Section 1
General Information
3-14 Receiving & Installation
MN722
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.
Figure 3-2 Contactor Transformer Tap Change (380 -400VAC Input)
H2
H3
H4
H5
380VAC
440VAC
550VAC
600VAC
H1
Voltage
Taps
380
440-460
550
600
H1 – H2
H1 – H3
H1 – H4
H1 – H5
Frequency
50 / 60
Hz
Summary of Contents for 22H series
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Page 105: ...Section 1 General Information 5 22 Troubleshooting MN722...
Page 109: ...Section 1 General Information 6 4 Manual Tuning the Series 22H Control MN722...
Page 137: ...Section 1 General Information A 8 Appendix A MN722...
Page 138: ...Appendix B Appendix B 1 MN722...