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Advanced Rotor Profile: Asymmetrical 5/6 rotor geometry optimizes compression efficiency and gas flow to ensure smooth, low-noise operation for this screw refrigeration compressor.
Robust Bearing Architecture: Precision angular contact and radial bearing pairs absorb mechanical loads efficiently, ensuring high wear resistance and an extended design lifespan.
Comprehensive Motor Protection: Equipped with an INT69 SNY protection module and 6 PTC thermistors in the windings to monitor thermal status and prevent phase failure.
Optimized Stop Valve Design: Built-in discharge check valve features low flow resistance to effectively prevent refrigerant backflow upon shutdown with convenient 360-degree rotation.
Product Image
Technical Parameters
Model
SW3H-4000
Standard Motor Power
40HP / 30KW
Displacement (50/60Hz)
118 / 142 m³/h
Weight
245 KG
Capacity Regulation
100%, 75%, 50%, 25% (stepless 100%–25%)
Electrical Heater
275W-230V-50/60Hz
Standard Motor
Y/Δ-400/3/50Hz-460/3/60Hz
LRA Y/Δ
131 / 398
FAQ
Q: What application parameters are vital when selecting this screw refrigeration compressor for low-temperature systems?
A: Key parameters include required cooling capacity, evaporating and condensing temperatures, refrigerant type, and site power supply specifications.
Q: What installation precautions should be followed regarding the piping connections?
A: Align system lines accurately with the 42 mm discharge and 54 mm suction ports, install proper vibration dampening supports, and ensure correct stop valve positioning.
Q: What pre-commissioning checks must be carried out before initial startup?
A: Verify secure control wiring to the INT69 SNY protection module, confirm proper oil line connections via the 16 mm connector, and allow adequate pre-heating time.
Q: How should maintenance technicians monitor operational performance during service cycles?
A: Regularly check operating currents against the 75 A maximum limit, inspect oil cleanliness, and verify system temperatures to maintain high efficiency in this screw refrigeration compressor.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company
Year Established:
2001
Total Annual:
50000000-10000000
Employee Number:
80~100
Ecer Certification:
Verified Supplier
Shenzhen Coolstart Refrigeration Equipment Co., Ltd. is a modern, professional refrigeration manufacturer with over 20 years of industry experience. We focus on the professional production and global sales of high-performance refrigeration equipment, serving as a reliable and cost-effective suppl...
Shenzhen Coolstart Refrigeration Equipment Co., Ltd. is a modern, professional refrigeration manufacturer with over 20 years of industry experience. We focus on the professional production and global sales of high-performance refrigeration equipment, serving as a reliable and cost-effective suppl...