Bryant 551A Air Conditioner User Manual


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PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
LEGEND
NOTES:
1.
Boldface
indicates a field-supplied drive is required.
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.
4. 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.
5. See page 93 for general fan performance notes.
LEGEND
NOTES:
1.
Boldface
indicates a field-supplied drive is required.
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.
4. 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.
5. See page 93 for general fan performance notes.
LEGEND
NOTES:
1.
Boldface
indicates a field-supplied drive is required.
2. indicates a high-static motor and drive are required.
3. Maximum continuous bhp is 2.90 for standard motors; 4.20 for high-static motors.
4. Standard motor drive range: 840 to 1085 rpm. High-static motor drive range: 860 to 1060
rpm. All other rpms require field-supplied drive.
5. See page 93 for general fan performance notes.
551B072 (6 TONS) STANDARD MOTOR (BELT DRIVE)
Airflow
(Cfm)
External Static Pressure (in. wg)
0.1 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
1800 765 0.45 821 0.51 923 0.65 1019 0.81 1099 0.96
1178 1.14 1249 1.32 1316 1.52 1382 1.72
1900 802 0.45 854 0.58 953 0.73 1046 0.90
1126 1.06 1201 1.23 1274 1.43 1338 1.62 1402 1.83
2000 840 0.60 888 0.66 984 0.82 1073 0.99
1154 1.16 1226 1.33 1297 1.53 1363 1.73 1424 1.94
2100 878 0.69 923 0.75 1015 0.91 1101 1.08
1182 1.27 1252 1.45 1320 1.64 1388 1.85 1448 2.07
2200 916 0.78 958 0.85 1046 1.01
1129 1.19 1209 1.39 1280 1.58 1345 1.77 1410 1.97 1473 2.20
2300 954 0.89 993 0.96 1079 1.13
1160 1.31 1237 1.51 1309 1.71 1372 1.91 1434 2.11 1496 2.34
2400 993 1.00 1029 1.07 1112 1.25
1190 1.43 1264 1.63 1336 1.85 1400 2.06 1459 2.26 1519 2.48
2500 1031 1.13 1066 1.20
1145 1.39 1220 1.57 1292 1.77 1363 2.00 1428 2.22 1486 2.43 1543 2.65
2600 1070 1.26 1103 1.34
1179 1.52 1251 1.71 1322 1.92 1390 2.15 1456 2.38 1514 2.61 1569 2.83
2700 1109 1.41
1140 1.48 1212 1.67 1283 1.87 1352 2.09 1418 2.31 1483 2.56 1543 2.80 ——
2800
1148 1.57 1177 1.64 1246 1.83 1316 2.04 1383 2.26 1446 2.48 1510 2.73 ————
2900
1188 1.74 1215 1.81 1281 2.00 1349 2.22 1413 2.44 1476 2.67 1537 2.92 ————
3000
1227 1.92 1253 2.00 1316 2.19 1382 2.42 1444 2.63 1506 2.88 ——————
Bhp —
Brake Horsepower Input to Fan
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 1.2 1.4 1.6 1.8 2.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
1800 821 0.51 923 0.65 1019 0.81 1099 0.96 1178 1.14 1249 1.32
1316 1.52 1382 1.72 1427 1.89 1468 2.06
1900 854 0.58 953 0.73 1046 0.90 1126 1.06 1201 1.23 1274 1.43
1338 1.62 1402 1.83 1447 2.01 1489 2.19
2000 888 0.66 984 0.82 1073 0.99 1154 1.16 1226 1.33 1297 1.53
1363 1.73 1424 1.94 1470 2.13 1512 2.32
2100 923 0.75 1015 0.91 1101 1.08 1182 1.27 1252 1.45
