Andreas Meier, TEKO
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At the technology round table strategic presentations on Industrial Refrigeration will be presented by leading industry representatives, followed by a panel discussion.
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Andreas Meier, TEKO
- 1. Journey of CO2 - much easier than expected Andreas Meier
- 2. Technical comparison 1996: Dispack 1 (R404A) 2017: ROXSTAcube mini (R744)
- 3. Technical comparison 2014: POLAROX (R 134a/R 744)
- 4. Technical comparison 1998: Multilevel-Pack (R404A) 2016: ROXSTAsmart (R744)
- 5. InstalledTEKO Units 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2012 2013 2014 2015 2016 2017 2018 F-gas CO2
- 6. Energy costs per year in Munich (Germany) 0 2000 4000 6000 8000 10000 12000 14000 16000 18000 -10 -7 -4 -1 2 5 8 11 14 17 20 23 26 29 32 35 38 Energyconsumption[kWh] Ambient temperature [°C] Munich ▪ R 404A 100 % ▪ R 134a/CO2 - 8 % ▪ CO2 transcritical - 22 % ▪ CO2 with EVAlift - 28 %
- 7. Energy costs per year in Melbourne 0 5000 10000 15000 20000 25000 30000 -10 -7 -4 -1 2 5 8 11 14 17 20 23 26 29 32 35 38 Energyconsumption[kWh] Ambient temperature [°C] Melbourne ▪ R 404A 100 % ▪ R 134a/CO2 - 10 % ▪ CO2 transcritical - 22 % ▪ CO2 with EVAlift - 29 %
- 8. Energy costs per year in Brisbane 0 5000 10000 15000 20000 25000 30000 35000 40000 -10 -7 -4 -1 2 5 8 11 14 17 20 23 26 29 32 35 38 Energyconsumption[kWh] Ambient temperature [°C] Brisbane ▪ R 404A 100 % ▪ R 134a/CO2 - 11 % ▪ CO2 transcritical - 18 % ▪ CO2 with EVAlift - 25 %
- 9. Energy costs per year in Cairns 0 10000 20000 30000 40000 50000 60000 70000 -10 -7 -4 -1 2 5 8 11 14 17 20 23 26 29 32 35 38 Energyconsumption[kWh] Ambient temperature [°C] Cairns ▪ R 404A 100 % ▪ R 134a/CO2 - 10 % ▪ CO2 transcritical - 14 % ▪ CO2 with EVAlift - 20 % • Transcritical systems: safe operation during unexpected temperature peaks!
- 10. Comparison of cost difference CO2 to F-gas -10% 0% 10% 20% 20 40 60 80 100 120 140 160 capacity in kW Basic: F-Gas-Unit
- 11. Comparison of cost difference NH3 to CO2 -20% -10% 0% 10% 20% 30% 50 150 250 350 450 550 650 750 Basic: CO2 DX systemcapacity in kW NH3 DX system
- 12. CO2-Technology – reliable, easy and efficient • CO2 is a natural refrigerant • CO2 technology is sophisticated • CO2 invest doesn`t has to be higher than for F-gas applications • CO2 shows its performances in all regions • CO2 is an efficient refrigerant • CO2 can be even more effectiv by using technologies like EVALIFT or ejectors → Installers and engineers have to be trained on CO2