3.14 Main Menu - Special Functions -Group 14
3.14.1 14-** Special Functions
Parameter group for configuring special adjustable frequency drive functions.
3.14.2 Inverter Switching 14-0*
Parameters for configuring the inverter switching.
14-00 Switching Pattern
Option: Function:
Select the switching pattern: 60° AVM or SFAVM.
[0] * 60 AVM
[1] SFAVM
14-01 Switching Frequency
Option: Function:
Select the inverter switching frequency. Changing the switching frequency can help to reduce
acoustic noise from the motor.
NOTE!
The output frequency value of the adjustable frequency drive must never exceed
1/10 of the switching frequency. When the motor is running, adjust the switching
frequency in par.14-01
Switching Frequency
until the motor is as noiseless as
possible. See also par.14-00
Switching Pattern
and the section
Derating
.
[0] 1.0 kHz
[1] 1.5 kHz
[2] 2.0 kHz
[3] 2.5 kHz
[4] 3.0 kHz
[5] 3.5 kHz
[6] 4.0 kHz
[7] * 5.0 kHz
[8] 6.0 kHz
[9] 7.0 kHz
[10] 8.0 kHz
[11] 10.0 kHz
[12] 12.0 kHz
[13] 14.0 kHz
[14] 16.0 kHz
3 Parameter Description VLT
®
HVAC Drive Programming Guide
3-134
MG.11.C6.22 - VLT
®
is a registered Danfoss trademark
3
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