When adding liquid freon to a vapor-cycle cooling system, in what position should the bottle be placed?

When adding liquid freon to a vapor-cycle cooling system, the bottle should be positioned vertically with the outlet at the bottom. This orientation ensures that the liquid freon flows directly out of the bottle and into the system without the risk of vapor being introduced. When the bottle is upright, the liquid collects at the bottom and can be released more easily, ensuring proper filling of the system with the refrigerant.

Using this method is crucial for maintaining the efficiency of the cooling system and preventing issues that could arise from mixing gas and liquid. Liquid freon is denser and should be allowed to flow downwards due to gravity, which minimizes the chances of vapor being trapped, as might happen if the bottle were inverted or positioned horizontally. This careful handling of the refrigerant is essential for the safe and effective operation of the vapor-cycle cooling system.