PowerGuard
PRO
User & Installation Guide Rev A Page 9
CPU Wiring
Figure 3 PowerGuard PRO General Wiring Schematic
Caution! Ensure that the correct polarity is observed for CPU and Contactor wiring.
Failure to observe correct polarity of Contactor wiring will result in incorrect operation of the system
and may cause serious damage.
Serious damage to the PowerGuard
PRO
will occur if the wires to the Contactor coils are incorrectly
connected or short-circuited.
Contactor Rating
Contactors are rated for charging systems of up to 200A Continuously. They will also handle
intermittent cranking current of engines up to 725A.
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