Project: Batchelor Ecodan Heat Pump for Swimming Pool and Changing Room 09 23

Sep 12, 2023 | Air to Water Heat Pumps, Air Source Heat Pumps

This recently completed Ecodan heat pump pool project sees two high-efficiency air-to-water heat pumps configured to heat a swimming pool in a residential home and to provide hot water and underfloor heating for the changing room. The homeowner’s requirement for three separate flows from the system presented a number of unusual challenges. Our team at Batchelor designed a complete solution which is now delivering significant financial and environmental benefits to the converted barn.

Ecodan heat pump

Following discussions, two 8.5kW Ecodan heat pump monobloc units from Mitsubishi Electric were chosen, operating on lower global warming potential (GWP) refrigerant R32 to supply hot water at 55°C to a pool water heat exchanger, which in turn heats the pool water. They are also being used to provide domestic hot water (DHW) for the changing room shower and sink via an indirect-fired water heater (hot water tank with coil heat exchanger) and space heating via an underfloor heating system.

A thermostat detects the pool water temperature and, when required, signals via the pool control panel for the pool circulation pump to start and for the Ecodan control panel to start the primary circulation pump and the Ecodan heat pump itself. Wi-Fi control and monitoring were also installed, along with independent electricity monitoring and a class II heat meter to measure system efficiency.

Testimonial

The homeowner Tom Williams said: “Having spoken to many companies, Batchelor were the most helpful and proactive at working with me and the manufacturer to provide a solution to my apparently unique issue of requiring three separate flows from the heat pumps: low pressure hot water for the swimming pool system, hot water for a shower and hot water at a different temperature for underfloor heating.

“The installation was not without its challenges, and Batchelor’s installation engineer was tenacious throughout, resolving issues as they arose. The system now functions well even at low external temperatures, and I am looking forward to a (hopefully) very cheap warm summer where the pumps are rarely on!’’

What we say

Batchelor general manager Mark Richardson said: “The customer approached us to provide a combined solution of swimming pool heating alongside underfloor heating and hot water for the immediate facilities. It was a highly satisfying project to be involved with because careful consideration had to be given to the way the system controlled and regulated various temperatures for each different circuit. The Ecodan heat pumps integrated with the swimming pool system controls and energy monitoring interfaces.”

ecodan heat pump pool project

Ecodan heat pump pool project

 

 

 

 

 

 

 

 

 

 

 

About air-to-water heat pumps

Further reading: Is an air source heat pump right for my property?

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