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Refcomp SRC-S(W)-503 SRC-S-503-L4 Central HVAC Air Conditioning Screw Compressor

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Refcomp SRC-S(W)-503 SRC-S-503-L4 Central HVAC Air Conditioning Screw Compressor

Oil Charge : 19L

Model Number : SRC-S(W)-503,SRC-S-503-L4

Rated Power : 180HP/135KW

MOQ : 1

Delivery Time : 1 Month

Packaging Details : WOODEN CASE

Payment Terms : Western Union,T/T

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

Certification : CE

Displacement 50/60Hz : 562/674 m3/hr

Brand Name : Refcomp

Refrigerant : R22, R407C, R410a, R404A, R507A

Place of Origin : China

Price : Discussed

Supply Ability : 100000Pcs/Year

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Product Description
  • High-Efficiency Rotor Geometry: Patented rotor profile design ensures smooth engagement and continuous gas flow, delivering optimal compression efficiency for commercial HVAC installations.
  • Flexible Stepless Capacity Control: Supports 4-step capacity regulation (100%, 75%, 50%, 25%) and continuous stepless modulation to handle varying cooling loads efficiently.
  • Integrated Multi-Stage Oil Separation: Built-in internal oil separator achieves up to 99.85% separation efficiency, keeping system heat exchangers clean and maintaining high heat transfer efficiency.
  • Advanced Motor Protection Module: Features an INT69 SNY protection module integrated with 6 series PTC thermistors for continuous real-time thermal monitoring of motor coils and discharge gas.
Product Image
Refcomp SRC-S(W)-503 SRC-S-503-L4 Central HVAC Air Conditioning Screw Compressor
Technical Specification
Parameter SRC-S(W)-503 SRC-S-503-L4
Rated power 180HP / 135KW
Exhaust volume (50Hz / 60Hz) 562 / 674 m³/hr
Refrigerant Type R22, R407C, R410a, R404A, R507A
Weight 1010 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 453 / 1333A 543 / 1645A
Refcomp SRC-S(W)-503 SRC-S-503-L4 Central HVAC Air Conditioning Screw Compressor
FAQ
Q: What information should be submitted for technical selection of the SRC-S(W)-503 (SRC-S-503-L4) HVAC screw compressor?

A: Provide target cooling capacity, design evaporating and condensing temperatures, target refrigerant type, power supply standards, and whether an economizer loop or liquid injection is required.

Q: What crucial pre-start checks ensure safe initial commissioning of this unit?

A: Pre-heat the oil sumps via the 275W heater prior to start-up to clear liquid refrigerant, verify phase rotation for correct rotor spinning, and check that oil level and filter cleanliness meet startup standards.

Q: How does the built-in INT69 SNY protection system operate during high thermal loads?

A: The INT69 SNY module constantly processes temperature signals from six series-connected PTC sensors inside the motor coils and discharge port, tripping the control relay if limits are exceeded.

Q: What routine maintenance should be performed to maintain lubrication stability and compressor lifespan?

A: Monitor oil level clarity through the sight glass, inspect suction filter pressure drop, test oil quality periodically for viscosity loss, and inspect electrical connections on the terminal box.


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Refcomp SRC-S-503 Screw Compressor

      

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Refrigeration Screw Compressor

      
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