![]() It can be positioned horizontally or vertically. The level of liquid inside the tank varies during operation and must usually be able to contain around 80% of the total refrigerant charge. In addition, the receiver is used to collect the refrigerant from the rest of the circuit without having to empty the system, simplifying maintenance operations if needing to disassemble a unit. Refrigerant outlet from below guarantees that the refrigerant is in the liquid phase at the inlet to the expansion device, ensuring its correct operation. It is sized according to the heat load at the evaporator, guaranteeing a certain degree of flexibility in the refrigeration unit and its operation in different conditions. The liquid receiver is a tank installed at the condenser outlet, generally before the expansion device, and designed to store refrigerant. Including, of course, the ancillary components that I will describe below. In this post I examined the main components of the HVAC/R circuit, underlining how all components play a role in maximising system efficiency and reliability. For those who are not familiar with it, the most commonly accepted definition of ancillary is: “providing something additional to a main part or function”. ![]() Despite easily guessing its meaning, knowing the Latin word “ancilla” (maid), I was surprised to hear such an unusual term used in spoken Italian.įrankly I don’t know if this word is common in everyday spoken English. I first came across the word “ancillary” quite a few years ago, chatting with a friend. ![]()
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