Removal & Evacuation for A2L RefrigerantsUpdated 11 days ago

Introduction

This article provides the steps for removing and evacuating A2L refrigerants from your system. 

When accessing the refrigerant circuit for repairs or other procedures, follow the industry-standard practices. In addition, take precautions for flammability. 

Steps

1. Recover the refrigerant into approved recovery cylinders. 
2. Purge the circuit using an inert gas, such as oxygen-free nitrogen (OFN). 
3. Evacuate the system. 
4. Purge the circuit again using inert gas. 
5. Open the circuit by cutting or brazing.