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Refcomp SP4LF0600 SP4LF060E High Efficiency Semi-Hermetic Compressor

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Refcomp SP4LF0600 SP4LF060E High Efficiency Semi-Hermetic Compressor

Refcomp SP4LF0600 / SP4LF060E High-Efficiency Semi-Hermetic Compressor
Product Advantages
  • Optimized Compression Design: A custom crankshaft balance design and short gas passage reduce pressure drop and vibration, maximizing compression efficiency in low-temperature refrigeration applications.
  • Reliable Bearing Structure: Precision sliding bearings and thrust washers deliver smooth operation, high wear resistance, and an estimated service life of 50000 to 80000 hours.
  • Integrated Safety & Motor Protection: A built-in high-sensitivity internal relief valve prevents overpressure, while the INT69VS protection module safeguards the motor against electrical overload and overheating.
  • Flexible Capacity Control: Supports 100% and 50% step capacity regulation to precisely balance system output with changing refrigeration loads.
Product Image
Refcomp SP series semi-hermetic compressor unit with cast iron housing and service valves
Technical Specifications
ParameterValue
ModelSP4LF0600, SP4LF060E
Rated power6 HP / 4.5 kW
Exhaust volume 50/60 Hz35 / 42 m³/hr
Cylinders4
Weight134 kg
Oil charge2.6 L
Energy regulation100%, 50%
Standard motor400V/3/50Hz, 460V/3/60Hz PW
Starting current PW/DOL43 / 70 A
Max operating current16 A
Oil lubrication methodPressure lubrication (with oil pump)
Dimensional drawing and connection layout of the Refcomp SP4LF semi-hermetic compressor
Frequently Asked Questions
Q1: How do I select the proper semi-hermetic compressor for my refrigeration system?

Selection requires evaluating the target evaporating and condensing temperatures, required cooling capacity, refrigerant type, and available electrical supply.

Q2: What key checks should be performed before installing this semi-hermetic compressor?

Verify that system piping is completely clean and dry, confirm correct power voltage, and inspect oil levels and valve positioning prior to start-up.

Q3: What routine maintenance ensures long service life for semi-hermetic compressors?

Regularly inspect operating current, oil color and level, vibration levels, and the status of motor protection modules during scheduled maintenance checks.

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