Constant temperature and humidity air conditioning system design for communication rooms in data center of Towngas

Presents the system design, and analyses the energy efficiency and reliability of the air conditioning system. Adopts the central cold source and its refrigeration equipment is air-cooled water chiller with natural cooling, which is automatically switched to the natural cooling mode when the outdoor temperature is below the setting temperature having obvious energy saving effect. To guarantee the high reliability of the system, designs the backup system of outdoor units, indoor units and water piping system.