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This Trane HVAC chiller serves four different apartments. Chilled water systems offer a great way for multi-zone air conditioning. From small apartment buildings to large commercial buildings chilled water systems can serve multi-zone air conditioning systems. From one air conditioning zone to hundred the only limitation is the size of the chiller. If the air conditioning zoning system (the load) is matched up with the right sized chiller (in tons) the system will serve all air conditioning zones and keep all the occupants comfortably cool. Chilled water systems can also be integrated with the boiler system so that the same system can be used for heating and cooling. A good control system will add efficiency and more comfort to the system.
The big difference between a chilled water system and the standard DX split system units are that only one outside unit are necessary where with the DX split systems you need multiple condensers for each zone. The are a few exceptions for this but the alternatives are limited. This Trane chilled water system has a single chiller that serves four different air handlers with chilled water coils in the air handlers. The chilled water system and the air handlers are connected to each other via a chilled water piping system. The chilled water system provides excellent mutli-zone air conditioning systems. Air conditioning systems come in different varities from chilled water air conditioning systems to DX cooling air conditioning systems.
