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OPTIONAL BLOWER INSTALLATION INSTRUCTIONS
Installing Blower Using Three-Prong Plug
1.
Install furnace according to Installation Instructions and Owner's
Manual.
2.
Refer to Drawing for measurements to locate (2) mounting
holes on wall surface above furnace.
On Solid Wall
3.
After locating mounting holes, attach (2) #10 x 1 1/2" screws
provided in blower kit into wall. Do not completely tighten
screwheads to wall, leave a 7/16" gap between screwheads
and wall.
On Sheet Rock Wall
3.
After locating mounting holes, drill (2) 5/16" diameter holes into
wall. Insert the (2) plastic expansion anchors into holes. Insert
(2) #10 x 1 1/2" screws provided in blower kit into (2) plastic
expansion anchors. Do not completely tighten screwhead
to plastic expansion anchors, leave a 7/16" gap between
screwheads and plastic expansion anchors. Refer to Figure
2.
4.
At the top of outer casing remove (1) screw from center
clearance hole that attaches outer casing to header assembly.
Also, remove (2) screws that attach bottom of outer casing to
inner casing.
5.
Pull the outer casing forward approximately 1 inch away from
wall surface.
6.
Remove (4) 8 x 3/8" screws that attach blower front to blower
housing.
Caution: When removing blower front be careful not to
damage motor coil wires. Damaged coil wires will disable
blower function.
7.
Position blower housing on top of header assembly and route
three-prong cord set between left side of outer casing and inner
casing.
Caution: Blower cord set routing is important. Cord set
should be in proper location to avoid being overheated.
Incorrect routing of cord set may result in damage to cord
set.
8.
Replace the outer casing to the wall surface.
9.
Attach outer casing to header assembly. Attention: The center
clearance hole will not be used. The two outside clearance
holes will be used to attach outer casing to header assembly,
(1) screw from Step 4 and (1) screw supplied in hardware
package. Refer to Figure 1.
32038-1-0314
GWTB-2 FOR MODELS
GWT-25 (SG, RB), GWT-35 (SG, RB), GWT-50 (SG, RB)
Figure 1
10. Attach outer casing to inner casing with (2) screws from Step
4.
11. Align key hole slots on back of blower housing with the (2)
screws attached to wall. Position blower housing flush with
wall surface and on top of outer casing. Complete tightening
blower housing screws from Step 3 to wall.
12. Attach caps and plugs from blower housing and blower front.
13. Attach blower front to blower housing with (4) 8 x 3/8" screws
from Step 6.
14. Installation of optional blower assembly is completed.
Caution: When installing blower housing onto wall be careful
motor coil is not damaged.
Installing Blower With Hard Wiring
1.
When facing the wall opening, install 120V electrical outlet
junction box inside wall opening on left wall stud approximately
12 inches above header plate.
2.
Refer to Drawing for measurements to locate access hole for
electrical wiring on wall surface.
3.
After locating access hole, drill a 1/2" hole into wall.
4.
Route enough field wiring from 120V electrical outlet junction
box through 1/2" access hole in wall for connection to blower
housing.
5.
Install furnace according to Installation Instructions and Owner's
Manual.
6.
Refer to Drawing for measurements to locate (2) mounting
holes on wall surface above the furnace.
On Solid Wall
7.
After locating mounting holes, attach (2) #10 x 1 1/2" screws
provided in blower kit into wall. Do not completely tighten
screwheads to wall, leave a 7/16" gap between screwheads
and wall.
On Sheet Rock Wall
7.
After locating mounting holes, drill (2) 5/16" diameter holes into
wall. Insert (2) plastic expansion anchors into holes. Insert
(2) #10 x 1 1/2" screws provided in blower kit into (2) plastic
expansion anchors. Do not completely tighten screwhead
to plastic expansion anchors, leave a 7/16" gap between
screwheads and plastic expansion anchors. Refer to Figure
2.
Figure 2
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