Operating instructions Typ 2200 25 / 32
Betriebsanleitung Typ 2200
4.5 Controllers of type 6.62
Inputs 6.62
"Position reached" limit switch
Pressure switch "DP reached, backflushing filter" 75 %
Pressure switch "DP too high, backflushing filter" 100 %
Outputs 6.62
Flushing valve
Chamber valve supplied with pulse
Potential-free contacts and messages 6.62
Potential-free contacts and messages 6.62 Alarm DP (flushing frequency
monitoring)
Functional description 6.62
See the operating instructions for the filter's function.
Flushing is triggered by:
Special attributes
• When flushing is triggered by switching on the power and an open limit
switch, a flushing cycle starts directly with the flushing valve.
• 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) Group fault:
"Max differential pressure reached" alarm
Output A4, A5, A6
1) "Control voltage monitoring" alarm Output A1, A2, A3
2) Group fault:
"Maximum differential pressure reached" alarm
Output A4, A5, A6
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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