A Malaysia based telecom operator was experiencing hot spots and excessive energy consumption at one of their small data rooms. They elected to replace their existing cooling system with Coolsure’s high efficiency modular redundant cooling system, comprised of twelve Coolsure ETS-55W air conditioning units. Coolsure air conditioning units were deployed in a hot aisle/cold aisle configuration and arranged to work as a team, with active load sharing between cooling units.
The Coolsure cooling solution provided better cooling distribution and eliminated the hot spot problem, while reducing the average cooling system energy consumption from 28kW to 8kW, providing a less than 2 year payback period.
To help the operator verify the energy savings and track the savings against the initial business case assumptions on an ongoing basis, the Coolsure Sentinel remote monitoring system was installed. Together with the built-in energy metering functionality of the Coolsure ETS-55W air conditioning units, the Coolsure Sentinel remote monitoring system provides the operator with monthly reports of energy usage and trends, as well as total energy savings since installation, confirming the true utility savings achieved.
The Coolsure Sentinel remote monitoring system also contributed to lower the annual service costs of the cooling system. Air conditioning units require regular service to filters and coils in order to maintain peak cooling performance and energy efficiency. Optimum service intervals are affected by the environmental conditions in which the units are operated. By analyzing the historical logs of the Coolsure ETS-55W air conditioning unit’s performance, Coolsure technicians determined that the factory recommended interval between services could be extended without detrimental effect, thus reducing the annual service costs.
