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New Generation Air-Cooled Chiller: A Daikin NZ First

The Hopkirk Research Institute is an award-winning building situated on Massey University’s Turitea campus in Palmerston North. Daikin Authorised HVAC Specialist, Judd Refrigeration were approached by Massey University to provide repair or replacement options for the existing Ag Research 600kW Building Services Water Chiller.

Costs were provided for both options and eventually the replacement order was given. Despite the replacement option being more expensive, the University chose this due to the long-term benefits it provided. The EWAH-SRB2 Air Cooled Chiller features the latest technology and is the first of its kind to be installed in New Zealand for Daikin. The replacement option was made more appealing as existing water pipe work, water pump and electrical services would not require replacement.

Daikin’s EWAH-SRB2 600kW air-cooled chiller has a very low Global Warming Potential (GWP) rating and zero Ozone Depletion Potential (ODP) from using R1234ze refrigerant — it is a green solution for low environmental impact. This model features high efficiency, reduced sound and dual circuit Daikin Inverter Single Screw Compressors. It provides increased capacity control and additional reduced operational costs. It is a solution that drives long term sustainability, energy efficiency and cost saving performance.

With meticulous attention to fine-tuning each facet of operation, the chiller offers high efficiency for unmatched performance and economical operation. The 600kW air-cooled chiller provides an economical means to produce chilled water without the requirement for a cooling tower, avoiding additional system complexity and maintenance.

BacNet BMS interface was integrated in the onboard chiller control to allow for high-level control monitoring and early fault detection by the University — there was only low-level monitoring with generic fault outputs on the existing chiller. This new ability for control and management reduces long-term running costs.

The expertise of Judd Refrigeration was utilised through Daikin’s latest technology product offering, giving this award-winning building an upgraded and sustainable chiller system that will benefit the Research Institute for years to come. An energy-efficient and cost-saving performance solution was delivered as well as an improved monitoring system that fits the buildings prominence.

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January 2022 EBOSSNOW Case Studies

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New Generation Air-Cooled Chiller: A Daikin NZ First
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