Hunter H45DS - Power Sources and Distribution

Hunter 4
5
DS
• DC Electric
7.
3
“
Le
g
ends” section that will detail the switch, breaker, and
c
ontro
l
pane
l
s a
b
oar
d
y
our
b
oat
.
7.1.1 Batteries
DA NG ER
! !
Batteries contain Sulfuric Acid and can cause severe
p
ersonal in
j
ur
y
if mishandled.
Avoid contact with e
y
es, skin, or clothin
g
. In case of
c
ontact, flush with water at least 15 minutes.
If swallowed, drink lar
g
e quantities of water or Milk
o
f Ma
g
nesia, beaten e
gg
, or ve
g
etable oil and
g
et
m
edical attention immediatel
y.
WARNING
! !
Char
g
in
g
batteries produces
g
asses which can ex-
p
lode if i
g
nited.
E
xplosion can shatter a batter
y
.
B
atter
y
ac
id
can cause severe persona
l
i
n
j
ur
y
suc
h
a
s blindness.
K
eep flame, spark, and smokin
g
materials awa
y
from
batteries while char
g
in
g
. Char
g
e in a well ventilated
area.
The DC S
y
stem derives its power from two separate
batter
y
banks.
A
c
ir
cu
it
b
r
ea
k
e
r n
ea
r th
e
bu
nk f
ace
f
o
rw
a
r
d
o
f th
e
c
h
a
rt
table, connects the batter
y
to the electrical s
y
stem. The
batteries suppl
y
power,
f
irst to the batter
y
selector switch
then to the DC side of the main control panel, and finall
y
throu
g
h the distribution panel. From these panels, power
is distributed to such equipment as cabin li
g
hts, instru-
ments, an
d
accessor
i
es.
The ne
g
ative terminal o
f
all banks are attached to the D
C
Ground connection on the en
g
ine. This s
y
stem, known as
the ne
g
ative
g
round s
y
stem, is the approved s
y
stem
f
or
marine D
C
electrical s
y
stems. The batter
y
wirin
g
s
y
stem
h
as two co
l
or co
d
e
d
w
i
res.
Th
e
y
e
ll
ow w
i
re
i
s t
h
e
g
roun
d
(
ne
g
ative
)
, and the red wire is
(
positive
)
.
T
o avo
id
exp
l
os
i
ons,
d
o not use
j
umper ca
bl
es an
d
a
booster batter
y
to start the en
g
ine. I
f
batteries are dead,
then remove and rechar
g
e them ashore
.
Batteries produce h
y
dro
g
en and ox
yg
en
g
asses when
the
y
are bein
g
char
g
ed. These explosive
g
asses escape
throu
g
h the vent/fill caps and ma
y
form an explosive
atmosphere around the batter
y
i
f
ventilation is poor. This
g
as ma
y
remain around the batter
y
f
or several hours a
f
ter
c
har
g
in
g
. Sparks or flame can i
g
nite the
g
as and cause
an ex
pl
os
i
on
.
WARNING
! !
Batteries contain a lar
g
e amount of potential
e
lectrical ener
gy
!
E
xtreme care must taken when workin
g
with
b
atter
i
es.
An improper connection to a batter
y
can release
e
nou
g
h ener
gy
to cause severe personal in
j
ur
y
or
fire.
The
f
ollowin
g
precautions must be taken
:
Th
e w
i
r
i
n
g
to t
h
e
b
atter
i
es must
h
ave proper over
current protection in the
f
orm o
f
f
use or breakers
.
U
se on
ly
b
atter
y
c
h
ar
g
ers t
h
at
h
ave
b
een
li
ste
d
by
a
testin
g
a
g
enc
y
, such as Underwriters Laboratories,
In
c.
Follow the wirin
g
dia
g
rams exactl
y.
T
o remove t
h
e
b
atter
y:
Turn o
ff
all power drawin
g
breakers and isolate bat-
ter
y
.
R
emove ne
g
ative
(
-
)
cable
f
irst, then the positive
(
+
).
When
y
ou install a batter
y
, the batter
y
connections must
be made properl
y.
Attach the positive cable to the positive
(
+
)
terminal
o
n the batter
y.
Attach the ne
g
ative cable to the ne
g
ative
(
-
)
terminal
o
n the batter
y.
Note: Batteries should always be removed and installed by
trained, qualified persons to avoid all damages.
7.1.2 Batter
y
Switch
E
ach batter
y
has a batter
y
selector switch
(
Fi
g
. 7.2
)
l
oca
t
ed
in th
e
bu
nk
face
fo
rw
a
r
d
of
th
e
c
h
a
rt t
ab
l
e
.
Th
e se
l
ector sw
i
tc
h
es are mar
k
e
d
as to w
hi
c
h
b
atter
y
the
y
control. Turnin
g
the selector switch to the
Off
posi-
tion turns power o
ff
to the respective circuits, likewise, the
O
n position turns power on.
•
•
•
1
.
2
.
1.
2.