42C System Operations - 13
CARBON MONOXIDE (CO)
DETECTOR SYSTEM
Carbon Monoxide Gas (CO) is color-
less, odorless, and tasteless. It is high-
ly poisonous, endangering lives even
at very low levels of concentration. Mild
exposure causes headaches and fa-
tigue, often resembling “fl u-like” symp-
toms. Medium exposure causes severe
headaches, drowsiness, nausea, and
rapid heart rate. Extreme exposure re-
sults in unconsciousness, convulsions,
cardiorespiratory failure, and death. If
Carbon Monoxide Gas (CO) is detected
in your yacht, immediately contact a
qualifi ed technician to locate and repair
the source of the poisonous gas. DO
NOT enter your yacht until repairs have
been made and the Carbon Monoxide
Gas (CO) is lowered to an acceptable
level. Refer to the Carbon Monoxide
Safety pages in the Boating Safety sec-
tion of this Owner’s Manual.
Your 42C is equipped with three (3)
SAFE-T-ALERT Carbon Monoxide Gas
(CO) detector monitors, which are located
within the interior as follows:
• Forward Stateroom
• Salon
• Mid Stateroom
Each CO monitor is operated by DC
electrical power and they are connected
directly to the batteries. It is not necessary
for the battery switch to be turned ON for
them to operate. The fuses for the moni-
tors are located behind the AC/DC Panel.
Operation of the CO monitors requires a
ten (10) minute warm-up period, during
which time, the sensor element is cleaned
and the unit is stabilized. During this ten
(10) minute warm-up period, the GREEN
indicator light will fl ash ON and OFF. The
GREEN indicator light will remain ON after
the completion of the warm-up period until
the presence of Carbon Monoxide Gas
is detected. If the GREEN indicator light
does not illuminate, check all wiring con-
nections and clean and tighten, if neces-
sary. If the GREEN indicator light still fails
to illuminate, contact your Silverton Dealer
for inspection and replacement. DO NOT
attempt to make any repairs to the unit(s)
yourself.
When Carbon Monoxide Gas is detected
by the CO monitor, the following visual
and audible signals will appear:
Low CO Warning
YELLOW fl
ashing indicator light accom
YELLOW fl ashing indicator light accom-
panied by a “BEEP” sound every fi ve (5)
minutes. The YELLOW indicator light will
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