DORCHESTER DR-FC 25, Инструкции по установке, пусконаладке и обслуживанию

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is
Instruction
M
anu
al
DR-
F
C
76
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
.
Ex
pl
os
iv
e ig
ni
tio
n
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
C
heckin
g the
sup
ply
pressure
an
d
burne
r p
re
ssure’
.
If
igni
tio
n is
n
ot
im
p
ro
ved, co
nsult your inst
all
er
.
Cont
amina
te
d burne
r
C
lean the burn
er
. See
’1
2.4
.2
C
lean
ing the burn
er
’
Cont
amina
te
d orifice.
Cl
ean the orifice. See
’12
.4
.3
C
leani
ng the orifice’
Insufficient or no hot wa
ter
.
W
a
te
r
heater is turn
ed
of
f.
S
ta
rt-up
the
wa
te
r
he
ater
. See
’7.2
S
tar
ting up’
No electric powe
r
present.
1.
C
heck whether the mains switch is ON.
2.
C
heck tha
t there is pow
er
to the mains switch.
3.
C
heck whether the ON
/OFF
swi
tch
of th
e control p
an
el is ON
(p
osition I).
4.
C
heck whether there is pow
er
to the ele
ctrical
co
nnectio
n
block.
5.
T
he vol
tag
e me
asured
must
b
e 230
V
A
C (-15%, +10
%
).
Se
e appe
ndi
x
’A.2
Electrical di
agram DR-F
C
’
.
If the
e
rro
r can
not b
e
recti
fied, co
nt
a
ct
your
inst
all
er
.
Hot
wa
te
r sup
ply is
used up.
Re
duce ho
t water consumptio
n and gi
ve
the
wa
te
r
he
ater time to
he
at u
p.
If
the
re
co
ntinue
s
to be in
su
ffi
ci
ent or
n
o hot
w
ater
, consul
t your
in
st
a
lle
r.
The
con
tro
ller is in
OF
F mode.
Put the co
ntro
ller i
n ON mode, see
’8.3
Switching
into “ON mode
”’
.
Te
mp
erature (T
set
) is
se
t too low
.
Set temperat
ure (T
set
)
to
a
high
er va
lue, se
e
’8
.4
Se
tting
the
wat
er
tempera
tu
re’
.
Ta
ble
10.1
Ge
neral
e
rro
rs (Shee
t 3 of 3)
Symptom
C
ause
So
lu
tio
n
R
emar
k