Gasket. How-to; Compressor FAQ; … This manual covers all DWM Copeland™ semi-hermetic compressors. Copeland Scroll™ Compressors for Medium Temperature Refrigeration are designed to provide seasonal efficiencies 15% higher than traditional semi-hermetic compressors. Copeland Discuss Compressors Suppliers in Dubai, UAE Semi-Hermetic, Compressors, Refrigeration, including Carrier Semi-Hermetic Compressor Remanufactured by A-1 Compressor, Copeland Semi-Hermetic.. semi-hermetic technology Emerson’s Copeland™ brand semi-hermetic compressors were the first to successfully operate with an electric motor inside the compressor casting in 1941. Service; Don’t be a Compressor Serial Killer: Know Causes to Prevent Repeat Failures. These compressors are used for commercial and light industrial refrigeration and HVAC applications. copeland compressor nomenclature, • All compressors may be operated at ±10% of nameplate voltage. h��V�n�F��}LP��ޗ@`@V|C�8�����Ʀe!�dPt�}ϙ�$���( Models E & F; Model M; Model R; Screw Compressor; York Compressors. Model Series Variation Letter “Q” assigned to indi- Cylinder … ZR COPELAND SCROLL STORYIn 1987 Copeland responded to the needs of manufacturers and consumers with the introduction of the ZR1 Copeland Scroll compressor. We make the compressor according your usage We have strong researching and developing team to meet your requirement. Copeland compressor spare parts to ensure the better cooling and functioning of refrigerators! After completing the course, you will be able to: - Describe the Emerson ZB Scroll compressor product family. 640 0 obj <>stream Displacement : 71.4 m3/h. h�bbd``b`.��@�6 �� Data sheets in pdf of Danfoss light commercial compressors are available below Please note that Online DataSheet Generator (ODSG) is discontinued since January 1, 2020. endstream endobj 614 0 obj <>/OCGs[629 0 R]>>/Outlines 170 0 R/Pages 608 0 R/StructTreeRoot 192 0 R/Type/Catalog>> endobj 615 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/Type/Page>> endobj 616 0 obj <>stream 4MH-25X 25 HP. HVAC Compressors. When a field technician replaces a compressor, he must determine the root cause of the compressor failure, or the replacement compressor will be doomed to breakdown. "�j ��D���xx2�4/��������u���K����48�� ‡�DM=���������b``$�����@� `� % REPLACEMENT. Replacements based on +/- 10% actual capacity Cross Reference Guide | 5 LG Scroll Compressor Cross Reference Model Cap (BTU) Model Cap (BTU) Volts RLA, croll compressors for air-conditioning ZR 90 K3* .ZR 380 KC* Application Guidelines AIR-CONDITIONING SCROLL COMPRESSORS, ZR 90 K3* .ZR 380 KC* Air-Conditioning Scroll compressors, ZR 90 K3* .ZR 380 KC* .1 1 Introduction .2 2 Safety Instructions 2 3 Nomenclature .2 4 Qualified Refrigerants .3 5 Compressor …. This database includes both air conditioning and refrigeration products used in a variety of HVACR applications. Choose the new range of Copeland compressor parts online in your budget.We can supply you , a wide range of Copeland compressor replacement parts.Get in touch! 3. Displacement : 99.4 m3/h . We have over 30 years of professional experience as a manufacturer of semi-hermetic compressor , scroll compressor , screw compressor ,condensing unit . Semi-Hermetic Reciprocating Compressors - K and L Reciprocating Compressor Range - Discus™ Reciprocating Compressor Range - Discus Digital (3Cylinder) Reciprocating Compressor - Copeland™ Stream with CoreSense Diagnostics, Semi-Hermetic Reciprocating Compressors - Copeland Stream Digital with CoreSenseDiagnostics for Continuous Capacity Modulation - Copeland Stream Compressors … Copeland KATA-015E-TAC-800 Copelametic Refrigeration Compressor. COPELAND SEMI-HERMETIC REFRIGERATION COMPRESSOR ERFA-031E-TAD-800 *kjs* $419.97. 