Operating Instructions

SED2 VFD Startup, Operation, and Maintenance Manual
60 Siemens Building Technologies, Inc.
( ) 13. Record any other connections to the SED2 by terminal
number to determine if special programming is required.
Record any changes in Appendix A: Parameters, Defaults,
and Settings.
( ) 14. Make certain the immediate area around the SED2 is free of
debris and miscellaneous items.
( ) 15. If applicable, verify that the building automation system logic
is ready to perform adequately for start, stop, and speed
command functions.
This concludes the preparation process for SED2 startup.
Keep this manual, option schematics, and any other instructions sent
with the SED2 easily accessible to assist you through the remainder
of this startup process.
SED2 (stand-alone) Startup
Procedure
NOTE: For SED2 with bypass option, see the documentation
provided with bypass for startup instructions.
Check Step
( ) 1. Make sure that all three power phases are present and that
the input voltage is correct for the SED2 being started.
Apply SED2 power and verify that the SED2 display is on.
If the display indicates a fault, press
to reset it.
( ) 2. Perform quick commissioning according to the Quick
Commissioning Procedure section in this manual.
On completion of the quick commissioning procedure,
proceed to step 3.
( ) 3.
Press
and
to return to the SED2 operating mode.
Press to place SED2 in Hand mode.
( ) 4.
To start the SED2, press
(green start pushbutton). The
SED2 will ramp up to 10 Hz (or minimum speed). Verify
that the direction of motor rotation is correct.
CAUTION:
If the direction of motor rotation is wrong, turn power Off!