McQuay MWH Manual de servicio descargar pdf (Pagina 31)

OM 1191 31

Parameters

Group 26: Motor Control

Thisgroupdenesvariablesusedformotorcontrol.

Table 15: Group 26: Motor Control

Code Description Range Resolution Default S

2605 U/f RATIO 1, 2 1

(SQUARED)

Selects the form for the U/f (voltage to frequency) ratio below eld weakening point.

1 = LINEAR – Preferred for constant torque applications.

2 = SQUARED – Preferred for centrifugal pump and fan applications. (SQUARED is more silent for most operating frequencies.)

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 95 96

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McQuay MWH Manual de servicio Pagina 31