Step 10 -- Install Outdoor Air Hoods
(Units With Economizer)
Perform the following procedure to install the outdoor-air hoods:
1. Economizer and barometric relief hoods are located in the
condenser section under the slanted coil for shipping. (See
Fig. 14.) Barometric relief/power exhaust hood is shipped
inside of economizer hood. Remove screws that secure the
wooden rails of the hood assemblies to the unit. Save
screws. Slide complete assembly from condenser section.
2. Remove the screws that secure the economizer and
barometric relief/power exhaust hoods to the wooden
railing. Discard or recycle wooden rails. Save screws.
NOTE: The barometric relief damper is secured to the economizer
panel for shipping.
DO NOT THROW THIS PANEL AWAY!
3. Remove the screw holding the barometric relief damper to
the panel. Damper should be free to swing open during
operation. (See Fig. 15.)
DO NOT THROW THIS PANEL AWAY!
4. Hang the barometric relief/power exhaust hood on the
mounting flange on the economizer panel. Secure hood to
panel with screws saved from Step 2. (See Fig. 15 and 16 0
5. Align hole in flange of economizer panel with left edge of
hood. Hang economizer hood on the top flange of the
economizer panel by rotating hood until top flange of the
economizer hood engages the bent flange on the
economizer panel. Rotate hood until hood is flush with the
economizer panel. Hood will support itself from flange.
Align holes in hood with holes in panel and secure hood to
panel with screws saved from Step 2. (See Fig. 15 and 17 0
Step 11 -- Install All Accessories
After all of the factory-installed options have been adjusted, install
all field-installed accessories. Refer to the accessory installation
instructions included with each accessory.
Step 12 -- Configure Controls
Refer to unit Controls and Troubleshooting book for information
on configuring controls (including the VFD controller).
POWER EXHAUST/
//
/' BAROMETRIC
//
RELIEF HOOD
WOODEN RAILS
\_ ECONOMIZER
HOOD
C06290
Fig. 14 - Economizer and Barometric Relief/Power
Exhaust Hoods Shipping Position
ECONOMIZER
HOOD
J
POWER EXHAUST/
BAROMETRIC
RELIEF HOOD
/
, \
/ \\
ECONOMIZER BAROMETRIC
PANEL RELIEF DAMPER SCREW
C06260
Fig. 15 - Hood Installation
MOUNTINGJ
FLANGE
POWER EXHAUST/
BAROMETRIC
RELIEF HOOD
/
/
/
Fig. 16 - Barometric Relief/Power Exhaust
Hood Flange
C06262
MOUNTING
FLANGE
ECONOMIZER
HOOD
F
Fig. 17 - Economizer Flange
C06263
Copyright 2008 Carrier Corp, • 7310 W, Morris St. • Indianapolis, IN 46231 Printed in U,S,A, Edition Date: 9/08
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations,
Catalog No:48PD-01SI
Replaces: NEW
16
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