Delta VFD-B Series User Manual

Chapter 8 Maintenance and Inspections|VFD-B-P Series
Revision April 2009, SW V1.00 8-3
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
Check parts for deformity or
damaged
Visual inspection
{
If there is any color change
caused by overheating
Visual inspection
{
Check for dust and dirt Visual inspection
{
 Main circuit
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
If there are any loose or missing
screws
Tighten the screw
{
If machine or insulator is
deformed, cracked, damaged or
with color change due to
overheating or ageing
Visual inspection
NOTE: Please ignore the color
change of copper plate
{
Check for dust and dirt Visual inspection
{
 Terminals and wiring of main circuit
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
If the wiring is color change or
deformation due to overheat
Visual inspection
{
If the insulator of wiring is
damaged or color change
Visual inspection
{
If there is any damage Visual inspection
{

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)