Operating Instructions

Operation (Electronic Bypass Only)
OFF Mode
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Siemens Industry, Inc. BT300 Bypass Operator's Manual DPD01391
Building Technologies 2017-09-28
4.
Use the Up and/or Down Arrow buttons to
highlight Activate, and then press OK .
The unit is now operating in Hand mode. The following table outlines the buttons you
can use to control the drive.
Button Icon Button Name Description
Start Start the drive.
Stop Stop the drive.
Up and Down
Arrows
Set the desired frequency (changes are immediate).
OK Button Once the frequency is set to the desired value, press OK to lock the
setting.
OFF Mode
OFF mode is used when the operator you want to override the automation system and
not allow the motor to run. For example, you want to change filters in an air handling
unit and wants 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, and then press OK .