PC-250 Filter control unit operating manual Page: 19 (24
The following lines are used for manual activation of the output relay.
Frost protection
This line displays the current frost protection function switch-on temperature. This
value can be adjusted to meet the requirements of the relevant filter unit if it is
displayed in the
top
line:
1. Once the key has been pressed, the filter unit is switched off and the display
shows the following:
Frostsch.:
Einschalttemp.
des Frost-
schutzes
°C
2. Now use the and keys to change the temperature. The smallest adjustable
value is -3°, the largest 5°.
3. If you press the key again, the normal diagnosis display appears and the filter
unit continues to operate. The adjusted value will be saved automatically.
4. A switch-on temperature of 0° is set at the works.
Pump time
This line displays the total operating hours for the filter pump.
heater time
This line displays the total operating hours for the additional heater.
Solar time
This line displays the total operating hours for the solar heater.
Motor defect
This line displays the number of "motor protection" error messages.
Phase fields
This line displays the number of "phase fields" error messages.
Int. backflushing (intern)
This line displays how often a backflushing process has been started by bar valves.
Ext. Backflushing (extern)
This line displays how often a backflushing process has been started by the
EUROTRONIK-10.
The following lines enable the service technician to carry out an examination of the input
signals and filter control unit output relay.
Forced switch-on of NR-12-TRS-2
This line displays whether the NR-12-TRS-2 level regulation system is subject to
forced switch-on.
The following displays are possible:
Forced switch-
onOFF
No forced switch-on, or terminals 11 and 12 not
connected.
