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Danfoss VLT HVAC Drive User Manual

Danfoss VLT HVAC Drive
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Function:
Select a variable for display in line 1, left po-
sition.
None
[0] No display value selected
Control Word
[1600] Present control word
Reference [Unit]
[1601] Total reference
(sum of digital/analog/preset/bus/freeze ref./
catch up and slow-down) in selected unit.
*Reference %
[1602] Total reference (sum
of digital/analog/preset/bus/freeze ref./catch
up and slow-down) in percent.
Status Word [binary]
[1603] Present status
word
Main Actual Value
[1605] [Hex] One or
more warnings in a Hex code
Power [kW]
[1610] Actual power consumed
by the motor in kW.
Power [hp]
[1611] Actual power consumed
by the motor in HP.
Motor Voltage [V]
[1612] Voltage supplied
to the motor.
Frequency [Hz]
[1613] Motor frequency,
i.e., the output frequency from the adjustable
frequency drive in Hz.
Motor Current [A]
[1614] Phase current of
the motor measured as effective value.
Frequency [%]
[1615] Motor frequency,
i.e., the output frequency from the adjustable
frequency drive in percent.
Torque [%]
[1616] Present motor load as a
percentage of the rated motor torque.
Speed [RPM]
[1617] Speed in RPM (revolu-
tions per minute), i.e., the motor shaft speed
in closed-loop based on the entered motor
nameplate data, the output frequency and the
load on the adjustable frequency drive.
Motor Thermal
[1618] Thermal load on the
motor, calculated by the ETR function. See al-
so parameter group 1-9* Motor Temperature.
DC Link Voltage [V]
[1630] Intermediate
circuit voltage in the adjustable frequency
drive.
Brake Energy /s
[1632] Present braking en-
ergy transferred to an external brake resistor.
Stated as an instantaneous value.
Brake Energy /2 min
[1633] Braking ener-
gy transferred to an external brake resistor.
The mean power is calculated continuously for
the latest 120 seconds.
Heatsink Temperature [°C]
[1634]
Present heat sink temperature of the adjust-
able frequency drive. The cut-out limit is 203
± 9°F [95 ± 5°C]; cutting back in occurs at
158 ± 9°F [70 ± 5°C].
Inverter Thermal
[1635] Percentage load of
the inverters
Inv. Nom. Current
[1636] Nominal current
of the adjustable frequency drive.
Inv. Max. Current
[1637] Maximum current
of the adjustable frequency drive.
SL Control State
[1638] State of the event
executed by the control
Control Card Temperature
[1639] Tem-
perature of the control card.
External Reference
[1650] [%] Sum of the
external reference as a percentage, i.e., the
sum of analog/pulse/bus.
Feedback [Unit]
[1652] Reference value
from programmed digital input(s).
Digital Input
[1660] Displays the status of
the 6 digital input terminals (18, 19, 27, 29,
32 and 33). Input 18 corresponds to the bit at
the far left. Signal low = 0; Signal high = 1
Terminal 53 Switch Setting
[1661] Setting
of input terminal 53. Current = 0; Voltage =
1.
Analog Input 53
[1662] Actual value at in-
put 53 either as a reference or protection
value.
Terminal 54 Switch Setting
[1663] Setting
of input terminal 54. Current = 0; Voltage =
1.
Analog Input 54
[1664] Actual value at in-
put 54 either as reference or protection value.
Analog Output 42 [mA]
[1665] Actual val-
ue at output 42 in mA. Use par. 6-50 to select
the variable to be represented by output 42.
Digital Output [bin]
[1666] Binary value of
all digital outputs.
Frequency Input #29 [Hz]
[1667] Actual
value of the frequency applied at terminal 29
as a pulse input.
Frequency Input #33 [Hz]
[1668] Actual
value of the frequency applied at terminal 33
as a pulse input.
Pulse Output #27 [Hz]
[1669] Actual value
of pulses applied to terminal 27 in digital out-
put mode.
Pulse Output #29 [Hz]
[1670] Actual value
of pulses applied to terminal 29 in digital out-
put mode.
6. How to program the adjustable frequency
drive
VLT
®
HVAC Drive Instruction Manual
72
MG.11.A4.22 - VLT
®
is a registered Danfoss trademark
6

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Danfoss VLT HVAC Drive Specifications

General IconGeneral
TypeVLT HVAC Drive
STO (Safe Torque Off)Yes
EnclosureIP20
Output Frequency0-500 Hz
Brake ChopperBuilt-in (depending on frame size)
EMC FilterBuilt-in (depending on frame size)
CommunicationEthernet
Power Range0.37 kW to 630 kW
Input Voltage200-240V, 380-480V, 525-600V
Protection FeaturesOverload, Overvoltage, Undervoltage, Short Circuit, Ground Fault
Ambient Temperature-10°C to +50°C (with derating above +40°C)
Storage Temperature-25°C to +70°C
Relative Humidity5-95% (non-condensing)
Cooling MethodAir-cooled

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