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Mitsubishi Electric
Mitsubishi Electric Case Studies
Winter Tests Prove Ecodan’s Credentials
Live winter trials of Mitsubishi Electric’s
award-winning Ecodan systems have clearly demonstrated that the
low-carbon heating system lives up to expectations and is more than
capable of dealing with whatever the British weather can throw at
it.
All three different models in the range have been
put through their paces using state-of-the-art monitoring equipment
to record the live performance in four different locations around
the UK.
The properties included a 3-bed terraced house, a
4-bed semi, a large 5-bed detached home, and the BRE Visitor’s
Centre in Watford. Of the houses, only the 3-bed property was newly
built, with retro-fitted Ecodan units replacing the traditional
heating system in the other two.
Temperatures dropped to -9ºC and -10ºC at times
throughout the trial which allowed the company to put theory into
practice and demonstrate that Ecodan will deliver the performance
necessary to cope extremely well throughout the British year and
that this has been achieved in a variety of different properties and
configurations.
The tests involved different combinations of hot
water, and space heating via both radiators and underfloor heating.
The units in the properties delivered COP’s ranging from 3.0 to
3.33, despite some of the lowest recorded outdoor temperatures for
decades. A level of 3.33 shows that 2.33kW of renewable energy is
being harvested from the surrounding air for every 1kW of
electricity used and Ecodan is therefore operating at an efficiency
level of 333%.
Unlike many other air source heat pump systems,
Ecodan has been specifically designed for the UK market and
deliberately tailored to be easy to install by a suitably qualified
plumber or installer who has been on the one-day course.
Advanced Control & PV Helps Willmott Dixon
Rethink Health
Construction specialist Willmott Dixon has
unveiled the future of local health at the BRE Innovation Park in
Watford, with a building designed to show what a community health
centre of the future could look like.
As a top ten health sector contractor, the
company has developed the Willmott Dixon Community Healthcare Campus
to give the health industry a valuable insight into what the patient
experience could be at a local level in the next 20 years. With an
ageing population, the way we currently deliver healthcare will no
longer be viable and there will be a real need for more localised
care to help people manage increasingly complex medical conditions
in their own home.
Willmott Dixon and partner Primary Asset are also
using the facility to demonstrate different ways of designing and
building in line with the NHS 2018 zero-carbon building targets.
At the heart of the building’s mechanical
services is an M2M Maxi control system from Mitsubishi Electric
which acts as a mini-BMES, controlling all of the heating, cooling,
ventilation and power generation for the centre.
The building incorporates passively ventilated
consulting rooms, comfort heating and cooling, and a Lossnay RX5
heat recovery system and these all need an accurate control system
to work efficiently together.
Mitsubishi Electric has also installed an array
of photovoltaic panels on the roof of the centre which will generate
around 11% of the electricity required.
In addition to a covered roof terrace that
incorporates a healthy food growing area, the building features a
reception area incorporating a smartcard system that links to
patients’ online records, an outdoor fitness area and a pharmacy of
the future.
The M2M control system is the first of its kind
in the air conditioning industry to come with the unique ability to
monitor other systems within a building. It offers a relatively
low-cost solution for premises without Ethernet connections or with
security networks and firewalls. Heating, cooling and ventilation
are major energy consumers in modern buildings but we must have them
to meet legislation on air quality and internal temperatures as well
as match the demands of modern life.
When a building introduces different systems,
there is a danger that they can work against each other and this is
where the M2M comes into its own as it allows the centre’s staff to
closely monitor energy use and accurately control the building’s
facilities in harmony.
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