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102808_CAPAC_MANUAL_MODEL_90W12D_SYSTEM.doc
INTRODUCTION
You now have the finest system for the elimination of corrosion
on under water metal parts. CAPAC
®
, the electrical system which
stops the corrosive attack on metal is designed and built with the boat
owner in mind. The system is permanent and fully automatic with
nothing to be used up or wear out. The system achieves optimum
protection by continuously adjusting the current supplied from its
anode(s) under the varying water conditions encountered, just as on
the systems which protect giant ocean going ships. The through-hull
anodes and reference electrode are streamlined to minimize any
power consuming drag or turbulence. The controller is rugged and
built of corrosion resistant materials for long trouble-free operation.
The corrosion of metals is an electrolyte (water, either fresh or
salt) is an electrochemical reaction. This means that the corrosion or
rusting of the metal is dependent upon, and inseparable from, the
flow of electricity. Where corrosion exists, the metal is at a slightly
higher electric potential than the adjacent metal, which is not
corroding. This is due to differences in composition, stresses,
impurities in the metal itself, differences in the temperature and
salinity of water or rate of flow of the water. It is the nature of this
type of corrosion that if a flow of electric current is forced into all
underwater metal areas, corrosion will be stopped. Your CAPAC
®
system does this using platinum surfaces anodes, which do not
deteriorate when current is released from them. The current flowing
from these anodes travels through the water to enter all grounded
areas of the submerged hull. The reference electrode is sensitive to
the effect of protection achieved by the metal and supplies an electric
signal to the controller, which automatically insures that the optimum
current flows from the anode. This is done by solid-state circuitry
specifically designed for this purpose.
Your CAPAC
®
system is on continuous duty all the time your
boat is in the water, silently prevent corrosion. Familiarize yourself
with its operation and relax, secure in the knowledge that corrosion is
being-stopped.
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