Danfoss VLT HVAC Series Programming Manual page 69

VLT ® HVAC Drive Programming Guide
NOTE!
This parameter cannot be adjusted while the motor is running.
3.6.4 4-6* Speed Bypass
Define the speed bypass areas for the ramps.
Some systems call for avoiding certain output frequencies or speeds due to resonance problems in the system. A maximum of four frequency or speed
ranges can be avoided.
4-60 Bypass Speed From [RPM]
Array [4]
Range:
0 RPM* [0 - par. 4-13 RPM]
4-61 Bypass Speed From [Hz]
Array [4]
Range:
0 Hz* [0.0 - par. 4-14 Hz]
4-62 Bypass Speed to [RPM]
Array [4]
Range:
0 RPM* [0 - par. 4-13 RPM]
4-63 Bypass Speed To [Hz]
Array [4]
Range:
0 Hz* [0.0 - par. 4-14 Hz]
Function:
Some systems call for avoiding certain output speeds due to resonance problems in the system.
Enter the lower limits of the speeds to be avoided.
Function:
Some systems call for avoiding certain output speeds due to resonance problems in the system.
Enter the lower limits of the speeds to be avoided.
Function:
Some systems call for avoiding certain output speeds due to resonance problems in the system.
Enter the upper limits of the speeds to be avoided.
Function:
Some systems call for avoiding certain output speeds due to resonance problems in the system.
Enter the upper limits of the speeds to be avoided.
MG.11.C6.22 - VLT ® is a registered Danfoss trademark
3 Parameter Description
3
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