Water Cooled Chiller System Operation
Water cooled chillers are typically intended for indoor installation and operation and are cooled by a separate condenser water loop and connected to outdoor cooling towers to expel heat to the atmosphere.
Water cooled chiller system operation. Refrigerant circulates through an evaporator compressor condenser and expansion device of a chiller. A chiller uses a vapor compression mechanical refrigeration system that connects to the process water system through a device called an evaporator. The chiller basically removes heat from the water. Chilled water systems include other hvac equipment designed to exchange heat such as computer room air conditioners.
The chilled water leaves the evaporator at around 6 c 42 8 f and is pushed around the building by the chilled water pump. Then it is turned to liquid refrigerant of low pressure and temperature by condensing and throttling. How does a chiller work. A thermodynamic process occurs in each of above components of a chiller.
It works by energizing the refrigerant vapor via the compressor so that the pressure and temperature increase. Water cooled chillers forged under harsh conditions around the world daikin water cooled chillers provide high quality operation efficiency and energy savings. Water cooled screw chiller is a kind of vapor compression refrigerator. The evaporator of the chiller is where the chilled water is generated.
It is used as a refrigerant to remove heat from the building. In most process cooling applications a pumping system circulates cool water or a water glycol solution from the chiller to the process. The chilled water circulates through a chilled water loop and through coils located in air handlers. They utilize a closed loop refrigeration circuit to cool a fluid typically water or a water glycol mixture.
It also uses the most energy in a chilled water system. To put it simply industrial chillers cool process fluids. The process fluid absorbs heat from what is being cooled and then goes through the chiller where the heat is removed from the fluid and transferred to the ambient air. Air cooled and evaporative cooled chillers are intended for outdoor installation and operation.
The process water is the means by which heat transfers from the process to the chiller. Evaporator compressor expansion device and condenser. The chilled water flows up the height of the building to each floor in pipes known as risers. The compressor is what drives the entire process.
Various applications are possible including air conditioning applications industry type process cooling and large scale district heat source systems. A chilled water system s refrigeration cycle works by removing heat from chilled water in the evaporator of the chiller.