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randen · 10-26-13, 08:30 PM

NiHaoMike

Mike the unit is indeed over-charged but there are no leaks in either the water side or refrigerant side. The sizing of the 22' x 5/16 of copper cork-screw HX seems more than adequate. Its such a small unit and it took just a crack to charge and it hadn't been run for such a long time. The cold oil was causing some problems. Now that everything is flowing we can adjust the charge more accurately. The unit is such a small inexpensive unit a TXV was not in the formula, it sports a cap. tube. I would think after 1/2 hr. the vacuum should have worked nicely with the cap. tube.

The tank temp rose to 53 Deg C. Nice. Tomorrow after it cools we will adjust the charge and run it again. With the spare time while watching the tanks performance I will start the copper work for the solar collector in the "solar heat for the shop"

Randen

10-26-13, 08:30 PM	#40
randen Uber EcoRenovator Join Date: Apr 2011 Location: Strathroy Ontario Canada Posts: 657 Thanks: 9 Thanked 191 Times in 129 Posts	NiHaoMike Mike the unit is indeed over-charged but there are no leaks in either the water side or refrigerant side. The sizing of the 22' x 5/16 of copper cork-screw HX seems more than adequate. Its such a small unit and it took just a crack to charge and it hadn't been run for such a long time. The cold oil was causing some problems. Now that everything is flowing we can adjust the charge more accurately. The unit is such a small inexpensive unit a TXV was not in the formula, it sports a cap. tube. I would think after 1/2 hr. the vacuum should have worked nicely with the cap. tube. The tank temp rose to 53 Deg C. Nice. Tomorrow after it cools we will adjust the charge and run it again. With the spare time while watching the tanks performance I will start the copper work for the solar collector in the "solar heat for the shop" Randen Last edited by randen; 10-26-13 at 08:35 PM.. Reason: punctuation