Honeywell NXL User Manual download pdf (Page 27)

Installation 27(96)

5.3

Changing EMC protection class from H/C to T in NXL HVAC

The EMC protection class of NXL HVAC frequency converter types can be changed from class H/C

to class T with a simple procedure presented in the figures below.

Figure 5-7. Changing of EMC protection class, MF4 (left) and MF5 (right)

Figure 5-8. Changing of EMC protection class, MF6

Note! Do not attempt to change the EMC-level back to class H or C. Even if the procedure above is

reversed, the frequency converter will no longer fulfil the EMC requirements of class H or C!

Remove this

screw

Remove this screw

Remove these

screws

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Honeywell NXL User Manual Page 27