View Full Version : MC-RODI-90-MF IN=7ppm, OUT=204??

03/05/2016, 12:48 PM
I have a MC-RODI-90-MF unit. The TDS meter that monitors the sensors in the attached picture read IN=6ppm, OUT=204ppm. That sounds backwards. I am either not understanding what the meter is telling me or the sensors are connected in the wrong water lines.

Are the sensors in the correct lines? If yes, then intuitively I expect to see a higher number for IN and a lower number for OUT.


03/07/2016, 10:59 AM
the red and blue wired meters on the right of the picture need to be switched around. The ride wire should be on the black line, and the blue wire should be on the blue line to its left.