CLEAN BURN CB-500 series, Operator'S Manual

Page: 90 / 122

Operator's Manual: Models CB-1500 & CB-2500 (230 V / 50 Hz)
10-2
Ma
in
po
w
e
r
ON
se
nd
ing pow
er
to
cen
tr
ifu
ga
l sw
itc
h
an
d b
o
th
hi
gh
lim
it
sw
itch
es
.
B
ur
n
er
c
abl
e
pl
ugg
ed i
n.
G
ree
n i
ndi
ca
tor
light O
N
.
P
reheat
er t
her
m
os
tat
ac
tiv
at
es
450
wat
t b
lo
ck
heat
er e
lem
ent
and
heat
s t
he b
loc
k t
o 60
°C (1
40
°F
).
INI
T
IAL STA
R
T-UP
P
reh
ea
ter
th
er
m
os
tat
cy
cl
es
450
w
at
t b
lo
ck
heat
er
e
lem
ent
and
m
a
in
tain
s 6
0
°
C
(
140
°F
)
bl
oc
k tem
per
atu
re
.
NORM
A
L BURNER OPERAT
ION
When
blo
ck
te
mp
er
at
ur
e r
ea
ch
es
49
°C
(1
20 °
F
) , t
he F
120
pr
ov
in
g s
w
itch
c
lo
ses
an
d se
nd
s p
ow
er
to th
e o
il p
rim
ar
y c
on
tr
ol.
F1
20
pr
ov
ing s
w
itc
h r
ema
in
s c
los
ed
a
nd
oi
l
pr
im
ar
y c
ont
rol
has
po
w
er
.
O
il p
rim
ar
y c
ontr
o
l c
h
ec
ks
fo
r
20
00+
oh
ms
fr
om
cad
c
el
l
ind
ica
tin
g d
ar
k in
t
he c
omb
us
tion
cham
be
r (
N
O
FL
A
M
E
)
B
U
RNER PRE-IGNIT
ION SEQUENCE
O
il p
rim
ar
y c
ontr
ol r
ela
y c
lo
ses
.
B
u
rne
r ig
ni
tion
se
q
ue
nc
e
be
gi
ns.
B
U
RNER IGNIT
ION SEQUENCE
14
,00
0
v
o
lt igni
ter
st
ar
ts
,
pr
ov
id
in
g In
ter
upt
ed
(15 se
c.
) spa
rk at
el
ec
tr
od
e g
a
p.
Air s
ole
no
id
op
ens
.
INITI
A
L STAR
T-UP
A
ir r
egula
tor
adj
us
ted
to
pr
oper
air
pr
es
sur
e.
A
ir se
ns
ing
sw
itch
c
los
es
as
it
rec
e
iv
es
m
o
re
th
an
0.7 b
ar
(
10
psi
) of
ai
r
pr
es
sur
e.
Pum
p
c
irc
ui
t s
tar
ts
oil
pu
mp
.
Y
e
llow
indic
ato
r
lig
ht
O
N
.
P
u
m
p
c
irc
ui
t op
en
s
oil
s
ole
no
id
.
A
ir se
ns
ing
sw
itc
h
re
ce
iv
es
p
o
w
e
r fr
om
cen
tr
ifu
ga
l sw
itc
h.
IN
ITIAL START-U
P
C
o
mb
us
tio
n
ai
r ba
nd
a
dj
us
te
d
for
p
rop
er
c
o
m
b
us
tion a
ir.
C
ent
ri
fu
gal
sw
itch
cl
os
es
a
nd
sen
ds
po
w
er
to
air
se
ns
in
g
sw
itch
.
Bu
rner
m
otor s
ta
rts
an
d
reac
he
s f
ull
r
pm
.
B
u
rn
er
igni
tes
.
O
il p
rim
ar
y c
ont
rol
re
ce
iv
e
s <
5
00
o
hm
s
igna
l
fr
om
c
ad c
e
ll in
dic
atin
g
pr
oper
ign
iti
on
.
B
u
rner
con
tin
ues
to
r
un
un
til the
wal
l the
rm
os
tat
is
s
atis
fie
d.
F
URNACE HEAT
IN
G
S
E
QUENC
E
B
low
er
sw
itch
on
co
mb
us
tion
ch
am
ber
sen
se
s
te
m
per
at
ur
e
rise
as the bur
ner
f
ir
es
.
B
low
er
s
w
itc
h
s
ens
es
O
N
tem
per
atur
e of
82
°C
(
1
80
°
F
)
an
d B
lo
w
er
s
w
itc
h
c
lo
ses
.
B
low
e
r sw
itch
se
nd
s p
ow
e
r
to m
o
to
r,
a
nd
blow
er
s
ta
rts
.
W
a
ll t
h
er
mo
st
at
is
sa
tisf
ie
d a
nd T
cir
cui
t op
en
s.
P
rim
ar
y co
ntr
ol r
ela
y
op
ens
an
d th
e bu
rn
er
sh
uts
o
ff.
B
low
e
r co
nt
in
ue
s t
o
r
u
n
to
dr
iv
e
late
nt h
eat
fr
om
the
hea
t e
xc
han
ge
r.
B
low
e
r sw
itch
s
en
ses
O
F
F t
e
mp
er
a
tur
e of
71 °
C
(
16
0 °
F
) an
d B
lo
w
er
sw
itch
op
en
s.
B
lo
w
e
r s
top
s r
u
nn
in
g.
F
URNACE COOL
DOW
N SEQUENCE
W
a
rm
ai
r de
liv
er
e
d
to
hea
ted
ar
ea
.
H
our
m
e
te
r s
tar
ts
.
Wall
the
rm
o
st
at
c
a
lls
fo
r h
ea
t an
d
clos
es
24
V
the
rm
o
st
at
.
F
L
O
W
CH
ART
23
0
V
/ 5
0 H
z
I8
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