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Quality Refcomp SP6L4000 SP6L400E 40HP Semi-Hermetic Compressor factory
Quality Refcomp SP6L4000 SP6L400E 40HP Semi-Hermetic Compressor factory
Quality Refcomp SP6L4000 SP6L400E 40HP Semi-Hermetic Compressor factory
Quality Refcomp SP6L4000 SP6L400E 40HP Semi-Hermetic Compressor factory

Refcomp SP6L4000 SP6L400E 40HP Semi-Hermetic Compressor

Place of Origin: China
Brand Name: Refcomp
Certification: CE
Model Number: SP6L4000,SP6L400E
Minimum Order Quantity: 1
Price: Discussed
Packaging Details: WOODEN CASE
Delivery Time: 1 Month
Payment Terms: Western Union,T/T
Supply Ability: 100000Pcs/Year
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Specifications
Highlight Features

40HP semi-hermetic compressor

,

Refcomp SP6L4000 compressor

,

SP6L400E semi-hermetic compressor

Displacement 50/60Hz:
154.4/185.3 M3/hr
Application:
HVAC, Condensing Unit, Cold Room, Rack System
Oil Charge:
4.2L
Refrigerant:
R22, R407C, R134a, R404A, R507
Rated Power:
40HP/29.9KW
Product Description
Refcomp SP6L4000 SP6L400E 40HP Semi-Hermetic Compressor
Product Features
  • Three-Stage Energy Adaptation
    Equipped with 100%, 66%, and 33% step capacity control, this semi-hermetic compressor dynamically adjusts cooling output to match fluctuating low-temperature demands while maximizing seasonal efficiency.
  • 6-Cylinder High-Displacement Flow
    Engineered with direct gas suction channels and six cylinders to deliver up to 185.3 m³/h displacement, minimizing internal pressure drop and turbulence during compression.
  • Heavy-Duty Drive & Thermal Protection
    Constructed with a 28 bar pressure-rated housing, dynamically balanced crankshaft, wear-resistant sleeve bearings, and an INT69B2 thermal module for long-term operational safety.
  • Standard Service & Connection Package
    Features 360° rotatable suction (54 mm) and exhaust (42 mm) shut-off valves, an internal suction gas filter, and a factory 230V / 150W crankcase heater on this semi-hermetic compressor.
Product Image
Refcomp SP series Semi-Hermetic Compressor
Technical Specifications
Model SP6L4000, SP6L400E
Rated Power 40HP/29.9KW
Exhaust Volume (50Hz/60Hz) 154.4/185.3 m³/hr
Refrigerant Type R22, R407C, R134a, R404A, R507
Weight 247KG
Oil Charge 4.2L
Voltage 400V/3/50Hz, 460V/3/60Hz PW
Starting Current PW/DOL 201/330A
Max Operating Current 75A
Refcomp SP6L4000 technical diagram
Frequently Asked Questions
Q1: What suction line slope and trap recommendations prevent oil logging when running this semi hermetic compressor at 33% partial load?
A1: Horizontal suction lines should slope toward the compressor at a minimum gradient of 1%, and vertical risers must be sized to maintain at least 5 m/s gas velocity during 33% step operation to ensure oil returns to the 4.2 dm³ sump.
Q2: What causes high discharge gas temperatures during low-temperature operation, and how can it be mitigated?
A2: Elevated discharge temperatures occur from excessive suction superheat or extreme compression ratios; installing an optional head cooling fan or liquid injection kit keeps operating temperatures within safe limits.
Q3: How should electrical protection relays be set for Part-Winding (PW) startup on a 40 Hp motor?
A3: Set the Part-Winding delay relay between 0.5 and 1.0 second, sizing thermal overload breakers to protect the 75 A maximum operating current while accommodating the initial 201 A starting inrush.
Q4: What routine maintenance protocol applies to the internal suction filter and oil sight glass during annual shutdowns?
A4: Isolate the compressor, recover remaining refrigerant, remove the suction valve flange to clean the high-density screen of debris, and check sight glass seals before recommissioning.
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