Honeywell SmartVFD HVAC MR4, User Manual

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HVAC A
PPLICATION
Honeywell
• 48
3.5.9 Group 3.7: Prohibit Frequencies
In some systems it may be necessary to avoid certain frequencies due to mechanical reso-
nance problems. By setting up prohibit frequencies it is possible to skip these ranges.
Table 34. Prohibit frequencies
Code Parameter Min Max Unit Default ID Description
M3.7.1
Prohibit frequency
range 1 low limit
-1,00 320,00 Hz 0,00 509 0 = Not used
M3.7.2
Prohibit frequency
range 1 high limit
0,00 320,00 Hz 0,00 510 0 = Not used
M3.7.3
Prohibit frequency
range 2 low limit
0,00 320,00 Hz 0,00 511 0 = Not used
M3.7.4
Prohibit frequency
range 2 high limit
0,00 320,00 Hz 0,00 512 0 = Not used
M3.7.5
Prohibit frequency
range 3 low limit
0,00 320,00 Hz 0,00 513 0 = Not used
M3.7.6
Prohibit frequency
range 3 high limit
0,00 320,00 Hz 0,00 514 0 = Not used
M3.7.7 Ramp time factor 0,1 10,0 Times 1,0 518
Multiplier of the currently
selected ramp time between
prohibit frequency limits.
M3.7.8
Resonance sweep
acc/dec time
0.1 3000.0 s 20.0 1812
Acceleration and decelera-
tion times to be used during
resonance sweep.