Operating instructions Typ 2200 29 / 32
Betriebsanleitung Typ 2200
Potential-free contacts and messages 6.72.07 Alarm DP
Functional description 6.72
See the operating instructions for the filter's function.
Flushing is triggered by:
Additional functions for 6.72 Alarm DP (flushing frequency monitoring)
If flushing is triggered by the "DP reached, back flushing filter" pressure switch
before the forced flushing time elapses, a DP alarm is signalled (Flushing
frequency alarm).
Special attributes
• All alarms are displayed and signalled and saved via potential-free contacts.
• If the controller is in parameterisation mode, flushing cannot be triggered
manually.
• If the "Controller type" parameter is changed, the functions are re-started.
1) "Control voltage monitoring" alarm Output A1, A2, A3
2) Collective fault, comprising: Output A4, A5, A6
- "Maximum differential pressure reached" alarm
and
- "Cartridge" alarm
(DP alarm flushing oil treatment)
3) "Backflushing triggered by DP" alarm Output A7, A8, A9
1) Switching on the power supply
2) Key F
3) The forced flushing time elapsing
4) Pressure switch "DP reached, backflushing filter"
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