Can anyone explain the proper operation of a hansen AP-8 air purger and how to tell if its working prpperly.Any advice or information would be appreciated.
First measure the temperature and pressure at some point in the system to see if you have non-condensible gases in the system. Hansen has very good web site that has the manuals for most of their products. It's
I work for a ammonia refrigeration design build contractor and the most common failure I've seen with the Hansen purgers has been the check valves wearing out. A word of warning the time it takes the purger to go through a cycle can be long.
