Delta VFD-B Series User Manual

Chapter 2 Installation and Wiring|VFD-B-P Series
2-2 Revision April 2009, SW V1.00
5. When installing multiple AC motor drives in the same cabinet, they should be adjacent in a row
with enough space in-between. When installing one AC motor drive below another one, use a
metal separation barrier between the AC motor drives to prevent mutual heating.
6. Prevent fiber particles, scraps of paper, saw dust, metal particles, etc. from adhering to the
heatsink.
2.2.1 Minimum mounting clearances
3HP/2.2kW 5HP/3.7kW
UNIT:mm(inch)
UNIT:mm(inch)
7.5-20HP/5.5-15kW and figure for capacity
installed in parallel
25-60HP/18.5-45kW and figure for capacity
installed in vertical position
UNIT:mm(inch)

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)