1 · Role in the vapor-compression cycle

Vapor-compression cycle with vessels highlighted

2 · Vessel family overview

Refrigerant vessel family comparison
Family Primary job Typical location Typical failure mode Heat-pump intuition

3 · Oil separators in depth

Oil separator discharge path

4 · Suction accumulators

Suction accumulator with U-bend oil return

5 · Liquid receivers

Liquid receiver after condenser

6 · Flash tanks / economizer vessels

Flash tank economizer vessel

7 · Selection & layout checklist

8 · Quick FAQs