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Refcomp SRC-S(W)-553 SRC-S-553-L4 Refrigeration Screw Compressor for HVAC Cold Room

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Refcomp SRC-S(W)-553 SRC-S-553-L4 Refrigeration Screw Compressor for HVAC Cold Room

Oil Charge : 19L

Model Number : SRC-S(W)-553,SRC-S-553-L4

Refrigerant : R22, R407C, R410a, R404A, R507A

MOQ : 1

Delivery Time : 1 Month

Packaging Details : WOODEN CASE

Payment Terms : Western Union,T/T

Application : HVAC, Condensing Unit, Cold Room, Rack System

Place of Origin : China

Rated Power : 200HP/150KW

Certification : CE

Displacement 50/60Hz : 600/720 m3/hr

Brand Name : Refcomp

Price : Discussed

Supply Ability : 100000Pcs/Year

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Product Overview
  • High-Efficiency Rotor Geometry: Patented asymmetric rotor profile ensures smooth meshing and continuous gas displacement, delivering robust compression performance for heavy-duty screw compressor HVAC applications.
  • Flexible Stepless Capacity Regulation: Provides 4-step capacity control (100%, 75%, 50%, 25%) and continuous stepless modulation to match high-capacity chiller loads precisely in a screw compressor HVAC system.
  • Integrated Multi-Stage Oil Separation: Built-in internal oil separator achieves up to 99.85% separation efficiency, minimizing oil carryover and maintaining optimal heat exchange performance in large screw compressor HVAC units.
  • Advanced Motor Thermal Protection: Equipped with an INT69 SNY protection module and six embedded PTC thermistors for real-time monitoring of motor coils and discharge gas temperatures.
Product Image
Refcomp SRC-S(W)-553 SRC-S-553-L4 Refrigeration Screw Compressor for HVAC Cold Room
Technical Specification
Model SRC-S(W)-553 SRC-S-553-L4
Rated power 200HP / 150KW
Exhaust volume (50Hz / 60Hz) 600 / 720 m³/hr
Refrigerant Type R22, R407C, R410a, R404A, R507A
Weight 1030 KG
Oil Charge 19 L
Voltage 400/3/50Hz – 460/3/60Hz
Cooling Capacity Regulation 100%, 75%, 50%, 25% (stepless 100%–25%)
LRA Y/Δ 543 / 1645A 595 / 1802A
Refcomp SRC-S(W)-553 SRC-S-553-L4 Refrigeration Screw Compressor for HVAC Cold Room
Frequently Asked Questions
Q: What design guidelines should be followed when sizing suction and discharge headers for the SRC-S(W)-553 (SRC-S-553-L4) compressor?

A: Piping must match the 105.5 mm (4-1/8") suction line and 80.0 mm (3-1/8") discharge connection to prevent pressure drops and ensure smooth refrigerant flow.

Q: How does the slide valve control mechanism operate during variable chiller load demands?

A: The hydraulic slide valve shifts via solenoid valves to provide stepped control at 100%, 75%, 50%, and 25%, or continuous stepless modulation across the 100% to 25% range.

Q: What pre-start electrical checks are necessary before energizing the 220 HP motor?

A: Verify that the 275W crankcase heater has been energized to evaporate liquid refrigerant, check phase rotation sequence, and confirm proper wiring of the INT69 SNY protection module.

Q: What routine maintenance practices ensure reliable long-term oil management in this high-capacity unit?

A: Regularly monitor oil level visibility through the sight glass, inspect suction strainer cleanliness, and periodically test lubricant viscosity and acidity.


Product Tags:

Refcomp SRC-S-553 screw compressor

      

HVAC refrigeration screw compressor

      

cold room screw compressor

      
Quality Refcomp SRC-S(W)-553 SRC-S-553-L4 Refrigeration Screw Compressor for HVAC Cold Room for sale

Refcomp SRC-S(W)-553 SRC-S-553-L4 Refrigeration Screw Compressor for HVAC Cold Room Images

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