Cool Breeze 2014 issue 21

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Smart enough to predict the future Australia’s CSIRO developed a system called BuildingIQ which optimises energy consumption, energy costs and occupant comfort utilising Predictive Energy Optimisation. This technology continuously monitors inputs including hourly weather forecasts, occupancy, demand response events and real time energy prices. The system begins with a ‘watch and learn’ phase as it builds a thermal dynamic model of the facility and learns how the building reacts to changes in load such as occupancy and weather. When the system is fully deployed, usually only two to three months after installation, it makes hourly adjustments to setpoints to achieve 10-25% energy savings on the HVAC system overall while maintaining high levels of occupant comfort. For commercial buildings, these energy savings can result in a NABERS improvement of 0.5 to 1 Star, with little or no capital investment – and no disruption to building operation and occupants. Data has changed HVAC maintenance practice Back in the pits your crew is collecting and analysing all sorts of information to inform your next lap, with the aim of taking your blindfold off. Once you start collecting and trending data on your buildings system performance, you can identify energy wastage, faults or imminent failures. With enough data, the way you maintain your facility can be changed for a better outcome. Routine preventative maintenance has been around since the start of the Industrial Revolution. When you monitor and report on the performance of a system remotely and in real time, you can start to employ Condition Based Maintenance, a much more effective modern practice. Time intervals for maintenance are adjusted, tasks that affect energy consumption are optimised, and faults are identified and rectified faster. These measures will reduce overall operating and servicing costs to your facility. Energy saved, CAPEX budget intact

“ Routine preventative maintenance has been around since the start of the Industrial Revolution. When you monitor and report on the performance of a system remotely and in real time, you can start to employ Condition Based Maintenance, a much more effective modern practice ”

Imagine how much easier your life would be if you woke up tomorrow and your facility was consuming less energy, with less comfort complaints, and you still had your CAPEX budget intact. There are many ways to save energy even if you’ve already completed an upgrade and your BMS is optimised. You can use Adaptive Temperature Control, add Energy based Alarms to your BMS, install Predictive Energy Optimisation with BuildingIQ and switch to Condition-Based maintenance with remote monitoring. All of these measures add up to taking the blindfold off and taking complete control of your facility. For more information contact David Odd on 1300 313 313 or email davidodd@aesmith.com.au AES www.aesmith.com.au

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