18-DE01D1-8 19
Installer’s Guide
- A
d
j
u
s
t
i
n
g
t
h
e
f
u
e
l
p
u
m
p
p
r
e
ss
u
r
e
-
S
e
tt
i
n
g
t
h
e
d
r
a
f
t
co
n
t
r
o
l
NOTICE: This oil furnace must be installed and ad-
justed by qualified oil heating dealers using calibrated
combustion test instruments to ensure safe and reli-
able operation of the furnace.
FUEL SYSTEM INSTALLATION
I
n
s
i
t
u
a
t
i
o
n
s
w
h
e
r
e
t
h
e
o
il
s
t
o
r
a
g
e
t
a
n
k
i
s
i
n
s
t
a
ll
e
d
a
t
t
h
e
s
a
m
e
l
e
v
e
l
w
i
t
h
,
o
r
a
b
o
v
e
,
t
h
e
b
u
r
n
e
r
,
a
s
i
n
g
l
e
o
il
s
u
pp
l
y
li
n
e
r
un
f
r
o
m
t
h
e
o
il
t
a
n
k
t
o
t
h
e
b
u
r
n
e
r
w
ill
u
s
u
-
a
ll
y
b
e
a
d
e
q
u
a
t
e
.
N
o
r
e
t
u
r
n
li
n
e
w
ill
b
e
r
e
q
u
i
r
e
d
.
I
f
t
h
e
o
il
t
a
n
k
i
s
i
n
s
t
a
ll
e
d
b
e
l
o
w
t
h
e
b
u
r
n
e
r
a
n
d
t
h
e
li
f
t
e
x
-
c
ee
d
s
a
pp
r
o
x
i
m
a
t
e
l
y
8
-f
t
.,
a
n
o
il
s
u
pp
l
y
li
n
e
a
n
d
a
n
o
il
r
e
t
u
r
n
li
n
e
a
r
e
n
e
c
e
ss
a
r
y
.
S
ee
F
i
g
u
r
e
14
a
n
d
15.
R
e
f
e
r
t
o
t
h
e
S
t
a
n
d
a
r
d
fo
r
t
h
e
I
n
s
t
a
ll
a
t
i
o
n
of
O
il
-
B
u
r
n
i
n
g
E
q
u
i
p
m
e
n
t
,
N
FP
A
31
-
2001,
a
n
d
t
h
e
o
il
b
u
r
n
e
r
o
p
e
r
a
t
i
n
g
i
n
s
t
r
u
c
t
i
o
n
s
fo
r
d
e
t
a
il
e
d
i
n
fo
r
m
a
t
i
o
n
o
n
o
il
s
t
o
r
a
g
e
t
a
n
k
&
o
il
s
u
pp
l
y
/
r
e
t
u
r
n
li
n
e
i
n
s
t
a
ll
a
t
i
o
n
.
NOTICE
:
We recommend installing a high e
ff
i-
ciency oil
f
ilter, in the oil supply line, capable o
f
f
il-
tering 10 to
2
0 micron diameter (or pre
f
erably
smaller) particles
f
rom the
f
uel.
I
f
a
v
a
il
a
b
l
e
,
the use o
f
ultra-low or low sul
f
ur (less
than 0.001
5
%
S and 0.001
5
- 0.0
5
%
S, by weight, re-
spectively), no.
2
f
uel oil is highly recommended.
L
o
w
s
u
l
f
u
r
f
u
e
l
o
il
c
a
n
h
e
l
p
t
o
s
i
g
n
i
f
i
c
a
n
t
l
y
r
e
d
u
c
e
i
n
-
s
t
a
n
c
e
s
of
b
l
oc
k
a
g
e
a
n
d
co
rr
o
s
i
o
n
of
t
h
e
o
il
b
u
r
n
e
r
f
u
e
l
d
e
li
v
e
r
y
s
y
s
t
e
m
(
e
s
p
e
c
i
a
ll
y
t
h
e
n
o
zz
l
e
)
,
t
h
e
f
u
r
n
a
c
e
h
e
a
t
e
x
c
h
a
n
g
e
r
,
a
n
d
t
h
e
f
l
u
e
g
a
s
v
e
n
t
i
n
g
s
y
s
t
e
m
.
