Honeywell SmartVFD HVAC2 Applications Manual page 22

NOTE: Industrial areas, technical areas of any
building fed from a dedicated trans-
former are examples of second environ-
ment locations.
Changing the EMC protection
class from C2 to C4
The EMC protection class of MI1-3 frequency
converters can be changed from class C2 to class
C4 (except 115V and 600V drives) by
EMC-capacitor disconnecting screw
below. MI4 & 5 can also be changed by removing
the EMC jumpers.
NOTE: Do not attempt to change the EMC level
back to class C2. Even if the procedure
above is reversed, the frequency con-
verter will no longer fulfil the EMC
requirements of class C2!
removing the
, see figure
22
Fig. 16. EMC protection class, MI1 - MI3
Fig. 17. EMC protection class, MI4
31-00108—07