8. Commissioning
(1) Before commissioning
●
The appliance should be installed and completed correctly.
●
Piping and wiring should be correct.
●
Power supply voltage should match with the rated voltage.
●
Drainage should work smoothly.
●
The insulation should be complete.
●
The ground wire should be properly connected.
●
There should not be any obstacles at the air inlet and air outlet orifices.
●
Make sure the water tank is filled with water.
(2) Operation with power
●
Make sure all the control switches are normal as well as all function buttons are good.
●
Observe if hot water system works properly and the temperature of outlet water is normal or not.
●
When the safety valve is working, please check if it can drain out water successfully.
●
There isn't any abnormal vibration or sound during the appliance's operation.
Fig.11
Wiring diagram
9. Wiring Diagram
ATTENTION
This diagram is for reference only. When the content of the above diagram differs from that on the
appliance, please refer to the electrical diagram in the electric control box of the appliance.
-12-
●
Type
and
rating
of
fuse
:
cartridge fuse-link, 3
.
15AL250V.
bl
a
ck
wh
ite
bl
ue
br
ow
n
EE
V
hi
gh
-p
re
ss
ur
e s
wi
tc
h
bro
wn blu
e
se
lf-r
es
ett
ing t
he
rm
os
t
a
t
bro
wn
he
a
tin
g e
le
m
en
t
ye
llo
w/
gr
ee
n
ye
llo
w/
gr
ee
n
mo
tor c
a
p
a
cit
or
re
d
or
an
ge
fo
ur
-w
ay
v
a
lve
bro
wn
ye
llo
w/
gr
ee
n
bl
ue
re
d
bl
ue
co
mp
res
so
r
c
a
p
a
cit
or
co
m
pr
es
so
r o
ve
rlo
a
d
pr
ot
ec
tio
n(
in
te
rn
al
)
bro
wn
bl
ue
bro
wn
ye
llo
w/
gr
ee
n
power line
22
0-
24
0V
AC 5
0H
z
bl
ue
bl
ue
wh
ite
yel
low
Pu
mp
4-W
ay
F
a
n_L
F
a
n_H
E-
he
at
LE
D
1
in
di
c
a
to
r l
ig
ht
st
ep
-m
ot
or
X6
X5
X1
3
HPS
te
st b
ut
to
n
S
W
1
X1
8
X1
6
X1
4
X1
5
X2
0
X2
1
X9
X7
C
O
M
N
O
FUS
E 25
0V/
3.1
5A
tr
a
ns
for
me
r s
ec
on
d
a
ry
X8
tr
a
ns
for
me
r p
rim
a
ry
To
-d
is
pl
ay
er
Tr
a
ns-
1
Tr
a
ns-
2
tr
a
ns
fo
rm
er
g
a
s-
b
a
ck
w
a
te
r
sp
ar
e-
in
BR
EA
KD
OW
N CO
DE L
IS
T
bre
ak
do
wn
c
od
e
de
sc
rip
tio
ns
E
2
E
3
E
5
E
6
E
7
se
ns
or o
f a
mb
ien
t
tem
pe
rat
ure b
rea
kd
ow
n
se
ns
or o
f p
ipe
tem
pe
rat
ure b
rea
kd
ow
n
se
ns
or o
f w
ate
r t
an
k
tem
pe
rat
ure b
rea
kd
ow
n
se
ns
or o
f e
xh
au
st
tem
pe
rat
ure b
rea
kd
ow
n
se
ns
or o
f r
etu
rn g
as
tem
pe
rat
ure b
rea
kd
ow
n
sys
tem p
rot
ec
tio
n o
f h
igh
pre
ssu
re
ov
er h
ig
h e
xh
au
st
pr
ot
ec
tio
n
NO
TE
: T
he b
re
a
kd
ow
n c
od
e w
ou
ld d
isp
l
a
y
wit
h
a
l
a
rm
wh
en
the
re
is
a
ny
bre
a
kd
ow
n.
Ple
a
se r
e
a
d t
he u
se
r’s m
a
nu
a
l fo
r s
olu
tio
n.
sen
sor o
f exh
a
ust t
emp
er
a
tur
e
sen
sor o
f the w
ater t
ank t
emp
erat
ure
sen
sor o
f amb
ien
t tem
per
atur
e
sen
sor o
f pip
e tem
per
atu
re
sen
sor o
f retu
rn g
as t
emp
erat
ure
di
sp
l
a
y
CI
RC
UI
T C
ON
NE
CT
IO
N D
IAG
RA
M
P
1
P
2
bla
ck
blu
e
X1
9
ex
ha
us
t
p
ip
e
ro
om
c
yc
le
NO
CO
M
NO
CO
M
bl
ue
br
ow
n
the
rm
al c
ut-
ou
t
re
l
a
y
re
l
a
y
X1
2
LPS
p
ho
to
vo
lta
ic i
nv
er
te
r
co
nn
ec
tin
g c
ab
le
(o
pt
io
na
l)
ma
in c
on
tro
l b
oa
rd
Installation
Installation
38
Содержание HTW HTW-AT-O-200VA2
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