Queen Ethelburga's Collegiate: New dual-fuel burners for existing local heating network

Queen Ethelburga's Collegiate comprises four boarding and day schools for girls and boys and is located in Thorpe Underwood, near York, England. The college operates an extensive heating infrastructure to supply the facilities on its large campus. Three boilers, each with a capacity of 1.5 MW, supply the local heating network for several buildings, including residential blocks, a laundry, the swimming pool, and an insurance company with offices on site. However, the burners originally installed on the boilers proved increasingly problematic. “They were constantly breaking down, and spare parts were becoming increasingly difficult to source,” explains Andrew Lamb, who is responsible for the college's heating system. In view of these problems, it was clear that modernization was necessary.

The decision to switch to Weishaupt burners was influenced by a previous successful test: Queen Ethelburga's had installed a Weishaupt burner on a Boiler  that serves as an emergency backup for the water sports center. “The test burner worked perfectly. This experience convinced us to replace all three burners,” says Andrew Lamb.

The new Weishaupt monarch® burners not only maximized reliability but also Efficiency . The burners are equipped with speed control. A frequency converter mounted on the Burner motor  adjusts the motor speed to the heat demand. Once the system has reached the desired temperature, the burner output is reduced, which lowers both fuel and electricity consumption. The W-FM54 digital combustion management system ensures precise control. Initial calculations showed a payback period of five years for the investment, underscoring the long-term financial benefits of the modernization.

The new Weishaupt monarch® WM-GL20 dual-fuel burners operate with liquid gas in fully modulating mode or with hydrogenated vegetable oil (HVO) in three-stage mode. This allows the college to optimize its fuel choice based on cost and availability while ensuring efficient combustion. And the reduced Emissions  are in line with the college's strong commitment to sustainability.