THE CHALLEGE
Retrofit and Upgrade
A multi-national freight rail agency facility had to replace aging R22 condenser units and evaporator coil for their office depot. (HVAC) industry is in the process of changing over from ozone-depleting R-22 refrigerant to environmentally friendlier R-410A refrigerant. The manufacture and import of complete new HVAC systems using R-22 has been discontinued, and parts for R-22 systems are getting obsolete. HVAC contractors are now struggling to complete repair work due to lack of parts for these systems. Converting an R-22 HVAC system to R-410A is a major undertaking and is not a do-it-yourself project.
Conversion requires replacing the R-22 evaporator coils and condenser units with a system designed to run with R-410A. The copper lines connecting the components also must be replaced, The new copper pipes must handle the higher pressures of R-410A.
Retrofit and Upgrade aging HVAC systems to Modern eco-friendly units
PROJECT SUMMARY
- No available spare parts from OEM as the model is obsolete
- Replacing aging R22 cooling system
- Damaged coils
- Replaced old R22 refrigerant system with eco- friendly R410 refrigerant
- Replaced evaporator coil to suit
- Upsized the condenser units
- Automated temperature controls
- Improved Year-round comfort cooling and heating for personnel.
- More energy efficient system
PROJECT TEAM
Transnet Freight Rail, Standerton
SAWA Construction, Witbank
K-Energy.Co, Johannesburg
LG Electronics SA
THE SOLUTION
Energy Efficient eco Friendly solutions, while increasing cooling capacity
Our expertise and relationships with OEM in the sector were one of the many factors in vendor selection – and why K-Energy were chosen
K-Energy was called on to do the retrofit on the l the HVAC system that provides critical comfort heating and cooling for the facility which operates 24/7. That means production carries on despite the HVAC system relocation and upgrade.
Our solution included
Decommission R22 condenser units and its control modules.
Remove aging refrigerant piping and cables
Remove R22 expansion valves
Install smart central controller touch pad and wiring to the office
Upgrade the Electrical circuit breakers, cables and isolators
Install and commission R410 condenser units
Install compatible electronic expansion valves, and related communication kits
Checkout The Work
Action pictres from site
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