Step 7 - Convert To Horizontal And Connect; Ductwork; Step 8 - Install Outside Air Hood - Carrier WeatherMaster 50HC14 Installation Instructions Manual

Step 7 — Convert to Horizontal and Connect
Ductwork (When Required) —
vertical duct configuration. Unit without factory-installed
economizer or return air smoke detector option may be field-
converted to horizontal ducted configuration using accessory
CRDUCTCV002A00. To convert to horizontal configuration,
remove screws from side duct opening covers and remove cov-
ers. See Fig. 9.
Fig. 9 — Horizontal Conversion Panels
Discard the supply duct cover. Install accessory
CRDUCTCV002A00 to cover the vertical supply duct open-
ing. Use the return duct cover removed from the end panel to
cover the vertical return duct opening.
Field-supplied flanges should be attached to horizontal duct
openings and all ductwork should be secured to the flanges. In-
sulate and weatherproof all external ductwork, joints, and roof
or building openings with counter flashing and mastic in accor-
dance 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 AND SETUP
FACTORY OPTION
1. The hood is shipped in knock-down form and located in
the return air compartment. It is attached to the economiz-
er using two plastic tie-wraps.
2. To gain access to the hood, remove the filter access panel.
(See Fig. 10.)
3. Locate and cut the (2) plastic tie-wraps, being careful to
not damage any wiring. (See Fig. 11.)
4. Carefully lift the hood assembly through the filter access
opening and assemble per the steps outlined in Econo-
mizer Hood and Two-Position Hood on page 12.
Unit is shipped in the
—
11
Fig. 10 — Typical Access Panel Locations
Fig. 11 — Economizer Hood Package Location
TWO POSITION DAMPER HOOD REMOVAL AND
SETUP — 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. 10.)
3. Locate the (2) screws holding the metal tray to the base-
pan and remove. In order to remove the screws, it may be
necessary to remove the panel underneath the two-posi-
tion damper. Remove the two screws. Locate and cut the
(2) plastic tie-wraps securing the assembly to the damper.
(See Fig. 12.) 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 Hood and Two-Position Hood on
page 12.
FILTER ACCESS PANEL
INDOOR COIL ACCESS PANEL
Remove Hood Parts
Cut Plastic Ties
(2) Places
Economizer