7
c. Secure the hood side plates to the panel using screws
provided.
d. CRECOMZR074A00: Remove screws across top cover.
Attach hood top to hood side plates. (Flange will slide
behind flange of top cover.)
e. CRECOMZR074A00: Reinstall the screws previously
removed. CRECOMZR075A00: Secure top flange using
the screws provided in the kit.
f. Install the four outdoor air screens by sliding then into
the channel formed by the four angles installed previ
-
ously. Make sure the screens extend across the entire
length of the hood.
g. Install the side filter supports using the provided screws.
h. Install the side drip edge angles using the provided
screws.
i. Run a continuous length of seal strip across the hood
covering the engagement hole in the lower hood.
j. Install the top diverter using the provided screws.
12. Install the hood assembly onto the unit. (See Fig. 12.)
13. If barometric relief is required, remove the relief damper and
hinges from the (provided) bottom panel used on vertical
applications. Reinstall the hinges and damper on the side of
the field-supplied return duct. (See page 8.)
NOTE: A relief hood for the horizontal application can be ordered
separately (part number CRBARHOD001A00) or can be
field-supplied.
14. Install the hood screens and other approved EconoMi$er X
accessories.
Fig. 17 —
End View
Barometric Hood Assembly
The barometric hood can be assembled in vertical or horizontal
configuration. Figure 18 illustrates the barometric hood parts.
Fig. 18 —
Barometric Hood Parts
BAROMETRIC HOOD (VERTICAL CONFIGURATION)
1. Remove the hood top panel from its shipping position on the
unit end. (See Fig. 19.)
Fig. 19 —
Shipping Location, Vertical Units
2. Remove the side panels located in the hood parts box. (See
Fig. 20.)
Fig. 20 —
Barometric Hood Box Parts Location
3. Install parts as shown in the following exploded view. (See
Fig. 21.) using the seal strip and screws provided in the parts
box.
Fig. 21 —
Barometric Hood Exploded View
Figure 22 illustrates the installed barometric hood parts.
18 3/8"
Provided
Upper Panel
Economizer Outside
Air Damper
Economizer actuator
access through left
side panel
Provided bottom panel
with return duct opening
61 9/16"
