MA7200 PLUS Inverter 3 to 75 HP Fan Quick Start Manual
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TECO – Westinghouse Motor Company 10
Appendix A-
Changing display to read output speed in percent (%) of full speed.
The display is factory defaulted to show the inverter output frequency in Hz. If desired, the
display can be changed to show the output frequency as a percentage of full speed. To do this
parameter Cn-28 must be changed from (00000) to (00001) as follows:
PRGM
DRIVE
DSPL
EDIT
ENTER
Cn – 01 -
key 3 times Input Voltage
Flashing
To set parameter Cn-28 = 1
Keypad Steps Resulting Display
1 - Press the
2 - Press the
3 - Press the key until display shows
4 - Press the key
key An – 01 -
Freq. Cmd. 1
EDIT
ENTER key to save
6 - Press the Entry Accepted 2 Seconds
PRGM
DRIVE
7 - Press the key to return to the main display.
Flashing
Cn-28-
Cn-28 = 00000
key
Flashing
5 - Press the
Operator DSPL Unit
Operator DSPL Unit
Cn-28 = 00001
Operator DSPL Unit
(Display Percent)
Flashing
Cn-28 = 00001
Operator DSPL Unit