PC-250 Filter control unit operating manual Page: 20 (24
Forced switch-on ON
Forced switch-on requested, or terminals 11 and 12
connected.
EUROTRONIK backflushing signal
This line displays whether the EUROTRONIK-10 switches the filter pump on during
backflushing or rinsing.
The following displays are possible:
EUROTRONIK OFF
no switch-on command from EUROTRONIK
EUROTRONIK ON
The EUROTRONIK has switched the filter pump on
EUROTRONIK OFF
The EUROTRONIK has switched the filter pump off
Interlocking
This line displays whether the filter unit has been switched off either by the
EUROTRONIK, NR-12-TRS-2 or the coil earthing contact.
The following displays are possible:
Interlock OFF
The pump is switched off (one of the contacts is open).
Interlock ON
Pump operation has been enabled (all interlock contacts
are closed)
Filter pump
When the filter pump operating status is displayed in the
top
line of the service
terminal, the pump can be switched on or off manually.
1. Once the key has been pressed, the filter unit is switched off and the the
following is displayed:
Filterpumpe: AUS
Pumpe kann von
Hand geschaltet
werden!
2. Use the key to switch the filter pump on, and the key to switch it off.
Caution!
the electronic motor protection does not function in this operating mode!
3. If you press the key again, the normal diagnosis display appears and the filter
unit continues to operate.
Solar operation
When the solar heater operating status is displayed in the
top
line of the service
terminal, it can be switched on or off manually.
1. Once the key has been pressed, the filter unit is switched off and the the
following is displayed:
Solaranlage
HANDBETRIEB
Stellantrieb: AUS
Pumpe: AUS
2. Use the key to switch the solar heater on, and the key to switch it off. When
the solar heater is switched on, the following is displayed:
Solaranlage
HANDBETRIEB
Stellantrieb: EIN
Pumpe: AUS