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Danfoss VLT Programming Guide

Danfoss VLT
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[130] lb/s
[131] lb/min
[132] lb/h
[140] ft/s
[141] ft/min
[145] ft
[160] °F
[170] psi
[171] lb/in²
[172] in WG
[173] ft WG
[174] in Hg
[180] HP
24-03 Fire Mode Min Reference
Range: Function:
Application
dependent*
[Application dependant] Minimum value for the reference/set point (limiting the sum of value in par. 24-05
Fire Mode Preset
Reference
and value of signal on input selected in par. 24-06
Fire Mode Reference Source
).
If running in Open loop when Fire Mode is active, the unit is chosen by the setting of
par. 0-02
Motor Speed Unit
. For closed loop, the unit is selected in par. 24-02
Fire Mode Unit
.
24-04 Fire Mode Max Reference
Range: Function:
Application
dependent*
[Application dependant] Maximum value for the reference/set point (limiting the sum of value in par. 24-05
Fire Mode Preset
Reference
and value of signal on input selected in par. 24-06
Fire Mode Reference Source
).
If running in Open loop when Fire Mode is active, the unit is chosen by the setting of
par. 0-02
Motor Speed Unit
. For closed loop, the unit is selected in par. 24-02
Fire Mode Unit
.
24-05 Fire Mode Preset Reference
Range: Function:
0.00 %* [-100.00 - 100.00 %] Enter the required preset reference/set point as a percentage of the Fire Mode Max Reference set
in par. 24-04
Fire Mode Max Reference
. The set value will be added to the value represented by the
signal on the analog input selected in par. 24-06
Fire Mode Reference Source
.
24-06 Fire Mode Reference Source
Option: Function:
Select the external reference input to be used for the Fire Mode. This signal will be added to the
value set in par. 24-06
Fire Mode Reference Source
.
[0] * No function
[1] Analog input 53
[2] Analog input 54
[7] Pulse input 29
[8] Pulse input 33
[20] Digital pot.meter
[21] Analog input X30/11
[22] Analog input X30/12
[23] Analog Input X42/1
[24] Analog Input X42/3
[25] Analog Input X42/5
VLT
®
HVAC Drive Programming Guide 3 Parameter Description
MG.11.C9.02 - VLT
®
is a registered Danfoss trademark
235
3

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Danfoss VLT Specifications

General IconGeneral
Frequency50/60 Hz
EnclosureIP20, IP21, IP55, IP66
SeriesVLT
Control TechniqueFlux Vector Control
Output Voltage0-Vinput
Control MethodFieldbus
Communication InterfacePROFIBUS, CANopen
Protection FeaturesOverload, Overvoltage, Undervoltage, Short Circuit, Ground Fault
Cooling MethodLiquid Cooled
Storage Temperature-25°C to +70°C
Relative Humidity5-95% non-condensing
AltitudeUp to 1000m (3280ft) without derating, up to 4000m (13120ft) with derating
Operating Temperature-10°C to +50°C (14°F to 122°F)

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