ZCVRB47 – Vented Chase – Style 2 – OPENING WITH GRILL
MINIMUM ENCLOSURE-
GRILL AT TOP
Grill area must have a
total of
105 square
inches
free air minimum.
MINIMUM ENCLOSURE-
SIDE GRILLS
Grills must have a total of
105 square inches
free
air minimum.
NOTE:
Sides of enclosure
must have equal sized grills.
FRAMING TO CEILING-
MINIMUM ENCLOSURE-
GRILLS AT FRONT AND
BACK
Each grill must be
105
square inches
free air
minimum.
Both Chase Vent
Openings Must be in the
same Pressure Zone
(Room / Area)
Grill Opening must be
within 2” of Enclosure Top
FRAMING TO CEILING -
MINIMUM ENCLOSURE-
SIDE GRILLS
Grills must have a total of
105 square inches
free air
minimum.
NOTE:
Sides of enclosure
must have equal sized grills.
Grill Opening must be
within 2” of Enclosure Top
MINIMUM ENCLOSURE-
GRILL AT FRONT
Grill must have a total of
105
square inches
free air minimum.
MINIMUM ENCLOSURE-
GRILLS AT FRONT AND
BACK
Each grill must be
105
square inches
free air
minimum.
Both Chase Vent
Openings Must be in the
same Pressure Zone
(Room / Area)
Grill Opening must be
within 2” of Enclosure Top
VENTILATION PLATES MUST BE REMOVED
23