6707718 Copeland 2SA 2SC 2SK Terminal Plate Gasket. Copeland Semi Hermetic … Copeland Stream 4MF-13X air compressor pdf manual download. LEARN MORE. Number –100 is standard compressor used in Copeland™ condensing units. Capacity Compressor nominal 60 Hertz capacity at ARI rating condition to two signifi cant digits. Open Drive and Tranport; Semi-Hermetic ; Spare Parts; Screw Compressors; Trane Compressors. Ending Saturday at 7:20PM … Semi-Hermetic Compressors, Trane Semi-hermetic compressors, Carrier semi-hermetic compressors, Copeland semi-hermetic compressors, refrigeration compressors, danfoss compressors, compound cooling compre Semi Hermetic Compressors The new BITZER ECOLINE series offers highly efficient all-purpose compressors which meet the challenging demands of modern refrigeration systems The ECOLINE series has now been extended to all models and the optimisation package has been developed further for universal use with different refrigerants – at the same time extending the operating ranges. D2DC* - 50X / 500 SEMI HERMETIC VIEW. 208/230-3-60 50 hertz is 200/220-3-50 460-3-60 50 hertz is 380/400-3-50 575-3-60 S - Internal Sensor, Solid State50 hertz is 500-3-50 Motor protection: endstream endobj startxref 0 bids. E Condensing Units Emerson offers the broadest, most … $�N N��2�X7@��� Reliable semi-hermetic compressors have been Authorized distributor and remanufacturer for Copeland compressors, hermetic compressors, semi-hermetic compressors, scroll compressors and condensers. American Compressor Engineering, Industry, Knoxville, TN. The Copeland Model # is ZR38K5E-PFV-800. 518-0002-01 Copeland Crankcase Heater . 4MU-25X 25 HP. Ductwork obstructions, refrigerant leaks, suction line problems, and metering device issues can all contribute to compressor failures. Copeland KAMB-007E-IAA-800 Copelametic Refrigeration Compressor. range of Copeland™ brand products addresses the diverse needs of all of these markets. p0K����\L�Jl�|��*��(m�U�Q:�}��2(WZȨ|e ��1x,*�+ջw��k杜\���S}ۼ9��V����]S���/�z҈_(mo�_�͏�}��N�8e�6u�h�׋�ӛ���[�g��e�� ���|[���x��~,�����?�����N��o���o�⺾�u���f}�Y]׳eS������fW�����vu�_ƃ��]6�������|�h�c�i��ֳb. COPELAND COMPRESSOR PARTS. COPELAND SCROLL COMPRESSORS. Environ 4% sont des pièces des systèmes de réfrigération et d'échange thermique, 1% des équipement industriel général et 1% despièces de compresseur d’air. 628 0 obj <>/Filter/FlateDecode/ID[<8E6511E7216AC88E46C870835C1EA5A3>]/Index[613 28]/Info 612 0 R/Length 81/Prev 658472/Root 614 0 R/Size 641/Type/XRef/W[1 2 1]>>stream 3 3/8" Diameter; 3 9/10" Diameter; 4 5/16" Diameter; 5 5/8" Diameter; 5" Diameter; 6 … • ZFD & ZBD Copeland Scroll Digital Compressor Ranges for Medium and Low Temperature Refrigeration ™• Emerson Coresense Diagnostics for Refrigeration Scrolls • ZO & ZOD Copeland Scroll Compressor Ranges for R744-Subcritical Refrigeration • Sound Shell for Copeland Scroll Compressors Semi-Hermetic Reciprocating Compressors Compressor Family Series Letter “C” established for this family of compressors. Copeland semi-hermetic compressor for a walk-in freezer with a leak from the electrical terminals. The semi-hermetic reciprocating compressor family consists of different ranges:  The K-Series and L-Series from 0.5 hp to 4 hp are available as air-cooled or water-cooled versions and use reed valve technology. Copeland 4MTL-05 air compressor pdf manual download. Data sheets: All data for Danfoss compressor or Optyma condensing unit ranges are available in Coolselector®2. This is a 3 Ton 208/220 Volts 1-Phase Direct Factory Replacement Copeland Scroll Compressor. About Semi-Hermetic Commercial and Industrial Compressors. Copeland Discus™ and Semi-Hermetic Compressors Combining world class efficiency and reliability, Copeland Discus™ is the compressor of choice to meet your refrigeration needs . DWM Semi-Hermetic Compressor; Contact us; Copeland Semi Hermetic D6SJ-4000 Home / Semi Hermetic / D6SJ-4000. Copelametic, the reliable semi-hermetic compressor line for the commercial refrigeration and air conditioning market, is a trademark that signifies the uniqe position of Emerson Climate Technologies, Inc. as the world leader in accessible hermetic compressors. 3783 copeland pièces semi compresseur hermétique sont disponibles sur Alibaba.com. Semi-Hermetic Compressors. 