Hunter 50CC - Page 120

Hu
nt
e
r
50
C
C
• Water S
y
stems
9
.
6
At the end of this section,
y
ou will find an illustration of the
A/C coolin
g
water arran
g
ement. It is important to alwa
y
s
e
nsure that the intake valve
(
see mechanical arran
g
e-
ment in the Boatin
g
S
a
f
et
y
C
hapter, as well
)
is alwa
y
s
o
pen before usin
g
the A/C S
y
stem. In the pumps sub-
section o
f
this chapter
y
ou will see the ima
g
e o
f
these
c
omponents
.
I
f
y
ou purchased
y
our boat with the air conditionin
g
o
ption,
y
ou will
f
ind the documentation
f
or the operation
o
f this s
y
stem in the owner’s packet of the manufacturer’s
o
wner’s
/
operator’s manuals
.
9
.4.4 Generator Coolin
g
Pickup and Strainer
(
Generator Option
)
Th
e
g
enerator
i
s an en
gi
ne an
d
,
j
ust
lik
e t
h
e ma
i
n
e
n
g
ines, requires coolin
g
water. Water is supplied to the
g
enerator throu
g
h the intake and strainer located
j
ust
aft of the
g
enerator. Raw water is taken in via the raw
water intake and then passes throu
g
h the strainer and is
dischar
g
ed throu
g
h the exhaust o
f
the
g
enerator.
(S
ee
Generator
O
wner’s Manual for more details
)
9
.4.5 En
g
ine Seacocks and Strainers
It is a ver
y
important
f
unction
f
or
y
our main en
g
ines to
remain a speci
f
ic temperature when operatin
g
. This is
done with the aid of raw water from the main en
g
ine
seacocks. Heat
f
rom the closed coolin
g
s
y
stem on the
e
n
g
ines is trans
f
erred to the cooler seawater throu
g
h
h
eat exc
h
an
g
ers
i
ns
id
e t
h
e en
gi
ne.
Th
e raw water
i
s t
h
en
dischar
g
ed throu
g
h the exhaust.
To clean
y
our main en
g
ine strainer, first close the main
e
n
g
ine seacock, remove the top cover on the strainer
r
e
m
o
v
e
th
e
sc
r
ee
n
a
n
d
c
l
ea
n
.
CAUTION
! !
Al
wa
y
s ensure en
gi
ne, or
g
enerator seacoc
k
s, or
i
ntakes are open before startin
g
. Failure to do so
c
ould overheat and a dama
g
e these components
.
Be
f
ore re-installin
g
the cap onto the strainer, check the
‘
o’ rin
g
that is the seal on the cap.
C
heck
f
or wear, or
leaka
g
e. Replace if needed
(
Contact
y
our dealer for
replacement
)
.
WARNING
! !
Hot coolant under pressure ma
y
boil or explode and
c
ause burns or other personal in
j
ur
y
when the pres-
sure cap
i
s remove
d
.
All
ow t
h
e en
gi
ne to coo
l
, t
h
en
open the cap slowl
y
to allow an
y
pressure to vent
before completel
y
removin
g
the cap.
CAUTION
! !
Before usin
g
an
y
s
y
stem that requires raw coolin
g
water, ensure that the intake valve is o
p
ened and the
strainers are not clo
gg
ed. Section 9.4.6 illustrates
the procedure for cleanin
g
y
our strainers
.
9
.4.6 Water Heater
The
f
resh water pump supplies water to the water heater
f
rom the water tanks. A breaker on the A
C
side o
f
the
MDP
, an
d
a roc
k
er sw
i
tc
h
on t
h
e contro
l
p
ane
l
contro
l
s
power to the heater.
F
o
ll
ow t
h
ese proce
d
ures w
h
en us
i
n
g
t
h
e water
h
eater
:
1. Make sure the water heater is
f
ull o
f
water.
O
pen a
hot water faucet and allow a stead
y
stream of water to
f
l
o
w
ou
t
of
th
e
fauce
t t
o
r
e
m
o
v
e
a
ll
a
ir
f
r
o
m th
e
h
o
t w
a
t
e
r
c
ir
cu
it.
2
. With the
g
enerator runnin
g
or shore power connected
to
y
our boat, switch on the WATER HEATER circuit
breaker at the AC side of the MDP.
3
. Wait
f
or the water in the tank to heat up, then use as
y
ou would at home.
WARNING
! !
I
MPORTANT!
Water temperatures in excess 110ºF
(
43ºC
)
are
dan
g
erous and ma
y
cause scaldin
g
, severe in
j
ur
y
or
d
eath
9
.4.6.1 Water Heater Temperature Ad
j
ustmen
t
(
Thermostatic Mixin
g
Valve
)
1. Let the water
f
low
f
or at least 2 minutes to allow suppl
y
tem
p
erature to sta
bli
ze.
2.
C
alibrate the mixed water outlet temperature b
y
plac-
in
g
a thermometer in the mixed water stream
.
3
. To ad
j
ust the settin
g
of the valve, loosen lockin
g
cap
with hex wrench, see
f
i
g
ure 9.5.0.
C
ap must be li
f
ted 1
/
4”
to ad
j
ust temperature. To increase the temperature, tur
n
c
ounterc
l
oc
k
w
i
se.
T
o
d
ecrease temperature, turn c
l
oc
k
-
wi
se
.