Advances in Technology Provide
New Ventilation Solutions
extra cooling capacity for redundancy
the fans run at slow speed which
further reduces costs. Master and
Slave PLC arrangements also provide
a resilient solution to cooling.
Temperature and Humidity Compliant
Warehouse Cooling
Many locations can maintain
compliant conditions by using only
‘free cooling’ (fresh air). Multiple EC
fans can be connected directly to
Everyone is aware that simple
In warm weather a refrigeration based
simple temperature controllers giving
ventilation can provide a perfectly
cooling system is often used to reduce
the simplest of automated solutions.
satisfactory solution to cooling many
internal temperatures. This is both
industrial and commercial premises in
expensive to install and to operate. In
the food and drink industry. However
many applications the refrigeration
recent advances in fan technology,
element can now be replaced by direct
controls and evaporative cooling have
evaporative cooling, where the hot air
now taken this principle to a new level
is passed over simple wetted filters
of performance.
and the air is cooled by evaporation.
Electrically Commutated Fans
Programmable Controllers
At the heart of any ventilation system
A new generation of low cost
sophisticated air handling system
is the fan. For both room temperature
Programmable Logic Controllers
that can compare with any air cooling
management and efficiency, fan
(PLC’s) are now available which
refrigeration system at a fraction of
speed control is essential. This is also
provide a simple method to
the energy cost and provide a high
demanded by local regulations and
manage ventilation systems. The
level of control of the environment.
European Energy Directives.
controller typically takes inputs from
Traditional fans have induction
motors typically controlled using
variable frequency inverters or voltage
control. This approach has now
been replaced with Electronically
Commutated (EC) fans which have
significant advantages over the
traditional AC fans.
Direct Evaporative Cooling
stringent conditions have to be met
or when heating and cooling systems
need to be integrated.
In conclusion – Ventilation coupled
with evaporative cooling and modern
controls can provide industrial
and commercial premises with a
temperature, relative humidity and
carbon dioxide sensors and produces
control signals to operate fans,
dampers and control valves using
internal logic.
Computer Room Cooling
All IT equipment in server rooms
and data centres requires cooling.
A ventilation system supplemented
For many buildings ventilation can
with direct evaporative cooling can
service all of the cooling needs for
reduce the cooling energy bill by
over 90% of the time.
over 95%. Because there is normally
16 FDPP - www.fdpp.co.uk
PLC’s can be used where more
NOTE WRITTEN BY EcoCooling
PHOTOGRAPHY BY EcoCooling
EcoCooling
For more information and case studies
please contact EcoCooling on the details
below:
Contact Details:
[email protected]
www.ecocooling.org
Twitter: @ecocoooling1
Tel: 01284810586
www.ecocooling.org