Copeland Transcritical 4MTLS CO 2 Compressors. June 2016
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1 Copeland Transcritical 4MTLS CO 2 Compressors June 2016
2 (i-pro CO2 ) (CX Valves) (CX Valves) (4MTLS) (XM 678 / 679) (EX Valves) - Synchronization of MT, LT and Parallel Compressors - Oil Management - Condenser Control - Communicate with High Pressure Controller and XM600 series Case Controls - Enable Remote Monitoring Of Entire System (ZO / ZOD) (EX Valves) (XM 678 / 679) Emerson Oil Controls, Electronic Pressure Regulators, Pressure Transducers, Ball Valves, Check Valves, Filter Driers, Sight Glasses, and Solenoids also Available 2
3 R-744 vs HCFC/HFC R-744 HFC / HCFC Impact on R-744 Systems Global Warming Potential Ozone Depleting Potential to for HFC / High for HCFC Future Proof Future Proof Saturation Pressures Operating Pressures Standstill Pressures (Power Outages) Rapid Pressure Rise Lower Lower Lower Lower Additional Safety Design Specialized Components Relief Valves/Tanks/ etc.. Pressure Relief Venting Inert Gas Flammability Toxicity Odor Yes A1 No None Yes A1 No None Copper may be used Not Flammable Asphyxiate in High Concentrations Leak Detection Required Volumetric Mass Flow Heat Transfer High Ambient Performance Low Ambient Performance Lower Good Lower Lower Good Smaller Tubes & Compressors Better Thermal Efficiency System Design to Compensate Subcritical Cascade Favorable Cost per Pound Complexity of Systems Adoption Legislation / Regulations Low Low Low Lower Economical First Cost, Training & Experience First Cost Long-Term Viability R-744 Provides Many Benefits Over HFC Options 3
4 Basic Properties of R744 with R404A and R134a Refrigerants Commonly used in the Retail Sector Refrigerant R744 (CO 2 ) R404A R134a R407A R407F Temperature at atmospheric pressure F (-78.5 C) Temp of dry ice F (-46 C) (Saturation temp.) F (-26 C) (Saturation temp.) F (-41 C ) (Mid Point Saturation temp.) F (-43 C ) (Mid Point Saturation temp.) Critical temperature 87.8 F (31 C) F (72 C) F (101 C) F (82 C) F (83 C) Critical pressure 1056psig (72.8 bar g) 503psig (34.7 bar g) 590psig (40.7 bar g) 641psig (44.2 bar g) 674psig (46.5 bar g) Triple point pressure 75 psia (4.15 bar abs) 0.44psia (0.03 bar abs) 0.734psia (0.005 bar abs) 0.18psia (0.013 bar abs) TBC Pressure at a saturated temperature of 20 C 815psig (56.2 bar g) 144psig (9.9 bar g) 68psig (4.7 bar g) 133psig (9.2 bar g) 139psig (9.6 bar g) Global warming potential
5 CO 2 System Architecture More Complex Than Traditional Systems Today s HFC System R-404A 1 Loop Max Pressure: 400 psi Partial CO 2 CO 2 Cascade HFC + CO 2 2 Loops Max Pressure: 500 psi CO 2 Systems Full CO 2 Transcritical Booster CO 2 3 Loops Max Pressure: 1,740 psi 1 R404A 1 HFC Fresh 1 CO2 Fresh 1 R404A Frozen 2 CO2 Frozen 2 3 Fresh CO2 Frozen Todays HFC Systems are called Traditional (DX) Direct Expansion Systems. Highest Contributor to (GWP) Global Warning Potential Partial CO 2 System is commonly referred to as CO 2 Cascade Systems. Lower contributor to GWP because half the system is made up of CO 2 Full CO 2 systems, commonly referred to as Transcritical Booster Systems Lowest contributor to GWP 5
6 Transcritical Systems Can Transition from Subcritical to Supercritical P.17 6
7 The CO 2 Phase Diagram C [ F] Source: Danfoss (modified from original) 7
8 Pressure-Enthalpy Diagram, CO 2 Liquid and Gas Density Are the same ONLY at Critical Point P
9 CO 2 Booster Refrigeration System Transcritical Compressors Pressures: Operating 120bar (1740 psi) High Side PRV 135bar (1958 psi) Inverter operation 25-60Hz 5,7,9,12,15, 28 HP Models gas density of CO 2 results in smaller compressor displacement with equivalent motor size compared to R404A 9
