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INSTALLATION INSTRUCTIONS (CONT'D)
Locating Electric Supply
A 7/8" diameter knockout is provided at the bottom of the left and
right side panels. A three-prong (grounding) plug assembly is
located within the control compartment (bottom) of the furnace.
Please remove 7/8" knockout from appropriate side panel when
routing plug assembly to an electrical outlet.
Installation of Three-prong (Grounding) Plug Assembly
1.
Disconnect nylon cap on 3' plug assembly from nylon plug
on wiring harness. Remove 3' plug assembly from control
compartment (bottom) of the furnace.
2.
Remove 7/8" knockout from appropriate side panel.
3.
Insert nylon cap on 3' plug assembly into the 7/8" hole in the
side panel.
4.
Connect nylon cap on 3' plug assembly to nylon plug on the
wiring harness.
5.
Place 7/8" strain relief bushing around the cord of the 3' plug
assembly. Insert 7/8" strain relief bushing into the 7/8" hole in
the side panel.
Attention! The 7/8" strain relief bushing is located within
the same yellow envelope as the Installation Instructions and
Owner's Manual.
Attaching Furnace to Wall
Refer to Figure 4 for the location of the 7-1/2" diameter wall
opening for the furnace. After the wall opening has been located
and cut, position flue outlet on furnace in center of wall open-
ing. When attaching furnace to the wall remove that portion of
baseboard and molding on the wall which is behind the furnace.
Attach furnace to wall, at the outer casing top, with (2) toggle
bolts provided and to floor, at the outer casing bottom, with (2)
#10 x 1-1/2" screws provided.
Attention! The screw holes on the outer casing bottom are
off-set above the floor approximately 3/8". Do not over-tighten
screws and distort the off-set on the outer casing bottom. Distor-
tion of the outer casing bottom will not allow the lower front panel
to be attached to the furnace.
37403-5-0620
Figure 8
Cutting Vent Tubes
This is the most important part of the installation. With the
furnace installed on wall the 6" diameter air inlet tube and the 4"
diameter flue outlet tube are to be marked and cut using the fol-
lowing procedure.
1. Attach 6" diameter air inlet tube onto the collar of air drop as-
sembly. Be sure 6" diameter air inlet tube is placed as far as
possible onto the collar of the air drop assembly. Mark the 6"
diameter air inlet tube 1/2" beyond the outside wall. Remove
6" diameter air inlet tube from collar of air drop assembly.
2. Attach 4" diameter flue outlet tube onto flue outlet collar on
combustion chamber. Be sure 4" diameter flue outlet tube is
placed as far as possible onto the collar of flue outlet. Mark
the 4" diameter flue outlet tube 2-1/4" beyond the outside
wall. Remove 4" diameter flue outlet tube from collar of flue
outlet on combustion chamber.
3. Mark or wrap tape completely around the tubes at the
marked points to help in making a true cut. Do not crimp or
enlarge tubes.
Installing Vent Assembly
1.
Place caulking (not provided) beneath the edge of the
outside mounting plate. Use additional caulking to correct
uneven wall surface, such as clapboard.
2.
Attach 6" diameter air inlet tube onto the collar of air drop
assembly. Attach caulked, outside mounting plate into the 6"
diameter air inlet tube. Position the outside mounting plate
so that 6" diameter air inlet tube has a slight downward slope
to the outside. The downward slope is necessary to prevent
the entry of rainwater. Attach outside mounting plate to exte-
rior wall with (4) #10 x 1-1/2" screws provided.
3.
Apply furnace cement to 4" diameter flue outlet collar on
combustion chamber and to 4" diameter collar on vent cap.
Attach 4" diameter flue outlet tube onto flue outlet collar on
combustion chamber. Attach vent cap into the 4" diameter
flue outlet tube. Attach vent cap to outside mounting plate
with (3) #10 x 1/2" screws provided.
4.
Installation is completed.
Page 11
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