A00132
Step 6: Zone Minimum Area (Sq.In.) (From Table 1)
Zone 1 CFM__ 500____
Zone 2 CFM__ 500____
Zone 3 CFM__ 600____
Zone 4 CFM__ 700____
Zone 5 CFM__ 700____
Zone 6 CFM_1,000____
Zone 7 CFM _________
Zone 8 CFM _________
Main Duct __123___Sq.In.
Main Duct __123___Sq.In.
Main Duct __133___Sq.In.
Main Duct __154___Sq.In.
Main Duct __154___Sq.In.
Main Duct __189___Sq.In.
Main Duct ________Sq.In.
Main Duct ________Sq.In.
Branch Area__179___Sq.In.
Branch Area__179___Sq.In.
Branch Area__208___Sq.In.
Branch Area__246___Sq.In.
Branch Area__246___Sq.In.
Branch Area__330___Sq.In.
Branch Area________Sq.In.
Branch Area________Sq.In.
Table 1
Main Duct Area (sq.in.)
Zone CFM
Equipment Capacity
2
2.5
3
3.5
4
5
6
7.5
8
8.5
10
200
Main
57
57
57
64
64
64
Branch
66
66
66
75
75
75
300
Main
79
79
79
79
79
87
87
Branch
99
99
99
99
99
110
110
400
Main
86
86
86
86
86
86
104
104
104
Branch
132
132
132
132
132
132
140
140
140
500
Main
113
113
113
113
113
113
113
123
123
123
123
Branch
165
165
165
165
165
165
165
179
179
179
179
600
Main
123
123
123
123
123
123
123
123
133
133
133
Branch
198
198
198
198
198
198
198
198
208
208
208
700
Main
143
143
143
143
143
143
143
143
154
154
Branch
231
231
231
231
231
231
231
231
246
246
A00133
Zone 1 & 2
Main Duct Square Inches __ 123 ____ = Main Duct Size___8x18____
Branch Square Inches_____179__
Size__10"___Qty___2___ Area (from Table 2B)=_
Size_______ Qty_______ Area (from Table 2B)=_
=__180___Total Sq.In.
Table 2A Main Duct Sizing
Equivalent Areas for Ducts (sq.in.)
Duct Height (in.) Round
Duct Width
8
10
Dia-Inch
Sq.In.
8
60
80
8
50
10
80
87
10
79
12
90
110
12
113
14
105
135
14
154
16
115
157
16
201
18
125
167
Zone 3
Main Duct Square Inches __ 133 ____ = Main Duct Size___10x14____
Branch Square Inches_____208__
Size__7"___Qty___2___ Area (from Table 2B)=
Size__8"___Qty___2___ Area (from Table 2B)=_
=__211___Total Sq.In.
Table 2B Branch Duct Area (Sq.In.)
Duct Diameter - in.
Quantity
5
6
7
8
10
1
20
28
38
60
79
2
40
56
76
135
180
3
60
84
114
180
330
4
80
112
152
235
465
5
100
140
190
300
530
6
120
168
228
365
660
7
140
196
266
430
760
8
160
224
304
500
825
—13—
Summary of Contents for ZONE PERFECT PLUS
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