3 PH R502, 12140 BTU Semi-Hermetic Compressor (230v) KAKA-020E-TAC-800 3 PH R502, 12140 BTU Semi-Hermetic Compressor (230v) SKU : KAKA-020E-TAC-800 Brand : Copeland If the compressor is equipped with an oil drain plug, all a technician must do is reduce the pressure in the crankcase by running the compressor and front seating its suction service valve. These motor protection devices have been supplied by Texas Instruments-Modules (40AAXXXX/ 41AA1600E), and sensors (3BA, 10BA). Categories. Number –800 indicates a standard replace-ment compressor and Component Parts B/M • All three phase models listed as 60 hertz are also rated 50 hertz as follows: except model 9TH*-1015-THD/TLD and 9TK*-0505-TFD. 613 0 obj <> endobj %%EOF City Compressor offers an extensive line of semi-hermetic remanufactured compressors. Bitzer; Carlyle Replacements; Carlyle Service Compressors; Copeland; Dunham Bush, Hartford; Genuine Carlyle; Trane Replacements; Accessories. For availability in your area Enter your zip/postal code Search. Dwm Copeland De Série 30hp Dwm Copeland Compresseur Semi Hermétique , Find Complete Details about Dwm Copeland De Série 30hp Dwm Copeland Compresseur Semi Hermétique,30hp Dwm Copeland Compresseur Semi Hermétique,Dwm Copeland Compresseur Semi-hermétique,Dwm Copeland Compresseur Semi-hermétique from Refrigeration & Heat Exchange Parts Supplier or Manufacturer … Semi-Hermetic Compressor Features - Conventional Copelametc Compressors. Ending Wednesday at 4:47AM PST 2d 14h. Copeland Scroll™ Compressors for Medium Temperature Refrigeration are designed to provide seasonal efficiencies 15% higher than traditional semi-hermetic compressors. The easiest is through an oil drain plug.  The S-Series includes models 2S, 3S, 4S, 6S and 8S. Overcharging can cause the refrigerant to flood back into the compressor, which washes the oil out of the unit. Heater ... Copeland Discus 3D Compressors. Categories. KAMB-007E-IAA-800 New Copeland refrigeration semi hermetic compressor 115 volt single phase. (refer to Product Quality) Customer service and client relationships are just as important as product quality. Copeland. or Best Offer. re-manufacturing company established in 1992 with the belief that you can re-manufacture a compressor of extreme quality by adding all new parts to the machine. F Extra Low Temp. With scrolls and semi-hermetic compressors available for all main refrigerants, equipped with smart electronics and capable of modulation, Emerson Climate Technologies has taken compressor technology to new heights. Hermetic Compressors Copeland™ hermetic compressors from Emerson provide cost-effective refrigeration system solutions. Carrier-Carlyle Copeland Trane York. Copeland has phased in a new source for motor protection modules and sensors that are used on all sensor-protected motors on hermetic and semi-hermetic reciprocating compressors. 208/230-3-60 50 hertz is 200/220-3-50 460-3-60 50 hertz is 380/400-3-50 575-3-60 S - Internal Sensor, Solid State50 hertz is 500-3-50 Motor protection: Copeland Semi-Hermetic Compressor, Dwm Copeland Compressor, Air Conditioning Parts manufacturer / supplier in China, offering Copeland Semi-Hermetic Compressor with 8 Cylinder D8DJ-6000-Awm/D, Carlyle Screw Compressor 06nw2209s7nc-A00 for Cold Room, 50HP Bitzer Screw Compressor Csh7553-50y-40p and so on. 1. or Best Offer. This manual covers all Copeland semi-hermetic compressors. Number –100 is standard compressor used in Copeland™ condensing units. Displacement : 120.5 m3/h. h�b```f``�������� Ā B@1V �X���d����Y�!0�ц�o+���2�"F��L��!�ȍ�����D�X�\�eT��y�歺��ɳ~�?�p��~�q�l�����V]u�/[R������L��������X+::���,��! 0 With its unique valve design, grueling life testing and 25 years of field experience, Discus compressors deliver best in class performance. The names and part numbers referenced herein are trade marks for Copeland company. Wide selection Range. Une large gamme d'options de copeland pièces semi compresseur hermétique s'offre à vous comme des nouveau. Shut down the compressor… 4MH-25X 25 HP. Semi- Hermetic Air-cooled Condensing Units For many years, users of DWM Copeland semi- hermetic condensing units have relied on Copeland to provide high performance and value to the market. 