Step 8 - Install Outside Air Hood; Setup (Factory Option); Economizer Hood - Carrier WeatherExpert 48JC04 Installation Instructions Manual

Fig. 8 — Horizontal Duct Panels In Place
Step 8 — Install Outside Air Hood
ECONOMIZER HOOD

SETUP (FACTORY OPTION)

The hood is shipped in knock-down form and must be field as-
sembled. 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 using 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.
1. To gain access to the hood, remove the filter access panel.
See Fig. 9.
FILTER ACCESS PANEL
Fig. 9 — Typical Access Panel Locations
2. Locate the (2) screws holding the metal tray to the basepan
and remove. Locate and cut the (2) plastic tie-wraps secur-
ing the assembly to the damper. See Fig. 10. Be careful to
not damage any wiring or cut tie-wraps securing any wiring.
SCREWS
DUCT COVERS
SHEET METAL
FACE UP
BASEPAN
PACKAGE REMOVAL AND
COMPRESSOR
ACCESS PANEL
OUTDOOR-AIR OPENING AND
INDOOR COIL ACCESS PANEL
Fig. 10 — Economizer Hood Parts Location
3. Carefully lift the hood assembly (with metal tray) through
the filter access opening and assemble per the steps out-
lined in the following section (Economizer Hood).

ECONOMIZER 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 bottom of
the indoor coil access panel. See Fig. 11.
INDOOR
COIL
ACCESS
PANEL
Fig. 11 — 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 pro-
vided to attach the hood sides to the unit. See Fig. 12.
11
HOOD PARTS
PLASTIC TIE WRAP
QTY (2)
SCREWS FOR
METAL TRAY
QTY (2)
TOP
PANEL
TOP
PANEL
CAULK
HERE
INDOOR
COIL
ACCESS
PANEL