Motorized Outside Air Damper - Carrier 39SH Installation, Start-Up And Service Instructions Manual

7. To install barometric hood:
For bottom return applications:
Take the barometric hood and secure to economizer using
screws as shown in Fig. 23.
For horizontal return applications:
a. Connect field-installed horizontal return ductwork
to duct flange. Ensure that bottom return on unit is
capped.
b. Install barometric hood over exhaust opening in
field-installed ductwork. For exhaust and horizon-
tal return opening sizes see duct flange dimensions
in Fig. 24.
8. Install the outside air hood. The upper flange of the
hood should rest against the top of the economizer. See
Fig. 25.
9. Apply / x / in. gasketing along mounting flanges.
1 1
8 2
Slide economizer assembly fully into unit and secure with
the supplied no. 10-16 x
1
10. Replace all panels and restore power to the unit.
a39-4095
Fig. 23 — Install Barometric Relief Hood
a39-4096
DUCT FLANGE
39SR UNIT
DIMENSION (in.)
SIZE
A
07,09 13.75
13 18.75
17 19.00
Fig. 24 — 39SR Unit Duct Flange Dimensions for
Horizontal Return Applications
/ screws. See Fig. 26.
2
BAROMETRIC
RELIEF HOOD
B
44.25
44.25
63.00
Fig. 25 — Install Outside Air Hood
Fig. 26 — Slide Economizer into Unit
Motorized Outside Air Damper —

motorized outside air damper:

1. Check for correct number of parts shown in Fig. 27 and
the following list.
1 – Hood top
2 – Hood sides
2 – Filter channels
1 – Filter
1 – Filter access panel
1 – Door panel with outside air slide
1 – Adapter panel (provided if necessary)
1 – Hardware bag
2. To assemble outdoor air hood (shown in Fig. 28):
a. Secure the filter channels to the hood sides using
the supplied no. 10-16 x
b. Place the hood sides to the inside of the side flange
of the hood top and secure with the supplied
no. 10-16 x 1 /
2
c. Slide the filter inside the filter channels.
d. Place the filter access panel over the hood side
panels and secure with no. 10-16 x
3. Adjust the position of the outside air slides on the door
panel to determine the amount of fresh air provided to the
unit. See Fig. 27.
4. After the slides are in the desired position, secure the
outdoor air hood to the door panel using the provided
no. 10-16 x ½ screws as shown in Fig. 28.
5. Remove the return air access panel from unit and the rear
access panel(s) if applicable as shown in Fig. 29.
6. Locate the adapter panel (provided if necessary). Position
the adapter panel at the top of the return air access panel
under the rooftop unit top panel. Secure the adapter panel
to the rooftop unit using the supplied no. 10-16 x
screws as shown in Fig. 30.
22
a39-4097
a39-409
To install the
1 / screws.
2
screws.
/ screws.
1
2
/
1
2