Pressure
S
witch Replacement
W
AR
N
I
N
G
11
5
volt potential e
x
posure. Use caution
to avoi
d
personal injur
y
.
S
t
e
p 6.
R
e
conn
e
c
t
wi
r
e
s
f
r
om
st
e
p 5
t
o n
e
w p
r
e
ss
u
r
e
s
wi
t
ch.
S
t
e
p 7.
R
e
conn
e
c
t t
ubing
t
o n
e
w p
r
e
ss
u
r
e
s
wi
t
ch.
S
t
e
p 8.
C
a
r
e
fully po
s
i
t
ion p
r
e
ss
u
r
e
s
wi
t
ch in
t
o blow
e
r
hou
s
ing.
S
t
e
p 9.
Position gas control power switch to “ON” position and verify proper heater operation
.
S
t
e
p 10.
R
e
pl
a
c
e
con
tr
ol
a
cc
e
ss
cov
e
r
f
r
om
st
e
p
2
.
S
t
e
p 1.
Po
s
i
t
ion g
a
s
con
tr
ol pow
e
r s
wi
t
ch
t
o
the “OFF” position
.
S
t
e
p
2
.
R
e
mov
e
t
h
e
t
h
r
ee
s
c
r
e
w
s
(Phillip
s s
c
r
e
w d
r
iv
e
r
) f
r
om con
tr
ol
a
cc
e
ss
cov
e
r
on blow
e
r
a
ss
e
mbly
a
nd
r
e
mov
e
cov
e
r
(
s
ee
pho
t
o
s
4
a
nd 5).
P
ressure
Switch
Slide
pressure
switch
in
direction
of
arrow
while
tiltin
g
sli
g
htly
away
from
blower
housin
g
.
S
t
e
p 3.
C
a
r
e
fully
r
e
mov
e
p
r
e
ss
u
r
e
s
wi
t
ch f
r
om blow
e
r
hou
s
ing (
s
ee
pho
t
o 6).
S
t
e
p 4.
Di
s
conn
e
c
t t
ubing f
r
om
p
r
e
ss
u
r
e
s
wi
t
ch
(
s
ee
pho
t
o 7).
S
t
e
p 5.
Di
s
conn
e
c
t
y
e
llow wi
r
e
s
f
r
om p
r
e
ss
u
r
e
s
wi
t
ch
(
s
ee
pho
t
o 8).
U TT
W
SERVI
C
E PRO
C
EDURE
I
V
P
ressure Switch Testing and
R
eplacement
P
a
g
e
2
1
5
6
7
8
Control
Access
Cover
Screws
4
R
21
