Nederman HV Control Panel EX Series - Page 28

HV Control PanelEN
28
6.6.8 Sengs - Flushing
Flushing Range Default
Pulse-me 0-999 s 15
Pause-me 0-999 s 60
Interval1 1-9999 m 60
Interval2 1-9999 m 30
Interval2SP 0-99 A 50
Pilotinterlock Yes/No No
Flushatstop Yes/No No
Interval2byCurrent Yes/No No
Interval2Delay 0-999 s 180
Toreducetheriskofdustaccumulaonintheductsystem,ushvalvescanbeinstalledin
theupstreamendofducts.Theushingfunconopensthesevalvesinasequence.
Pausemeismebetweentheendofthepulsetothenextvalvepulse.
Intervalistherunningmebetweenushcycles,fromendofonecycletostartofthenext
cycle.
Interval1istherunningmebetweenushcycles.Fromtheendofonecycletostartof
thenextcycle.
Interval2isselectedwiththepushbuon.Ashorterintervalcanbesetandusedatlower
airowsinordertomaintaincleanducts.
Themotorcurrentisusedforacvaon.
CurrentbelowSPforVACandaboveSPforRBUtriggerInterval2.
WhenswitchingtoInterval2,aushingwillbeperformedifthemesincelastushingis
greaterthanInterval2.
ItreturnstoInterval1ifcurrentothersideofsetpoint,withoutushing.
(ForRBUthecurrentisnotagoodparameter,eventuallyvacuumlevelcanbeused,
butnormallytheRBUshallberunbyVFDandthenthefrequencywouldbethecontrol
parameter).
ThecurrentlevelhasaResponsemeof30s.Itisadjustablefrom0to99secondsina
conguraonpage).