07-780R-018OPPOSED
BLADE
DAMPER-
GALVANIZED SHEETME=TAL
STRI HANGERS
MAINTAIN SAME
i AREA AS
1 GRILLE SIZE --,
1" THICK
INTERNAL LINIIIIG
TYPICAL MANUAL
VOLUME DAMPER-
USE THIS WITH RECTANGULAW
DUCT TAKEOFF — SMACNA 45�
OPEN END ENTRY FITTING:
L =Y4 W, (4" MIN.
(MAY ALSO BE �ARALLEL
FLOW FITTING)
24" ol
FINISHED CEILING
SURFACE MOUNTED
RETURN AIR REGISTER
RETURN AIR REGISTER SOUND BOOT
"TAP -OUT" EITHER SIDE OR 801
TOP "TAP -OUT" IS NOT ACCEPT
INSULATED FLEXIBLE
METAL DUCT
6" MIN.
CEILIN
OF DUCT.
SUPPLY
DUCT
BELLMOUTH OR
45'` THROAT TAP W/
SQUARE TO ROUND
TRANSITION
SECURING STRAP
f— PANDUIT (OR EQUAL)
SHEET METAL
SCREW (TYPICAL)
SUPPLY DIFFUSER
WITH INSULATED
BACK PANEL
MAIN SUPPLY
RETURN OR
EXHAUST DUCT
PREMANUFACTURED SHOE TAP
LIKE CROWN PRODUCTS
MODEL 3300 -DS
EMA
'k = BRANCH TO INDIVIDUAL DIFFUSER OR GRILLE
SUBMAIN, BRANCHMAIN , OR BRANCH.
N
USE THIS WITH
ROUND DUCT
TAKEOFF'S
NOTE:
WHERE AIR DEVICE SCHEDULE CALLS FOR A BRANCH RUNOUT LARGER
THAN THE DEPTH OF THE MAIN, PROVIDE 45"" TAKE -OFF 2" LESS IN
DEPTH THAN THE MAIN, TAKE -OFF SIZE EQUIVALENT TO THE BRANCH
DUCT, PROVIDE TRANSITION TO BRANCH SIZE AND VOLUME DAMPER.
LOW PRESSURE DUCT VOLUME DAMPER
_ REQUIREMENT
"TAP -OUT" EITHER SIDE OR BOTTOM OF DUCT.
TOP "TAP -OUT" IS NOT ACCEPTABLE
SHEET METAL RIGID ELBOW —
(NO FLEXIBLE DUCT ALLOWED)
24 GA. GALVANIZED
SHEET METAL BOX--x
6" MIN:
VOLUME DAMPER
PROVIDE ONLY IN
INACCESSIBLE CEILING)
CEILIN
EXHAUST
REGISTER
EXHAUST
DUCT
BELLMOUTH OR
45- THROAT TAP W/
SQUARE TO ROUND
TRANSITION
"TAP -OUT" EIITHER SIDE OR BOTTOM OF DUCT.
TOP "TAP -OUIT" IS NOT ACCEPTABLE- -,
INSULATED FLEXIBLE
METAL DUCT
24 GA. INSULATED
GALVANIZED
SHEET METAL BOX
6" MIN:
CEILIN
c�
T
RETURN
REGISTER
RETURN
DUCT
BELLMOUTH OR
45" THROAT TAP W/
SQUARE TO ROUND
TRANSITION
SECURING STRAP
PANDUIT (OR EQUAL)
VOLUME DAMPER REQUIRED
• WHERE DAMPER AT DUCT
• ORANCH IS INACCESSIBLE.
NOTE
FOLLOW MFR'S INSTRUCTIONS NOTE. INSULATE RETURN DUCTWORK PER SPECS.
FOR INSTALLATION OF SUPPLY NOTE: FLEXIBLE DUCT IS NOT ALLOWED FOR EXHAUST DUCTWORK.
DIFFUSER IN CEILING
DUCTWORK CONNEC TION TO DUCTWORK CONNECTION TO DUCTWORK CONNECTION TO
SUPPLY DIFFUSER FLEX DUCT _ EXHAUST GRILLE (RIGID DUCT) -=RETURN GRILLE (FLEX DUCT) _
CNTY OF sot, m MIAMI
BUII_DIt1G s?Fpr.
MECHANICAL SECTION
APPROVED BY; c[A.
GATE: _ _ _ _ d 8
._..._....._..... .
.: f i • . i D •
• I f
.. a • •
HCHITECTURE, is
Firm Cert. No. AA2600115
7210 Windy Preserve
Lake Worth, Florida 33467
Phone: (561)649 -5025
Fax: (561) 649 -5025
E -Mail: MDT Arch ,icomcast.net
Mark D Taudien• AIA
Principal
ffl,
wi a u+u°o
M 0011821
Q
a�
® w
LJL J
0
U)
LL
U) z
r
® Q
Z
O O
~ � U
> 0
U)
0
Z W U)
W U z
0
0! up) ® C-5
® W
U W Z
O 1_i. U
M Z Z
O ®Z) CL
� C) 0.
CL d" O
r' J
(10 LL
MEN[
PROD. NO. 07 -11-01
DATE: DEC. 10, 2007