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
7
0
Versi
o
n 2.0
Check method
Check method Cause Error type
Ig
niti
o
n
f
ai
l
Gas su
pply
err
o
r
D
e
f
e
c
tive e
l
e
c
tr
od
e
g
a
p
an
d
s
h
a
p
e
1
.
Ch
e
c
k i
f
t
h
e
m
ain
g
as va
l
ve is
op
en.
2.
Ch
e
c
k t
h
e
g
as su
pply p
ressure.
N
G
: 5”(6” 18
0 M
ODEL) ~1
0.
5”
W.
C, LP: 8”~13
.
5”
W.
C
LP p
ressure
d
r
op occ
urs
f
re
q
uent
ly
in t
h
e
w
inter.
3
.
Ch
e
c
k t
h
e
fl
e
x
i
bl
e
p
i
p
e
d
ia.
(
20
mm)
4
. W
h
i
l
e t
h
e stati
c p
ressure is n
o
r
m
a
l,
a
l
ar
g
e
d
i
ff
eren
c
e
of dy
na
m
i
c
p
ressure
m
a
y c
ause
d
r
op of g
as
p
ressure.
Th
ere
fo
re
,
it is re
q
uire
d
t
o
ch
e
c
k t
h
e
dy
na
m
i
c p
ressure.
Ȅ
Stati
c p
ressure
:
Gas
p
ressure at t
h
e st
op of
t
h
e
bo
i
l
er.
Dy
na
m
i
c p
ressure
:
Gas
p
ressure at
bo
i
l
er
m
a
x comb
usti
o
n.
(3
r
d
sta
g
e M
AX comb
usti
o
n settin
g: DIP
S
/
W
1-1 ON)
5
.
Exc
essive
fo
r
c
e in
f
astenin
g
nuts at insta
ll
ati
o
n
of g
as
p
i
p
e
m
a
y
mo
ve t
h
e
p
a
c
kin
g
an
d bloc
k t
h
e
T
e
flo
n sea
l
in
g, c
ausin
g
a
d
r
op of
g
as su
pply p
ressure.
6
.
Ch
e
c
k t
h
e
m
eter
cl
ass
(Ex
a
mpl
e
)
Gas
m
eter Water
h
eater
F
urna
c
e
Dom
esti
c g
as st
o
ve
4
2
5 CF
H
≥ 195 CF
H
+ 58
.
8 CF
H
+ 63
.
7 CF
H
* 1 CF
H
= 1,
020
B
tu
h
D
e
f
e
c
tive e
l
e
c
tr
od
e
g
a
p
an
d
s
h
a
p
e
d
isa
bl
es i
g
niti
o
n.
App
r
op
riate e
l
e
c
tr
od
e
g
a
p:
a
pp
r
ox
.
3~4mm (
re
pl
a
c
e i
f d
e
f
e
c
tive
)
A
n i
g
niti
o
n
f
ai
l m
a
y occ
ur
d
ue t
o
i
mp
r
op
er
g
a
p, wh
i
l
e
d
is
ch
ar
g
e
see
m
s n
o
r
m
a
l wh
en
ch
e
c
ke
d
via t
h
e
fl
a
m
e
mo
nit
o
rin
g w
in
dow
.
Th
ere
fo
re
,
it is re
q
uire
d
t
o ch
e
c
k t
h
e
g
a
p
a
f
ter
d
isasse
mbly
.
< Ch
e
c
k
g
as su
pply p
ressure
> <
M
o
ve
d p
a
c
kin
g
narr
ow
s t
h
e inner
d
ia
m
eter
>