Bryant ZONE PERFECT PLUS - Page 13

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)=__180___+
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.
86080 850
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)=__76___+
Size__8"___Qty___2___ Area (from Table 2B)=__135___+
=__211___Total Sq.In.
Table 2B Branch Duct Area (Sq.In.)
Duct Diameter - in.
Quantity 5 6 7 8 10
1 20283860 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—