![background image](http://html.mh-extra.com/html/carrier/39sh/39sh_installation-start-up-and-service-instructions-manual_2562108020.webp)
20
b. Take right hood panel and screw in place like
Step a.
c. Take top rail and place flanges over left hood panel
and right hood panel and secure.
d. Take top panel and do the same as Step c.
e. Take
1
/
8
in. x
3
/
4
in.
gasket and place around perim-
eter of front panel to seal between damper section
and hood.
f. Take front panel and slide inside of left hood panel
and right hood panel and secure.
g. Place
1
/
8
in.
x
1
/
2
in.
gasket on flanges on hood bot-
tom, left hood panel, right hood panel, and top
panel that attach to the face of the economizer
when installed.
h. Set barometric relief hood to the side for use later.
5. To assemble the outside air hood, the following will be
needed. See Fig. 20.
20 – Screws (type A no. 10 - 16 x
1
/
2
in.)
1 – 15 ft gasket (
1
/
8
in. x
1
/
2
in.)
a. Take hood bottom and left hood panel, putting the
flange of hood bottom to the inside of left hood
panel and screw into place.
b. Take right hood panel and screw in place like
Step a.
c. Take top rail and place flanges over left hood panel
and right hood panel and secure.
d. Take side rail and line up to holes in left hood
panel and secure.
e. Repeat Step d for side rail and right hood panel.
f. Take front panel and slide inside of side rails.
g. Take top panel and do the same as Step c.
h. Place
1
/
8
in. x
1
/
2
in. gasket on flanges on hood bot-
tom, left hood panel, right hood panel, and top rail
that attach to the face of the economizer when
installed.
i. Set outside air hood to the side for use later.
6. As shown in Fig. 21, slide economizer assembly into unit
over return opening, but DO NOT insert completely into
unit. Connect low and high voltage wiring to the terminal
block and transformer per wiring diagram shown in
Fig. 22.
Fig. 17 — Bottom Return Economizer Package
(BREP) for Sizes 07-17
a39-4089
Fig. 18 — Remove Access Panel(s) from Unit
a39-4090
Fig. 19 — Assemble Barometric Relief Hood
a39-4091
Fig. 21 — Slide Economizer Assembly into Unit
a39-4093
a39-4092
Fig. 20 — Assemble Outside Air Hood