15
Systems
TYPICAL GALVANIC ISOLATOR
A galvanic isolator
located in the sump
is connected in se-
ries with the A.C.
grounding “green”
wire. The purpose
of the galvanic iso-
lator is to isolate the
yacht’s grounding
system from the
shorepower ground.
The galvanic isola-
tor permits A.C.
voltage to travel
back to the green
ground wire at the marina dockside center in the event a
short exists in the boat.
Also, the isolator blocks any D.C. current from traveling
on the green “ground” wire. This assists in eliminating
the possibility of galvanic interaction from other boats in
the vicinity.
The green ground or “bonding” wire runs from the yacht’s
shore power inlet to the galvanic isolator. From the out-
put of the galvanic isolator it runs to the A.C. ground
buss located in the ship’s main A.C. panel.
Since the galvanic isolator is not polarized either termi-
nal can be used for the inlet or outlet side for the green
grounding wire.
There is a fan located inside the galvanic isolator. If you
hear the fan running the isolator has failed. Disconnect
the shore power from the vessel and check the system.
Call your closest Regal yacht dealer for more informa-
tion.
CHECK CONNECTIONS FOR TIGHTNESS
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