Hunter 50 - Water Heater Operation and Adjustment

Hu
nt
e
r
50
• Water S
y
stems
9
.
6
‘o’ rin
g
that is the seal on the cap. Check for 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
b
urns or ot
h
er persona
l
i
n
j
ur
y
w
h
en t
h
e pres-
sure cap is removed. Allow the en
g
ine to cool, then
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
from the water tanks. A breaker on the AC side of the
M
DP, and a rocker switch on the control panel controls
power to the heater.
Follow these procedures when usin
g
the water heater
:
1. Make sure the water heater is full of water.
Op
en a
hot water
f
aucet and allow a stead
y
stream o
f
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
ci
r
cui
t.
2. With the
g
enerator runnin
g
or shore power connected
to
y
our
b
oat, sw
i
tc
h
on t
h
e
WATER
HEATER
c
i
rcu
i
t
breaker at the A
C
side o
f
the MDP.
3
. Wait
f
or the water in the tank to heat up, then use as
y
ou wou
ld
at
h
ome.
WARNING
! !
I
MPORTANT!
Water temperatures in excess 110ºF
(
43ºC
)
are
d
an
g
erous an
d
ma
y
cause sca
ldi
n
g
, severe
i
n
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
temperature to stablize.
2. Calibrate 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
o
f
the valve, loosen lockin
g
cap
with hex wrench, see fi
g
ure 9.5.0. Cap must be lifted 1/4”
to ad
j
ust temperature. To increase the temperature, tur
n
c
ounterclockwise. To decrease temperature, turn clock-
w
ise
.
4. Lower handle and ti
g
hten screw.
5
.
C
heck outlet temperature.
NOTE: Refer to User’s manual in OEM Packet
.
Ho
tte
r
3
/
32
"
H
e
x
W
r
enc
h
T
u
T
T
r
n
Co
l
d
er
U
ns
c
r
e
w
,
w
li
f
t
ca
p
to
a
d
j
ust
F
i
g
ur
e
9.5.0
-
T
emperatu
T
T
re A
d
justment
T
ab
l
e
1. Scald Time
(
Hot Water
)
, References Onl
y
T
emperature Max duration until in
j
ur
y
155F
(
68.3
C)
1
seco
n
d
145F
(
62.9
C)
3
seconds
135F
(
57.2
C)
10
seconds
130F
(
54.4C
)
3
0 seconds
125F
(
51.6C
)
2 min
u
t
es
120F
(
48.8C
)
5
min
u
t
es
WARNING
! !
H
y
dro
g
en
g
as ma
y
form in water heater if not used.
Open valves. Do not smoke or use electrical appli-
a
nces for several minutes before use
.