Welbilt Convotherm 4 - Page 55

4 Operatin
g
Training m
a
General sa
Whe
n
contr
The
V
A
fter
reac
h
contr
wher
e
The i
unit (
contr
If the
mod
e
The
a
The
m
the g
Boiler bur
n
Item
1
2
3
g
principles
a
nual Convo
t
a
fety princi
p
n
a cooking
p
ol unit. At th
e
V
enturi effec
t
a defined p
e
h
ed. If the s
p
ol unit open
s
e
it is ignite
d
onization pi
n
min. 1µA). I
f
oller.
safety chec
e
and the au
t
a
ppliance di
s
m
ain gas val
as valve cut
s
n
er monitor
i
Name
Ground ele
c
Ignition ele
c
Burner ma
n
t
herm 4
p
le
p
rogram sta
r
e
same time
,
t
produces
a
e
riod of time
,
p
eed is corre
c
s
the gas val
d
.
n
in the com
b
f
there is a c
o
k indicates t
h
t
omatic burn
s
play shows
ve supplies
g
s
off the gas
i
ng
c
trode
c
trode
n
tle
r
ts, a reques
t
,
a signal fro
low pressu
r
the controll
e
c
t, the high-
v
ve. The fan
d
b
ustion cha
m
o
rrect flame,
h
at the fan s
er control u
n
an error me
s
g
as to the g
a
supply.
Funct
i
Define
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d
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Divert
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Pleas
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had ti
m
Distrib
55
t
for heat is
s
m the contr
o
r
e in the inta
k
e
r checks w
h
v
oltage igniti
d
raws in the
m
ber genera
t
the automa
t
peed has n
o
n
it makes up
s
sage.
a
s valve. If a
i
on
e
d ground for i
dard current
d
m
onitoring: c
u
s
the ignition
s
e
note: When
m
e to cool do
w
utes the gas/
a
s
ent by the
c
o
ller activate
s
k
e pipe.
h
ether the s
p
on system i
s
gas and for
c
t
es a current
t
ic burner co
o
t been reac
h
to three att
e
n electrome
c
o
nization mo
n
d
uring operati
o
u
rrent > 1µA =
s
park to a defi
working with
w
n sufficiently
a
ir mixture (pr
o
c
ontroller to t
s
the fan mo
t
p
ecified fan
s
s
activated a
n
c
es it into th
e
flow to the
a
ntrol unit th
e
h
ed, the app
l
e
mpts to rep
e
c
hanical saf
e
n
itoring:
o
n = 24µA
flame presen
n
ed point.
the ignition el
e
--> risk of bre
o
duces an en
c
t
he automati
c
tor at a defi
n
s
peed has b
e
n
d the auto
m
e
combustio
n
a
utomatic bu
e
n signals th
i
liance goes
i
e
at the igniti
o
e
ty thermost
a
n
t
ectrode, mak
e
e
akage
closed burne
r
c
burner
n
ed speed.
e
en
m
atic burner
n
chamber
rner control
s to the
i
nto an error
o
n process.
a
t trips then
e
sure it has
r
structure)