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Step 8 — Install Outside Air Hood
Economizer and Two Position Damper Hood
Package Removal and Setup - - Factory Option
NOTE: Economizer and two position damper are not
available as factory installed options for single phase (- - J
voltage code) models.
1. The hood is shipped in knock- - down form and must be
field assembled. The indoor coil access panel is used as
the hood top while the hood sides, divider and filter are
packaged together, attached to a metal support tray us-
ing plastic stretch wrap, and shipped in the return air
compartment behind the indoor coil access panel. The
hood assembly's metal tray is attached to the basepan
and also attached to the damper using two plastic tie- -
wraps.
2. To gain access to the hood, remove the filter access
panel. (See Fig. 7.)
FILTER ACCESS PANEL
Fig. 7 - - Typical Access Panel Locations
3. Locate the (2) screws holding the metal tray to the
basepan and remove. Locate and cut the (2) plastic
tie- - wraps securing the assembly to the damper. (See
Fig. 8) Be careful to not damage any wiring or cut
tie- - wraps securing any wiring.
Fig. 8 - - Economizer and Two- - Position Damper
Hood Parts Location
4. Carefully lift the hood assembly (with metal tray)
through the filter access opening and assemble per the
COMPRESSOR
ACCESS PANEL
OUTDOOR-AIR OPENING AND
INDOOR COIL ACCESS PANEL
C06023
Hood Parts
Plastic Tie Wrap
Qty (2)
Screws for Metal Tray
Qty (2)
C08639
steps outlined in Economizer Hood and Two–Position
Hood, below.
Economizer Hood and Two- - Position Hood —
NOTE: If the power exhaust accessory is to be installed
on the unit, the hood shipped with the unit will not be
used and must be discarded. Save the aluminum filter for
use in the power exhaust hood assembly.
1. The indoor coil access panel will be used as the top of
the hood. Remove the screws along the sides and bot-
tom of the indoor coil access panel. See Fig. 9.
INDOOR
COIL
ACCESS
PANEL
Fig. 9 - - Indoor Coil Access Panel Relocation
2. Swing out indoor coil access panel and insert the hood
sides under the panel (hood top). Use the screws
provided to attach the hood sides to the hood top. Use
screws provided to attach the hood sides to the unit. See
Fig. 10.
LEFT
HOOD
SIDE
19 1/16"
B
(483mm)
HOOD DIVIDER
Fig. 10 - - Economizer Hood Construction
3. Remove the shipping tape holding the economizer
barometric relief damper in place (economizer only).
4. Insert the hood divider between the hood sides. See
Fig. 10 and 11. Secure hood divider with 2 screws on
each hood side. The hood divider is also used as the
bottom filter rack for the aluminum filter.
10
TOP
PANEL
TOP
PANEL
CAULK
HERE
INDOOR
COIL
ACCESS
PANEL
C06025
TOP
PANEL
INDOOR COIL
ACCESS PANEL
SCREW
33 3/8"
(848mm)
C06026
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