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IF THE ALARM SOUNDS, PROVIDE VENTILATION BY OPENING WINDOWS AND DOORS. THE CO BUILD-UP
MAY DISSIPATE BEFORE HELP ARRIVES, BUT MAY BE ONLY TEMPORARILY SOLVED. IT IS CRUCIAL THAT
THE SOURCE OF THE CO IS DETERMINED AND REPAIRED.
THE CO ALARM CAN ONLY WARN YOU IN THE PRESENCE OF CO. IT DOES NOT PREVENT CO FROM
OCCURRING NOR CAN IT SOLVE AN EXISTING CO PROBLEM.
CARBON MONOXIDE CAN BE FATAL! WHEN THE DEVICE DETECTS CARBON MONOXIDE IN THE AIR IT WILL
SOUND. CONSULT THE INDIVIDUAL DETECTOR’S USER MANUAL FOR SPECIFIC INSTRUCTIONS AND/OR
AUDIBLE WARNING MEANINGS.
Chapter 5: Electrical System
The electrical system in recreational vehicles is a combination 12 Volt DC (Direct Current) and 120 Volt
AC (Alternating Current) system. Every facet of the electrical system is carefully engineered and installed
to comply with the National Fire Protection Association Standard 1192 and the “National Electric Code.”
To understand this system, simply put, the 12 Volt system is what an automobile uses and the 120 Volt
system is what most households use.
12 Volt System - DC
The 12 Volt system can be powered in three different ways: a separate RV battery, the converter
changing 120V AC to 12V DC or by the tow vehicle’s 12 Volt system. The water pump, most lights, power
vents, and other appliances are powered by the 12 Volt system.
The heart of the 12 Volt system is the battery. Batteries are essentially storage devices for electrical
energy. Most batteries used in RVs are RV/Marine Deep Cycle, Lead- Acid types. These batteries contain
lead plates and liquid sulfuric acid electrolytes in sections called cells.
Electrolytes are lost whenever a battery discharges energy or is recharged. The level of the electrolyte
must stay above the plate in each cell. Many premature battery failures occur because the electrolyte
level was not maintained. For maintenance and storage information see the Care and Maintenance
Section.