Danfoss VLT User Manual

in the adjustable frequency drive and opposite. If the switching frequency is increased compared to the default setting, the power losses may
rise significantly.LCP and typical control card power consumptions are included. Further options and customer load may add up to 30W to the
losses. (Though typical only 4W extra for a fully loaded control card, or options for slot A or slot B, each).
Although measurements are made with state of the art equipment, some measurement inaccuracy must be allowed for (+/-5%).
8 Specifications VLT
®
HVAC Drive Instruction Manual
8-14 MG.11.A9.22 - VLT
®
is a registered Danfoss trademark
8

Danfoss VLT Specifications

General

Frequency	50/60 Hz
Enclosure	IP20, IP21, IP55, IP66
Series	VLT
Control Technique	Flux Vector Control
Output Voltage	0-Vinput
Control Method	Fieldbus
Communication Interface	PROFIBUS, CANopen
Protection Features	Overload, Overvoltage, Undervoltage, Short Circuit, Ground Fault
Cooling Method	Liquid Cooled
Storage Temperature	-25°C to +70°C
Relative Humidity	5-95% non-condensing
Altitude	Up to 1000m (3280ft) without derating, up to 4000m (13120ft) with derating
Operating Temperature	-10°C to +50°C (14°F to 122°F)