Water-cooled VRF air conditioning

Mitsubishi Electric’s latest series of water-cooled VRF air-conditioning systems offer COPs of 6.06 in heating and 5.71 in cooling, representing an average 20% increase in efficiency over previous models. The WY/WR2 YHM range is a modular system with units that are 40% shorter and half the volume ratio compared to the previous models.

They are available as heat-pump and heat-recovery versions in sizes from 8 to 24 hp. A triple-module heat-pump version is due to be launched early next year rate at 36 hp.

Outdoor units can be modulated down to 20% of full output. Up to 50 indoor units from the City Multi range can be connected. Piping length has been increased to 500 m for the 2-module system, with the distance between outdoor and furthest indoor unit increased to 165 m.

For more information on this story, click here: Dec 09, 182
Related links:
Related articles:



modbs tv logo

Smart Buildings Show conference programme is now LIVE

The conference programme for Smart Buildings Show 2025 is now live and there’s a lot on offer from industry leading speakers who will debate emerging trends and provide a wealth of information to guide you towards efficiency in your buildings.

Rinnai UK launches applied products division

Rinnai is launching a new division - Rinnai Applied - which will be dedicated to the design, supply and service of larger HVAC units and systems that will meet the specific heating, ventilation, air conditioning and hot water demands of commercial and industrial premises.