ADC AD-78 - Manual (Page 22)

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
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