Siemens SED2 VFD Start-Up

Startup Procedure and Checklist SED2 Variable Frequency Drives
Document Number 155-718
September 14, 2011
Page 6 Siemens Industry, Inc.
HVAC Startup
Procedure for SED2
with Electronic
Bypass Option
Review the Preparing for SED2 VFD Startup section in this document.
Use the following HVAC startup procedure for SED2 VFDs with the Bypass Option. For
startup of SED2 VFDs without the Bypass Option, see the HVAC Startup Procedure for
SED2 without Bypass Option section in this document.
Check Step
( ) 1.
Verify that the electrical supply power lines connect to the input device and that the motor leads
connect to the output terminals of the overload relay. Ensure that all connections are tight; factory
connections may come loose during shipment. Set the thermal mechanical overload for the
bypass panel to the motor’s FLA.
( ) 2.
Record all other connections to the bypass cabinet or the VFD and confirm (if applicable) that the
building management system logic is ready to perform adequately for start, stop, and speed
command functions.
( ) 3.
( ) 4.
Apply power to the drive and bypass package. Make sure that all three phases are present and
that the input voltage is correct for the system being set up. Then press the
Input
On/Off
VFD0098R1
button.
( ) 5. Verify that the drive display is on.
( ) 6.
Press
to access Parameter r0000 and to enter the SED2 programming mode. From here, you
can access and change Level 1 parameters using
or .
Repeatedly press
to advance to Parameter P0010. Press to access the parameter values
level.
Press to advance to 1. Press to confirm and save the P0010=1 setting. The Quick
Commissioning procedure starts. See the Quick Commissioning Procedure section in this
document for details.
On completion of the Quick Commissioning procedure, continue with Step 7.
( ) 7.
Press
and then
to return to the drive operating mode.
( ) 8.
To start the Drive, press
and then (green start key). The drive will ramp up to “10 HZ”.
Verify that the direction of motor rotation is correct.
NOTE: If the direction of motor rotation is wrong, press the
STOP
RESET
VFD0102R1
button; and turn Power Off!
Wait for 5 minutes.
Swap wires on the motor terminals (T1(u), T2(v)) or on the output terminals of the
motor overload relay. Tighten the terminal lugs, reapply power, press the
Enable
VFD0099R1
button
and recheck the direction of motor rotation.

Siemens SED2 VFD Specifications

General

Brand	Siemens
Model	SED2 VFD
Category	DC Drives
Language	English