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U
PDX
SE
RV
I
C
E
PR
O
C
E
D
U
R
E
IV
Blower Testing and
R
eplacement
Step 1
.
P
osition
gas
c
ontrol
p
ower
swit
c
h
to
the
“
OFF
”
p
osition
.
Step 2
.
Unplug blower power cord from wall outlet
.
Step 3
.
Disconnect vent system from exhaust adapter on top of
blower
.
Step 4
.
Remove exhaust adapter from blower (blade screw driver)
and retain for use on new blower
Step 5
.
Unplug cord sets from blower
.
Step 6
.
Remove vertical air inta
k
e brac
k
et
.
Step 7
.
Disconnect vertical air inta
k
e from blower
.
Step 8
.
Remove the three blower mounting screws
(
¼"
nut driver)
.
Step 9
.
Remove blower with gas
k
et from water heater
.
Blower
Mountin
g
Screws
Blower
Cord
Sets
Step 10
.
Clean any debris from
j
ac
k
et head of water heater
.
Step 11
.
Set new blower with gas
k
et in place using locating pins on
blower flange to line up with location holes in
j
ac
k
et head
.
Be sure not to damage gas
k
et
.
Step 12
.
Secure blower in place using mounting screws from step 8
.
Step 13
.
Slide vertical air inta
k
e tee onto blower
.
Step 14
.
Re
-
install vertical air inta
k
e brac
k
et
.
Step 15
.
Re
-
install exhaust adapter from step 4
.
Step 16
.
Reconnect vent system to exhaust adapter
.
Step 17
.
Reconnect cord sets from step 5
.
Step 18
.
Plug blower power cord into wall outlet
.
Step 19
.
P
osition
gas
c
ontrol
p
ower
swit
c
h
to
the
“
ON
”
p
osition
.
Step 20
.
Verify proper blower operation
.
Locatin
g P
ins
on
Blower
Flan
g
e
P
in
Location
Holes
in
J
acket
Head
Remove
Exhaust
Adapter
and
Retain
for
Use
on
New
Blower.
Blower Removal
Blower
I
nstallation
P
a
g
e
22
U
PD
X
Se
r
ie
s
Vertical
Air
Intake
Bracket
Vertical
Air
Intake
Gas
Control
shown
in
the
“OFF”
P
osition
22
Содержание UPDX series
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