Heat pumps and heat recovery:

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Heat pumps and heat recovery

All cooling systems, heat pump (HP) in the sense that heat is supplied from a cool environment to a warmer one. If the flow of refrigerant in the cooling system is restored, a heat exchanger, which was the evaporator becomes the condenser and Vice versa. The reversing valve is used to enable a system to operate in any mode (see Fig. 27.1).

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