Carrier WeatherMaker 48TC A/B07 Series, Installation Instructions Manual

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SIZE 16
Unit is shipped in the vertical duct configuration. Unit without fac
-
tory-installed economizer or return air smoke detector option may
be field-converted to horizontal ducted configuration using acces -
sory CRDUCTCV002A00. To convert to horizontal configura -
tion, remove screws from side duct opening covers and remove
covers.
Discard the supply duct cover. Install accessory
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 AND TWO-POSITION DAMPER HOOD
PACKAGE REMOVAL (FACTORY OPTION SIZES 07-14)
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 using
plastic stretch wrap, and shipped in the return air com -
partment 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. 21).
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. 22). Be careful to not
damage any wiring or cut tie-wraps securing any wiring. The
indoor coil access panel will be used as the top of the damper
hood. Remove the screws along the sides and bottom of the
indoor coil access panel.
4. 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 Damper Hood Setup
(Sizes 07-14) on page 25.
ECONOMIZER HOOD REMOVAL (FACTORY OPTION
SIZE 16)
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. 21).
3. Locate and cut the (2) plastic tie-wraps being careful (see
Fig. 23). 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 outlined
in Economizer and Two–Position Hood Setup, Size 16 , on
page 25.
Fig. 21 — Typical Access Panel Locations
(Size 16 Shown)
Fig. 22 — Economizer and Two Position Damper
Hood Package Location
(Two Position Damper Only in Size 16)
Fig. 23 — Economizer Hood Package Location
(Size 16)
FILTER ACCESS PANEL
INDOOR COIL ACCESS PANEL
HOOD PARTS
PLASTIC TIE WRAP
QTY (2)
SCREWS FOR METAL TRA
QTY (2)
ECONOMIZER
CUT PLASTIC TIES
(2) PLACES
REMOVE
HOOD PARTS