Danfoss VLT Programming Guide

The relation will depend on the type of unit selected in par. 0-30 Custom Readout Unit :
Unit Type
Speed Relation
Dimensionless Linear
Speed
Flow, volume
Flow, mass
Velocity
Length
Temperature
Pressure Quadratic
Power Cubic
0-30 Custom Readout Unit
Option: Function:
Program a value to be shown in the display of the LCP. The value has a linear, squared or cubed
relation to speed. This relation depends on the unit selected (see table above). The actual calculated
value can be read in par. 16-09
Custom Readout , and/or shown in the display be selecting Custom
Readout [16-09] in par. 0-20
Display Line 1.1 Small to par. 0-24 Display Line 3 Large .
[0]
[1] * %
[5] PPM
[10] 1/min
[11] RPM
[12] Pulse/s
[20] l/s
[21] l/min
[22] l/h
[23] m³/s
[24] m³/min
[25] m³/h
[30] kg/s
[31] kg/min
[32] kg/h
VLT
®
HVAC Drive Programming Guide 3 Parameter Description
MG.11.C9.02 - VLT
®
is a registered Danfoss trademark 41
3

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)