Honeywell NXL User Manual

Page 27

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Installation

27(96)

5

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 this screw

Remove these
screws

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