Specifications

28
PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
LEGEND
NOTES:
1.
Boldface
indicates a field-supplied drive is required. (See Note 6.)
2. indicates field-supplied motor and drive are required.
3. Maximum continuous bhp is 2.40 for standard motors; 2.90 for high-static
motors. Extensive motor and electrical testing on these units ensures that
the full range of the motor can be utilized with confidence. Using your fan
motors up to the ratings shown will not result in nuisance tripping or
premature motor failure. Unit warranty will not be affected. For additional
information on motor performance, refer to Evaporator-Fan Motor Data
tables on pages 42 and 43.
4. Values include losses for filters, unit casing, and wet coils. See page 43 for
accessory/FIOP static pressure information.
5. Use of a field-supplied motor may affect wire sizing. Contact Bryant repre-
sentative to verify.
6. Motor drive range: 1120 to 1585 rpm for standard motors; 1300 to 1685 rpm
for high-static motors. All other rpms require field-supplied drive.
7. Interpolation is permissible. Do not extrapolate.
551B072 (6 TONS) — STANDARD MOTOR (BELT DRIVE)
Airflow
(Cfm)
External Static Pressure (in. wg)
0.1 0.2 0.4 0.6 0.8
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
1800 852 0.55 905 0.62 1002 0.78 1084 0.93
1163 1.10
1900 894 0.64 945 0.72 1037 0.88 1119 1.04
1194 1.21
2000 936 0.74 984 0.82 1072 0.98
1154 1.16 1226 1.33
2100 9780.8510240.9311081.10
1190 1.29 1259 1.47
2200 1021 0.97 1064 1.05
1145 1.22 1225 1.43 1294 1.62
2300 1064 1.10 1104 1.18
1183 1.36 1260 1.57 1330 1.78
2400 1107 1.24
1145 1.32 1222 1.52 1296 1.73 1365 1.94
2500
1150 1.39 1186 1.48 1262 1.68 1331 1.89 1400 2.12
2600
1193 1.56 1228 1.65 1301 1.86 1367 2.07 1435 2.31
2700
1237 1.74 1269 1.83 1341 2.05 1404 2.26
1471 2.51
2800
1280 1.94 1311 2.03 1381 2.25
1442 2.47 1506 2.72
2900
1324 2.15 1354 2.24
1420 2.47 1481 2.69 1542 2.94
3000
1368 2.37
1396 2.46 1460 2.69 1521 2.93 ——
551B072 (6 TONS) — STANDARD MOTOR (BELT DRIVE) (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
1.0 1.2 1.4 1.6
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
1800
1235 1.29 1303 1.48 1371 1.69 1433 1.90
1900
1266 1.40 1330 1.59 1396 1.81 1460 2.03
2000
1297 1.53 1362 1.73 1422 1.94 1485 2.16
2100
1327 1.66 1393 1.87 1452 2.08 1510 2.31
2200
1359 1.81 1423 2.02 1483 2.24
1538 2.46
2300
1392 1.97 1454 2.18
1515 2.41 1569 2.64
2400
1426 2.15 1485 2.36
1544 2.59 1601 2.84
2500
1461 2.34
1518 2.55 1575 2.78 ——
2600
1497 2.54 1552 2.76 ————
2700
1532 2.75 ——————
2800
————————
2900
————————
3000
————————
551B072 (6 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)
Airflow
(Cfm)
External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
1800 906 0.62 1002 0.78 1084 0.93 1163 1.10 1235 1.29
1900 945 0.72 1037 0.88 1119 1.04 1194 1.21 1266 1.40
2000 984 0.82 1072 0.98 1154 1.16 1226 1.33 1297 1.63
2100 1024 0.93 1108 1.10 1190 1.29 1259 1.47
1327 1.66
2200 1064 1.05 1145 1.22 1225 1.43 1294 1.62
1359 1.81
2300 1104 1.18 1183 1.36 1260 1.57
1330 1.78 1392 1.97
2400 1145 1.32 1222 1.52 1296 1.73
1365 1.94 1426 2.15
2500 1186 1.48 1262 1.68
1331 1.89 1400 2.12 1461 2.34
2600 1228 1.66
1301 1.86 1367 2.07 1435 2.31 1497 2.54
2700 1269 1.83
1341 2.05 1404 2.26 1471 2.51 1532 2.75
2800
1311 2.03 1381 2.25 1442 2.47 1506 2.72
1603 3.28
2900
1354 2.24 1420 2.47 1481 2.69
1542 2.94 1641 3.55
3000
1396 2.46 1460 2.69
1521 2.93 1649 3.73 1755 4.50
551B072 (6 TONS) — HIGH-STATIC MOTOR (BELT DRIVE) (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
1.2 1.4 1.6 1.8 2.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
1800
1303 1.48 1371 1.69 1433 1.90 1481 2.10 1525 2.29
1900
1330 1.59 1396 1.81 1460 2.03 1509 2.24 1554 2.45
2000
1362 1.73 1422 1.94 1485 2.16 1535 2.38 1581 2.61
2100
1393 1.87 1452 2.08 1510 2.31 1561 2.65 1607 2.79
2200
1423 2.02 1483 2.24 1538 2.46 1590 2.72
1637 2.97
2300
1454 2.18 1515 2.41 1569 2.64
1622 2.91 1670 3.18
2400
1485 2.36 1544 2.59 1601 2.84
1655 3.14 1704 3.43
2500
1518 2.55 1575 2.78
1635 3.11 1690 3.43 1740 3.75
2600
1552 2.76
1620 3.14 1662 3.51 1739 3.88 1791 4.24
2700
1612 3.21 1683 3.65 1747 4.08 ————
2800
1687 3.82 1761 4.36 ——————
2900
1727 4.13 ————————
3000
——————————
Bhp —
Brake Horsepower Input to Fan
FIOP —
Factory-Installed Option