10•312
Cut-In Pressure - The pressure level in the air system supply tank which triggers the compressor load cycle.
Cut-Out Pressure - The pressure level in the air system supply tank which triggers the compressor unload
cycle.
Cycle - In a battery, one discharge plus one recharge equals one cycle.
DC Electricity - Direct current also known as battery power.
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.
Direct Current (DC) - Power that is stored in a battery bank or supplied by photovoltaic, alternator, chargers
and DC generators.
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 anything 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.
Dump Station - Sites where you can drain your waste (gray) and sewage (black) tanks. In most states it is
illegal to drain your tanks anywhere except at dump stations.
Dump Valve - Another name for the T-handle valve used to drain the sewage (black) and waste (gray tanks).
Egress Window - The formal name for the emergency window located in the rear of the motorhome. Egress
windows can be easily identified by their red handles.
Full Hook-Up Site - A campground that has city water, shore power and sewer hook-ups or connections avail-
able.
Gray 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 12V lights and accessories inside motorhome.
LED - (Light Emitting Diode) Indicator light.
Low Point - The lowest point in the plumbing. Drains are placed here so that water will drain out of the lower
end of the motorhome. These drains must be closed when you fill the water tank.
OHM - A unit for measuring electrical resistances.
Glossary
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
WINDSOR