Bryant DURAPAC PLUS 551B User Manual
Page 22
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22
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Table 9 — Fan Rpm at Motor Pulley Setting*; Standard Motor/Drive
*Approximate fan rpm shown.
Table 10 — Fan Rpm at Motor Pulley Setting*; High-Static Motor/Drive
*Approximate fan rpm shown.
Table 11 — 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 confidence. 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.
UNIT
551B
MOTOR PULLEY TURNS OPEN
0
1
/
2
1
1
1
/
2
2
2
1
/
2
3
3
1
/
2
4
4
1
/
2
5
5
1
/
2
6
090,102
1085
1060
1035
1010
985
960
935
910
890
865
840
—
—
120
1080
1060
1035
1015
990
970
950
925
905
880
860
—
—
150
1130
1112
1087
1062
1037
1212
987
962
937
912
887
862
830
UNIT
551B
MOTOR PULLEY TURNS OPEN
0
1
/
2
1
1
1
/
2
2
2
1
/
2
3
3
1
/
2
4
4
1
/
2
5
5
1
/
2
6
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
862
830
UNIT
551B
UNIT
PHASE
MAXIMUM
CONTINUOUS BHP*
MAXIMUM
OPERATING WATTS*
UNIT VOLTAGE
MAXIMUM
AMP DRAW
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
Fig. 38 — Typical Belt-Drive Motor Mounting for
Sizes 102-150
Fig. 39 — Indoor-Fan Pulley Adjustment