Thankx for the link !!....... I found my problem due to not knowing the system. I found out the correct info that it was the amonia in the shell and glycol in the tubes so it was the amonia I was not seeing and the system wasnt calling for cooling of the glycol.
I work at a place that uses glycol cooling and amonia in a heat exchanger. The glycol expansion tank is at a good levle,but I noticed at times on my heat exchanger on the site glass that it is below the site glass .I would then see it increase in the levle. the expansion tank never changed. my...
