I^tt – ADC AD-78 User Manual
Page 22
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".
MULTIPLE DRYER VENTING (ADG-78/ADE-78) WITH 8" DIAMETER
(1200 CFM) EXHAUST CONNECTIONS AT COMMON DUCT
NO OF DRYERS
4
3
2
1
MINIMUM CROSS
SECTION AREA (SO.IN.)
315
254
200
113
MINIMUM ROUND
DUCT DIAMETER (IN.)
20
18
16
12
VERTICAL
TUMBLER
EXHAUST
MUST
ENTER
MAIN
EXHAUST DUCT AT A ¿5° ANGLE.
38 1/4 MIN
2 X D CLEARANCE
IMPORTANT. NO MORE THAN 4 DRYERS CAN
BE CONNECTED TO ONE COMMON DUCT i VENT ).
2X0 CLEARANCE
ROOF
10-INCH MINIMUM
FORMULAS TO CALCULATE DUCTING CROSS SECTIONAL AREA
CROSS SECTIONAL AREA OF A ROUND DUCT - 785
x
WHERE D - DIAMETER OF THE DUCT.
CROSS SECTIONAL AREA OF A RECTANGULAR DUCT - W x H WHERE W
•
WIDTH AND H
=
HEIGHT.
1
I
hF
NOTE A: OPENING MUST BE TWO (2) INCHES LARGER THAN DUCT (ALL THE WAY AROUND). THE DUCT
MUST BE CENTERED WITHIN THIS OPENING.
MULTIPLE DRYER VENTING (AD5-78)
WITH 10" DIAMETER (1350 CFM) EXHAUST CONNECTIONS AT COMMON DUCT
NOTE A
NO OF DRYFRS
4
3
2
1
MINIMUM CROSS
SFCTION AREA (50.IN.)
330
315
200
113
MINIMUM ROUND
DUCT DIAMETER (IN.)
22
20
16
12
VERTICAL DUCTING
2 X D CLEARANCE
38 1/4" MIN.
ROOF
10-INCH MINIMUM
2 X D CLEARANCE
TUMBLER EXHAUST MUST ENTER MAIN
EXHAUST DUCT AT A 45° ANGLE.
IMPORTANT: NO MORE THAN 4 DRYERS CAN
BE CONNECTED TO ONE COMMON DUCT ( VENT )
FORMULAS TO CALCULATE DUCTING CROSS SECTIONAL AREA
CROSS SECTIONAL AREA OF A ROUND DUCT = .785 x
d
' WHERE D
-
DIAMETER OF THE DUCT.
CROSS SECTIONAL AREA OF A RECTANGULAR DUCT
« IV x H
WHERE W = WIDTH AND H = HEIGHT.
—I
IV
i^TT
NOTE A: OPENING MUST BE TWO (2) INCHES LARGER THAN DUCT (ALL THE WAY AROUND). THE DUCT
MUST BE CENTERED WITHIN THIS OPENING.
MAN3562
18