www . refrigerationandaircon . co . za RACA Journal I February 2025 21
Business leaving the landlord with additional operational costs down the line .
Clearly site security needs to be tightened up and improved upon , again at substantial cost to the landlord . In this regard , security camera surveillance is a positive deterrent , as is effective site access control monitoring .
So , what is planned for the unit referred to in this article ? A decision has been taken to replace the plant with a new 155 kW air-cooled unit - commonly known locally as a ‘ hybrid ’ unit - to serve the affected ( 3 OFF ) retail shops .
The existing unit enclosure ( box ) will be restored to new condition , all internal components stripped out and removed , to be replaced with new DX coils , fan wall , EC plug fans , electronic expansion valves and control panels . Remote VRF air-cooled condensing units will be installed in close proximity , thereby ensuring an energy efficient and cost-effective solution going forward .
Such conversions to existing ( redundant ) plant , have proved extremely successful and offer a sustainable alternative to a ‘ like for like ’ plant replacement . RACA
Copper discharge and suction lines cut and removed
Power supply cables cut
www . refrigerationandaircon . co . za RACA Journal I February 2025 21