A
i
r
p
o
ll
u
t
-
a
n
t
s
e
m
i
tt
e
d
b
y
t
h
e
f
u
r
n
a
c
e
a
n
d
t
h
e
t
y
p
i
c
a
l
m
a
l
o
d
o
r
o
u
s
s
m
e
ll
of
o
il
co
m
b
u
s
t
i
o
n
w
ill
b
e
r
e
d
u
c
e
d
.
Connect
f
uel lines
C
a
r
e
f
u
ll
y
fo
ll
o
w
t
h
e
f
u
e
l
un
i
t
m
a
nu
f
a
c
t
u
r
e
r
’
s
li
t
e
r
a
t
u
r
e
a
n
d
t
h
e
l
a
t
e
s
t
e
d
i
t
i
o
n
of
N
FP
A
31
fo
r
o
il
s
u
pp
l
y
s
y
s
t
e
m
s
p
e
c
i
f
i
c
a
t
i
o
n
s
.
F
u
e
l
un
i
t
s
w
i
t
h
a
u
t
o
m
a
t
i
c
b
y
p
a
ss
d
o
n
o
t
r
e
q
u
i
r
e
a
b
y
-
p
a
ss
p
l
u
g
.
T
h
e
b
u
r
n
e
r
f
u
e
l
un
i
t
i
s
s
h
i
pp
e
d
w
i
t
h
o
u
t
t
h
e
b
y
p
a
ss
p
l
u
g
i
n
s
t
a
ll
e
d
.
Y
o
u
m
u
s
t
i
n
s
t
a
ll
t
h
i
s
p
l
u
g
o
n
t
w
o-
p
i
p
e
o
il
s
y
s
t
e
m
s
.
WARNING
!
DO NOT install the bypass plug in the fuel unit if con-
nected to a one-pipe oil system.
Failure to comply could cause fuel unit seal failure, oil
leakage and potential fire and injury hazard.
Fuel supply level with or above burner –
T
h
e
b
u
r
n
e
r
i
s
f
a
c
t
o
r
y
e
q
u
i
pp
e
d
w
i
t
h
a
s
i
n
g
l
e
-
s
t
a
g
e
f
u
e
l
un
i
t
.
C
o
nn
e
c
t
t
h
e
f
u
e
l
s
u
pp
l
y
t
o
t
h
e
b
u
r
n
e
r
w
i
t
h
a
s
i
n
g
l
e
s
u
pp
l
y
li
n
e
i
f
y
o
u
w
a
n
t
a
o
n
e
-
p
i
p
e
s
y
s
t
e
m
(making sure the bypass plug is NOT installed in
the
f
uel unit.)
M
a
nu
a
l
v
e
n
t
i
n
g
of
t
h
e
f
u
e
l
un
i
t
i
s
r
e
q
u
i
r
e
d
o
n
i
n
i
t
i
a
l
s
t
a
r
t
-
u
p
.
I
f
co
nn
e
c
t
i
n
g
a
t
w
o-
p
i
p
e
f
u
e
l
s
u
pp
l
y
,
i
n
s
t
a
ll
t
h
e
f
u
e
l
un
i
t
b
y
p
a
ss
p
l
u
g
.
T
h
e
o
il
s
u
pp
l
y
i
n
l
e
t
p
r
e
ss
u
r
e
t
o
t
h
e
f
u
e
l
un
i
t
c
a
nn
o
t
e
x
c
ee
d
3
p
s
i
.
I
n
s
t
a
ll
a
p
r
e
ss
u
r
e
-
li
m
i
t
i
n
g
d
e
v
i
c
e
i
n
a
cco
r
d
a
n
c
e
w
i
t
h
N
FP
A
31.
E
x
a
m
p
l
e
:
B
u
r
n
e
r
i
s
a
t
s
a
m
e
l
e
v
e
l
o
r
b
e
l
o
w
t
h
e
l
e
v
e
l
of
t
h
e
o
il
t
a
n
k
.
