Delta VFD-B Series User Manual

Chapter 8 Maintenance and Inspections|VFD-B-P Series
8-2 Revision April 2009, SW V1.00
Periodical Maintenance
 Ambient environment
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
Check the ambient temperature,
humidity, vibration and see if
there is any dust, gas, oil or
water drops
Visual inspection and measurement
with equipment with standard
specification
{
Check for any dangerous
objects near drive and motor
Visual inspection
{
 Voltage
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
Check if the voltage of main
circuit and control circuit is
correct
Measure with multimeter with standard
specification
{
 Keypad
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
Is the display clear for reading Visual inspection
{
Any missing characters Visual inspection
{
 Mechanical parts
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
If there is any abnormal sound
or vibration
Visual and aural inspection
{
If there are any loose screws Tighten the screws
{

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)