Hi,
The entire system holds 4.23 oz of pag oil. I was able to find a chart for when replacing components. When the condenser is replaced, it says to add 1 oz. I attached the chart below for your review. Also, you can add the oil directly into the condenser prior to installation. Note that it also indicates in the event of an abrupt pressure loss, 2 oz should be added. In this case, which seems to fit what happened.
Let me know if this helps or if you have other questions.
Take care,
Joe
See pic below.
Note: If the system has been open for this long, you really should vacuum it down and recharge it.
Image (Click to make bigger)
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Friday, June 24th, 2022 AT 11:03 PM