Danfoss VLT AQUA Drive FC 202 Operating Instructions Manual

Also see for VLT AQUA Drive FC 202: Service guide Installation guide Installation guide Operating guide Installation guide

The below setting options are all related to the Cascade Controller. Wiring diagrams and settings for parameter, see group 25-** for more details.[120] Lead Pump Start Starts/Stops the Lead Pump (controlled by the frequency converter). A start requires that also aSystem Start signal has been applied e.g. to one of the digital inputs set forStart [8]![121] Lead Pump Alternation Forces alternation of the lead pump in a Cascade Controller.Lead Pump Alternation, par. 25-50,must be set to eitherAt Command [2] orAt Staging or At Command [3].Alternation Event, par.25-51, can be set to any of the four options.[130 - 138] Pump1 Interlock - Pump9 Interlock For the above 9 setting options, par. 25-10, Pump Interlock, must be set toOn [1]. The functionwill also depend on the setting in par. 25-06, Fixed Lead Pump. If set toNo [0], then Pump1 refersto the pump controlled by relay RELAY1 etc. If set toYes [1], Pump1 refers to the pump controlledby the frequency converter only (without any of the build in relays involved) and Pump2 to the pumpcontrolled by the relay RELAY1. Variable speed pump (lead) cannot be interlocked in the basic Cas-cade Controller.See below table:Setting in Par. 5-1* Setting in Par. 25-06[0] No [1] Yes[130] Pump1 Interlock Controlled by RELAY1(only if not lead pump)Frequency Converter control-led(cannot be interlocked)[131] Pump2 Interlock Controlled by RELAY2 Controlled by RELAY1[132] Pump3 Interlock Controlled by RELAY3 Controlled by RELAY2[133] Pump4 Interlock Controlled by RELAY4 Controlled by RELAY3[134] Pump5 Interlock Controlled by RELAY5 Controlled by RELAY4[135] Pump6 Interlock Controlled by RELAY6 Controlled by RELAY5[136] Pump7 Interlock Controlled by RELAY7 Controlled by RELAY6[137] Pump8 Interlock Controlled by RELAY8 Controlled by RELAY7[138] Pump9 Interlock Controlled by RELAY9 Controlled by RELAY85-13 Terminal 29 Digital InputOption: Function:[0] * No Operation Same options and functions as par. 5-1*Digital Inputs.5-14 Terminal 32 Digital InputOption: Function:[0] * No operation Same options and functions as par. 5-1*, except forPulse input.[1] Reset[2] Coast inverse[3] Coast and reset inv[5] DC-brake inverse[6] Stop inverse[7] External interlock[8] Start[9] Latched start[10] Reversing[11] Start reversing[14] Jog[15] Preset reference on[16] Preset ref bit 0[17] Preset ref bit 1[18] Preset ref bit 28. How to programme the frequency converterVLT® AQUA DriveOperating Instructions84 MG.20.M5.02 - VLT® is a registered Danfoss trademark8