10 Transcritical CO 2 Compressors 4MTLS Series 4MTLS Series Description: Cooling Capacity 5 to 28HP Models, 3.3 to 12.8 tons 35 to 50HP Models, to 23 tons (Prelim) All 4-Cylinder Compressors Main Characteristics: Pressures: Operating 120 bar (1740 psig) Pressure Relief Valve Rating 135 bar (1958 psig) Low Sound Level, Vibration & Pulsation UL Approved for North America Inverter operation 25-60Hz CoreSense, Advanced Protection, Preventive Maintenance, Communication with CoreSense. 10
11 Copeland Transcritical & Subcritical Semi hermetic with CoreSense Protection 4MTL(S) Discharge Temp Sensor On Cylinder Head Service Valves (360 Rotation) ASME Approved High Side PRV Safety Valve 135 Bar (1958 psi) CoreSense Protection Control Module (3) Sight Glass Locations Current Sensor in T-Box Both Models Wiring Harness 11
12 Copeland 4MTLS with CoreSense Protection Provides Discharge Temperature Protection Provides Discharge Motor Protection Provides Missing Phase and Voltage Imbalance Protection Factory Installed (Refer to AE8-1367) Capable of Communication Via Modbus Protocol 12
13 Medium Temp Copeland CO 2 Compressors Jan 2016 Launch Available since 2013 Mar. 16 Samples Dec. 16 Product Item Number Voltage Nominal 14 F Nominal HP Maximum Working Pressure Standstill Pressure Low Standstill Pressure High UL Approval 4MTLS40KE-FSC-C00 208/230V 39,140 BTU/hr 5 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS40KE-FSD-C00 460V 39,140 BTU/hr 5 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS40KE-TSE-C00 575V 39,140 BTU/hr 5 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS53KE-FSC-C00 208/230V 52,750 BTU/hr 7 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS53KE-FSD-C00 460V 52,750 BTU/hr 7 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS53KE-TSE-C00 575V 52,750 BTU/hr 7 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS64KE-FSC-C00 208/230V 62,960 BTU/hr 9 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS64KE-FSD-C00 460V 62,960 BTU/hr 9 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS64KE-TSE-C00 575V 62,960 BTU/hr 9 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS82KE-FSC-C00 208/230V 82,000 BTU/hr 12 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS82KE-FSD-C00 460V 82,000 BTU/hr 12 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS82KE-TSE-C00 575V 82,000 BTU/hr 12 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS11ME-FSC-C00 208/230V 107,000 BTU/hr 15 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS11ME-FSD-C00 460V 107,000 BTU/hr 15 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS11ME-TSE-C00 575V 107,000 BTU/hr 15 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS15ME-FSC-C00 208/230V 154,000 BTU/hr 28 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS15ME-FSD-C00 460V 154,000 BTU/hr 28 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS15ME-TSE-C00 575V 154,000 BTU/hr 28 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS20ME-FSD-C00 460V 195,000 BTU/hr 35 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS20ME-TSE-C00 575V 195,000 BTU/hr 35 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS22ME-FSD-C00 460V 229,000 BTU/hr 40 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS22ME-TSE-C00 575V 229,000 BTU/hr 40 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS28ME-FSD-C00 460V 275,000 BTU/hr 50 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 4MTLS28ME-TSE-C00 575V 275,000 BTU/hr 50 HP 1740 psig 1305 psig (90 bar) 1960 psig (135 bar) UL#: SA2337 Updated May
14 Copeland 4MTLS R-744 (CO 2 ) Operating Envelope 14
15 4MTLS Copeland CO 2 Specification Mechanical and Electrical 15
16 Resources & Supplemental Material ges/copeland-transcritical-co2-compressor.aspx AE Bulletin AE Product Selection Software (PSS) 16
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