PRESSURE LEAK DETECTOR DLR-P ..
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4.6.5
Acknowledgement of the “Dry filter notification” (only if filter check FC provided)
Briefly press the button “Acknowledge dry filter alarm” to shut off the
audible signal. The visual signal (alternate flashing of the red and yel-
low LEDs) continues.
To reset the dry filter alarm completely, press and hold the button un-
til an audible signal sounds.
Design and Function