Screw Compressor Refrigeration Paralleled Condensing Unit



Shandong Shenzhou Refrigeration Equipment Co., Ltd. was established in 1989 as a professional industrial refrigeration equipment company specializing in research, manufacturing, marketing, and service. Shenzhou has passed the ISO9001 and CE certification. Our factory is located in Jinan City, Shandong Province, China.
We mainly produce products such as screw multi-compressor refrigeration units, piston multi-compressor refrigeration units, air-cooled condensing units, water-cooled condensing units, industrial low-temperature brine units, cryogenic cascade units, double-stage units, digital scroll compressor units, glycol chillers, CO2 refrigeration systems, vessel pump units, and marine refrigeration units.
At present, Shenzhou has applied for numerous patented products. Our products have been exported to over 100 countries worldwide, including Southeast Asia, Africa, Australia, India, EU, and the US. This has earned long-term support and cooperation from our customers, helping us build a strong brand presence and corporate identity.
Screw compressors: 20HP-320HP, 2-6 compressors in parallel
Refrigerant: R134A, R404A, R507A, R407C, R22
Introduction:
1. Cost-effective solution, reducing initial investment;
2. Energy-efficient, adjusting power supply according to demand, saving up to 20% energy compared to single-compressor systems;
3. Safe operation with real-time monitoring and protection features;
4. Compact design, multiple compressors installed together to save space and installation time;
5. Fully automated with advanced Italian Carel controllers for multi-compressor systems;
6. Comprehensive protection functions, including multi-level alarms and fault code display;
7. Multiple power adjustment options, allowing efficient energy savings;
8. Automatic load balancing, extending the lifespan of the entire unit;
9. Equipped with high-efficiency screw compressors, offering long service life, low noise, and minimal vibration.
Remark:
Compressor rack controllers are standard components; PLC controller is optional.


Q1. What are your terms of packing? |
A: Generally, we pack our goods in bulk or wooden boxes, suitable for shipping containers. |
Q2. What is your terms of payment? |
A: T/T 30% as deposit, and 70% before delivery. |
Q3. What are your terms of delivery? |
A: EXW, FOB, CFR, CIF. |
Q4. How about your delivery time? |
A: Generally, it will take 10 to 15 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order. |
Q5. Can you produce according to the samples? |
A: Yes, we can produce by your samples or technical drawings. |
Q6. Do you test all your goods before delivery? |
A: Yes, we have 100% testing before delivery. |
Application:
Refrigeration industry, cold-room projects, IQF freezers, low-temperature shipping centers, supermarket cold chains, chemical industry, aquatic products, pharmaceuticals, livestock and poultry meat, freeze-dried products, supermarkets, etc.
Package and Ship:

FAQ
1. Why is a compressor rack better than a single compressor?
2. Which condenser type is better? Air cooled or water cooled?
If you have access to clean, sufficient water, a water-cooled condenser is the better choice. Otherwise, an air-cooled condenser would be more suitable.
3. How do each compressor work on the compressor rack?
The compressors operate based on the cooling load of the cold room. When the load is low, one compressor runs; when the load increases, two or more compressors activate accordingly.
4. If one compressor fails, will it affect the others?
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One year warranty. With original new Bitzer/Copeland compressors, the expected lifetime is at least 8–10 years.
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