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Mitsubishi Heavy Industries (MHI) has developed 'R22 Renew' to cut the cost of replacing older R22 VRF air conditioning systems to comply with refrigerant legislation. With R22 Renew it's possible to retain the existing R22 pipework, and often to re-use the existing indoor units, as part of a new R410a VRF system with a new FDCR outdoor unit from MHI.
Legislation is already in place to phase out old ozonedepleting R22 refrigerant. The use of virgin R22 for servicing old systems was banned in January 2010. A complete ban on the use of reclaimed or recycled R22 comes into force from December 2014, effectively making old R22 systems unserviceable.
MHI Sales Manager Des Franklin says: “R22 compliance is not an option, it's the law. So we’re doing all we can to develop innovative solutions to keep older VRF systems working. Our new R22 Renew package for VRF systems allows you to re-use existing pipework, and indoor units, with our new KX FDCR R410a outdoor units which could save more than 50% of the cost of completely ripping out an old system to make way for an all-new R410a system.”
