Delta VFD-B Series User Manual

Chapter 8 Maintenance and Inspections|VFD-B-P Series
Revision April 2009, SW V1.00 8-5
 Printed circuit board and connector of main circuit
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
If there are any loose screws and
connectors
Tighten the screws and press the
connectors firmly in place.
{
If there is any peculiar smell and
color change
Visual inspection and smell
{
If there is any crack, damage,
deformation or corrosion
Visual inspection
{
If there is any liquid is leaked or
deformation in capacity
Visual inspection
{
 Ventilation channel of cooling system
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
If there is any obstruction in the
heat sink, air intake or air outlet
Visual inspection
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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)