The enlargement valve retains back the refrigerant and maintains the large force with the condenser. In the expansion valve, a small orifice makes it possible for a limited degree of refrigerant to continue to circulation. Since it flows by this restriction it reaches the small tension aspect with the valve. https://socialmediatotal.com/story6138727/the-smart-trick-of-chiller-installation-that-no-one-is-discussing