As we have just seen, the increasing costs of mains water means that we need to look for more economic water systems for use with water-cooled condensers...  

EXERCISE : With an external temperature of 35°C, if an air cooled condenser is used instead of a dry-cooler:

	What would be the approximate temperature of the air at the dry-cooler outlet?
	What would be the approximate temperature of the water at the dry-cooler inlet and outlet?

What condensation temperature would the HP gauge show?

(Solution : Refrepair Manual pages 491 to 495)