Baldor 22H series Installation & Operating Manual page 25

Section 1
General Information
Figure 3-2 Contactor Transformer Tap Change (380 -400VAC Input)
440VAC
H1
380VAC
3-14 Receiving & Installation
Size C+, D, D+ E, and F size control procedure:
Control Transformer
1. Terminate drive operation and disable the control.
2. Remove all power sources from the control. If power has been applied, wait at
least 5 minutes for bus capacitors to discharge.
3. Remove or open the front cover.
4. Remove the wire from terminal 5 of the control transformer.
5. Place the wire that was removed from terminal 5 onto terminal 4.
6. Install or close the front cover.
Contactor Transformer
Only size E and F controls require a change of the contactor transformer tap. See Figure
3-2. Use the taps (H1 to H5) that are correct for the input voltage.
550VAC
H3
H2
H5
600VAC
H4
Voltage
Frequency
50 / 60 380 H1 – H2
Hz 440-460 H1 – H3
550 H1 – H4
600 H1 – H5
Taps
MN722