Operating Instructions

7
Demonstration Configurations
Bypass Operation
26
Siemens Industry, Inc. 125-1007 Rev.BA
2014-08-14
Button Icon
Button Name
Description
OK
Once the frequency is set to the desired value, press
OK
to lock the setting.
OFF Mode
OFF mode overrides the automation system and does not allow the motor to run. For
example, if you want to change filters in an air handling unit and want to turn the unit
off for entry into the system.
In OFF mode, both the Bypass (M1) and the Output (M2) contactors are open to
prevent power from getting to the motor.
1. At the drive keypad, press the
Hand/Auto
button
.
2.
Use the
Up
and/or
Down
Arrow
buttons
to highlight
OFF
, then press
OK
..
3.
Use the
Up
and/or
Down Arrow
buttons
to highlight
Activate
, then press
OK
.
The unit is now off. It is not being controlled by the Drive or the Bypass. The motor will
not spin, and the display will return to the default display.
Bypass Mode
Bypass mode is used to override the automation system, and have the motor run
directly from the voltage at full speed.
1. At the drive keypad, press the
Hand/Auto
button
.