
SHORE
POWER
TRANSFER
SWITCH
CONNECTIONS
DESCRIPTION
If the installer connects shore power to the vessel's AC cir-
cuit, this must be done by means
of
the SHORE POWER
OFF SHIPS
GEN. Set the transfer switch shown in the dia-
grams to the
OFF position. This switch prevents simultane-
ous connection
of
shore power to generator output.
A
CAUTION:
Damage
to
the
generator
can
result
if
utility
shore
power
and
generator
output
are
connected
at
the
same
time.
This
type
of
generator
damage
is
not
covered
under
the
warranty;
it
is
the
installer's
respon-
sibility
to
make
sure
all
AC
connections
are
correct.
~
1
N
L1
L2
• I
t =
I
'-------,
I
I /
....
--,,
L-----{{D
~~
I +--
~-----~
I
I ,
__
./
I
I
I
I
---,
I
I
I
I
I
I
I
I
Ll
L_
..
L21
I
Neutral
,
iii~!
,
__
...
./
N J
JShip's
Load
j
GrOund
It•
't
~
NOTE:
Diagram
shows
connection~
for
two-
~
wire,
120-voltsystem.
For
three-wire
Shore
Power
system
use
dotted
lines
for
the
other
hot
leg.
120/240-60HZ
Hertz
Three
Wire
Configuration
Note the repositioning of the white ground lead
on
the tenni-
nal block to the generator case.
A
CAUTION:
Heavy
motor
leads
should
be
shut
off
before
switching
shore
power
to
generator
power
or
vice-versa
because
voltage
surges
induced
by
switch·
ing
with
heavy
AC
loads
on
the
vessel
being
operated
may
cause
damage
to
the
exciter circuit
components
in
·
the
generator.
-=;,.
0
z
:I
0
a:
Cl
GENERATOR
~
N
L1
w
!::
"
ll:
NOTE:
Diagram
shows
connections
for
a
two-
wire,
120-Volt
system
from
the
generator.
with
three-wire,120-Volt
boat
system.
~
GENERATORiSHORE
~
SWITCH
I I
"'WD---~\
..
L1
.----7-----\-(:3
2 I
' /
---
_..
...--,
/5
~\
(NEUTRAL)!
'1
.--'---~c-{7
6 I
' /
__
....
SHIP'S
LOAD
.J:.
SHIP'S
-GROUND
~
l SHORE
-
GROUND
SHORE POWER
120
Volt/60
Hertz
Three
Wire
Configuration
Note the repositioning
of
the white ground lead
on
the termi-
nal block to the generator case.
Generator
~
NOTE:
Diagram
shows
connections
for
a
two-
wire.
120·Volt
system
from
the
generator.
with
three-wlre.'120-Volt
boat
system.
~
::J
"
z
I
' /
__
_..
~
..J
/
......
-
....
,,
"'.______.~]
Neutral
I
~-+-:.c.:..::=--N
Ships
Load
iii!?
.,,/
(WHT)
~~T2~'o-Volt
~
-c;ound
II•
Equipment
z
(GRN)
~
Shore
Po'wer
230
Volt/50
Hertz
Two
Wire
Configuration
Notice the repositioning
of
the white ground lead
on
the
ter-
minal block to the generator case.
Engines & Generators
45
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