The Marine cold (hot) water unit serves as the cold (hot) source of the central air conditioning system of the ship and provides the system with circulation of cold (hot) medium water. The unit is mainly composed of compressors, condensers, dry evaporators, electric control boxes, valves and instruments, etc., which are combined with fan coils and indirect air conditioners to form air conditioning systems.

According to the different structural types, the unit is mainly divided into the following three series:

* CLS series Marine chiller

* CLSR series Marine modular cold (hot) water units

* CLFR series Marine air cooled (hot) water units