Changing The Emc Protection Class - Honeywell NX series User Manual

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6.1.3

Changing the EMC protection class

The EMC protection level of NX frequency converters can be changed from class H to class T (and from
class L to T in NX_6 FR6) with a simple procedure presented in the following figures.
Note! After having performed the change check EMC Level modified on the sticker included in the NX
delivery (see below) and note the date. Unless already done, attach the sticker close to the nameplate of
the frequency converter.
Drive m odified:
Option board:
N XOPT ................
in slot:
A
IP54 upgrade/ Collar
EMC level modified: H/ L to T
FR4 and FR5:
Remove this screw
Figure 6-2. Changing of EMC protection class, FR4 (left) and FR5 (right). First remove the cable cover.
FR6:
CABLING AND CONNECTIONS
Date:...................
B C D E
Date:...................
Date:...................
Remove these screws
Figure 6-3. Changing of EMC protection class, FR6. The cable cover does not need to be
removed
Remove this screw