Shore Power Transfer Switch - Westerbeke 6.5 MCG Service Manual

SHORE POWER TRANSFER SWITCH
· SINGLE LINE 120 VOLT SYSTEM
Generator
~
z
~·
·~.
Cilr;'
/~~:
=
~J ~!~:~::
~
Ground
It•
equipment
z
(GRN)
NOTE: Diagram shows connections for a two wire,
~
120-vo/t system.
Shore Power
If the installe( connects shore power to the vessel's AC
circuit, this must be done by means of the Shore Power
Transfer Switch. Set the transfer switch shown in the
diagrams to the OFF position. This switch prevents
simultaneous connection, of shore power to generator output.
Generator
r
N . G1"
.=.:
l
NOTE: This diagram shows connections for a
two wire, 120V system from the generator with
a three wire -120V bOC'It system.
L2
/ . .---....,
'------~L1
'--~+-;---~ 1 HW ~'--~ __ N_eu~t~ra~I~N
SHIPS LOAD
Notice the repositioning of the white wire ground load on the
terminal block to the generator case.
Q
z,
::I·
o:
.a:.
·e~,
·GENERATOR.
~
'N L1 ..
SHIP'S
LOAD .
.....
-
......
I' ' .
'--------~•5
trN
(NEUTRAL)I I .
.------'-''rl7 6
I
~
SHORE
POWER
'
/
.....
_,
"='
SHORE
GROUND
- SHIP'S
-GROUND
Switching Shore Power to Generator Power
A
CAUTION:
Heavy motor leads should be shut off
before switching shore power to generator power or
vice-versa because voltage surges induced by switching
with heavy AC loads on the vessel being operated may
cause damage to the exciter circuit components In the
generator.
A
CAUTION:
Damage to
the-gene~?~tor
can result If
utility shore power and generat'tir.:d'iltptit are connected
at the same time. This type of gene'rat6t damage Is not
covered IInder the warranty; it Is the Installer's
responsibility to make sure all
AC
connections are
co"i!ct.
· I (WHT)
~
'G;::nd II•
(no 240V equipment)
~ ~(~G~R~N)~.~------~
.
~
Shore Power
Engines
&
Generators
77