Understanding the Trane Systems
The air conditioning system is of industrial, rather than commercial quality, consisting
of six Trane T-series air-handling units feeding air to a series of Variable Air Volume
Control Boxes.
The air filters are of the purafil charcoal type that have odor removing capability. Heat is provided by multi-stage electric coils in the air-handling units. Cooling is provided by multi-stage electric coils in the air-handling units. Cooling is provided by two Trane 150 Ton Helirotor water chillers. Chill water is piped to the air-handling units located on the roof. River water is used piped to the air-handling units located on the roof. River water is used to cool the compressors rather than using high outside air temperatures. This delivers a lower operating temperature and pressure, which results in less energy per ton of cooling, and a substantially increased equipment life. These chillers are approximately ten years old and have been recently upgraded. Expected useful life extends for another 15-20 years.
The temperature and energy control system is a Trane Summit system based on direct digital control. This energy control system was upgraded in 2005 to incorporate the latest technology which runs on a Windows operating platform. This personal computer workstation allows you to change system set-points, view system alarms and event legs, answer alarms, trouble-shoot problems, make changes to time of day schedules and manage the facility's chiller plant. This Summit System also allows for complete control of the facility from one location, even a remote location.
The chill water air handling unit system is a substantial upgrade to contained rooftop units because this combination is more durable, energy efficient and easier to maintain.
