All Units; Step 8 - Install Outside Air Hood; Two-Position Damper Hood Removal  (Factory Option); Economizer And Two-Position Damper Hood - Carrier WeatherMaster 50GC 14 Series Installation Instructions Manual

Discard the supply
CRDUCTCV002A00 to cover the vertical supply duct opening.
Use the return duct cover removed from the end panel to cover the
vertical return duct opening.

ALL UNITS

Field-supplied flanges should be attached to horizontal duct open-
ings and all ductwork should be secured to the flanges. Insulate
and weatherproof all external ductwork, joints, and roof or build-
ing openings with counter flashing and mastic in accordance with
applicable codes.
Do not cover or obscure visibility to the unit's informative data
plate when insulating horizontal ductwork.
Step 8 — Install Outside Air Hood
ECONOMIZER HOOD REMOVAL (FACTORY OPTION)
1. The hood is shipped in knock-down form and located in
the return air compartment. It is attached to the econo-
mizer using two plastic tie-wraps.
2. To gain access to the hood, remove the filter access panel
(see Fig. 9).
Fig. 9 — Typical Access Panel Locations
3. Locate and cut the (2) plastic tie-wraps being careful (see
Fig. 10). Be careful to not damage any wiring or cut tie-
wraps securing any wiring.
Fig. 10 — Economizer Hood Package Location
duct cover. Install accessory
Filter Access Panel
Indoor Coil Access Panel
Remove
Hood Parts
Cut Plastic Ties
(2) Places
Economizer
4. Carefully lift the hood assembly (with metal tray) through the
filter access opening and assemble per the steps outlined in
Economizer and Two-Position Hood Setup, on page 10.
TWO-POSITION DAMPER HOOD REMOVAL 
(FACTORY OPTION)
1. The hood is shipped in knock-down form and assembled
to a metal support tray using plastic stretch wrap. Located
in the return air compartment, the 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. 9.
3. Locate the (2) screws holding the metal tray to the basepan
and remove. In order to remove the screws, it may be nec-
essary to remove the panel underneath the two-position
damper. Remove the two screws. Locate and cut the (2)
plastic tie-wraps securing the assembly to the damper.
(See Fig. 11.) Be careful to not damage any wiring or cut
tie-wraps securing any wiring.
4. Carefully lift the hood assembly (with metal tray) through
the filter access opening and assemble per the steps out-
lined in Economizer and Two-Position Damper Hood
Setup, on page 10.
5. If removed, reattach the panel under the damper.
Fig. 11 — Two Position Damper Hood Package

ECONOMIZER AND TWO-POSITION DAMPER HOOD

SETUP

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. If the panel is still attached to the unit, remove the
screws along the sides and bottom of the panels. See Fig. 12.
2. Swing out indoor coil access panel and insert the hood
sides under the panel (hood top). Be careful not to lift the
panel too far, as it might fall out. 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. 13.
3. Remove the shipping tape holding the economizer baro-
metric relief damper in place (economizer only).
4. Insert the hood divider between the hood sides. See Fig. 13
and 14. 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
Hood Parts
Plastic Tie Wrap
Qty (2)
Screws for
Metal Tray
Qty (2)
Location