What's new with MEHIT Climaveneta

Mitsubishi Electric and BDT are pleased to announce an extension of the NX-G06 Air Source Chiller and Heat Pump Range from MEHITS Climaveneta.

These new 4-scroll compressor heat pumps and chillers are available in comfort and process models including:

• NX-G06 4-Compressor Chiller for comfort applications
• NX-N-G06 4-Compressor Heat Pump for comfort applications
• NX-G06-Y 4-Compressor Chiller for process applications
• NX-N-G06-Y 4-Compressor Heat Pump for process applications

New larger capacity models available

In addition to the smaller NX-G06 Range which come in 50kW to 218kW capacities, the new models are available with capacities from 153kW to 338kW. Furthermore, by featuring 4-scroll compressors, these larger units have two refrigerant circuits for increased redundancy.

As a result, this product is ideal for bigger commercial and industrial applications.

Next-generation R454B refrigerant for greater energy efficiency and reduced carbon footprint

In line with the objective of the Kigali Amendment, MEHITS Climaveneta extends its low carbon offering to scroll units. R454B is the new low GWP refrigerant chosen for our fixed speed scroll units and is identified with the acronym G06.

R454B refrigerant features:

• Lowest GWP in the market for scroll units: only 466 (-76% vs R410A, -31% vs R32)
• Reduced refrigerant charge (-10% vs R410A)
• Higher efficiency (+3.5% vs R410A) with little capacity reduction
• Compatible with same materials and components as R410A
• Same operating map as R410A in cooling, better in heating
• Mildly flammable A2L, PED fluid group 1
• Composition: 69% R32 + 31% R1234yf

Derived from the existing NX Range with R410A (versions, configurations and main accessories are the same), these units have been upgraded to handle dangerous fluid (PED fluid group 1).

Some technical improvements have also been made to make the new NX-G06 Range more competitive and ready for the Energy Related Products (ErP) Directive 2021. One of the key improvements that has been made is this solution now has larger operating limits for heat pumps down to -15°C of outdoor temperature at full load.

Optional accessories are also available, including:

• EC fans
• Leak detector
• Energy meter for BMS or W3000 connection
• Smart control functions including Night Mode, user limit control, unit activation by remote temperature probe
• KIPlink and new communication protocols (Konnex, Modbus TCP/IP, SNMP, M-NET)

Click here to find our Comfort Series documents including brochures, data books and more.

For any Climaveneta product inquiries, please contact:

Jim Baxter
National Sales Manager // HVAC Chillers
Black Diamond Technologies Limited
jimb@bdt.co.nz
021 853 737

MEHIT, which was formed in 2015 from the merger of the former Climaveneta and DeLclima businesses, has selected Opteon XP10 (R513A) for its screw and centrifugal oil-free chiller platform, and Opteon XL41 (R454B) for its multi-scroll platform, produced in Europe.

This is seen as part of an environmental initiative to provide efficient, sustainable, and long-term solutions to the chiller market ahead of the next 2021 European F-Gas Cap phase down and will be implemented from this year onwards.

R513A is a non-toxic, non-flammable A1 refrigerant with a GWP of 631, composed of a blend of 44% R134a and 56% R1234yf.

R454B is a “mildly flammable” A2L refrigerant blend of 68.9% R32 and 31.1% 1234yf. It has a GWP of 466 and offers improved energy efficiency, similar capacity, and excellent design compatibility.

This shift will help the chiller and heat pump industry move towards more environmentally sustainable refrigerant solutions while meeting long-term regulatory requirements and delivering consistent performance.

MEHIT has a long track record in eco-friendly solutions and was among the very first to promote, to the most eco-conscious customers, screw and centrifugal chillers based on HFOs; namely R1234ze with near-to-zero GWP, while also combining superior efficiencies.

MEHIT used its state-of-the-art research and development centres and its cooperation with Mitsubishi Electric Group laboratories to conduct in-depth evaluations of different refrigerant and components alternatives.

Currently, MEHIT screw chillers are available in R513A and R1234ze versions, and all its screw heat pumps and simultaneous heating and cooling units in R513A. MEHIT selected R454B for multi-scroll chillers and heat pumps. It was seen as the best solution to minimise environmental impact and energy use, while also improving performance. Some units utilising Mitsubishi Electric Inverter Compressors will be made available with R32.

As a R410A replacement for the multi-scroll chiller and heat pump ranges, MEHIT decided to also lead the change to lower GWP refrigerants. Therefore, the product line for the R454B version of the multi-scroll chillers is scheduled for release in the first quarter of 2020.

No other company is offering such a wide choice to the market. We are making this big effort, recognising customers at this point in time have different needs and constraints.

For more information, contact:
Jim Baxter
National Sales Manager – HVAC Chillers
021 853 737
jimb@bdt.co.nz