Daikin Vision CAH 003-090 C Installation And Maintenance Manual page 31

Figure 47: Fan Wheel Rotation
Figure 48: Wheel-to-Inlet Funnel Relationship—
Inline Fans Overlap
Table 10: Wheel-to-Inlet Funnel Relationship—Inline Fans
Wheel—Funnel Overlap
Size
150
165
182
200
222
245
270
300
330
365
402
445
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Overlap
Overlap
.375
.438
.562
.625
.688
.750
.812
.875
1 .000
1 .125
1 .250
1 .375
Table 11: Wheel-to-Inlet Funnel Relationship—
Direct-Drive Fans Only Class II fans
Fan Size
11
12
15
16
18
20
22
24
27
30
33
36
40
44
Table 12: Wheel-to-Inlet Funnel Relationship—
Direct-Drive Class III fans
Fan Size
13
15
16
18
20
22
24
27
30
33
36
40
44
49
54
60
31 IM 672-11 • VISION AIR HANDLING UNIT
o
peraTIon
Overlap (in .)
0 .25
0 .25
0 .25
0 .38
0 .38
0 .41
0 .45
0 .50
0 .55
0 .61
0 .67
0 .75
0 .82
0 .91
Overlap (in .)
0 .12
0 .19
0 .25
0 .31
0 .38
0 .44
0 .50
0 .56
0 .62
0 .75
0 .81
0 .88
0 .94
1 .0
1 .06
1 .12