I've had this unit, unfortunately, for a while now. I got it back from repairs, turned it on, watched it pull down to -46c. That was a couple years ago. I haven't really touched it since then, just been sitting around doing nothing. Went to turn it back on and two butt splices had come loose so the thing wouldn't fire up. twisted those together just to see if it would start up and pull down. Well, it started up.. but it only pulled down to -36. It was charged with r410a, not sure on the date but it had to have been at least a year ago. However my other unit pulls to -50 after 3 years, but it's an 507 unit. Since the r410a is a higher pressure gas, it would make sense that a leak would develop but this is one tiny little leak, if it still pulls to -36c.. no idea what it does on load.. Am i just dealing with one freaking microscopic leak or is there something else going on.. seems like it would be empty after over a year if it were just a leak.
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