1320 1.64 1388 1.85 1448 2.07 1495 2.28 1538 2.48
2200 958 0.85 1046 1.01 1129 1.19 1209 1.39 1280 1.58
1345 1.77 1410 1.97 1473 2.20 1621 2.42 1564 2.64
2300 993 0.96 1079 1.13 1160 1.31 1237 1.51
1309 1.71 1372 1.91 1434 2.11 1496 2.34 1544 2.57 1589 2.80
2400 1029 1.07 1112 1.25 1190 1.43 1264 1.63
1336 1.85 1400 2.06 1459 2.26 1519 2.48 1568 2.73 1613 2.97
2500 1066 1.20 1145 1.39 1220 1.57 1292 1.77
1363 2.00 1428 2.22 1486 2.43 1543 2.65 1593 2.92 1639 3.17
2600 1103 1.34 1179 1.52 1251 1.71
1322 1.92 1390 2.15 1456 2.38 1514 2.61 1569 2.83 1620 3.11 1666 3.39
2700 1140 1.48 1212 1.67 1283 1.87
1352 2.09 1418 2.31 1483 2.56 1543 2.80 1600 3.12 1651 3.43 1699 3.74
2800 1177 1.64 1246 1.83
1316 2.04 1383 2.26 1446 2.48 1510 2.73 1574 3.09 1632 3.45 1685 3.79 1733 4.13
2900 1215 1.81 1281 2.00
1349 2.22 1413 2.44 1476 2.67 1537 2.92 1602 3.31 1661 3.69 1715 4.06 1764 4.42
3000 1253 2.00
1316 2.19 1382 2.42 1444 2.63 1506 2.88 1582 3.34 1649 3.78 1710 4.21 1765 4.64 ——
Bhp —
Brake Horsepower Input to Fan
551B090 (7
1
/
2
TONS) — STANDARD AND HIGH-STATIC MOTOR (BELT DRIVE)
Airflow
(Cfm)
External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
2250 465 0.43 554 0.64 630 0.86 695 1.09 757 1.34 810 1.62
850 1.91 873 2.20 863 2.50 855 2.78
2300 471 0.45 559 0.66 635 0.89 699 1.12 760 1.37 816 1.65
859 1.94 888 2.24 897 2.55 887 2.85
2400 482 0.50 569 0.71 645 0.95 708 1.18 768 1.44 824 1.72
872 2.01 909 2.32 931 2.64 935 2.96
2500 494 0.54 581 0.76 654 1.01 717 1.25 776 1.51 832 1.79
882 2.09 925 2.40 955 2.72 972 3.06
2550 501 0.57 587 0.79 659 1.05 722 1.29 780 1.55 836 1.83
887 2.13 931 2.45 964 2.77 986 3.11
2660 507 0.59 592 0.82 663 1.08 727 1.32 784 1.58 839 1.87
891 2.17 936 2.49 973 2.82 999 3.16
2700 520 0.65 604 0.89 672 1.14 737 1.40 793 1.66
846 1.95 898 2.26 946 2.58 987 2.91 1019 3.26
2800 533 0.71 615 0.95 683 1.20 747 1.49 802 1.75
855 2.04 906 2.35 954 2.67 997 3.01 1034 3.36
2900 546 0.77 626 1.02 693 1.27 756 1.57 813 1.84
863 2.13 913 2.44 961 2.77 1006 3.12 ——
3000 559 0.83 637 1.09 704 1.35 765 1.66 823 1.94
872 2.22 921 2.54 969 2.88 1014 3.22 ——
3100 572 0.90 648 1.17 715 1.43 775 1.74 832 2.05
882 2.33 930 2.65 976 2.99 1021 3.34 ——
3200 585 0.96 660 1.24 727 1.52 785 1.83
841 2.15 892 2.45 939 2.76 984 3.10 ————
3300 598 1.03 671 1.32 739 1.62 795 1.91
851 2.26 902 2.57 948 2.88
993 3.21 ————
3400 610 1.10 682 1.41 750 1.72 806 2.01
8602.369122.69958 3.01 1002 3.34 ————
3500 623 1.17 694 1.50 761 1.82 817 2.11
8702.479212.82968 3.15 ——————
3600 636 1.25 707 1.60 772 1.93 828 2.23
880 2.57 930 2.95 978 3.29 ——————
3700 649 1.33 720 1.71 783 2.03
840 2.35 890 2.69 940 3.07 ————————
3750 655 1.37 727 1.77 789 2.09
846 2.42 896 2.75 945 3.14 ————————
Bhp —
Brake Horsepower Input to Fan
0TFQ004-012
551B036-150
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