Product category:
Heating Systems, Controls and Management
News Release from: Worcester Bosch Group | Subject: Greenstore Ground Source Heat Pumps
Edited by the Buildingtalk Editorial
Team on 29 October 2007
Extending Greenstore range and gaining
G3 approval
Worcester further expands its renewable technologies to include an 11kW System heat pump together with four Combination ground source heat pumps and two new Greenstore Cylinders.
Further to the introduction of its System range of Greenstore Ground Source Heat Pumps in summer 2006, Worcester has further expanded its renewable technologies offer this year to include an 11kW System heat pump together with four Combination ground source heat pumps and two new Greenstore Cylinders The 11kw System model joins the existing Greenstore 6 System, 7 System and 9 System ground source heat pumps whilst the combination models, which are also available in 6kW, 7kW, 9kW and 11kW outputs, were introduced in early 2007 to suit homes that don't have the space to accommodate a separate cylinder for hot water storage
This article was originally published on Buildingtalk on 29 Oct 2007 at 8.00am (UK)
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Completing the package of ground source heat pump solutions available from Worcester, the Greenstore Cylinder series is available for installation with any of the System models available in the range.
With a limited choice of unvented cylinders with extra large heat exchange area's available for installation with heat pumps in the UK, Worcester's Greenstore Cylinders provide a solution to this problem and are available in two sizes -- 180 Cylinder and 280 Cylinder.
Both feature a tank in tank design to achieve the larger surface area required for heat pumps and include a secondary heat source coil, making them compatible with Worcester's Greenskies solar system too.
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Importantly, the Greenstore Combination series of heat pumps and the Greenstore Cylinder range have also been fully approved by independent testing body KIWA, to section G3 of the building regulations, which means they fulfill the legal requirements for unvented hot water storage.
The complex nature of these requirements and the fact that, in Europe, only the UK has such stringent requirements means that products imported to the UK are unlikely to comply with the regulations.
As such, Worcester has taken the step of specifically approving the products it brings to the UK and is the only supplier of combination heat pump products which include the mandatory G3 approval.
The G3 regulations have been devised as the method to ensure that products which store in excess of 15 litres of hot water are equipped with safety devices capable of preventing the water from exceeding 100C.
Within the appliance a factory fitted temperature and pressure relief valve has been installed whilst within the installation pack the installer has to fit the pressure reducing valve, expansion valve, check valve and expansion vessel into adjoining pipework.
For this reason the Greenstore Combination heat pumps, Greenstore cylinders and also the forthcoming Greenskies cylinders have all been though various modification and/or testing procedures to guarantee compliance.
Martyn Bridges, director of marketing and technical support at Worcester, said: "At Worcester we always aim to ensure our products are of the highest standard". Request a free brochure from Worcester Bosch Group ...
"Meeting regulations is our minimum target and where possible we look to significantly exceed those regulations with the quality and efficiency of our appliances.".
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