CLEAN BURN CB-200-CTB, Operator'S Manual

Page: 102 / 148

Coil Tube Boiler Operator's Manual: Models CB-200-CTB, CB-350-CTB, and CB-500-CTB
11-2
Ma
in
p
o
w
e
r O
N
se
nd
in
g p
o
w
e
r
to
ce
nt
rif
ug
al
s
w
itch
an
d l
ow
w
a
te
r
cu
t-
of
f
Bur
ner
c
a
bl
e
pl
ug
ge
d in
.
G
ree
n i
ndi
ca
to
r
ligh
t O
N
.
Pr
ehe
at
er
th
er
m
o
st
at
ac
tiv
a
te
s bl
oc
k
he
at
e
r el
e
m
en
t an
d h
ea
ts
th
e
bl
ock
.
IN
ITIA
L S
T
ART
-UP
P
reh
ea
te
r th
er
m
o
sta
t c
ycl
e
s bl
ock
h
eat
e
r e
le
m
en
t a
nd m
a
in
ta
in
s bl
o
ck
te
m
per
atu
re
.
NORMAL
B
URNER
O
P
ERAT
ION
Wh
en
bl
oc
k t
e
m
per
at
ur
e r
e
ac
he
s 12
0
°F
, t
h
e
F1
20
p
rovi
n
g sw
itc
h cl
ose
s w
hi
ch
w
ill
al
lo
w
po
w
er
to
b
e
se
nt t
o
the
oi
l pr
im
ar
y c
ont
ro
l.
F1
20
p
rovi
n
g sw
itc
h r
e
m
a
in
s cl
os
ed
a
nd
o
il
pr
im
ar
y c
on
tr
o
l r
e
cei
ves
p
ow
e
r w
h
en
the
flow
sw
itc
h cl
ose
s.
O
il
p
rim
a
ry co
nt
ro
l che
cks
fo
r
20
00+
oh
m
s
fr
om
ca
d c
e
ll
in
dic
atin
g
da
rk
in
the
co
m
bus
tion
ch
am
ber
(
N
O
FLA
M
E)
BU
RNER P
R
E-IGN
IT
IO
N
SEQUE
NCE
O
il
p
rim
a
ry co
nt
ro
l r
el
a
y cl
o
se
s.
Bu
rn
er
ig
ni
tio
n
se
qu
en
ce
b
e
gi
ns
.
BU
R
N
ER I
G
NITI
ON SE
Q
U
ENCE
14
,0
00
v
o
lt ig
ni
te
r s
tart
s,
p
rov
idi
n
g in
te
rr
upt
e
d
ig
nit
io
n
(
a
pp
ro
x.
45 se
c.
of
s
p
ar
k at
e
le
ct
rod
e
ga
p)
A
ir s
o
le
no
id
o
pen
s.
INIT
IAL
ST
ART
-UP
A
ir re
gu
la
to
r
ad
ju
st
ed
to
pr
op
er
p
si
o
f a
ir
pr
es
su
re
.
A
ir se
n
si
n
g sw
itch cl
os
es
as
it
r
ece
iv
es
m
o
re
th
an
10
p
si
of
ai
r p
re
ss
ur
e
.
Pu
m
p
c
irc
ui
t
st
ar
ts
oi
l pu
m
p
.
Ye
llow
in
di
ca
to
r
light
O
N
.
P
um
p
c
irc
u
it
op
ens
o
il s
ol
en
oi
d.
Air
s
ens
in
g s
w
itch
re
ce
iv
es
p
ow
e
r
fr
o
m
ce
nt
rif
u
ga
l sw
itc
h.
INIT
IAL
ST
ART
-UP
C
o
m
b
ust
ion
a
ir
ba
nd
a
dj
us
te
d
fo
r pr
oper
c
o
m
b
us
tio
n
ai
r.
C
ent
rif
u
ga
l sw
itc
h cl
os
es
a
nd
se
nd
s po
w
er
to
a
ir se
ns
in
g
sw
itc
h.
Bu
rn
er m
oto
r s
tar
ts
a
nd
re
ac
he
s f
ul
l r
p
m
.
Burn
er
ig
ni
te
s.
O
il pr
im
ar
y
co
nt
ro
l
re
ce
iv
es
<
50
0
o
h
m
si
gn
al
fr
om
ca
d ce
ll i
ndi
ca
tin
g
pr
op
er
ig
ni
tio
n
.
Bu
rn
er
co
nti
n
ue
s
to
r
un
un
til
th
e
w
a
ll t
h
er
m
o
st
at
o
r aq
ua
st
a
t is
s
at
isfi
e
d.
BOIL
ER HEA
T
ING
SEQUE
NCE
O
p
er
at
in
g A
q
ua
st
at
s
ens
es
w
ate
r
te
m
p
er
at
ur
e r
ise
a
s t
he
bu
rn
er
fi
re
s.
P
ri
m
ar
y co
nt
ro
l r
e
la
y
op
en
s an
d th
e
bur
ne
r
sh
ut
s o
ff.
B
oi
le
r
lo
op
c
irc
u
lat
o
r co
nt
in
ue
s to
r
un
to
dr
iv
e l
a
tent
he
at
fro
m
th
e CT
B.
Th
e De
la
y R
e
la
y k
e
ep
s th
e
bo
iler
lo
op
ci
rc
ul
ato
r o
p
er
at
ing
a
p
pr
ox
im
at
el
y
te
n
m
inu
tes
a
fte
r th
e
ca
ll fo
r h
e
at
is
s
at
is
fie
d.
Bo
iler
lo
op
c
ir
cu
lat
or
st
op
s r
un
ni
ng
.
BOIL
ER COOL
DOW
N
SE
QUENC
E
H
our
m
e
te
r
sta
rt
s.
W
al
l t
h
er
m
o
st
at
o
r
aq
ua
st
at c
a
lls
fo
r
he
at
.
FLO
W CHA
R
T
2
00/3
50/5
00 CTB
12
0 V / 6
0 Hz
T-
T
c
ir
cu
it
on
th
e oil
pr
im
ar
y
co
nt
ro
l is
cl
os
ed
De
la
y Re
la
y
and
th
e
Boi
le
r
L
oo
p C
irc
ul
at
or
ar
e e
ner
gi
ze
d
DPD
T
Re
la
y
is
en
er
gi
ze
d
Fl
ow
Sw
ith
cl
os
es
Ho
t wa
te
r
de
liv
e
re
d
to hea
te
d ar
ea
.
W
a
ll t
h
er
m
o
st
at
or
aq
ua
sta
t is
s
a
tis
fie
d
a
nd D
P
D
T
r
el
ay
c
irc
u
it op
en
s.
I88963-A