Danfoss VLT HVAC User Manual

2.1.4. Abbreviations and Standards
Terms: Abbreviations: SI-units: I-P units:
Acceleration m/s² ft/s²
Alternating current AC A Amp
American wire gauge AWG
Area m² in², ft²
Automatic Motor Adaptation AMA
Centigrade °C
Current A Amp
Current limit
I
LIM
Direct current DC A Amp
Drive Type Dependent D-TYPE
Electronic Thermal Relay ETR
Energy J = N·m ft-lb, Btu
Fahrenheit ˚F
Force N lb
Frequency Converter FC
Frequency Hz Hz
Graphical Local Control Panel GLCP
Heat transfer coefficient W/m²·K Btu/hr·ft²·˚F
Kelvin ˚K
Kilohertz kHz
KiloVoltAmpere KVA
Length m
inch, in, foot,
ft
Local Control Panel LCP
Mass kg pound, lb
Milliampere mA
Millisecond ms
Minute min
Motion Control Tool MCT
Motor Type Dependent M-TYPE
Nanofarad nF
Newton Metres Nm
Nominal motor current
I
M,N
Nominal motor frequency
f
M,N
Nominal motor power
P
M,N
Nominal motor voltage
U
M,N
Numeric Local Control Panel NLCP
Parameter par.
Protective Extra Low Voltage PELV
Power W Btu/hr, hp
Pressure Pa = N/m²
psi, psf, ft of
water
Rated Inverter Output Current
I
INV
Revolutions Per Minute RPM
Size Related SR
Temperature ˚C ˚F
Time s s,hr
Torque limit
T
LIM
Velocity m/s fps, fpm, fph
Voltage V V
Volume m³ in³, ft³
Table 2.2: Abbreviation and Standards table .
2. Introduction VLT
®
HVAC Drive Operating Instructions
12 MG.11.A4.02 - 09.10.06. VLT
®
is a registered Danfoss trademark
2

Danfoss VLT HVAC Specifications

General

Enclosure Rating	IP20, IP21, IP54, IP55, IP66
Storage Temperature Range	-25°C to +70°C
Output Voltage Range	0-100% of supply voltage
Communication Protocols	Modbus RTU, BACnet, Ethernet/IP, Profibus DP
Ambient Temperature Range	-10°C to +50°C (without derating)
Relative Humidity	5% to 95% non-condensing
Altitude	Up to 1000 m without derating
Cooling Method	Air cooled
Application	HVAC systems, Pumps, Fans, Compressors
Voltage Range	200-240 V, 380-500 V, 525-600 V
Frequency Range	0 Hz to 590 Hz