2
Fig. 2 —
Upper End Panel with Damper Attached
3. Lift the provided upper-end panel with damper attached in
place over the top of the bottom panel. (See Fig. 2.) Do not
secure in place yet.
4. Remove and save the 12-pin jumper plug from the unit wir
-
ing harness. Insert the harness from the 2-position damper
plug into the unit wiring harness plug. (See Fig. 3.)
NOTE: The 12-pin jumper plug should be saved for future use in
the event that the 2-position damper is removed from the unit. The
jumper plug is not needed as long as the 2-position damper is
installed.
5. Screw the upper-end panel with the damper attached, in place
on the HVAC unit. (See Fig. 4.)
Fig. 3 —
Unit Wiring Harness Plug
Fig. 4 —
Upper End Panel with Damper attached
6. Assemble the outside air hood per Fig. 5-7.
7. To assemble the outside air hood (see Fig. 5 for hood compo
-
nent locations and item numbers):
a. Remove hood top panel from shipping position on unit
end.
b. Install filters supports (Item #1) to the upper end panel
using the screws provided.
c. Install each deflector (Item #8) on to each filter support
(Item #1) using the screws provided.
d. Apply seal strip to mating flanges on side plates of hood
(Items #4 and #5).
e. Secure side panels (Items #4 and #5) to upper panel
using the screws provided.
f. Apply seal strip to mating flange of the hood (see Fig. 5).
g. Secure hood top (Item #3) to upper panel using the
screws provided. (On 44-in. chassis, remove the screws
from across top cover of unit. The rear flange of hood
top will slide behind unit top over flange.)
h. Secure side retainers (Item #6) to side panels (Items #4
and #5) using the screws provided, screwing from out
-
side of the hood.
i. Secure each central retainer (Item #2) to the hood top
(Item #3). Then align central retainers to holes located
on filter support (Item #1), so central retainer is perpen
-
dicular to hood and each filter support. Secure using
screws provided.
j. Apply seal strip to top diverters (Item #7).
k. Secure top diverters (Item #7) to hood top (Item #3).
l. Install outdoor air screens by sliding them into each of
the four spaces created by the hood, filter support and
central retainers. To do so, first insert the air screens into
pocket created at the end of hood (Item #3), then fully
put the air screen into place, and then slide them back
into pocket created in the filter support (Item #1). Repeat
this for each air screen (see Fig. 6). See Fig. 7 for com
-
pleted hood assembly.
Fig. 5 —
Hood Part Identification and Seal Strip
Application Areas
2-Position Damper
Attached to Upper-End
Panel
Bottom
Panel
2-Position Outside
Air Damper
Provided
Upper Panel
APPLY SEAL STRIP
TO THE FRONT OF
THIS FLANGE
APPLY SEAL STRIP
TO THE BACK
OF THIS FLANGE
APPLY SEAL STRIP
TO THE BACK
OF THIS FLANGE
APPLY SEAL STRIP
TO THE BACK
OF THIS FLANGE
7
7
3
5
6
8
8
2
8
6
4
2
1
2
ITEM #
DESCRIPTION
QTY
1
Filter Supports
3
2
Central Retainer
3
3
Hood Top
1
4
Left Hood Side
1
5
Right Hood Side
1
6
Side Retainer
2
7
Top Diverters
2
8
Deflector
3