The Remote Optimal Global Change Tool (GCT) is an application that helps improve the management of time clocks and setpoints across a large estate. This provides the estate management team with a tool that maximises productivity by changing thousands of time clocks from the click of a button. This article shows how it was used across Newcastle University’s estate of over 70 buildings and campuses.
The application goes through a number of integrity checks to ensure the correct time parameters are being written to the correct target time clock or set point. When the task is completed a report is provided advising on the success of the update. This is a complete end-to-end, fully automated task, that improves the productivity of the end-user, improving energy efficiency, minimising control drift and ensuring changes across a large estate are completed quickly and efficiently.
The GCT remotely connects to all of the BeMS systems on a customer’s site and allows either the end user or the SSE Energy Management Centre to control or reset either the entire system, all, or a subset of the timings and/or set-points. or example; scheduling the temperature in all of the rooms in a student accommodation building to be set to 21.5°C at 0:00 a.m.
No other product with this functionality is currently available. A previous generation of the GCT has been used to run a major retail estate and is used for making changes to the time settings on-demand, e.g. bank holiday switching, disabling plant that is not required for the period.
One of the new enhancements to the tool is the automated change tool for the management and compliance of data points to an agreed standard.
Agreed standard settings are added to the data point interface, and adjustable scheduled checks are completed. If the time settings are not at the agreed standard, the tool will automatically reset the time setting back to the agreed standard.
e.g. A time clock is set to Mon-Fri 08:00-16:00, after the weekly check the time setting has been changed by an end-user to Mon-Fri: 08:00-20:00, the application can either automatically put the time setting back or provide a report advising the end-user of the change required.
The Global Change Tool can also be used to implement some SFG20 routines.
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