Case study:

HVAC control for retail and offices
Solution:

Multibrand Modbus Air Conditioning Gateways

Country:

BelgiumCompany:

nanoGrid

Summary:				

nanoGrid uses Intesis Modbus gateways for the 		integration of Air Conditioning systems in their retailand Energy Management projects.

Benefits• Provides up to 45% energysavings.
• Avoids unnecessary
consumption during
closing hours.
• Remote control of Air
Conditioning’s key
variables such as ON/OFFor set point.

A global Energy Management Platform
for multi-location companies
nanoGrid specializes in climate-friendly facilities management,
offering a global energy management platform for detailed
monitoring and optimal control of its client’s operations andlocations. Thanks to this, energy consumption and people’s
comfort are managed and maintained securely, in line withinternational directives for sustainability.
nanoGrid combines different specializations in terms of energy management,
including installation, monitoring, hardware and software development,
engineering, as well as providing advice and reporting. The company makes
it possible for customers to continuously optimize the energy consumption attheir premises and thus improve their energy profiles. As a part of their services,
nanoGrid company controls the HVAC-utilities at the different locations of theirclients. From their offices in Erembodegem (Belgium) nanoGrid remotely controls
heating, ventilation and air conditioning in clients’ installations.
By remotely controlling the temperature setpoint of the AC, unnecessary energy
consumption is avoided after business hours. The nanoGrid solution for retailers
and office buildings makes it possible to switch off the AC units at night and during
closing times (like weekends or holidays). By doing so, energy waste is avoided andsavings are generated for their clients.

“We choose Intesis products because
they are very user-friendly, almost
plug-and-play, and they provide asolution for integrating a wide rangeof air conditioning brands”
Timour Matthys, CTO at nanoGrid.

Why was Intesis solution chosen?
When looking for a solution to remotely control different brands ofair conditioners, nanoGrid came across Intesis, which provides aneasy to use and affordable solution to connect different AC brands
to their nanoGrid box via modbus protocol. nanoGrid uses Intesis toconnect to Fujitsu, Toshiba, Mitsubishi, Daikin, Hitachi and Midea ACunits.
Intesis offers a very user-friendly solution, almost plug-and-play, toconnect to the AC controller. By connecting via modbus, nanoGrid
can connect it to its data logger and controller. The installationof the Intesis gateways at their client’s premises is done by theirnormal electricians, who have received training on how to install thenanoGrid solution and common accessories.
Intesis gateways have been mostly used in Belgium, the Netherlands
and Luxemburg, e.g. in the shops and locations of some of nanoGrids
retail clients such as ZEB, Bel&Bo, Euroshoe, Deschacht, JBC, Fashion
for Stars, Krëfel and some bank offices of Belfius.

Results:
Specific commands programmed in the cloudbased nanoGrid software allows orders to be sent
to the Intesis gateway, which translates it to theAC controller. Typical commands are changeing thesetpoint temperature and switching the AC unit ONor OFF. By switching the AC units OFF when there
are no employees/clients in the shop, unnecessary
electricity consumption is minized.
Remote control of the HVAC units can provide up to45% of energy and cost savings. The graphs show
the consumption profile of Daikin units one month
before, and after, the remote control application
operation. The two graphs show the same periods
during two subsequent 12 month.

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Part No: INSSNGEN2021 Version 01.0/2021 - © HMS Industrial Networks - All rights reserved - HMS reserves the right to make modifications without prior notice.