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Thread: Charge R134 without a scale
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09-11-2011, 01:24 PM #1
Charge R134 without a scale
Hi
I know that a scale can delivery a precise refrigerant charge.
However many of my students cannot afford for a scale.
I would like to improve a technique that I learnt years ago still in R12 times.
How can I charge R134 in a domestic fridge without a scale using only the manometer as a reference ?
Could anybody describe it step by step right after the vacuum step ?
Moises