Fan Rpm At Motor Pulley Settings; Evaporator-Fan Motor Efficiency; Typical Belt-Drive Motor Mounting For Sizes 120-151; Evaporator-Fan Pulley Adjustment - Bryant DuraPac 580F Series Installation, Start-Up And Service Instructions Manual

Fig. 34 — Typical Belt-Drive Motor Mounting
for Sizes 120-151
UNIT 580F
0
090,091† 840
090,091** 935
090,091†† 1080
102,103† 935
102,103†† 1080
120,121† 935
120,121** 1085
120,121†† 1130
150,151† 1080
150,151** 1130
*Approximate fan rpm shown.
†Indicates standard motor and drive package.
Table 8 — Fan Rpm at Motor Pulley Settings*
1 1
/ 1 1 /
2 2
815 790 765 740
910 885 860 835
1025 1007 988 970
910 885 860 835
1025 1007 988 970
910 885 860 835
1060 1035 1010 985
1112 1087 1062 1037
1060 1035 1015 990
1112 1087 1062 1037
Table 9 — Evaporator-Fan Motor Efficiency
UNIT
580F
090-121
150,151
NOTE: All indoor-fan motors 5 hp and larger meet the minimum effi-
ciency requirements as established by the Energy Policy Act of 1992
(EPACT) effective October 24, 1997.
Fig. 35 — Evaporator-Fan Pulley Adjustment
MOTOR PULLEY TURNS OPEN
1 1
2 2 / 3 3 /
2 2
715 690 665
810 785 760
952 933 915
810 785 760
952 933 915
810 785 760
960 935 910
1012 987 962
970 950 925
1012 987 962
**Indicates alternate motor and drive package.
††Indicates high-static motor and drive package.
MOTOR EFFICIENCY
(%)
80
87
— 28 —
1 1
4 4 / 5 5 /
2
635 615 590 —
735 710 685 —
897 878 860 —
735 710 685 —
897 878 860 —
735 710 685 —
885 860 835 —
937 912 887 862
905 880 860 —
937 912 887 862
6
2
—
—
—
—
—
—
—
830
—
830