A Review of Emerging Technologies for Food Refrigeration ...
Advanced Refrigeration Technologies from Hill PHOENIX€¦ · Advanced Refrigeration Technologies...
Transcript of Advanced Refrigeration Technologies from Hill PHOENIX€¦ · Advanced Refrigeration Technologies...
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Advanced Refrigeration Technologies
Advanced Refrigeration Technologies
from Hill PHOENIX
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Advanced Refrigeration Technologies
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Design Impact on Refrigerant RequirementsCurrent Direct ExpansionCurrent Direct Expansion Direct Expansion DistributedDirect Expansion Distributed
MT Secondary/LT DXMT Secondary/LT DX MT Secondary/LT CO2 SecondaryMT Secondary/LT CO2 Secondary
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Advanced Refrigeration Technologies
Design Impact on Refrigerant RequirementsDesign Impact on Refrigerant RequirementsCompact Chiller MT and LTCompact Chiller MT and LT
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Advanced Refrigeration Technologies
Distributed Systems• Locate multiple systems closer
to refrigerated loads• Reductions in copper piping,
refrigerant charge, and leak rates
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Advanced Refrigeration Technologies
Second Nature MT• Medium-Temperature Secondary Coolant System• Circulates propylene glycol in sales area through
ABS piping network• Refrigerant confined to mechanical room• 60-80% charge reduction• Up to 90% reduction with
modular water-cooled condensers
SNPSMedium Temp Pump Stations
SNMTMed Temp
Secondary Systems
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Advanced Refrigeration Technologies
Second Nature LT Secondary• Low-Temperature Carbon-Dioxide
Secondary Coolant System• CO2 pumped through
sales area• Primary refrigerant
confined to mech. room• 60-80% HFC charge
reduction• Up to 90% reduction with
modular water-cooled condensers
SNLT2Low Temp Secondary CO2
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Advanced Refrigeration Technologies
Second Nature LT CO2 DX Cascade• Low-Temperature Carbon-Dioxide
Direct Expansion Cascade System• CO2 piping in sales area• EEVs on evaporators• Primary refrigerant confined to
mechanical room• 60-80% HFC charge reduction• Up to 90% reduction with
modular water-cooled condensers
SNLTX2Low Temp
CO2 Cascade
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Advanced Refrigeration Technologies
Second Nature Compact Chiller• Secondary Coolant System• Primary system is modular ultra-low-
charge: Less than 120 lbs. for typical MT system
• Reliable scroll compressors close-coupled to heat exchanger
• 95% charge reduction• Ultra-low leak rate• Pre-charged from factory SNCC
Compact ChillerSNPS
Medium Temp Pump Stations
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Advanced Refrigeration Technologies