Navien NP-180, Руководство по обслуживанию

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©N
avien
Am
eri
c
a
I
n
c
. 20
1
0
NR/NP
series servi
c
e Manua
l
1
2
7
Versi
o
n 2.0
Check method Error
C
ir
c
uit
b
reaker
op
erates
R
e
mo
te
co
ntr
oll
er
pow
er
Pow
er su
pply
Ch
e
c
k t
h
e
w
ire
C
ir
c
uit
b
reaker
op
erates
wh
i
l
e
t
h
e
bo
i
l
er is
runnin
g
D
e
f
e
c
tive
p
art
asse
mbly
Th
e
c
ir
c
uit
b
reaker
op
erates i
mm
e
d
iate
ly
as s
oo
n as t
h
e
pow
er
co
r
d
is
pl
u
gg
e
d
in t
h
e re
c
e
p
ta
cl
e.
Ch
e
c
k t
h
e s
h
eat
h of pow
er
co
r
d, o
r i
f
t
h
ere is s
ho
rt
-c
ir
c
uit.
Ch
e
c
k t
h
e
d
evi
c
es in t
h
e
o
r
d
er
of
t
h
e
pow
er trans
fo
r
m
er an
d
t
h
e
PCB
.
If
t
h
e
c
ir
c
uit
b
reaker
op
erates a
f
ter a re
p
airin
g wo
rk
, ch
e
c
k t
h
e
w
irin
g
of
ea
ch p
art.
Min
d
t
h
e
d
ire
c
ti
o
n
wh
en asse
mbl
in
g
t
h
e i
g
niti
o
n trans
fo
r
m
er.
B
e
c
are
f
u
l
t
h
at
w
ire is n
o
t
p
resse
d dow
n
wh
en asse
mbl
in
g
t
h
e
m
ain
g
as va
l
ve.
Ch
e
c
k i
f
t
h
e
w
ire is
fix
e
d
an
d w
e
ll
a
dj
uste
d o
n t
h
e
m
ain si
d
e
of
t
h
e
h
eat e
xch
an
g
er.
If c
ir
c
uit
b
reaker
op
erates
d
urin
g
t
h
e
op
erati
o
n
of
t
h
e
bo
i
l
er
, ch
e
c
k t
h
e
o
r
d
er
of op
erati
o
n
,
an
d
re
pl
a
c
e t
h
e
co
n
c
erne
d p
art.
e.
g
.
, Th
e
c
ir
c
uit
b
reaker
op
erates at s
w
it
cho
ver t
o b
urner sta
g
e
3
a
f
ter
i
g
niti
o
n.
೛ R
e
pl
a
c
e t
h
e
3-
sta
g
e va
l
ve.
Ch
e
c
k t
h
e
pow
er su
pply
t
o
t
h
e re
mo
te
co
ntr
oll
er ter
m
ina
l
.
(DC 19
V
o
r
h
i
gh
er
)
If
t
h
ere is a
p
r
obl
e
m
in
pow
er su
pply, ch
e
c
k t
h
e
o
ut
p
ut v
ol
ta
g
e
of
t
h
e
PCB,
an
d
take t
h
e a
c
ti
o
n se
p
arate
ly fo
r
w
irin
g
err
o
r an
d
d
e
f
e
c
tive
PCB,
res
p
e
c
tive
ly
.
If
t
h
e
pow
er su
pply
is n
o
r
m
a
l,
re
pl
a
c
e t
h
e re
mo
te
co
ntr
oll
er.
Cause
5.27.3. Circuit breaker operation
<No
r
m
a
l
asse
mbly> <
S
ho
rt
-c
ir
c
uit
d
ue t
o d
e
f
e
c
tive
asse
mbly>
<
Wirin
g
near t
h
e
h
eat e
x-ch
an
g
er
>