Siemens BT300 Operator's Manual page 14

Bypass variable frequency drive
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Start-up Procedures
Start-up Procedure, Conventional Bypass (C-Bypass)
Step
Check
17
Complete any other application specific settings for the site as required.
18
The automatic reset is configured for 30-second intervals and 10 reset attempts. If this is not acceptable, configure the
automatic reset settings found in the Parameters (3)/Automatic Reset (3.10) menu for desired settings.
19
The default display has been configured to wait for 2 minutes of keypad inactivity before switching to the multi-monitor
display. If this is not acceptable, see Timeout Time (5.7.1) and Default Page (5.7.2) for desired settings.
20
Manually run the drive throughout its entire operation range while observing operation.
If the drive trips on an over-current during acceleration, adjust the Accel time 1 (3.4.2).
If the drive trips on an over-voltage during deceleration, adjust the Decel time 1 (3.4.3).
If excessive vibration of the driven load is noted at specific input frequencies, use Prohibited Frequencies (3.7) to eliminate
this vibration.
21
Determine whether the speed reference signal is 0 to 10 Vdc or a 4 to 20 mA. Connect signal wires, and place the DIP
switch in the appropriate position.
NOTE: Ensure that the drive power is off before changing the DIP switches.
22
Verify the speed reference signal for proper polarity and operation.
23
Place the drive in AUTO mode at the keypad. Verify that the drive is controlled properly by the building automation system.
Observe if the speed command can achieve the minimum and maximum speeds desired. If not, scale as required.
24
Configure the Password and Access Level, if desired. This prevents unauthorized parameterization using the keypad.
14
Siemens Industry, Inc.
Description
BT300 Bypass Operator's Manual
DPD01391
2016-08-05

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