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
5
Versi
o
n 2.0
W
h
irrin
g
Low g
as
p
ressure
(wh
irrin
g)
No
ise
f
r
om b
urner
sta
g
e s
w
it
ch
No
ise
d
urin
g
comb
usti
o
n
Exh
aust
g
as
flow
int
o
t
h
e
bo
i
l
er t
h
r
o
u
gh
t
h
e air in
l
et
m
akes
comb
usti
o
n n
o
ise.
Ch
e
c
k t
h
e
d
istan
c
e
b
et
w
een in
l
et an
d o
ut
l
et
(
at
l
east
6”)
.
Ch
e
c
k t
h
e
d
istan
c
e
b
et
w
een
fl
ues i
f
t
wo o
r
mo
re units are insta
ll
e
d
(
at
l
east 2
4”)
.
Ch
e
c
k i
f
t
h
ere is an
y ob
sta
cl
e near t
h
e
fl
ue.
D
isasse
mbl
e t
h
e n
ozzl
e an
d ch
e
c
k i
f
t
h
e
hol
e is narr
ow
e
d d
ue t
o
fo
rei
g
n su
b
stan
c
e.
Set
DIP
S
/
W
1,
2 t
o ON (3-
sta
g
e M
IN),
an
d ch
e
c
k t
h
e
fl
a
m
e.
Comp
are
fl
a
m
e
of B
urner at
comb
usti
o
n se
c
ti
o
n
of
sta
g
es
1,
2 an
d 3
.
Ch
e
c
k t
h
e n
ozzl
e i
f
t
h
ere is a
comp
arative
ly
un
b
a
l
an
c
e
d b
urner
se
c
ti
o
n.
1
.
No
ise
occ
urs
d
ue t
o fl
a
m
e
l
i
f
tin
g wh
en
g
as
p
ressure is
low
.
Ch
e
c
k t
h
e
g
as su
pply p
ressure
(dy
na
m
i
c p
ressure
)
2.
Low g
as su
pply d
ue t
o d
i
ff
erentia
l p
ressure err
o
r.
Set
DIP
S
/
W
1,
2 t
o ON (3-
sta
g
e M
IN),
3
.
No
ise
d
ue t
o clogg
e
d o
r
d
a
m
a
g
e
d g
as
p
ressure sens
o
r
ho
se.
4
.
Ch
e
c
k t
h
e
f
ai
l
ure
of
t
h
e
g
as
p
ressure sens
o
r
(o
ut
p
ut v
ol
ta
g
e
ch
e
c
k
)
.
No
ise
d
ue t
o d
e
f
e
c
tive air
p
ressure sens
o
r.
R
e
pl
a
c
e t
h
e air
p
ressure sens
o
r.
No
ise
d
ue t
o
t
o
rn air
p
ressure
ho
se.
No
ise
m
a
y b
e inter
m
ittent
d
e
p
en
d
in
g o
n t
h
e si
z
e
of
t
h
e
d
a
m
a
g
e.