DORCHESTER DR-RS 105, Инструкция по установке, наладке и обслуживанию

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is
Instruction
m
anu
al
DR-
R
S
55
Wa
rn
in
g
Ma
intena
nce may
o
nly be pe
rformed
b
y a
qu
alifie
d se
rvi
ce and main
te
nance
e
ngin
eer
.
8.3
T
rou
b
lesh
oot
ing
t
a
ble ’ins
uf
ficient
hot
wat
e
r’
If the
wa
te
r he
ater
fai
ls to
sup
ply
any
hot
water
, there are severa
l p
ossibl
e ca
uses.
Refer to
Tabl
e
8.2
Insu
ffici
ent h
ot wa
te
r
Ex
pl
os
iv
e ig
ni
tio
n
Po
or fl
ame
p
rofil
e
Inco
rre
ct supp
ly
pressure a
nd/or bu
rner
pressure.
Set th
e
co
rre
ct supp
ly
p
ressure and
/o
r bu
rner pressure, see
3.1
1
Ch
ecking
the sup
ply pressure an
d
b
urner pressu
re
.
If
igni
tio
n is
n
ot
im
p
ro
ved, co
nsult your inst
all
er
.
Cont
amina
te
d burne
r
Cl
ean the burn
er
. See
9.4.2
Clea
nin
g the
b
urners
Cont
amina
te
d orifice.
Cl
ean the orifice. See
9.
4.
3
C
le
an
in
g th
e or
ific
es
Cont
amina
te
d air
su
ppl
y
Improve th
e air supp
ly
.
Ta
b
le
8.
1
Gen
eral errors (Sheet 2 of
2
)
Symptom
C
ause
So
lu
tio
n
R
emar
k
Ta
b
le
8.
2
In
su
ffi
ci
ent hot
w
ater
Symptom
C
ause
So
lu
tio
n
R
emar
k
Insuf
ficien
t hot water
T
he
water
te
mp
erature
se
ttin
g (
T
se
t
) is to
o low
Set th
e
co
ntro
l th
ermost
a
t to
a
h
ighe
r
setting
. See p
ara
graph
5.5
C
on
tro
l the
rmo
st
at
.
Hot
wa
te
r sup
ply used
up.
1.
R
educe
the rate of
h
ot
wa
te
r con
su
m
pti
on. Allow the water
h
eater eno
ugh time to
h
eat
u
p th
e
w
ater
.
2.
If
this error occurs regul
arly
, che
ck wh
eth
er th
e
h
igh
-limit
the
rmo
st
at
is cu
tting
in/o
ut
. I
f so, ch
eck that
th
e
circulatio
n-
a
nd/or to
p to bo
ttom recircul
a
tion pump are wo
rki
ng prop
erly
.
If
the
error has not been
rectifie
d
an
d no other ca
use can be found
,
is
olate the water hea
te
r from
the
p
ower supp
ly
, shut of
f the ga
s
va
lve
and
a
lert you
r i
nst
a
ller
.