Danfoss FC 100 Series - Abbreviations and Standards in VLT HVAC Drives

1.1.3 Abbreviations and Standards
Abbreviations: Terms: SI-units: I-P units:
a Acceleration
m/s
2
ft/s
2
AWG American wire gauge
Auto Tune Automatic Motor Tuning
°C
Celsius
ICurrent AAmp
I
LIM
Current limit
IT mains
Mains supply with star point in transformer floating to
ground.
Joule Energy J = Nm ft-lb, Btu
°F
Fahrenheit
FC Frequency Converter
f Frequency Hz Hz
kHz Kilohertz kHz kHz
LCP Local Control Panel
mA Milliampere
ms Millisecond
min Minute
MCT Motion Control Tool
M-TYPE Motor Type Dependent
Nm Newton Metres in-lbs
I
M,N
Nominal motor current
f
M,N
Nominal motor frequency
P
M,N
Nominal motor power
U
M,N
Nominal motor voltage
par. Parameter
PELV Protective Extra Low Voltage
Watt Power W Btu/hr, hp
Pascal Pressure Pa = N/m psi, psf, ft of water
I
INV
Rated Inverter Output Current
RPM Revolutions Per Minute
SR Size Related
T Temperature C F
tTime ss,hr
T
LIM
Torque limit
UVoltage VV
Table 1.1: Abbreviation and standards table
Introduction
VLT
®
HVAC Drive Operating Instructions
MG.11.AD.02 - VLT
®
is a registered Danfoss trademark 5
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