Honeywell
How Bensons Developed a Cost-Effective Process to Upgrade Honeywell Building Management Controllers
The Challenge
A key element of Honeywell’s Building Solutions business is the building management controllers that facilitate effective building management solutions. Honeywell has a rich heritage in such technology, with devices such as the Excel Classic and Excel 500 series of controllers enjoying a strong market reputation since their introduction.
With a reputation for innovation, Honeywell continually researches new services for its many customers. This leads to the introduction of new ranges of building management controllers, such as the Excel 800 which superseded the Excel 500
When new products are launched, Honeywell customers using legacy systems have the opportunity to upgrade to enjoy the increased functionality and all the business benefits this offers.
The challenge is how to upgrade with minimum disruption to the business. Typically, the cost of downtime for such system upgrades is high, so any upgrade needs to be completed quickly and effectively. In addition, the cost of a complete new control panel is likely to be high, with the physical access to replace it often limited so an innovative solution is required. Bensons looked carefully at the options available, exploring different solutions to meet the challenge.
The Result
The Bensons’ swing frame approach delivers several benefits to Honeywell and its customers with a cost-effective swing frame solution that fits seamlessly into existing control panels. In addition, both the technical risk and downtime was minimised, giving the client the peace of mind that operations could continue without disruption.
The benefits of this approach included:
- A swing frame solution that fits into existing control panels. Often there is insufficient space on existing backplates to replace legacy controllers. With Bensons’ approach, the replacement swing frame provided the required space in an accessible manner.
- The use of the swing frame delivered a cost-effective solution as a minimum amount of new hardware was required. In addition, existing components could be left in situ and re-used with minimum interference.
- The technical risk was minimised. As the swing frame and backplate is assembled, wired and tested off-site at Bensons, its functionality was ensured prior to installation, removing the possibility of wiring errors occurring on site.
- Downtime was minimised. The swing frame backplate is pre-wired to plug and socket connectors, making it straightforward to connect the existing wiring without error. The use of isolating terminals on the swing frame backplate means it is easy to connect the swing frame to existing wiring.
- Fault finding was simplified: The plug and socket approach means that circuits could easily be isolated simply by removing a plug.
The success of the initial project allowed Bensons to carry out 50 similar upgrades in conjunction with Honeywell at various sites across the UK.
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