Operating Instructions

Start-up Procedures
Start
-
up Procedure, Electronic Bypass (E
-
Bypass)
16
Siemens Industry, Inc. BT300 Bypass Operator's Manual DPD01391
Building Technologies 2017-09-28
Step Check Description
13 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.
14 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.
15 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.
16 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.
17 Verify the speed reference signal for proper polarity and operation.
18 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.
19 Configure the Password and Access Level, if desired. This prevents unauthorized parameterization using the keypad.