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BDN offers high level monitoring

IRELAND: The first installation of Bitzer’s Digital Network (BDN) in Ireland is providing high-level monitoring, system diagnostics and optimisation for an award-winning deli food specialist.

The BDN system is integrated into a new high performance low temperature pack, based on Bitzer Ecoline inverter-controlled compressors running on R449A and supplied by RSL Ireland Ltd.

The new refrigeration system replaced two 30-year-old Bitzer condensing units and Searle evaporators operating on R404A, that had come to the end of their working life.

The new pack was equipped with discharge ball valves, tee-pieces and pipe connections in the factory, enabling it to be connected directly to the site’s existing heat reclaim system, based on three Eureka EX units that produce hot water for process and domestic use.

To ensure continuity of cooling during the replacement project, existing plant was kept running while the new equipment was installed, pressure tested, evacuated and commissioned, ensuring cold room temperatures were maintained until the existing system was switched off and decommissioned.

The compressors are connected to the BDN Gateway via modbus, with Bitzer UK providing support to integrate and register the system on the network, enabling all commissioning and real-time performance data to be viewed and recorded, and activating a three-year extended warranty.

The system has built-in capacity for future expansion to cater for growth in the end-user’s business, with an additional space in the pack for a third Bitzer Ecoline compressor.

RSL Ireland technical manager Paul Lynch praised the BDN’s ability to to “drill down” and see what is happening, both historically and in real-time, at the level of each compressor.

“Performance can be compared against the operating envelope for each unit, giving valuable insights into what is happening through the operating cycle. This enables you to optimise operation and further improve efficiency. There is no doubt it can save a lot of time and money.”

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