PC-250 Filter control unit operating manual Page: 3 (24
Set temperature ............................................................................................................................................. 15
Current ........................................................................................................................................................... 15
Motor protection ........................................................................................................................................... 15
Solar difference ............................................................................................................................................. 15
Solar additional temperature ....................................................................................................................... 16
Limit temperature ......................................................................................................................................... 16
Additional heater minimum time (hysteresis) ............................................................................................ 16
Solar heater minimum time (hysteresis) ..................................................................................................... 17
Filter pump run-on time ............................................................................................................................... 17
Heater priority circuit .................................................................................................................................. 18
Solar heater priority circuit ......................................................................................................................... 18
Frost protection ............................................................................................................................................. 19
Pump time ...................................................................................................................................................... 19
heater time ..................................................................................................................................................... 19
Solar time ....................................................................................................................................................... 19
Motor defect .................................................................................................................................................. 19
Phase fields .................................................................................................................................................... 19
Int. backflushing (intern) ............................................................................................................................. 19
Ext. Backflushing (extern) ............................................................................................................................ 19
Forced switch-on of NR-12-TRS-2 .............................................................................................................. 19
EUROTRONIK backflushing signal ........................................................................................................... 20
Interlocking.................................................................................................................................................... 20
Filter pump .................................................................................................................................................... 20
Solar operation .............................................................................................................................................. 20
Heater ............................................................................................................................................................. 21
Dosing unit ..................................................................................................................................................... 21
Backflushing valve ........................................................................................................................................ 21
Rinsing valve .................................................................................................................................................. 22
Language ........................................................................................................................................................ 22
Combination of PC-250 with NR-12-TRS-2 and Eurotronik-10 ...................................................... 23