Specifications
41
PERFORMANCE DATA (cont)
581B FAN RPM AT MOTOR PULLEY SETTING WITH STANDARD MOTOR
581B FAN RPM AT MOTOR PULLEY SETTING WITH HIGH-STATIC MOTOR
EVAPORATOR-FAN MOTOR DATA — STANDARD MOTOR
LEGEND
Bhp —
Brake Horsepower
*Extensive motor and electrical testing on these units ensures that the
full horsepower and watts range of the motors can be utilized with con-
fidence. Using your fan motors up to the ratings shown in this table will
not result in nuisance tripping or premature motor failure. Unit warranty
will not be affected.
STANDARD MOTOR
Unit
581B
Motor Pulley Turns Open
0
1
/
2
11
1
/
2
22
1
/
2
33
1
/
2
44
1
/
2
55
1
/
2
6
036
1090 1055 1025 990 960 925 890 860 825 795 760 ——
048
1185 1150 1115 1080 1045 1015 980 945 910 875 840 ——
060
(single-phase)
1460 1425 1385 1350 1315 1275 1240 1205 1165 1130 1095 1055 1020
060 (3-phase)
and 072
1585 1540 1490 1445 1400 1350 1305 1260 1210 1165 1120 ——
090,102
1085 1060 1035 1010 985 960 935 910 890 865 840 ——
120
1080 1060 1035 1015 990 970 950 930 905 885 860 ——
150
1260 1220 1185 1155 1130 1100 1075 1045 1015 990 960 930 900
HIGH-STATIC MOTOR
Unit
581B
Motor Pulley Turns Open
0
1
/
2
11
1
/
2
22
1
/
2
33
1
/
2
44
1
/
2
55
1
/
2
6
036
1455 1423 1392 1360 1328 1297 1265 1233 1202 1170 1138 1107 1075
048
1455 1423 1392 1360 1328 1297 1265 1233 1202 1170 1138 1107 1075
060
1685 1589 1557 1525 1493 1460 1428 1396 1364 1332 1300 ——
072
1685 1589 1557 1525 1493 1460 1428 1396 1364 1332 1300 ——
090
1080 1025 1007 988 970 952 933 915 897 878 860 ——
102
1080 1025 1007 988 970 952 933 915 897 878 860 ——
120
1130 1112 1087 1062 1037 1212 987 962 937 912 887 962 830
UNIT
581B
UNIT
PHASE
MAXIMUM
CONTINUOUS BHP*
MAXIMUM
OPERATING WATTS*
UNIT VOLTAGE
MAXIMUM
AMP DRAW
036
Single 1.20 1000 208/230 4.9
Three 1.20 1000
208/230 4.9
460 2.2
575 2.2
048
Single 1.20 1000 208/230 4.9
Three 1.20 1000
208/230 4.9
460 2.2
575 2.2
060
Single 1.30 1650 208/230 10.1
Three 2.40 2120
208/230 6.7
460 3.0
575 3.0
072
Three 2.40 2120
208/230 6.7
460 3.0
575 3.0
090,102
Three 2.90 2615
208/230 8.6
460 3.9
575 3.9
120
Three 3.70 3775
208/230 12.2
460 5.5
575 5.5
150
Three 5.25 4400
208/230 17.3
460 8.5
575 8.5