Step 8 - Install Outside Air Hood; Economizer Hood Removal And Setup (Factory Option); Two-Position Damper Hood Removal And; Setup (Factory Option) - Carrier WeatherMaster 50HCQ 04 Series Installation Instructions Manual

Fig. 12 — Horizontal Duct Panels In Place
Step 8 — Install Outside Air Hood
ECONOMIZER HOOD REMOVAL AND SETUP (FAC-
TORY OPTION)
The hood is shipped in knock-down form and located in the return
air compartment. It is attached to the economizer using two plastic
tie-wraps.
1. To gain access to the hood, remove the filter access panel.
(See Fig. 13.)
2. Locate and cut the (2) plastic tie-wraps, being careful not to
damage any wiring. (See Fig. 14.)
3. Carefully lift the hood assembly through the filter access
opening and assemble per the steps outlined in Economizer
Hood and Two-Position Hood Assembly.
FILTER ACCESS PANEL
Fig. 13 — Typical Access Panel Locations
SCREWS
DUCT COVERS
SHEET METAL
FACE UP
BASEPAN
COMPRESSOR
ACCESS PANEL
OUTDOOR-AIR OPENING AND
INDOOR COIL ACCESS PANEL
Fig. 14 — Economizer Wiring
TWO-POSITION DAMPER

SETUP (FACTORY OPTION)

The hood is shipped in knock-down form and assembled to a met-
al 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.
1. To gain access to the hood, remove the filter access panel.
(See Fig. 13.)
2. 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. 15.) Be careful not to
damage any wiring or cut tie-wraps securing any wiring.
3. Carefully lift the hood assembly (with metal tray) through the
filter access opening and assemble per the steps outlined in
Economizer Hood and Two–Position Hood Assembly on
page 13.
Fig. 15 — Damper Assembly

ECONOMIZER AND TWO-POSITION HOOD ASSEMBLY

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. 16.
13
REMOVE HOOD PARTS
CUT PLASTIC TIES
(2) PLACES
ECONOMIZER
HOOD REMOVAL AND
HOOD PARTS
PLASTIC TIE WRAP
QTY (2)
SCREWS FOR
METAL TRAY
QTY (2)