PROJECT
INCORPORATING COLD CHAIN
ABB switchgear was used.
A look inside the DB boards for the refrigeration packs.
There are 167 refrigeration points connected to the CO 2 refrigeration plant.
including a monitoring system. The
refrigeration packs were all custom-built
and locally manufactured at the CRS
premises in Johannesburg.
The main distribution board feeds the
transcritical racks and evaporator coils.
All freezer rooms have hot-gas defrost.
They range in temperature depending on
the product, with the freezer rooms being
kept at -20°C, the citrus at 2°C to 5°C, and
the avocados and bananas at 14°C. This
is because if it is too hot, it will ripen fruit
too fast and if too cold will make the fruit
go black.
Two identical refrigeration packs were built by CRS for this project.
14
www.coldlinkafrica.co.za
The packs are cooling about 167 points,
including various cold and freezer rooms,
freezer and cold cabinets, and chillers.
There are night blinds on all cabinets
and freezers on the shop floor to
ensure no energy is wasted because of
unnecessary refrigeration.
The vegetable rooms can fit an
impressive 1 500 pallets and boasts 12m
insulated panels from Dalucon – the
largest single-mould injected panels
available locally. The rooms are also
equipped with Storax mobile racking
from Barpro Storage that can move
All cabinets are equipped with night blinds to further reduce energy costs.
COLD LINK AFRICA •
OCTOBER 2019