Mitsubishi Electric
has launched the next generation of VRF (Variable Refrigerant Flow) air conditioning with the new City Multi YNW to offer the market a system that
delivers ultra-quiet noise levels, an increased performance and a reduced
footprint.
“The new City Multi
YNW models deliver the lowest installation costs, the lowest running costs and
the lowest CO2 emissions currently
available in a VRF system,” explains Jordan Jeewood, product specialist for the
company’s City Multi range.
The YNW outdoor units
include a unique new, 4-sided heat exchanger which maximises the space
available for plant by reducing the area required for air conditioning modules.
Improved compressor and fan design also help to reduce sound power, making the
YNW one of the quietest VRF systems available on the market.
“We’ve looked at how
to improve the system in almost every area and this means improvements across
the board,” explains Jeewood. “In the case of our most popular 34kW model for
example we see a 19 per cent increase in seasonal efficiency, making compliance
with energy legislation easier to achieve.”
Air source VRF systems
are one of the most popular and widely used air conditioning systems in
commercial buildings. However, our town and city centres are becoming more
densely populated and we see an increase in multi-use buildings with office,
retail and leisure spaces in close proximity to both residential and hotel
accommodation.
Noise and plant space
has therefore become a key issue and the City Multi YNW has been designed to
address these challenges whilst meeting energy efficiency legislation.
The City Multi YNW
also offers incremental capacity steps which give increased flexibility in
noise output control. This flexibility is further enhanced with multiple
external static pressure settings, extended up to 80Pa which will help with
long or narrow ducting requirements.
“We have increased the
amount of cooling capacity that can be delivered per square metre of plant by
28 per cent thanks to the advanced wrap around heat exchanger,” adds
Jeewood. “This means less space is needed for outdoor modules and greater
flexibility in where they can be located.”
These new models are
available in capacities from 22kW to 150kW to offer some of the highest levels
of efficiency coupled with smaller footprints, reduced noise levels and
increased design options.
City Multi’s unique
heat recovery two-pipe option also allows for phased installation, meaning that
the cooling and heating system can be installed around a project build, with
individual sections commissioned as required.
Up to 50 indoor units
are connectable to the larger outdoor unit models and a complete new range of
Branch Controller (BC) boxes is now available with reduction in height, a
removable drain pan and a reduced refrigerant charge.
A completely new
piping layout for the Branch Controllers (BC) boxes also increases the options
for designers and installers and can help reduce installation time and make
maintenance regimes easier.
“Today’s installers
and building operators face tough challenges set by planners and designers and
the City Multi YNW is designed to deliver the most energy efficient solutions
whilst providing the most comfortable environment,” ends Jeewood.
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