Bryant 581A Installation And Service Instructions Manual page 17

CFM 0.2
Rpm Watts Bhp
4500 753 1307 1.53
4800 747 1384 1.62
5100 741 1465 1.72
5700 810 1911 2.24
844 2164 2.54
6000
6300 879 2439 2.86
915 2737 3.21
6600
950 3057 3.59
6900
986 3401 3.99
7200
1022 3770 4.42
7500
CFM 1.2
Rpm Watts
4500
1044 2345
4800 1065 2561
1086 2795
5100
5700 1132 3324
1157 3619
6000
6300 1182 3935
1208 4274
6600
1235 4636
6900
7200 1262 5021
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7500
CFM 2.2
Rpm Watts Bhp
1322 3781 4.43
4500
4800 1337 4025 4.72
1353 4290 5.03
5100
5700 1388 4881 5.72
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6000
6300 — —
6600 — —
6900 — —
7200 — —
7500 — —
LEGEND
Bhp — Brake Horsepower
FIOP — Factory-Installed Option
Watts — Input Watts to Motor
*Standard low-medium static drive range is 873 to 1021 rpm. Alternate
high-static drive range is 1025 to 1200. Other rpms require a field-
supplied drive.
NOTES:
1. Maximum continuous bhp for the standard motor is 6.13. The maxi-
mum continuous watts is 5180. Do not adjust motor rpm such that
motor maximum bhp and/or watts is exceeded at the maximum
operating cfm.
Table 5 — Fan Performance — 581A180270 (Low Heat Units)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4
Rpm Watts Bhp
761 1330 1.56
790 1515 1.78
820 1718 2.01
882 2182 2.56
914 2444 2.87
947 2729 3.20
980 3035 3.56
1013 3364 3.95
1047 3717 4.36
1081 4095 4.80
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.4
Bhp Rpm Watts Bhp
2.75 1105 2619 3.07
3.00 1124 2841 3.33
3.28 1144 3082 3.61
3.90 1187 3624 4.25
4.24 1210 3925 4.60
4.62 1234 4249 4.98
5.01 1259 4595 5.39
5.44 1285 4964 5.82
5.82 — — —
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AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.4
Rpm Watts Bhp
1372 4088 4.79
1386 4337 5.09
1401 4607 5.40
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0.6
Rpm Watts Bhp Rpm
840 1572 1.84 912
866 1765 2.07 936
893 1977 2.32 961
950 2459 2.88 1014
980 2730 3.20 1042
1010 3023 3.55 1070
1041 3338 3.91 1099
1072 3675 4.31 1129
1104 4037 4.74 1159
1136 4423 5.19 1189
1.6
Rpm Watts Bhp Rpm
1163 2899 3.40 1218
1180 3127 3.67 1235
1199 3375 3.96 1252
1240 3929 4.61 1291
1262 4239 4.97 1312
1285 4569 5.36 1334
1309 4922 5.77 —
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2.6
Rpm Watts Bhp Rpm
1419 4400 5.16 1466
1433 4655 5.46 1479
1448 4930 5.78 —
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2. Static pressure losses (i.e., economizer) must be added to external
static pressure before entering Fan Performance table.
3. Interpolation is permissible. Do not extrapolate.
4. Fan performance is based on wet coils, clean filters, and
casing losses. See Table 13 for accessory/FIOP static pressure
information.
5. Extensive motor and drive testing on these units ensures that the full
bhp and watts range of the motor can be utilized with confidence.
Using your fan motors up to the watts or bhp rating shown will not
result in nuisance tripping or premature motor failure. Unit warranty
will not be affected.
6. Use of a field-supplied motor may affect wiring size. Contact your
Bryant representative for details.
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0.8 1.0
Watts Bhp Rpm Watts
1822 2.14 980 2080
2023 2.37 1002 2289
2243 2.63 1025 2516
2741 3.21 1075 3029
3021 3.54 1100 3317
3322 3.90 1127 3626
3645 4.28 1155 3957
3991 4.68 1183 4311
4361 5.11 1211 4689
4755 5.58 1241 5091
1.8 2.0
Watts Bhp Rpm Watts
3187 3.74 1271 3481
3420 4.01 1287 3720
3674 4.31 1304 3979
4241 4.97 1341 4558
4557 5.34 1361 4880
4894 5.74 — —
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2.8 3.0
Watts Bhp Rpm Watts
4719 5.53 1511 5042
4978 5.84 — —
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Bhp
2.44
2.68
2.95
3.55
3.89
4.25
4.64
5.06
5.50
5.97
Bhp
4.08
4.36
4.67
5.35
5.72
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Bhp
5.91
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