Econex OPA, low environmental impact, high seasonal efficiency packaged units.

In a world where global warming is driving ever increasing demands on air-conditioning, long-term sustainability and efficiency have become key elements of new equipment design. In response, Temperzone has designed Econex OPA, an innovative range of variable capacity R32 inverter rooftop packaged systems. These systems are designed to have exceptional seasonal energy efficiency through the implementation of leading system software and componentry.

Temperzone’s innovative Econex inverter R32 rooftop package units have been designed to assist organisations in their carbon reduction efforts. The combination of R32 refrigerant and lower refrigerant charge enables this range to achieve reductions in refrigerant related GWP (Global Warming Potential) of between 71-79% per kW of cooling or heating, when compared to current R410A models.

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Increased energy efficiency and effective load matching are key design aspects of the Econex OPA range. As standard, all unit’s feature EC plug fans and EC condenser fans, dual electronic expansion valves and inverter compressors. Temperzone’s UC8 intelligent control logic enables the synergistic control of these components for significantly improved seasonal energy efficiency when compared to fixed speed solutions, achieving total cooling seasonal performance factors as high as 6.43 (OPA 250). 

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Temperzone’s Inverter compressor control enables exceptional comfort conditions with precise load variation response and an impressive frequency range of 16 -100%. High response levels to current load conditions are further guaranteed using electronic expansion valves and variable speed control of the indoor and outdoor fans. 

OPA Econex units also feature wide heating and cooling capacity ranges, enabling the delivery of increased capacity in periods of peak load. For example, the OPA 350 will deliver a heating capacity 27% above rated, and a cooling capacity 30% above its nominal rating. 

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Econex OPA incorporates new features to ensure simple cost-effective installation and servicing, and improved product longevity.

For cost-effective installation, unit footprints have been reduced by up to 22% when compared to current R410A models. 

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These units are now easier to install with a new bank of terminal blocks dedicated to customer wiring, whether you are using a thermostat, high-level BMS or low-level BMS.

There is now convenient internal access with hinged access doors for the compressor and electrical areas as well as the supply and return air chambers. To further minimise weathering the compressor compartment has been isolated from the fan chamber and a new sloping base tray has been incorporated into the outdoor section.  

With the axial fans rated to provide at least 125Pa of static, Econex OPA can be installed in areas where exhaust air is required to be ducted away.

The first release of the Econex OPA range consists of four models with nominal cooling capacities ranging from 25kW to 56kW - the OPA 250, 350, 450 and 560. Multiple handing configurations will be available, these include standard and opposite handing in both horizontal and downward discharge options. Both economiser and fresh air will be available as standard options. These products join our wider Econex product series which currently features 14kW to 35kW Econex ducted split units.

Available in NZ from April 2022 and Australia from August 2022. Contact Temperzone today to enquire about using Econex OPA for your next project.

Learn more about Econex OPA here.

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