1996: Copeland completes 75 years. Semi-Hermetic CompressorFeatures - Conventional Copelametc CompressorsWide selection Range1/4 HP thru 3 HP Air-cooled1/4 HP thru 3 HP Water-Cooled2 HP thru 40 HP Refrigerant-CooledProven Copeland DependabilityExtensive Selection of Models for Commercial R Was: $559.96. If you need industrial solution... We are available for you. Hermetic Compressors – A 2014DS-78 R2 (2/16) Emerson Climate Technologies3 A F E 10 C 3 E - I A A - 201 Compressor Family Series Either a number or a or Best Offer. 2. Number –201 and larger will be assigned for all other variations of a given model. View and Download Emerson Copeland 4MTL-05 application manuallines online. Today, worldwide installations total nearly ten million systems. Copeland Copelametic Semi Hermetic new and remanufactured refrigeration and air conditioning compressors. Stream Series; K Series; E Series; L Series; H Series; N Series; 3 Series; Discus; Featured Product. 3DA3-0600-TFC (Low Temp) Volts/Phase : 208/230-3, CFH : 1375 . 2. 4. Number –200 indicates a STANDARD com-pressor parts B/M and model no. This course provides an overview of Copeland ZB Scroll compressors. It is rated at 38,000 BTU.In some instances, small piping changes may be required. re-manufacturing company established in 1992 with the belief that you can re-manufacture a compressor of extreme quality by adding all new parts to the machine. DWM Copeland™ semi-hermetic compressors are manufactured according to the latest European and US safety standards. Number –201 and larger will be assigned for all other variations of a given model. Semi-Hermetic. Copeland is committed to continuous technical development while maintaining the traditional values of DWM Copeland for refrigeration. We include a 18 month* warranty and free shipping within Florida. The semi-hermetic compressor has been around since the 1940s but has seen some extraordinary improvements over the last few decades. Emerson Copeland Scroll Compressor (ZR, ZP, ZPD, ZRD, ZW, ZF, ZFD, ZB, ZBD, VR, VS, ZRH, ZXI, ZFI) Copeland compressors are most reliable product to the HVACR industry with constantly improving to meet the environment and energy standard. There’s a reason Copeland is specified by more HVACR professionals than any other compressor brand. Stream Series; K Series; E Series; L Series; H Series; N Series; 3 Series; Discus; Featured Product. ��8A�!z?����Y��, �K ���{}�`�109��0@G0��H3+ �H�#�@�Q��2���y6D�:@� ��sr Displacement : 120.5 m3/h. Copeland Discus Compressors Set the Industry Standard Copeland Discus™ compressors are the leader in the commercial refrigeration industry, combining world-class efficiency and reliability. Copeland For more than 80 years, we have been introducing innovative technology to the market, from the first semi-hermetic and hermetic compressors in the 1940s and 1950s, the high efficiency DiscusTM semi-hermetic, air conditioning and heating scroll compressors in the 1980s and 1990s, to the new Stream semi-hermetic and the digital scroll compressor technology of today. Copeland Semi Hermetic D6SJ-4000. Screw Compressors; Semi-Hermetic; A-1 Warranty Advantage; Resource Center. All Categories > Compressor Catalog > Copeland Semi-Hermetic Compressors > Copeland Models ER,NR,MR,4R, 6R,8R,9R Reciprocating Compressors > View Items All Categories All Categories Compressor Catalog Compressor Catalog That leads us to the concept of the semi-hermetic commercial compressor. These compressors are intended for installation in systems according to the EC Machines directive. ... SEMI HERMETIC VIEW. $133.80 shipping. copeland compressor nomenclature, • All compressors may be operated at ±10% of nameplate voltage. We have over 30 years of professional experience as a manufacturer of semi-hermetic compressor , scroll compressor , screw compressor ,condensing unit . Building upon that success, Emerson has revolutionized the industry with its Copeland Scroll technology launched in 1987. Copeland Mobile Copeland™ Mobile App (July 31, 2014) The Copeland Mobile smartphone app provides on-the-go access to Emerson Climate Technologies Online Product Information (OPI) database for Copeland compressor specifi cations. 