GENERAL INFORMATION — 1
6
20 08 CONTESSA
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.
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, lters and removes moisture
from the air delivered by the air compressor.
The drying cycle begins and ends the same
as the compressor load cycle.
Dump Station - A site where the waste
(grey) and sewage (black) tanks can be
drained. In most states it is illegal to drain
waste tanks anywhere other than at a dump
station.
Dump Valve - Another name for the
T-handle valve used to drain the sewage
(black) and waste (grey) tanks.
Escape (Egress) Window - The formal
name for the emergency window located in
the rear of the motorhome. Egress windows
can be easily identied by their red handles.
Full Hook-Up Site - A campground that has
city water, shore power and sewer hook-ups
or connections available.
Grey Water - Term associated with the
waste water holding tank. Water from the
sink drains, the shower and the washer-dryer
(if equipped) go into this tank.
House Battery - Powers 12 Volt DC lights
and accessories inside motorhome.
LED (Light Emitting Diode) - Indicator
light.
Liquid Lead Acid Battery - A type of
battery that uses liquid as an electrolyte.
This type of battery requires periodic
maintenance such as cleaning the
connections and checking the electrolyte
level.
Low Point Drain - The lowest point in
the plumbing. Drains are placed here so
water will drain out of the lower end of the
motorhome. These drains must be closed
when you ll the water tank.
OEM - Term for Original Equipment
Manufacturer.
OHM - A unit for measuring electrical
resistances.
Ohm’s Law - Expresses the relationship
between Volt (E), amperes (I) in an electrical
circuit with resistance (R). It can be
expressed as follows: E = IR. If any two of
the three values are known, the third value
can be calculated by using the above formula.
Potentiometer - A device for measuring
an unknown potential difference or
electromotive force.
Pounds Per Square Inch Gauge (psig) -
Pressure measured with respect to that of the
atmosphere. This is a pressure gauge reading
in which the gauge is adjusted to read zero
at the surrounding atmospheric pressure. It
is commonly called gauge pressure.
Purge - The initial blast of air
(decompression) from the air dryer purge
valve at the beginning of the air compressor.
Purge Cycle - The time during which the air
dryer is undergoing purge and regeneration.
This cycle starts at the beginning of the
compressor unload cycle and normally ends
well before the beginning of the compressor
load cycle.
Regeneration - The mild backow of air
through the air dryer and out the purge valve
that begins immediately after the purge
and lasts normally 10 to 15 seconds. This
backow of air, from the air system and
through the air dryer, removes moisture from
the desiccant cartridge and prepares the air
dryer for the next compressor load cycle.
Roadside - This refers to the side of the
motorhome which faces the road when it is
parked. Often called the off-door side or the
driver side.
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