Danfoss FC 100 Series Operating Instructions Manual page 70

Vlt hvac drive frequency converters
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How to Programme the Frequ...
1-03 Torque Characteristics
Option:
[3]
Auto
Energy
*
Optim. VT
7
7
1-20 Motor Power [kW]
Range:
Application
depend-
tion
ent
dependant]
*
1-21 Motor Power [HP]
Range:
Application
depend-
tion
ent
dependant]
*
1-22 Motor Voltage
Range:
Application
dependent
*
70
Function:
Auto Energy Optimization VT [3]: For optimum
energy efficient speed control of centrifugal
pumps and fans. Provides a voltage which is
optimized for a squared torque load characteristic
of the motor but in addition the AEO feature will
adapt the voltage exactly to the current load
situation, thereby reducing energy consumption
and audible noise from the motor. To obtain
optimal performance, the motor power factor cos
phi must be set correctly. This value is set in
par. 14-43 Motor Cosphi. The parameter has a
default value and is automatically adjusted when
the motor data is programmed. These settings
will typically ensure optimum motor voltage but
if the motor power factor cos phi requires tuning,
an AMA function can be carried out using
par. 1-29 Automatic Motor Adaptation (AMA). It is
very rarely necessary to adjust the motor power
factor parameter manually.
Function:
[Applica-
Enter the nominal motor power in kW
according to the motor nameplate data.
The default value corresponds to the
nominal rated output of the unit.
This parameter cannot be adjusted while
the motor is running. Depending on the
choices made in par. 0-03 Regional
Settings, either par. 1-20 Motor Power
[kW] or par. 1-21 Motor Power [HP] is
made invisible.
Function:
[Applica-
Enter the nominal motor power in HP
according to the motor nameplate data.
The default value corresponds to the
nominal rated output of the unit.
This parameter cannot be adjusted while
the motor is running.
Depending on the choices made in
par. 0-03 Regional Settings, either
par. 1-20 Motor Power [kW] or
par. 1-21 Motor Power [HP] is made invisi-
ble.
Function:
[Application
Enter the nominal motor voltage
dependant]
according to the motor nameplate
data. The default value corresponds
to the nominal rated output of the
unit.
MG.11.AD.02 - VLT
®
VLT
HVAC Drive Operating Instructions
1-22 Motor Voltage
Range:
1-23 Motor Frequency
Range:
Application
dependent
NOTE
This parameter cannot be adjusted while the motor is
running.
1-24 Motor Current
Range:
Application
dependent
NOTE
This parameter cannot be adjusted while the motor is
running.
1-25 Motor Nominal Speed
Range:
Application
dependent
NOTE
This parameter cannot be adjusted while the motor is
running.
1-28 Motor Rotation Check
Option:
[0]
Off
*
[1]
Enabled Motor Rotation Check is enabled. Once enabled,
®
is a registered Danfoss trademark
Function:
This parameter cannot be adjusted
while the motor is running.
Function:
[20 -
Select the motor frequency value from the
1000 Hz]
motor nameplate data.For 87 Hz operation
*
with 230/400 V motors, set the nameplate
data for 230 V/50 Hz. Adapt
par. 4-13 Motor Speed High Limit [RPM] and
par. 3-03 Maximum Reference to the 87 Hz
application.
Function:
[Application
Enter the nominal motor current
dependant]
value from the motor nameplate
*
data. This data is used for calculat-
ing motor torque, motor thermal
protection etc.
Function:
[100 - 60000
Enter the nominal motor speed
RPM]
value from the motor nameplate
*
data. This data is used for calculat-
ing automatic motor compensa-
tions.
Function:
Following installation and connection of the motor,
this function allows the correct motor rotation
direction to be verified. Enabling this function
overrides any bus commands or digital inputs,
except External Interlock and Safe Stop (if included).
Motor Rotation Check is not active.
Display shows:
"Note! Motor may run in wrong direction".

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