1. 1981: Discus semi-hermetic is launched. emi-Hermetic Compressor Catalogue For more free Copeland literature please visit www.HVACRinfo.com Index General Information Emerson Climate Technologies’ Best Practices Guide L Series Model Nomenclature Performance Data R22 R404A R134a R22 R404A R134a 50Hz 50Hz 50Hz 60Hz 60Hz 60Hz Dimensions Electrical Wiring Diagrams Electrical Data 3S Series Model Nomenclature … Copeland CR42K6E-PFV-875, Reciprocating Compressor, 39,500 Btuh, 208/230V, R22, 1 Phase. 4. Advanced Hermetics specializes in remanufacturing Copeland Compressors. 1970: Copelametic line is extended to 40HP, CR compressor introduced. Copeland, Compressor, discus, refrigerant cooled, 2D series, 6 HP, POE, R404A, R22, R134a, 208-230/3/60CopelandSemi-Hermetic Copeland - Semi-Hermetic - Compressors It appears that your browser has JavaScript disabled. Extended warranty available. Air Cooled; Disc Type; Refrigerant Cooled; Spare Parts; Carrier/Carlyle Compressors. 1/4 HP thru 3 HP Air-cooled; 1/4 HP thru 3 HP Water-Cooled; 2 HP thru 40 HP Refrigerant-Cooled; Proven Copeland Dependability; Extensive Selection of Models for Commercial Refrigeration, Air Conditioning and Heat Pump; Rugged, Compact Construction for Heavy-Duty Usage The most popular selling Copeland brand semi-hermetic compressor is … 2. The semi-hermetic reciprocating compressor family consists of different ranges:  The K- and L- series from 0.5 hp to 4 hp are available as air-cooled or water-cooled versions and use reed valve technology. From the food we enjoy every day to the comforts of home at night, Copeland compressors live at the heart of the HVAC and refrigeration systems that homeowners, businesses and industries have depended on for almost a 100 years now. Emerson Climate Technologies, With Our Partners, Will Provide Global Solutions To Improve Human … SEMI-HERMETIC MULTIPLE COMPRESSORS UNIT WITH LEADING INVERTER COMPRESSOR ORIGINAL MANUFACTURED EQUIPMENT Watch BITZER video // 2 iPac racks nomenclature is reported here below, with clear similarities to MultiPac designation: Identification for iPac unit Index for the frame configuration Code for the number of compressor installed on the rack Identifier for application (K for … There are several methods for removing oil from a semi-hermetic reciprocating compressor. Displacement : 71.4 m3/h. Nomenclature • Semi-Hermetic Condensing Units X X X X - X X X X - X X X - X X X Refrigerant R404A/507 J/4 R134a T/2 R12 B/7 R22 3/M/L/C Multiple F R22/407C G R22 9 R134a/404A/22 N R134a/404A P R404A/22 8 Temperature Application Description Code High Temperature H Medium Temperature M Low Temperature L Extended Medium Temp. City Compressor has a vast line of semi-hermetic compressors which include the following: Trane. Displacement : 99.4 m3/h . 6MI-40X 35 HP. $440.00. 4MU-25X 25 HP. Thanks for looking and good luck. 1987: Introduction of the Compliant Scroll. The number one cause of compressor failure is lack of oil. Number –800 indicates a standard replace-ment compressor and Component Parts B/M • All three phase models listed as 60 hertz are also rated 50 hertz as follows: except model 9TH*-1015-THD/TLD and 9TK*-0505-TFD. After completing the course, you will be able to: - … These motor protection devices have been supplied by Texas Instruments-Modules (40AAXXXX/ 41AA1600E), and sensors (3BA, 10BA). American Compressor Engineering is a complete compressor. %PDF-1.6 %���� Nomenclature Compressor family series C Hermetic Reciprocating Refrigerant R R22,R134a,R407C Capacity XX First two digits of nominal capacity Btu/h @ 60 Hz K x 1,000 multiplier Product family variations 6,7,8 CR Q CR Large Id entifier M Optimized Design Oil type #C919. 