ACP
Volvo Penta ACP (Active Corrosion Protection) pro-
tects against galvanic corrosion by controlling an elec-
tric current that is monitored by the EVC.
It is preferable to connect the boat to shore supply, if
such is available. If shore power is unavailable, ACP
utilizes the batteries, as it is connected to the boat's 12
V/24 V system. If the batteries begin to discharge, the
ACP switches from primary to secondary protection.
The IPS is then protected by the consumption of a
sacrificial zinc anode installed in the ACP unit on the
transom.
When the primary protection is in use, a small quantity
of chlorine gas is produced by the ACP; if desired it can
be switched off temporarily. The ACP then switches
over to secondary protection.
The ACP reverts automatically to normal mode after 4
hours; earlier reversion can be arranged in the settings
menu (see below) or when ignition is switched on.
Boats equipped with ACP have a zinc anode integrated
into the ACP unit; see illustration.
When ACP is used, the regular anode protection must
not be installed on the transom.
NOTICE!
The anode (iron) in the exhaust pipe must
remain.
P0008993
Arrangement and Planning, Electrochemical Corrosion
47704162 10-2014 © AB VOLVO PENTA
47
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