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used, installing multiple boilers rather than one can reap significant energy- saving benefits. Heat requirements are matched by s in a more effi


at a higher, less efficient modulation. This is where b especially beneficial.


modes. In unison In multiple bo


modules firing a at the same time to match the base lo


of this setting is to have them all modulate to more e In cascade contr boiler modules as


hydraulic configuration local to the boilers. Another benefit of multiple boilers is the availabilit ty of a backup during service


or breakdown. While one boiler is out of use, others can step in to cover the heat demand without even use across


tinterruptingtheheatsupply.Usingm stheinstallationforalongerproduct


underuse of individual boilers.


Looking beyond the boiler To make the bes


life, avoiding over- and multiple boilers ensures


ncontrol,thecontrollerattemptstoh oiler arrangements, the boilers can be


rol, the controller attempts to match t a possible. Each method has its own


built-in boiler controls are several boilers which operate


hold as many boiler esettooperateindifferent


nmeritsdependentonthe the base load with as few fficient low fire together. oad of the building. The aim


st use of modern technology, the heat


at as a whole. Efficiencies can be improved by using sensors, mappin building, and con


ng out high/low use areas of a nsidering heat up time. With the


use of multiple boilers in combination with built-in controls, further energy savings can be achieved. Thi sbenefitsnotonlycarbon emissions and e


energy costs but can also


extend the reliability and lifetime of a system. Some built-in boiler controls can control


multiple boilers at once and help to ensure even use across the installation


advanced boiler controls, ting system should be looked


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March 2021


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