obras hidráulicas provision of technical services and...
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Obras HidráulicasPortezuelo del Viento Provisionoftechnicalservicesandmonitoringequipmentforrefrigerantleaksandenergyconsumptionin29supermarketbranchesin
Argentina
41st. OEWG
Bangkok, 4th. July 2019
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General Background
• Supermarket sector in Argentina has consistentlygrown and future growth is expected
• Preventive maintenance of refrigeration systems isnot always performed by well trained staff
• Refrigerant leaks are high and growing.
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Objective
To reduce refrigerant leaks, measure cooling energy consumption and check the impact on energy efficiency and refrigerant
consumption of the interventions introduced, to demonstrate the importance of good preventive maintenance practices
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• Leak prevention is crucial not only for directenvironmental benefits but also for reduction ofenergy consumption.
• Since these issues are not carefully addressed bymost companies, their owners and the companymanagement are not aware neither of theenvironmental nor the economical impacts
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Benefits expected
• Environment: Minimize ODS and green-house gasemissions to reduce the footprint of refrigerationsystems in the selected supermarkets.
• End User: Cost savings in the operation ofsupermarkets, by the reduction of refrigerant andenergy consumption
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Supermarket Branches• 29 out of 53
• Leak rate > 30 %/yr
• Located in different climatic regions
• Pertaining to different chains (5)
• Different quality in maintenance practices
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Geographical distribution of supermarkets
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• Review and record the type and condition of their coolingequipment.
• Prepare expert recommendations and action plan for thereduction of refrigerant leaks and decrease of energyconsumption
StageI: Diagnosisfact-findingvisittoeachofthesupermarketsto:
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ComponentsIdentificationChecklist
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LeakSearchChecklist
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Compressors&CondensersEnergyConsumption
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StageII: follow-upvisits(altogether3visitstoeachsupermarket)to:
• Review the implementation of recommendations and actionplan specified in Stage I; and
• Check the functioning and readings of the installed monitors,working together with the maintenance staff of the store
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• major findings;• lessons learnt;• bottlenecks;• costs incurred;• reduction of refrigerant use compared to the baseline;• energy savings compared to the baseline;• financial savings; and• resulting environment benefits
StageIII: PreparationofaFinalReportcontainingthefollowingconclusions
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The contractor as well as supermarkets staff involved in the project implementation will
participate in a workshop to be organized by the Oficina Programa Ozono (OPROZ) to share the
project results with other supermarkets, commercial refrigeration service
companies and independent technicians
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Thank you!!!!