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5. INSTALLATION
The fan must be installed according to the air direction label on the fan. Before the start of assembly,
examine manually whether the fan wheel runs freely. Before installation, check the minimum air gap between
the blade tip and the housing according to the following table. During assembly, secure the assembly area.
Take precautions for any access by unauthorized persons. The fan should be installed in a way that makes
service and maintenance easy. The electrical connection must be made by using the exproof certified
coupling Ex d protection type, T4 temperature class from the junction box. A wiring diagram is applied on the
inside of the junction box or separately enclosed. Electrical installations must be made by trained and
authorized electrician.
Fan Diameter
VAX EX
Min. (mm)
Max. (mm)
500
1,4
2,4
560
1,4
2,4
630
1,58
2,58
710
1,78
2,78
800
2
3
900
2,25
3,25
1000
2,5
3,5
1120
2,8
3,8
1250
3,13
4,13
1400
3,5
4,5
Drawing 5.1
Drawing 5.1 illustrates the MFT, MSC, NRD/XS and MFL accessories that could be used with the fan.
The connection of MFT Mounting Bracket, MSC Wire Guard and NRD/XS Vibration Absorber Mounting to
the fan must be done as shown in the following drawing by screw, washer and nut
Drawing 5.1
