Sa
f
et
y
de
v
ice
1
9
When
it
doesn
'
t
ignite
even
with
the
power
button
“ON”
or
it
gets
extinguished
due
to
running
out
of
oi
l
,
the
FLAME
Dete
c
tor(Cds)
gets
to
work
and
stops
the
operation.
Combustion
safety
de
v
ice
If
water
is
insu
ffic
ient
in
the
boi
l
er,
it
interrupts
the
operation
of
the
boi
l
er
with
the
power
c
ut
off.
When
water
refi
ll
s,
the
boi
l
er
starts
operating
again
automati
c
a
ll
y.
L
o
w w
ater
le
v
el
blocking
de
v
ice
If
the
temperature
of
the
boi
l
er
rises
up
too
high,
it
is
dangerous.
So,
in
su
c
h
c
ase,
this
devi
c
e
c
ut
off
the
power
automati
c
a
ll
y.
When
the
overheating
preventer
gets
to
operated
the
c
ombustion
stops
and
“OVER-
HEA
T
ING,
MISFIRE”
l
amp
turns
on.
If
the
overheated
temperature
is
fa
ll
“OVER-
HEA
T
ING”
l
amp
turns
off
and
“MISFIRE”
l
amp
keep
turning
on.
If
the
overheating
stops
operating,
restarts
it
by
pressing
the
“RESE
T
”
button,
If
the
operation
stop
is
repeated
again,
c
onta
c
t
the
sa
l
es
agen
c
y
or
the
c
ommer
c
ia
l
agen
c
y.
O
v
erheating
p
re
v
enter
During
the
hard
winter,
the
c
ir
c
u
l
ation
pump
or
the
burner
operates
automati
c
a
ll
y
to
prevent
the
heating
c
ir
c
uit
from
freezing.
In
winter,
keep
on
p
l
ugging
in
the
power
c
ord
and
turning
the
power
button
“ON”.(the
insu
l
ation
state
of
the
pipes
must
be
norma
l
)
Free
z
ing
p
re
v
enter
If
the
power
gets
off,
oi
l
gets
b
l
o
c
ked
automati
c
a
ll
y
and
the
c
ombustion
stops.
Safety
de
v
ice
on
p
o
w
er
-
failure
Содержание KDB-203 STC
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