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102808_CAPAC_MANUAL_MODEL_90W12D_SYSTEM.doc
Section I
System Description
Components
The 90W 12D system consists of four (4) major components, the
controller, the anode(s), the reference electrode and the CAPAC
®
Monitor. The
controller consists of an enclosure housing transistor control circuitry used to
establish and maintain the protection of the under water metal. These models of
controllers are available to protect the following metals:
37810-1 Potential control setting set by factory to protect STEEL.
37810-3 Potential control setting set by factory to protect BRONZE.
The anode is mounted on the under water surface of the hull and consists
of a platinum surface disc which emits protective current to the other submerged
metal surfaces. A Capastic epoxy compound is furnished with anodes for use on
metal and wood hulls for application as a dielectric shield around each anode.
Application instructions are printed on Capastic container label.
The reference electrode is also mounted on the underwater surface of the
hull and consists of an insulated silver-silver chloride element, which is used to
indicate the amount of protection on the underwater metal.
The CAPAC
®
Monitor is a panel mounted meter to be used as a monitor
to check the level of cathodic protection on a submerged metallic surface. It is
designed to be attached to the “monitor” terminals of the 90W12D controller.
This accessory is not essential to the operation of the CAPAC
®
system but
serves as a means of checking the operation of the system.
Components – Optional
Dee Cee Tran Voltage Converter
The 90W12D controller requires a power source of 12V DC (negative
ground) in order to operate. If the boat utilizes a different power source such as
a 24 or 32 volt system, this voltage converter is available which will convert this
voltage to 12 V DC.
\
Function
When the system is installed and the hull is afloat, the controller will
deliver current from the 12V DC source in the boat to the anode. This current will
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