Danfoss VLT AQUA Programming Manual

Also see for vlt aqua: Instructions Design guide Instruction manual Operating instructions Design guide

Contents

22-22 Low Speed DetectionOption: Function:[0] * Disabled[1] Enabled Select Enabled for detecting when the motor operates with aspeed as set in par. 4-11 or 4-12,Motor Low Limit.22-23 No-Flow FunctionOption: Function:[0] * Off[1] Sleep Mode[2] Warning[3] Alarm Common actions for Low Power Detection and Low Speed De-tection (Individual selections not possible).Warning: Messages in the Local Control Panel display (if moun-ted) and/or signal via a relay or a digital output.Alarm: The frequency converter trips and motor stays stoppeduntil reset.22-24 No-Flow DelayRange: Function:10 sec.* [0-600 sec.] Set the time Low Power/Low Speed must stay detected to acti-vate signal for actions. If detection disappears before run out ofthe timer, the timer will be reset.22-26 Dry Pump FunctionOption: Function:[0] * Off[1] Warning[2] AlarmLow Power Detection must be Enabled (par. 22-21) and com-missioned (using either par. 22-3*,No Flow Power Tuning, orAuto Set-Up, Par. 22-20) in order to use Dry Pump Detection.Warning: Messages in the Local Control Panel display (if moun-ted) and/or signal via a relay or a digital output.Alarm: The frequency converter trips and motor stays stoppeduntil reset.22-27 Dry Pump DelayRange: Function:60 sec.* [0-600 sec.] Defines for how long the Dry Pump condition must be activebefore activating Warning or Alarm2.19.2. 22-3* No-Flow Power TuningTuning Sequence, if not choosingAuto Set Up in par. 22-20:2. Parameter Description VLT ® AQUA Drive Programming Guide198 MG.20.O2.02 - VLT ® is a registered Danfoss trademark2