Cold Link Africa Cold Link Africa_Sept_digital | Page 41

#FRIGAIR2018
INCORPORATING COLD CHAIN
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Presenter: Amir Naqvi (Honeywell)
Topic: Refrigerant alternatives to R22
Summary: Amir Naqvi, strategy and
business development manager for
EMEA at Honeywell, spoke on all things
refrigerants, starting with a brief history
lesson before moving on to a look into
global trends. His talk also covered an
introduction to HFO refrigerants and
looking at how various alternative
refrigerants weigh up against what
we currently use. He looked at the
Montreal Protocol and what the Kigali
Amendment means for refrigerants,
talking about the HFC phase down
globally. Naqvi looked at alternatives for
R22 specifically, sharing information on
the options that Honeywell has available
in their Solstice refrigerant range. From
commercial refrigeration to industrial,
he also shared some case studies on
successful retrofit projects. Presenter: Carsten Dahlgaard (Danfoss)
Topic: The formula for efficiency in
hot gas defrosting within industrial
refrigeration; effective and cost-efficient
hot gas defrost methods; and future
trends in industrial refrigeration
Summary: Dahlgaard, who is the senior
director: sales for Danfoss in Europe,
Middle East and Africa, was in town from
Denmark to deliver his talk. He kicked
things off with more information about
Danfoss and its international market share,
before moving into the specific segment
of industrial refrigeration. He looked at
innovation highlights from the past 14
years, and discussed opportunities for
improved efficiency, particular to industrial
refrigeration. He shared a few case studies
and looked at how ammonia and CO 2
systems compares. He also looked at the
challenges we face today in terms of
natural refrigerants in industrial refrigeration. Presenter: Dawie Kriel
Topic: Refrigeration outsourcing
Summary: Kriel is the head of EP
Refrigeration, a division of Energy
Partners, and started his talk with a
look at what exactly outsourcing is and
how it works. He then looked at why
outsourcing is a good idea, covering
the new service level agreement and
life cycle costing in particular. Next
he looked at the cooling meter EP
has developed and how this works
to determine the cost of cooling for
clients. Kriel then showed examples of
outsourced plants already running in
South Africa, sharing examples both
from the retail and the industrial sector.
He ended off by looking at the benefits
of the outsourced cooling model. Presenter: Charel Marais
Topic: Ducting installation: good practice
and applicable standards
Summary: ACRA trainer, Charel
Marais, spoke on a topic he is
very knowledgeable about: duct
manufacturing and installation. “The
purpose of this presentation is to show all
how important quality workmanship is, by
following various duct standards — local
and international standards,” he said. “The
goal is to have all consultants, contractors,
and manufacturers implement and apply
quality standards. Together we can make
a difference.” His presentation included
a vast number of pictures taken on site,
showing the good, the bad, and the ugly.
With some practical tips and valuable dos
and don’ts, Marais summarised a very
extensive topic concisely, urging everyone
to take pride in their work and up the
quality on site.
COLD LINK AFRICA • September 2018
www.coldlinkafrica.co.za
41