Delta VFD-B Series User Manual

Revision April 2009, SW V1.00 3-1
Chapter 3 Start Up
3.1 Preparations before Start-up
Carefully check the following items before proceeding.
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Make sure that the wiring is correct. In particular, check that the output terminals U, V, W.
are NOT connected to power and that the drive is well grounded.
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Verify that there are no short-circuits between terminals and from terminals to ground or
mains power.
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Check for loose terminals, connectors or screws.
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Verify that no other equipment is connected to the AC motor
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Make sure that all switches are OFF before applying power to ensure that the AC motor
drive doesn’t start running and there is no abnormal operation after applying power.
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Make sure that the front cover is correctly installed before applying power.
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Do NOT operate the AC motor drive with humid hands.
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Check the following items after applying power:
- The keypad should light up as follows (normal status with no error)
U
F
H
STOP RUN REV
VFD-PU01
FWD JOG
JOG
RUN
RESET
STOP
When power is ON, LEDs "F", "STOP" and
"FWD" should light up. The display will
show "60.00" with the least signification "0"
flashing.

Delta VFD-B Series Specifications

General

Series	VFD-B
Cooling Method	Fan cooling
Overload Capacity	150% for 60 seconds
Braking Unit	Built-in
Control Mode	V/F control, Sensorless Vector Control
Communication	RS-485
Protection Features	Overvoltage, Undervoltage, Overcurrent, Overload, Overtemperature, Short Circuit
Operating Temperature	-10°C to +50°C
Storage Temperature	-20°C to +60°C
Humidity	90% RH (non-condensing)
Altitude	1000m (Derating required above 1000m)