27
Table 8—581B and 581C Fan Rpm at Motor Pulley Setting With Standard Motor*
UNIT
MOTOR PULLEY TURNS OPEN
UNIT
0
1
/
2
1
1
1
/
2
2
2
1
/
2
3
3
1
/
2
4
4
1
/
2
5
5
1
/
2
6
024
936
906
876
846
816
786
756
726
696
666
639
—
—
036
1044
1008
971
935
898
862
826
789
753
716
680
—
—
048
1185
1144
1102
1061
1019
978
936
895
853
812
770
—
—
060
1460
1425
1389
1354
1318
1283
1248
1212
1177
1141
1106
1070
1035
072
1585
1538
1492
1445
1399
1352
1305
1259
1212
1166
1119
—
—
*Approximate fan rpm shown (standard motor/drive).
Table 9—581B Fan Rpm at Motor Pulley Setting With High-Static Motor*
UNIT
MOTOR PULLEY TURNS OPEN
UNIT
0
1
/
2
1
1
1
/
2
2
2
1
/
2
3
3
1
/
2
4
4
1
/
2
5
5
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
—
—
*Approximate fan rpm shown (high-static motor/drive).
Table 10—Evaporator-Fan Motor Data — Standard Motor
UNIT
581B
581C
UNIT
PHASE
MAXIMUM
CONTINUOUS BHP*
MAXIMUM
OPERATING WATTS*
UNIT VOLTAGE
MAXIMUM
AMP DRAW
024
Single
0.58
580
208/230
2.0
Single
1.20
1000
208/230
4.9
036
208/230
4.9
036
Three
1.20
1000
460
2.2
Three
1.20
1000
575
2.2
Single
1.20
1000
208/230
4.9
048
208/230
4.9
048
Three
1.20
1000
460
2.2
Three
1.20
1000
575
2.2
Single
1.30
1455
208/230
7.0
060
208/230
6.7
060
Three
2.40
2120
460
3.0
Three
2.40
2120
575
3.0
208/230
6.7
072
Three
2.40
2120
460
3.0
072
Three
2.40
2120
575
3.0
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 confidence. Using the
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.
Table 11—Accessory Static Pressure
COMPONENT
CFM
COMPONENT
600
800
1000
1250
1500
1750
2000
2250
2500
2750
3000
Vertical EconoMi$er IV
0.010
0.020
0.035
0.045
0.065
0.080
0.120
0.145
0.175
0.220
0.255
Horizontal EconoMi$er IV
—
—
—
—
—
0.100
0.125
0.150
0.180
0.225
0.275
Table 12—Evaporator-Fan Motor Data — High-Static Motors
UNIT
581B
UNIT
PHASE
MAXIMUM
CONTINUOUS BHP*
MAXIMUM
OPERATING WATTS*
UNIT VOLTAGE
MAXIMUM
AMP DRAW
208/230
6.7
036
Three
2.40
2120
460
3.0
036
Three
2.40
2120
575
3.0
208/230
6.7
048
Three
2.40
2120
460
3.0
048
Three
2.40
2120
575
3.0
208/230
8.6
060
Three
2.90
2615
460
3.9
060
Three
2.90
2615
575
3.9
208/230
8.6
072
Three
2.90
2615
460
3.9
072
Three
2.90
2615
575
3.9
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 confidence. Using the
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.
581B
,C