General topics about all things heating, ventilation, air conditioning and refrigeration.
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studying for heat pump final , the internal components of a reversing valve . took 2 min then I removed a leaking hi side valve and since all we had in the shop was a king valve brazed it in , sucked it down to 480 microns and charged it . took delta t and super heat all was within parameters . so was a nice morning lol then worked on a heat pump with a shorted board being the end problem so its on order . the next week will be all refreshing on ac and heat pumps for final on Friday . then I am on vacation until Jan 2 and will start airflow and quality . I have a few things I would like to scan and post to see if it is informative to some but not sure if that's possible yet on this site. Worse case I will type it out soon.