A central blower draws sample air from the engine through pipes to the measuring head. The contains a strict warning: The blower must create a negative pressure of approximately 200 mm water column. Any leak in the sampling tube results in false low readings.
: Always isolate the unit from the electrical supply before attempting any maintenance. deckma omd11 manual
If you tell me what you're currently working on, I can provide more specific help: for the terminal blocks Steps for programming the alarm set points Detailed cleaning procedures for the measuring cell OMD-11 Oil-in-Water Monitor Manual | PDF | Relay - Scribd A central blower draws sample air from the