTS ABOUT PROPANE
Propane detectors are a federal requirement
‹
on all propane equipped recreation vehicles.
Propane is a by-product produced by
‹
refining oil.
Odor is added to propane after the refining
‹
process.
Each liquid gallon of propane produces
‹
91,502 BTUs (British Thermal Units).
Temperature affects pressure of propane.
‹
Internal tank pressure can exceed 200 psi.
Tanks or valves contain pressure relief
‹
valves. The relief valve opens at 125%
above tank rating.
Propane stops vaporizing at -44˚ F.
‹
Standard propane operating pressure is
‹
11" of Water Column or approximately 6 ¼
ounces per square inch.
An inch of Water Column is a measurement
‹
of applied pressure to one side of a U-Tube
½ filled with water at sea level. The amount
of pressure required to raise the water level
11", represents 11" of Water Column.
The above capacities allow for 20% vapor space
on each cylinder. Data taken from the National Fire
Prevention Association (NFPA). Pamphlet #58-1998.
#Capacity
Gallon
Capacity
BTU Capacity
5 1.18 107,909
10 2.36 215,807
11 2.59 237,387
20 4.72 431,613
30 7.08 647,420
40 9.43 863,226
CONVERSIONS
Gallons to Liters (1 Gallon = 3.785 Liters)
Fahrenheit to Celsius (Fº - 32 ÷ 1.8 = Cº)
11 in Water Column = 6 1/4 ozs. per sq. in. pressure.
27.7 in. Water Column = 1 lb. per sq. in. pressure.