WARNING
Fuel supply below the level o
f
the burner –
W
h
e
n
t
h
e
f
u
e
l
s
u
pp
l
y
i
s
b
e
l
o
w
t
h
e
l
e
v
e
l
of
t
h
e
b
u
r
n
e
r
,
a
t
w
o-
p
i
p
e
f
u
e
l
s
u
pp
l
y
s
y
s
t
e
m
i
s
r
e
q
u
i
r
e
d
.
S
ee
F
i
g
u
r
e
15.
D
e
p
e
n
d
i
n
g
o
n
t
h
e
f
u
e
l
li
n
e
d
i
a
m
e
t
e
r
a
n
d
h
o
r
i
z
o
n
t
a
l
a
n
d
v
e
r
t
i
c
a
l
l
e
n
g
t
h
,
t
h
e
i
n
s
t
a
ll
a
t
i
o
n
m
a
y
a
l
s
o
r
e
q
u
i
r
e
a
t
w
o-
s
t
a
g
e
p
u
m
p
.
C
o
n
s
u
l
t
t
h
e
f
u
e
l
un
i
t
li
t
e
r
a
t
u
r
e
fo
r
li
f
t
a
n
d
v
a
c
uu
m
c
a
p
a
b
ili
t
y
.
Fuel line installation –
•
C
o
n
t
i
nu
o
u
s
l
e
n
g
t
h
s
of
h
e
a
vy
w
a
ll
co
pp
e
r
t
u
b
i
n
g
a
r
e
r
e
co
mm
e
n
d
e
d
.
Always use
f
lare
f
ittings. Never
use compression
f
ittings.
•
A
l
w
a
y
s
i
n
s
t
a
ll
f
i
tt
i
n
g
s
i
n
a
cc
e
ss
i
b
l
e
l
oc
a
t
i
o
n
s
.
F
u
e
l
li
n
e
s
s
h
o
u
l
d
n
o
t
r
un
a
g
a
i
n
s
t
t
h
e
a
pp
li
a
n
c
e
o
r
t
h
e
c
e
il
-
i
n
g
j
o
i
s
t
s
(
t
o
a
v
o
i
d
v
i
b
r
a
t
i
o
n
n
o
i
s
e
)
.
Never
u
s
e
T
e
f
l
o
n
t
a
p
e
o
n
a
n
y
f
u
e
l
f
i
tt
i
n
g
.
T
a
p
e
f
r
a
g
m
e
n
t
s
c
a
n
l
o
d
g
e
i
n
f
u
e
l
li
n
e
co
m
p
o
n
e
n
t
s
a
n
d
f
u
e
l
un
i
t
,
d
a
m
a
g
i
n
g
t
h
e
e
q
u
i
p
m
e
n
t
a
n
d
p
r
e
v
e
n
t
i
n
g
p
r
o
p
e
r
o
p
e
r
a
t
i
o
n
.
WARNING
Fuel line valve and
f
ilter –
•
I
n
s
t
a
ll
t
w
o
h
i
g
h
q
u
a
li
t
y
shuto
ff
valves
i
n
a
cc
e
ss
i
b
l
e
l
oc
a
t
i
o
n
s
o
n
t
h
e
o
il
s
u
pp
l
y
li
n
e
.
L
oc
a
t
e
o
n
e
c
l
o
s
e
t
o
t
h
e
t
a
n
k
a
n
d
t
h
e
o
t
h
e
r
c
l
o
s
e
t
o
t
h
e
b
u
r
n
e
r
,
u
p
s
t
r
e
a
m
of
t
h
e
f
il
t
e
r
.
S
o
m
e
s
t
a
t
e
s
r
e
q
u
i
r
e
t
h
e
s
e
v
a
l
v
e
s
t
o
b
e
f
u
s
i
b
l
e
-
h
a
n
d
l
e
d
e
s
i
g
n
fo
r
p
r
o
t
e
c
t
i
o
n
i
n
t
h
e
e
v
e
n
t
of
f
i
r
e
.
W
e
r
e
co
mm
e
n
d
t
h
i
s
a
s
g
oo
d
i
n
d
u
s
t
r
y
p
r
a
c
t
i
c
e
fo
r
a
ll
i
n
s
t
a
ll
a
t
i
o
n
s
.
r
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