The new Fireye Nexus fully integrated parallel positioning system NX6100 can have an average savings between 3% and 6% are typical for these types of controls over linkages. View the Power Point Presentation where graphs and test data provide examples of both the burner/boiler OEM level as well as energy offices like the DOE in the US and the Energy Efficiency Office in the UK. Also on this page is an Energy Survey which can calculate the amount of savings the Nexus System can give you. Click on the link for a full screen version to get started and save to your hard drive for future reference. For the most current information and specifications on the Fireye Nexus Control System click here.

Energy saving features of Nexus efficiency systems

Independent servo positioning motors

Greatly reducing linkage arrangements and removing mechanical play. The system provides high accuracy positioning to 1/10th of a degree and excellent repeatability, this is key to optimizing combustion performance throughout the firing range.

Fully closing air damper

Independent control of fuel and air positions also allows Nexus to fully close the air damper during an off cycle (instead of closure to low fire air position). This greatly reduces tramp air being pulled through the boiler during the off cycle and the tremendous losses created by that tramp air scrubbing the heat from the boiler.

Independent fuel profiles

Characterized fuel curves for each fuel mean no compromise between fuels the best set up specific to the selected fuel or operating requirement. Best set up per fuel equals best efficiency per fuel.

Selectable light off position

Each fuel can be set up with it’s own optimized light off point. These are independent from low fire to ensure maximum turndown on the burner is possible but still with reliable light off.

High accuracy load control

Using precise electronic process sensors and full 3 term P+I+D control loops ensures the minimum input is used at all times to exactly meet the boiler load requirement, reduce cycling and provide smooth and steady outputs

Night setback

Switch selectable desired values are programmable to help reduce energy consumption during off peak hours.

Sequencing/lead-lag

Ensures the minimum boiler capacity is used at all times to exactly meet the building load requirements. Ensures that the lagged boilers are isolated from the system to prevent high losses when cycled off, kept warm or banked for steam.

Optional O2 Trim

24 hour compensation for small fluctuations in fuel pressure and barometric conditions, trim adjustment on fuel or air is selectable. The O2 probe we manufacture is proven to operate for many years without problems.

Optional variable frequency drive

Large saving in electrical energy (typically 40% - VSD supplier figures), reduction in acoustic levels and maximizing of the burner turndown.

Optional communications software

Graphical mimic panels, remote monitoring, trending, logging, graphing, fault analysis, modem communications option, upload and download of programmed values. Energy savings related to service interval planning, efficiency logging and monitoring and identification of drifting or variation in process.

One point we stress, in a purchase decision, is that the customer considers the available local and factory support. All of the systems around today can save energy but they are complicated systems and having a high level of Local and Factory support is a key element to success. Boiler Room Services, Inc. has completed several local jobs. For these jobs we have provided a complete Engineering package custom to our customers’ needs. Our support includes Intelligent Electrical CAD Drawings, complete shop testing and programming of the controls to be witnessed by the customer prior to shipping. Included is a link to some contact names and phone numbers. Please feel free to call any of these companies for testimonials.