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PERFORMANCE DATA — 581C
FAN RPM AT MOTOR PULLEY SETTING WITH STANDARD MOTOR* — 581C024-060
*Approximate fan rpm shown (standard motor/drive).
FAN RPM AT MOTOR PULLEY SETTING WITH HIGH-STATIC MOTOR* — 581C030-060
*Approximate fan rpm shown (high-static motor/drive).
EVAPORATOR-FAN MOTOR PERFORMANCE — STANDARD MOTOR — 581C024-060
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.
EVAPORATOR-FAN MOTOR PERFORMANCE — HIGH-STATIC MOTORS — 581C036-060
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.
UNIT
581C
MOTOR PULLEY TURNS OPEN
0
1
/
2
11
1
/
2
22
1
/
2
33
1
/
2
44
1
/
2
55
1
/
2
6
024 936 906 876 846 816 786 756 726 696 656 639 — —
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
UNIT
581C
MOTOR PULLEY TURNS OPEN
0
1
/
2
11
1
/
2
22
1
/
2
33
1
/
2
44
1
/
2
55
1
/
2
6
030 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 — —
UNIT
581C
UNIT
PHASE
MAXIMUM
CONTINUOUS BHP*
MAXIMUM
OPERATING WATTS*
UNIT VOLTAGE
MAXIMUM
AMP DRAW
024 Single 0.58 580 208/230 2.0
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 9.2
Three 2.40 2120
208/230 6.7
460 3.0
575 3.0
UNIT
581C
UNIT
PHASE
MAXIMUM
CONTINUOUS BHP*
MAXIMUM
OPERATING WATTS*
UNIT VOLTAGE
MAXIMUM
AMP DRAW
036 Three 2.40 2120
208/230 6.7
460 3.0
575 3.0
048 Three 2.40 2120
208/230 6.7
460 3.0
575 3.0
060 Three 2.90 2615
208/230 8.6
460 3.9
575 3.9