FLEETWOOD RV CLASS A GAS 2020 OWNER’S MANUAL
5
GLOSSARY OF TERMS
AC Electricity:
Alternating current also known as
household power .
Air Compressor:
Pumps air to and builds air pressure
in an air system .
Air Dryer:
Cools, filters and dries the air delivered by
an air compressor .
Air Governor:
Controls the operation of the air
compressor by constantly monitoring air pressure
in the supply tank of the air system . The air governor
initiates the unload cycle when the cut-out pressure is
reached .
Alternating Current (AC):
A current that oscillates at
a specified frequency typically 60 times a second (60
Hz) in the United States and Canada . Also referred
to as shore power, utility power, inverter power (if
equipped), generator power, or house power .
Ampere (Amp):
The measure of electron flow rate
(current) through a circuit .
Ampere-hour (Amp-hr. AH):
A unit of measure
for a battery electrical storage capacity, obtained
by multiplying the current in amperes by the time in
hours of discharge . Example: A battery which delivers
5 amperes for 20 hours, delivers 5 amperes times 20
hours, or 100 Amp-Hr . of capacity .
ANSI:
American National Standards Institute .
ASTM:
American Society for Testing and Materials .
Black Water:
Term associated with the sewage holding
tank . The toilet drains directly into this tank .
CCA
or
Cold Cranking Amperage:
The amount of
current a battery can deliver for 30 seconds at 0° F
without dropping below a specified voltage, usually
10 .5 Volts DC .
Chassis Battery:
Battery used to power the 12 Volt
accessories and start the engine .
Circuit:
An electric circuit is the path of an electric current .
A closed circuit has a complete path . An open circuit has
a broken or disconnected path .
City Water:
A term associated with the water supply
at campgrounds . It is called city water because water is
pulled from a central source (like in a city) and not the
fresh water tank .
Compressor Load Cycle:
The time during which the air
compressor is building air pressure in an air system .
Compressor Unload Cycle:
The time during which the
air compressor is idling and is not building air pressure
in an air system .
Curbside:
This refers to the side of the motorhome that
faces the curb when it is parked . Often called the door
side or the passenger side .
Current:
The rate of flow of electricity or the movement
rate of electrons along a conductor . It is comparable to the
flow of a stream of water . The unit of measure for current
is the ampere .
Cut-In Pressure:
The pressure level in the air system
supply tank that triggers the compressor load cycle .
Cut-Out Pressure:
The pressure level in the air system
supply tank which triggers the compressor unload
cycle .
Cycle:
A battery discharge and subsequent recharge
equals one cycle .
Desiccant:
A granular substance that has a high affinity
for water and is used to retain moisture from the air
stream flowing through the air dryer cartridge .
DC Electricity:
Direct current also known as battery
power .
Direct Current (DC):
Type of current that travels in one
direction . This type of current can be stored in a battery
bank .
Drain Trap:
This is a curve that is in all drains . Water is
trapped in the curve and this creates a barrier so tank
odors cannot escape through the drain . Also called a
“P-Trap .”
Dry Camping:
Camping in the motorhome when
there is no city water hook-up or shore power . In other
words, using only the water and power that is in the
motorhome and not from another source .
Drying Cycle:
The time during which the air dryer cools,
filters and removes moisture from the air delivered by
the air compressor . The drying cycle begins and ends
the same as the compressor load cycle .
Summary of Contents for Class A Gas 2020
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