2019 Copeland Compressor 4RE2-200A-TSK-800 20Hp . Compressor Tote ; Crankcase Heater; Protection Module; Scroll Comfort Alert; Service Valves; Sight Glass Removal Tool; Motors and Accessories. LEARN MORE. We offers different ranges of semi-hermetic reciprocating compressors with distinct levels of performance and technical characteristics depending on the application requirements. Small Semi-Hermetic 1/4 to 15 HP semi-hermetic reciprocating compressors provide premium alternatives for systems requiring full temperature range performance including low temperature evaporating conditions to -40°F. American Compressor Engineering, Industry Not Listed, Knoxville, TN. 1995: Introduction of Glacier refrigeration scroll compressors. 3. KAMB-007E-CAV-800 New Copeland refrigeration semi hermetic compressor 230 volt single phase. NOMENCLATURE • CRKQ, CIKQ MODELS X X X X X X E Indicates compressors with polyol ester oil. Number –200 indicates a STANDARD com-pressor parts B/M and model no. REPLACEMENT. (refer to Product Quality) Customer service and client relationships are just as important as product quality. 2004: Copeland becomes Emerson Climate Technologies 2005: Global sales touch US$17 Billion DWM Semi-Hermetic Compressor; Contact us; Copeland Semi Hermetic D6DH-350X Home / Semi Hermetic / D6DH-350X. NEW Copeland Semi-Hermetic Compressor KARA-010E-TAC-800. American Compressor Engineering is a complete compressor. 6MI-40X 35 HP. Copeland has phased in a new source for motor protection modules and sensors that are used on all sensor-protected motors on hermetic and semi-hermetic reciprocating compressors. 1. Part numbers, images and logo of this organization is used for cross reference and interchange purposes only. 2. Combining world class efficiency and reliability, Discus is the compressor of choice to meet your refrigeration needs. $500.00. Semi-Hermetic Compressors Copeland Discus Delivers Best in Class Performance Copeland Discus compressors have been the unquestioned leader in commercial refrigeration for over 25 years. Chine Réfrigération Semi-Hermetic COMPRESSEUR AC D3DA-50X – Trouver les prix et les détails complets sur Compresseur,Semi-Hermetic compresseur,le compresseur de réfrigération produits du Fournisseur ou du Fabricant - Shenzhen Ruifujie Technology Co., Ltd.. Dayton Refrigeration Service refrigeration and air conditioning compressors, parts and repair supplies online store. Pump the system down to 1 to 2 psig. National Compressor Exchange Inc. ® 21st century remanufacturing TM Search ... Model Nomenclature 8-8 Performance Data 9-18 ... Copeland Semi-Hermetic Compressor hp 23458 101520253032354050 S series 6S 4S 3S 2S L series 1 General Information. View and Download Emerson Copeland Stream 4MF-13X application manuallines online. LG Compressor Nomenclature & Serial Number ..... 12 - Nomenclature - Serial Number LG Service Compressor Kit ... Copeland Copeland. Copeland Compressors. Chine Dwm DWM Semi-Hermetic compresseur (série) – Trouver les prix et les détails complets sur Compresseur,le compresseur de réfrigération,compresseur produits du Fournisseur ou du Fabricant - Shenzhen Ruifujie Technology Co., Ltd.. We make the compressor according your usage; We have strong researching and developing team to meet your requirement. This course provides an overview of Copeland ZB Scroll compressors. Particular emphasis has been placed on the user’s safety. 0 bids. Stream CO2 Semi-Hermetic Compressors for Transcritical & Subcritical Applications. HVAC. We provide innovative solutions for sustainable progress. Nomenclature for Air Cooled Condensing Units H8 LL 40X EWL Z9 4DH250X AWM 1 2 3 1 2 3 1 Condenser model (see chapter 4.3.2) 2 Compressor model ("X" or "E" for ester oil) 3 Motor version The standard motor versions presently existing for our condensing units are: CAG = 220 – 230 V / 1Ph / 50 Hz only with DK compressors  The S-series is comprised of models 2S, 3S, 4S, 6S and 8S.