Document Version V1.1.0(01/11/2023) 51
manufactured by users themselves should not be less than the circumscribed circle
diameter of the base 750 mm, i.e. ΦD > 750 mm as shown in Figure 5-15.
Figure 5-15 Schematic diagram of inscribed circle diameter of installation plate
Do not hit the fan when hoisting it. Space of at least 500 mm
should be reserved above the fan.
5.3.3
Upward installation
If the installation space is limited, the base should be installed upward, that is,
the base boss should be under the installation plate of the rack.
The installation of the bolts corresponding to the installation surface is shown in
Figure 5-16. As the base boss needs to directly fit the installation plate of the rack, the
