90
80
70
60
50
40
30
20
10
0
(%)
Drive Derating
0 0.2 0.6 2.2 5.8 11.4 18.1 30.8 152.8 210.8
(Pa)
Pressure Change
130BB011.10
69.5
Figure 3.3 E-Frame Derating vs. Pressure Change (Large Fan)
P355-P450
Drive Air Flow: 850 cfm (1445 m
3
/h)
90
80
70
60
50
40
30
20
10
0
(%)
Drive Derating
0 25 50 75 100 125 150 175 225
130BB190.10
200
Pressure Change
Figure 3.4 F-Frame Derating vs. Pressure Change
Drive Air Flow: 580 cfm (985 m
3
/h)
3.3.2
Lifting
Lift the adjustable frequency drive using the dedicated
lifting eyes. For all D-frames, use a bar to avoid bending
the lifting holes of the adjustable frequency drive.
Figure 3.5 Recommended Lifting Method, Frame Size D13
Figure 3.6 Recommended Lifting Method, Frame Size E9
WARNING
The lifting bar must be able to handle the weight of the
adjustable frequency drive. See chapter 11.2.1 Mechanical
Dimensions for the weight of the different frame sizes.
Maximum diameter for bar is 1 in [2.5 cm]. The angle
from the top of the adjustable frequency drive to the
lifting cable should be 60° or greater.
Installation Instruction Manual
18 Danfoss A/S © Rev. 2014-02-07 All rights reserved. MG37A222
33