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How an AC Manufacturer Improved Refrigerant Recovery During Rework with the ChunMu CM-V400 Refrigerant Recovery Machine

How an AC Manufacturer Improved Refrigerant Recovery During Rework with the ChunMu CM-V400 Refrigerant Recovery Machine

2026-06-15

In air conditioner manufacturing, rework is an unavoidable part of the production process. Products that fail quality inspections or require component replacement often need to undergo refrigerant recovery before repairs can be carried out.

For manufacturers producing R410A and R32 air conditioning systems, recovering refrigerant safely and completely has become increasingly important. Directly venting refrigerants not only results in material waste but also creates environmental risks and compliance concerns. At the same time, refrigerants such as R32 require higher safety standards during handling due to their flammability characteristics.

To improve refrigerant management and support sustainable manufacturing practices, one air conditioner manufacturer introduced the ChunMu CM-V400 Oil-free Explosion Proof Refrigerant Recovery Machine for its production line rework operations.

Application Scenario – Recovering Refrigerants from Returned Units

The customer's application focused on recovering refrigerants from air conditioners requiring repair or rework on the production line. The recovered refrigerants, primarily R410A and R32, needed to be transferred completely into recovery cylinders for subsequent purification, reuse, or proper disposal.

The company wanted to establish a safer and more standardized recovery process that could minimize refrigerant loss, improve workshop efficiency, and reduce environmental impact.

ChunMu CM-V400 Solution for Production Line Rework

To meet these requirements, the customer selected the ChunMu CM-V400 Oil-free Explosion Proof Refrigerant Recovery Machine.

Oil-Free Recovery for Cleaner Refrigerants

The CM-V400 adopts a dedicated oil-free compressor design, eliminating the risk of oil contamination during refrigerant recovery. This allows multiple refrigerants to be recovered without affecting refrigerant cleanliness, making the recovered refrigerant more suitable for subsequent recycling and reuse.

More Thorough Refrigerant Recovery

The machine is capable of recovering refrigerants down to -0.04 MPa, automatically shutting down once the target vacuum level is reached. This helps ensure that refrigerants remaining inside the air conditioning systems are extracted as completely as possible, reducing refrigerant waste and improving resource utilization.

Enhanced Safety for Flammable Refrigerants

When handling refrigerants such as R32, safety is a key concern. The CM-V400 is equipped with ZJEx and ATEX third-party explosion-proof certifications, providing reliable protection for production environments where explosion-proof requirements must be strictly observed.

In addition, the equipment can remove oil and moisture during the recovery process, helping maintain refrigerant quality and supporting cleaner refrigerant management practices.

Customer Results and Feedback

After implementing the ChunMu CM-V400 Oil-free Explosion Proof Refrigerant Recovery Machine, the customer established a more efficient refrigerant recovery process for production line rework operations.

Refrigerants from defective or returned units could now be recovered directly into cylinders instead of being wasted, reducing refrigerant consumption and supporting environmental compliance objectives. The oil-free recovery process also improved refrigerant cleanliness, while the explosion-proof design increased confidence when handling R32 systems.

According to the customer, the CM-V400 delivered stable performance, reliable safety protection, and thorough refrigerant recovery during daily production activities. The company was particularly satisfied with the machine's ease of operation and its ability to support both environmental responsibility and cost reduction.

For air conditioner manufacturers, efficient refrigerant recovery during rework is no longer just an environmental consideration—it is an important part of improving production efficiency and maximizing resource utilization. The ChunMu CM-V400 provides a practical solution for achieving both goals.

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