Hunter 50 - The DC Electrical System Overview

Hu
nt
e
r
50
• D
C
Electric
7.
2
D
C Electric S
y
stem
s
This section will provide
y
ou with the information necessar
y
to understand and operate
y
our D
C
Electrical
Sy
stems.
It is not the scope of this manual to educate
y
ou on repair,
o
r extendin
g
the electrical s
y
stem. We cannot educate
y
ou in the principals of basic electricit
y
. The scope of
y
our
manual is to provide
y
ou with the basic information
y
ou
will need
f
or sa
f
et
y
, operation, and maintenance o
f
these
s
y
stems.
There are two main cate
g
ories, the D
C
Electrical s
y
stem
and the AC Electrical s
y
stems. These are two entirel
y
different s
y
stems thou
g
h in lots of areas one dependant
o
n th
e
o
th
e
r.
F
rom t
h
at po
i
nt we w
ill
su
bdi
v
id
e t
h
e ma
i
n cate
g
or
i
es
into sections be
g
innin
g
with the source o
f
the power
and continuin
g
throu
g
hout the s
y
stem to the component
b
ase
d
i
n t
h
e s
y
stems c
i
rcu
i
tr
y
.
R
emem
b
er w
i
t
hi
n eac
h
main s
y
stem are man
y
sub-s
y
stems or circuits. These
will be outlined as best as we can
f
rom be
g
innin
g
to end.
WARNING
! !
D
o not rel
y
on the information in this manual as a re-
p
a
i
r
g
u
id
e, as a
l
wa
y
s on
ly
competent e
l
ectr
i
ca
l
ser-
v
ice personnel should attempt to repair an
y
electri-
c
al equipment or extension of the electrical s
y
stems.
T
o
d
o so wou
ld
r
i
s
k
e
l
ectr
i
ca
l
s
h
oc
k
, or
d
ama
g
e to
t
he boats s
y
stems or components.
7.1 The DC Electrical S
y
ste
m
The DC S
y
stem consists of the followin
g
s
y
stems or
c
omponents
:
Ba
tt
e
r
ies
Batter
y
S
witches
Ma
in P
a
n
e
l
Ligh
t
i
n
g
P
umps
D
i
s
tri
bu
ti
o
n P
a
n
el
O
il Chan
g
er
(O
ption
)
S
hower
S
um
p
Win
d
l
ass
Generator Starte
r
En
g
ine
S
tarters
H
ead Components
R
efri
g
erator / Freezer
Fresh Water Pum
p
Mace
r
a
t
o
r
CO
Monitors
Ve
ntil
a
ti
on
Entertainment
C
enters
Fire Extin
g
uishin
g
S
y
stem
Throu
g
hout this section, the components will be separated
into cate
g
ories of Power Suppl
y
and related components
such as switches, breakers,
f
uses, panels, char
g
ers,
g
roundin
g
, the components that are powered b
y
the D
C
e
lectrical s
y
stem, and finall
y
operations and su
gg
estions
f
or control or usa
g
e o
f
the s
y
stems or components. At the
e
nd o
f
the section,
y
ou will
f
ind a
“
Le
g
ends” section that
w
ill
d
eta
il
t
h
e sw
i
tc
h
,
b
rea
k
er, an
d
contro
l
p
ane
l
s a
b
oar
d
y
our boat.
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Fi
g
. 7.
1
y
1.
S
hore
P
o
w
e
r
2.
S
hore
P
o
w
e
r
Br
ea
k
er
3
. House
Ba
tt
e
r
ies
4.
Op
t.
I
nv
e
rt
er
5
.
O
pt.
Ge
n
e
r
a
t
o
r
6. House
Batter
y
F
use
7. A
C
Dis
t
Box
8
. D
C
Dist
Box
9
. A
C/
D
C
Co
ntr
o
l
P
a
n
e
l
10. Iso
Tr
a
n
s
-
f
o
rm
e
r
11.
S
ec.
Tr
a
n
s
f
o
rm
er
B
r
ea
k
e
r
12.
S
tart
b
atter
y
13. Battery
s
wit
c
h P
a
n
el