Bryant LEGACY 580J*20M Series, Installation Instructions Manual

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17
Step 7 — Install Outside Air Hood (Factory-
Option) —
The outside air hood for factory-option
economizer and two-position damper is shipped in knock-down
form and requires field assembly. The panel for the hood top is
shipped on the end of the unit (see Fig. 12). The remaining parts
for the hood assembly (including side panels, filters and tracks)
are shipped in a carton that is secured to the rear of the blower
assembly. Access the carton location through rear panel (see
Fig. 13).
Fig. 12 — Hood Top — Shipping Position
Fig. 13 — Hood Package — Shipping Location
To remove the hood parts package:
1. Remove the back blower access panel.
2. Locate and cut the strap, being careful to not damage any
wiring.
3. Carefully lift the hood package carton through the back
blower access opening.
See Fig. 14 for identification of the various parts of the hood
assembly.
Fig. 14 — Hood Part Identification and Seal Strip
Application Areas
To assemble the outside air hood (see Fig. 15):
1. Remove hood top panel from shipping position on unit
end.
2. Install four angles to the upper end panel using the screws
provided.
3. Apply seal strip to mating flanges on the side plates of the
hood (see Fig. 14).
4. Secure side plates to panel using the screws provided.
5. Apply seal strip to mating flange of the hood (see Fig. 14).
6. Secure top flange using screws provided in kit.
7. Install outdoor air screens by sliding them into the channel
formed by the four angles installed in Step 2. Make sure
that the screens extend across the entire length of the hood.
8. Install side filter supports using the screws provided.
9. Install side drip angles using the screws provided.
10. Run a continuous length of seal strip across the hood cov-
ering the engagement holes in the lower hood.
11. Install top diverter using the screws provided.
12. On units with barometric relief, remove screws at bottom
of relief damper. Do not discard damper door.
Fig. 15 — Hood Assembly — Completed
Step 8 — Install Flue Hood and Combustion Air
Hood —
The flue hood is shipped screwed to the fan deck in-
side the burner compartment. Remove the burner access panel
and then remove the flue hood from its shipping location. Using
the screws provided, install flue hood in the location shown in
Fig. 16.
The combustion air hood is attached to the back of the burner
access panel. Remove the two screws securing the hood to the
back of the burner access panel. Using the two screws, re-attach
the hood to the front of the burner access panel as shown in
Fig. 16.
Fig. 16 — Flue Hood and Combustion
Air Hood Details
HOOD TOP
SHIPPING
POSITION
HOOD
PACKAGE
APPLY SEAL STRIPS
TO THE BACK OF
THESE FLANGES
APPLY SEAL STRIP
TO THE FRONT OF
THIS FLANGE
APPLY SEAL STRIP
TO THE FRONT OF
THIS FLANGE
APPLY SEAL STRIP
TO THE BACK OF
THIS FLANGE
SEAL STRIPS
APPLY SEAL STRIPS
TO THE BACK OF
THESE SURFACES
7
7
2
2
1
3
4
4
4
4
5
6
5 6
Item # Description Qty
1 Angles 4
2 Side Plates 2
3 Hood 1
4 Outdoor Air Screens 4
5 Side Filter Supports 2
6 Side Drip Angles 2
7 Top Diverters 2
FLUE HOOD
COMBUSTION
AIR HOOD