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Glow-worm launches small Clearly Heat Pump model
Published: November 2010
Glow-worm has added a 5 kW air-to-water heat pump to its Clearly Heat Pumps range. These units have an electric back-up heater and are designed for new-build homes with low energy requirement and can contribute to achieving Level 4 of the Code for Sustainable Homes. They are accredited under the MCS (Microgeneration Certification Scheme) and therefore eligible for possible funding under the proposed Renewable Heat Incentive. These units achieve a COP of 3.79 with an ambient temperature of 7°C and water temperature of 35°C. They use R410A, but No F gas qualifications are required to install these units. An inrush-current limiter enables a standard 20 A breaker to be used. The indoor hydraulic module separates the heat-pump circuit from the central-heating system, so there is no need to fill the entire system with glycol antifreeze. The hydraulic module incorporates a 20 l buffer vessel, a 12 l expansion vessel, circulating pump, filling valves for the glycol circuit, PRV and a inline heater adjustable up to 6 kW. These heat pumps use Glow-worm’s eBus communication protocol so they can be teamed up with a suitable Glow-worm boiler and an alternative hydraulic module to form the Clearly Hybrid system. For more information on this story, click here: Nov 2010, 106 Related articles: 
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