Hunter H45DS - System Components and Operation

Hunter 4
5
DS
• DC Electric
7.5
7.2 S
y
stems and Components
There are man
y
s
y
stems and components on the D
C
side
o
f
y
our boat from emer
g
enc
y
and safet
y
to entertainment.
These s
y
stems make up the lar
g
est part of
y
our electrical
s
y
stem
.
H
ere we will discuss the electrical parts of those s
y
stems
and tr
y
and
g
ive
y
ou a better understandin
g
o
f
the uses
and features of
y
our DC electrical s
y
stems and compo-
nents. Since the lar
g
est part of
y
our controls are at the
M
DP, we will start there and run down the s
y
stems and
c
omponents as the
y
are listed on the MDP. From there,
we will look at the batter
y
switch panel, and finall
y
, the
h
e
lm
co
ntr
o
l
s
.
7.2.1 DC Main
In order to ener
g
ize the DC s
y
stem aboard
y
our boat,
y
ou
must turn the breaker marked “DC Main”, on the batter
y
switch panel, to the
“O
n” position. This supplies power to
the remainin
g
breakers and s
y
stems on the distribution
p
ane
l
.
7.2.2 Water S
y
stems
The water s
y
stems are outlined in the Water S
y
stems
c
ha
p
ter in this manual. However, the controls an
d
p
monitors for these s
y
stems are all powered b
y
the DC
El
ectr
i
ca
l
s
y
stem.
The water tank monitor as shown in Fi
g
. 7.4 allows
y
ou
to se
l
ect t
h
e tan
k
to mon
i
tor t
h
e water
l
eve
l
i
n t
h
e res
p
ec-
tiv
e
t
a
nk.
Th
e power sw
i
tc
h
turns t
h
e mon
i
tor on, t
h
en
select the tank
y
ou want to monitor. The
g
au
g
e on
the le
f
t will show the amount remainin
g
in the tank.
The waste tanks are also monitored
f
rom this location b
y
selectin
g
numbers six, or seven
f
rom selector switch
#
1
o
n
Fig
. 7.
4
.
7.2.3 Refri
g
erato
r
The breaker marked
“
re
f
ri
g
erator”, on the main breaker
panel behind the starboard salon seat, supplies power
to the DC powered refri
g
erator aboard
y
our boat. See
Fi
g
. 7.5
f
or the arran
g
ement la
y
out o
f
this s
y
stem.
DC CIRCUIT PROTECTION BOX
REFRIGERATOR
FREEZER
Fi
g
.7.3
Fi
g
.7.4
Fi
g
.7.5