Daikin adds VRV IV to R22 replacement

Daikin Europe’s VRV-Q heat-pump replacement system for installations using R22 and the water-cooled VRV-W series for taller buildings and geothermal applications now incorporate the latest VRV IV innovations to improve energy efficiency by more than 70%.

The key features of VRV IV included variable refrigerant temperature, continuous heating during defrost and VRV Configurator for simplified commissioning and servicing.

From the end of 2014, R22 (even reclaimed) will no longer be available for maintaining and servicing systems, so the pressure is on to replace them.

The VRV IV-Q series potentially allows controllers and indoor units installed since 1996 to be retained — with only outdoor units and heat-recovery branch-electro boxes having to be replaced. R22 pipework can generally be retained. Cost savings of up to 50% can be achieved compared to replacing an entire system.

For more information on this story, click here: April 2014, 162
Related links:
Related articles:



modbs tv logo

Heat pump market represents a colossal opportunity, says BESA

BESA’s head of technical Graeme Fox said the heat pump market represented “an absolutely colossal opportunity” for suitably qualified engineers but warned that the industry would have “to rapidly scale up capacity and needed considerable investment in additional skills to deliver all these hugely ambitious targets”.

Mitsubishi Electric launches modular R32 e-series chiller

Mitsubishi Electric has launched an R32 version of its popular e-series chillers, available in 150kW and 180kW units. 

Calendar