Catalogues

Copeland 4MSL-06, Reciprocating compressor, Semihermetic, 4 Cylinders

Use this catalogue to identify the spare parts you need to repair your compressor. The OEM catalogue is crossreferenced with our spare parts database, matched items are highlighted. Some of our existing spare parts may not be shown because our database is incomplete (e.g. missing OEM P/N), or because we sell the items separatelly (typical example is the piston-connecting rod assembly). If you have any doubt please ask us.

All OEM manufacturer's names, part numbers, diagrams, products description and information are provided for reference and identification purposes only, and it is not implied that any part listed is the product of the OEM manufacturer.

Compressor description by Ralkin

Copeland Stream CO₂ Series: 4MSL-06

The Copeland Stream CO₂ series features 4-cylinder semi-hermetic compressors engineered for R744 (CO₂) refrigerant. This series includes 4MTL* models for transcritical applications and 4MSL* models specifically designed for subcritical applications in booster systems, ranging from 3 to 15 hp. These compressors are delivered with POE oil as standard and are factory-equipped with shut-off valves suitable for welding and brazing.

Model Identification

  • 4: Number of cylinders (4)
  • M: M = Stream series
  • SL: Application = Subcritical (R744)
  • 06: Motor size = 6 hp

Technical Features

  • Application: Designed specifically for subcritical booster systems using CO₂ (R744).
  • Lubrication: Delivered with POE oil (RL 68 HB) as standard; PAG oil available upon request for larger models.
  • Design: Semi-hermetic construction with a 4-cylinder configuration.
  • Installation: Factory-equipped with shut-off valves on suction and discharge sides for easy welding and brazing.

Specifications & Data

  • Model: 4MSL-06
  • Application Type: Subcritical for CO₂ (R744)
  • Displacement: 7.4 m³/h
  • Net Weight: 124 kg
  • Footprint: 368 x 256 mm
  • Cooling Capacity (Qo): 12.80 kW (COP 3.90)
    • Condition: Evaporating -35 °C; condensing -5 °C; superheat 10 K; subcooling 0 K
  • Pressure Ratings:
    • Maximum Operating Pressure (MOP): 60 bar (High-side) / 23 bar (Low-side)
    • Standstill Pressure (PS / PSS): 135 bar (High-side) / 90 bar (Low-side)
    • Burst Pressure: 420 bar (High-side) / 330 bar (Low-side)
  • Qualified Refrigerant: R744 (CO₂)
  • Copeland Standard Oil: RL 68 HB (POE 68)
  • Qualified Servicing Oils: RL 68 HB (POE 68), RFL 68 EP (PAG 68)
  • Factory Oil Charge: 1.3 litres
  • Connections (Shut-off Valves):
    • Flange Mountings: 45 x 45 mm
    • Suction Connection: Inner Ø 5/8", Description W22 / ODS 5/8"
    • Discharge Connection: Inner Ø 1/2", Description W17.2 / ODS 1/2"
  • Other Connections:
    • Base Mountings: Ø 22 mm
    • Plug Low-Pressure Connection / Oil Drain Plug: 1/4" 18 NPTF
    • Plug High-Pressure Connection: 1/8" 27 NPTF
    • Crankcase Heater: No thread
Item num.Ralco P/NOEM P/NDescription (from OEM manufacturer)Add
113209942Bearing .
1503013485Kit Sight glass .
1523007328Gasket O'ring sight glass .
8414049OM5-CBB Traxoil electronic oil level management system Kit includes : OM5 Traxoil, CBB adapter, 24V coil ,relais cable 6m, power cable 6m 130 bar 1-1/18"-18UNEF .
8414038OM4-CBB Traxoil electronic oil level management system Kit includes : OM4 Traxoil, CBB adapter, 24V coil ,relais cable 6m, power cable 6m 60 bar 1-1/18"-18UNEF .
2313210322Gasket: terminal plate .
2323009675Gasket: terminal box .
2403267657Cover: terminal box w gasket for version -N .
2415406727Copeland Compressor Electronics - Service kit (version -N) .
3271343Transition kit from -D to -N - w Copeland Electronics + T-box + temp sensor + current sensor CO2 .
5406749Kit cable gland for crankcase heater - version -N Ø 20mm .
5406761Kit cable gland for version -N Ø 32mm .
2425406669Kit current sensor assy for version –N electrical box of the compressor .
2435406716Kit bracket for version –N .
2443267748Terminal box w Gasket for version -N .
5406705Kit Discharge Temp. Probe for version –N Sensor + cable .
5406772Kit modbus for version -N .
5406794USB Gateway kit for version -N .
5406807Bluetooth Gateway kit for version -N .
2403234177Copeland Protection for version –P 115 - 230V AC Standard delivery .
2403232728Copeland Protection for version –P 200 - 260V .
2403232740Copeland Protection for version –P 24V AC .
2403232751Copeland Protection for version –P 24V DC .
2503005162Cover: terminal box IP54 .
2513011230Kit electronic sensor module for CoreSense Diagnostic version –D electrical box of the compressor .
2523011241Kit current sensor assy for CoreSense Diagnostic version –D electrical box of the compressor .
2533009653Terminal box w Gasket .
2583188321Safety Valve & gasket - low pressure side 90 bar .
2593175467Gasket - safety valve .
2603188332Safety Valve & gasket - high pressure side 135 bar .
5303210231Crankcase heater 100W/230V, CE/UL .
5303210219Crankcase heater 100W/115V, CE/UL .
5403008490Mounting parts kit, Spring 4MTL .
3189744Mounting parts kit (rubber) for parallel application .
6153013429Kit CoreSense Diagnostic for Stream version –D Module & Harness .
3185924Kit converter RS485 to USB for CoreSense Diagnostic version –D .
6163013441Kit bracket for CoreSense Diagnostic version -D .
3009131Kit Discharge Temp. Probe for CoreSense Diagnostic version –D Sensor + cable + sealant paste .
8422588Oil - 1 Liter PAG RFL 68 EP .
8422599Oil - 5 Liter PAG RFL 68 EP .
3240416Oil - 20 liter PAG RFL 68 EP .
203010099Suction filter 4MTL .
213191354Gasket: stator cover .
403217652Motor unit: 9HP FWM/D .
403217685Motor unit: 9HP EWL .
603217721Kit crankshaft .
61KEY12002048946Crankshaft key .
3190726Washer Thrust .
63WAS1202
2951659Washer ROTOR between rotor and bolt .
703223480Piston & conrod assy .
713190180Piston ring DLC .
723190215Piston ring .
803217732Kit housing cover housing cover + gasket .
1603217776Valve plate kit w gaskets .
3217801Gasket kit for valve plate .
1613191387Gasket: below cylinder head .
1803222410Gasket: below valve plate .
2003217743Shut-off valve w gasket & bolts 5/8" Suction.
2013191376Gasket Suction.
2103290693Shut-off valve 5/8" Brazing Discharge.
2303008718Terminal plate assy 4MTL/AW*, FWM/D, FEW .
2303009777Terminal plate assy 4MTL/EW* .
5013222647Gasket kit 4MTL-09 / 4MSL-06X .
2830743Spray Black RAL 9005, 400ml .
3011489Paint RAL9005, 6 x 400ml .
8403170Oil - 1 litre POE RL68HB ZO-CO2 .
8408835Oil - 5 litre POE RL68HB ZO-CO2 .
8408846Oil - 20 litre POE RL68HB ZO-CO2 .
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