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STEP
A
Startup Checklist
Voltage
□
Verify voltages
Line voltage = ±10% of drive rating – DC bus = Line voltage * 1.414 – Control voltage = 24 VDC
SW1 Switch –
Move to Sink or Source, otherwise
pra
will blink on the keypad.
□
Sink
□
Source
Motor Rotation
– Run the drive at 5 Hz with the keypad (default setting). If incorrect, swap two of the
output leads (T1, T2 or T3) and retest rotation.
□
Verify motor rotates in the correct direction
Blower/Cooling Fan(s) Check
□
Verify fans operate and air flows in correct direction (bottom to top)
Analog Inputs
– Verify polarity. Scaling can be adjusted with parameters F201 to F221.
□
VIC (4-20mA)
□
VIA (0-10VDC)
□
VIB (-10 to +10VDC)
Parameter
Measured Value
L1 – L2
L1 – L3
L2 – L3
L1 – GND
L2 – GND
L3 – GND
DC Bus (PA/+ – PC/-)
Control Voltage (P24 – CC)
