Model NO.: SPMSL4160Y
Type: Parallel Compressor Unit
OEM: Acceptable
Certification: CSA, RoHS, UR, ISO, UL, CE, CCC
Usage: Cold Room, IQF Freezer, Hotel, Supermarket
Refrigerant: R22, R404A, R507A, CO2, etc.
Trademark: ARKREF
Transport Package: Seaworthy Package
Origin: Jinan, China
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Food Cold Storage Condensing Parallel Compressor Unit
Company Brief



Shandong Shenzhou Refrigeration Equipment Co., Ltd was established in 1989 as a professional industrial refrigeration equipment company. We specialize in researching, manufacturing, marketing, and service. Our company has obtained ISO9001 and CE certifications. Located in Jinan City, Shandong Province, China, we are committed to providing high-quality refrigeration solutions.
We mainly produce the following products: 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.
Our products have been exported to over 100 countries worldwide, including Southeast Asia, Africa, Australia, India, the EU, and the US. We have also applied for several patented technologies. Our long-term customers trust us for our reliable quality and excellent service. We continue to build a strong brand presence and corporate identity in the global market.
This has helped us gain consistent support and cooperation from clients around the world.



Shandong Shenzhou Refrigeration Equipment Co., Ltd was established in 1989 as a professional industrial refrigeration equipment company. We specialize in researching, manufacturing, marketing, and service. Our company has obtained ISO9001 and CE certifications. Located in Jinan City, Shandong Province, China, we are committed to providing high-quality refrigeration solutions.
We mainly produce the following products: 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.
Our products have been exported to over 100 countries worldwide, including Southeast Asia, Africa, Australia, India, the EU, and the US. We have also applied for several patented technologies. Our long-term customers trust us for our reliable quality and excellent service. We continue to build a strong brand presence and corporate identity in the global market.
This has helped us gain consistent support and cooperation from clients around the world.
Features of the Compressor Racks
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 based on demand, saving up to 20% energy compared to single compressor units;
3. Safe operation with real-time monitoring and damage warning functions;
4. Compact design, multiple compressors installed together to save space and construction time;
5. Fully automated with advanced Italian Carel controllers for multi-compressor condensing units;
6. Comprehensive protection features, including multi-time warning-to-lock function and failure code display;
7. Multiple power adjustment options for efficient energy management;
8. Automatic load balancing, extending the lifespan of the entire unit;
9. Equipped with new-generation screw compressors for high efficiency, long life, low noise, and minimal vibration.
Remark:
Compressor rack controllers are standard, PLC controller is optional.


Terms:
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 based on demand, saving up to 20% energy compared to single compressor units;
3. Safe operation with real-time monitoring and damage warning functions;
4. Compact design, multiple compressors installed together to save space and construction time;
5. Fully automated with advanced Italian Carel controllers for multi-compressor condensing units;
6. Comprehensive protection features, including multi-time warning-to-lock function and failure code display;
7. Multiple power adjustment options for efficient energy management;
8. Automatic load balancing, extending the lifespan of the entire unit;
9. Equipped with new-generation screw compressors for high efficiency, long life, low noise, and minimal vibration.
Remark:
Compressor rack controllers are standard, PLC controller is optional.


Terms:
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% test 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?
Compressor racks are safer, more energy-efficient, easier to maintain, and install compared to single compressors. While they may cost slightly more upfront, they offer better long-term value and efficiency.
2. Which condenser type is better? Air-cooled or water-cooled?
If you have access to good quality and sufficient water, a water-cooled condenser is a better choice. Otherwise, an air-cooled condenser would be more suitable.
3. How do the compressors work on a compressor rack?
The compressors operate based on the cooling load of the cold room. When the load is low, only one compressor runs; when the load increases, two or three compressors run simultaneously.
4. If one compressor fails, will it affect the others?
No, since each compressor operates independently, a failure in one does not impact the others.
5. What is the warranty for the refrigeration unit?
One-year warranty. With original Bitzer or Copeland compressors, the lifespan is at least 8–10 years.
For more details, please feel free to contact me soon!
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