Daikin Vision CAH 003-090 C Installation And Maintenance Manual page 30

Figure 45: Wheel-to-Inlet Funnel Relationship—
13 to 36 Belt-Drive Plenum Fans
Cross Section Reference
B
FROM FUNNEL END TO
FANWHEEL OPENING END
A
C
Table 8: Wheel-to-Inlet Funnel Relationship—
13 to 36 Belt-Drive Plenum Fan
Wheel-Funnel Parameters
Size A
13 0 .25
15 0 .25
16 0 .25
18 0 .38
20 0 .42
22 0 .45
24 0 .51
27 0 .55
30 0 .62
33 0 .55
36 0 .63
IM 672-11 • VISION AIR HANDLING UNIT
EQUALLY SPACED
AROUND DIAMETER
B C
0 .91 3 .50
0 .91 3 .50
0 .91 3 .50
0 .86 3 .88
1 .11 3 .88
1 .11 3 .88
1 .11 3 .88
1 .36 4 .50
1 .36 4 .50
1 .50 5 .00
1 .50 5 .00
Figure 46: Wheel-to-Inlet Funnel Relationship—
40 to 60 Belt-Drive Plenum Fans
Cross Section Reference
FUNNEL END TO FAN
C
Table 9: Wheel-to-Inlet Funnel Relationship—
40 to 60 Belt-Drive Plenum Fan
Wheel-Funnel Parameters
Size A
40 0 .82
44 0 .91
49 1 .00
54 1 .10
60 1 .23
Setscrews on MPQ fan wheels must be installed using a
calibrated torque wrench to the value listed below, ±5%.The
fasteners must be periodically checked to satisfy agency
requirements for components on rotating machinery .
30
o
A
WHEEL OPENING
EQUALLY
SPACED AROUND
B
DIAMETER
B
2 .00
2 .25
2 .50
2 .50
3 .00
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peraTIon
C
4 .88
5 .50
5 .50
5 .50
5 .50