
34
Ma
in
p
o
w
e
r ON
.
P
o
w
e
r s
u
pp
lied
t
o
B
o
iler
Co
n
tro
l a
n
d
Hi
g
h
L
im
it
Sw
itc
h
B
u
rn
e
r ca
bl
e pl
ug
ge
d in
.
P
o
we
r s
u
p
p
lie
d
to
O
il P
re
h
e
a
te
r
T
h
e
rm
o
st
at
an
d O
il
P
ri
m
ar
y
C
o
n
tr
o
l.
G
re
e
n
I
n
di
cat
o
r Li
gh
t O
N
.
O
il P
rehe
at
er
T
her
m
o
st
at
act
ivat
e
s t
h
e he
at
er
el
em
e
n
t
a
n
d
w
a
rm
s t
h
e he
at
er
bl
oc
k t
o
140
°
O
il P
reh
ea
te
r T
h
e
rm
o
st
at
cy
c
le
s
h
e
at
e
r e
le
m
en
t an
d m
a
in
ta
in
s he
at
er
b
lo
c
k t
e
m
p
er
at
ur
e
P
rov
in
g
S
w
it
c
h
cl
os
e
s
w
h
en
t
h
e
he
at
er
bl
oc
k
te
m
p
er
at
ur
e
r
e
ach
e
s
1
2
0
°.
T
h
e
R
E
D
w
ir
e
go
in
g t
o
t
he
O
il
P
rim
ar
y
C
o
n
tr
o
l
is e
ne
rg
iz
ed
.
P
ro
v
in
g S
w
it
ch
r
e
m
a
in
s cl
os
ed a
n
d t
h
e
R
E
D
wire
g
o
in
g
to
t
h
e
O
il Pr
im
a
ry
Co
n
tro
l
rem
a
in
s
en
e
rgi
ze
d
Wa
ll t
h
er
m
o
s
ta
t c
a
lls
fo
r
he
at
. Th
e T
-T
ci
rc
ui
t cl
os
es
O
il
P
ri
m
a
ry
C
o
nt
ro
l
che
c
ks
fo
r hi
gh o
h
m
s
si
gn
al
f
ro
m
t
h
e
c
a
d c
e
ll in
di
c
a
ti
ng
N
O
FL
AM
E in
th
e
c
o
m
b
u
s
tio
n
cha
m
be
r
Oi
l P
ri
m
a
ry
Co
n
tro
l
re
la
y
cl
ose
s
.
B
u
rn
er
ig
ni
ti
on
se
qu
enc
e
be
gi
ns
Ig
ni
te
r st
ar
ts
pr
ov
id
in
g
in
te
rru
p
te
d i
g
ni
ti
o
n
(
3
0 se
co
nds
of
s
p
a
rk
a
t t
h
e
el
ec
tr
od
e
ga
p)
Air
So
le
n
o
id
o
p
e
n
s
B
u
rn
e
r M
o
to
r
(s
u
p
p
ly
in
g
co
mbu
s
ti
o
n
ai
r)
st
a
rt
s
A
ir
p
ressu
re
sw
it
c
h
cl
ose
s
as
i
t r
e
cei
v
es
m
o
re
th
an
1
0
ps
i of
ai
r
pr
e
ssu
re
.
A
ir
P
re
s
su
re
S
w
it
c
h
se
nds
p
o
w
e
r t
o
th
e
P
u
m
p
C
ir
c
ui
t R
e
la
y.
C
e
nt
ri
fu
gal
S
w
it
ch
cl
os
es an
d se
nd
s pow
e
r
to
A
ir P
re
s
s
u
re
S
w
it
c
h
Pu
m
p
C
irc
u
it
Re
la
y
c
lo
s
e
s
by
r
e
c
e
iv
in
g
pow
e
r f
rom
t
h
e
v
a
lv
e
c
ir
c
ui
t (
p
ur
pl
e w
ir
e
) o
n
the
O
il P
rim
a
ry
C
o
nt
ro
l
F
la
m
e es
ta
bl
is
hed
in
c
o
m
b
ust
ion
cha
m
be
r
O
il P
rim
ar
y
C
o
n
tr
o
l
re
ce
iv
es <
4
00
ohm
s
ig
n
a
l
fr
om
ca
d ce
ll
in
di
cat
ing
b
rig
ht
f
lam
e
B
u
rn
er
co
nt
in
ue
s
t
o
ru
n un
ti
l t
h
e
w
a
ll
th
e
rmost
a
t i
s
sat
isf
ie
d
Wa
te
r Tem
per
a
tu
re
be
gi
ns
t
o
r
ise
W
a
ll t
her
m
o
st
at
sa
ti
sf
ie
d a
n
d T
-T
ci
rc
u
it
ope
ns
O
il P
rim
a
ry
Co
n
tr
o
l re
la
y
o
p
e
n
s
s
h
u
tti
n
g
o
ff
th
e
o
il
pu
m
p
an
d t
h
e
b
u
rne
r
b
e
g
in
s
t
h
e po
st
pu
rge cy
cl
e
C
o
m
b
us
ti
on
a
ir
bl
ow
er
an
d
ai
r p
res
s
u
re
so
le
no
id
r
e
m
a
in
po
w
e
re
d
f
o
r
1
5
sec
.
C
ir
c
ul
at
o
r co
nt
in
ue
s
t
o
ru
n coo
lin
g
dow
n
t
h
e
bo
iler
w
a
te
r t
e
m
pe
ra
tu
re
PO
S
T
-
PUR
G
E
IN
IT
IA
L
S
TA
R
T
-U
P
NORM
AL
OPE
R
AT
IO
N
INI
T
IA
L
STA
R
T-U
P
NO
RM
AL
O
P
ERAT
IO
N
Oi
l P
u
mp
s
ta
rt
s
an
d de
live
rs
f
u
el
to
t
h
e
bu
rn
er
CE7
0
0
89
OF
OP
E
R
AT
IO
N
BOI
L
E
R
SEQ
U
EN
C
E
B
o
iler
c
ir
c
u
la
tor
be
g
in
s
t
o
d
e
liv
e
r h
o
t wa
te
r to
t
h
e
bu
ildi
ng
Summary of Contents for CE-340
Page 2: ...7 3 13 Part 70006 Underwriters Laboratories File MH48829 ...
Page 35: ...BOILER DIMENSIONS 35 57 5 42 5 67 with Burner 34 0 CE70077 50 ...
Page 40: ...40 1 4 12 6 15 9 10 14 3 2 11 5 13 8 7 Nozzle Adapter Heater Block Assembly ...
Page 42: ...42 2 5 7 6 4 5 3 12 11 9 8 10 1 CE70058 CE 4 Manifold Block Assembly ...