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Table 8—581B and 581C Fan Rpm at Motor Pulley Setting With Standard Motor*
U
N
I
T
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 rpmshown (standard motor/drive).
Table 9—581B Fan Rpm at MotorPulley Setting With High-Static Motor*
U
N
I
T
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
0
3
6
208/230 4.9
036
Three 1.20 1000
460 2.2
T
h
r
e
e
1
.
2
0
1
0
0
0
575 2.2
Single 1.20 1000 208/230 4.9
0
4
8
208/230 4.9
048
Three 1.20 1000
460 2.2
T
h
r
e
e
1
.
2
0
1
0
0
0
575 2.2
Single 1.30 1455 208/230 7.0
0
6
0
208/230 6.7
060
Three 2.40 2120
460 3.0
T
h
r
e
e
2
.
4
0
2
1
2
0
575 3.0
208/230 6.7
072
Three 2.40 2120
460 3.0
0
7
2
T
h
r
e
e
2
.
4
0
2
1
2
0
575 3.0
LEGEND
Bhp — Brake Horsepower
*Extensivemotorand electrical testingon theseunitsensuresthat the fullhorsepowerand watts rangeof the motorscan beutilized with confidence.Usingthe
fan motorsup to the ratingsshownin thistablewillnot result in nuisancetrippingor prematuremotor failure. Unit warranty will not be affected.
Table 11—Accessory Static Pr essure
C
O
M
P
O
N
E
N
T
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
0
3
6
T
h
r
e
e
2
.
4
0
2
1
2
0
575 3.0
208/230 6.7
048
Three 2.40 2120
460 3.0
0
4
8
T
h
r
e
e
2
.
4
0
2
1
2
0
575 3.0
208/230 8.6
060
Three 2.90 2615
460 3.9
0
6
0
T
h
r
e
e
2
.
9
0
2
6
1
5
575 3.9
208/230 8.6
072
Three 2.90 2615
460 3.9
0
7
2
T
h
r
e
e
2
.
9
0
2
6
1
5
575 3.9
LEGEND
Bhp — Brake Horsepower
*Extensivemotorand electrical testingon theseunitsensuresthat the fullhorsepowerand watts rangeof the motorscan beutilized with confidence.Usingthe
fan motorsup to the ratingsshownin thistablewillnot result in nuisancetrippingor prematuremotor failure. Unit warranty will not be affected.
581B,C