Operating instructions Typ 2200 19 / 32
Betriebsanleitung Typ 2200
4 Description and function of controller
4.1 Controller type 6.18 / 6.19 / 6.44
Inputs
Pressure switch "DP reached, backflushing filter" 75 %
Pressure switch "DP too high, backflushing filter" 100 %
Outputs
Motor
Flushing valve
Potential-free contacts
Functional description 6.18, 6.19 and 6.44
See the operating instructions for the filter's function.
Flushing is triggered by:
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
- "Motor fault" alarm
3) "Motor fault" alarm Output A7, A8, A9
4) "Flushing active" message Output A10, A11, A12
1) Key F
2) The forced flushing time elapsing
3) Pressure switch "DP reached, backflushing filter"