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6000
5000
4000
3000
2000
1000
0
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
DELTA P IN. WG
4&5ton
6 ton
3 ton
C06133
Fig. 39 --- Perfect Humi dityt Adaptive Dehumidification System Static Pressure Drop (in. wg)
C06134
Fig. 40 --- Belt Drive Motor Mounting
C06041
Fig. 41 --- Evaporator-- Fan Pulley Adjustment
Table 8—551B, 551C Fan Rpm at Motor Pulley Setting With Standard Motor*
UNIT
5
5
1
B
MOTOR PULLE Y TURNS OPEN
5
5
1
B
551C
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—551B, 551C Fan Rpm at Motor Pulley Setting With High-Static Motor*
U
N
I
T
MOTOR PULLE Y TURNS OPEN
U
N
I
T
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 — —
*App roximate fan rpm shown (high- static motor/drive).
551B,C