VFD retrofit saves 35% in vitality prices

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UK/COSTA RICA: Variable frequency drives retrofitted to a grocery store refrigeration system in Costa Rica is claimed to have achieved vitality financial savings of 35%.

Specialist US-based HVACR software program producer Falkonair Inc partnered with EcoPower, a contractor in Costa Rica, to retrofit a number of programs on the grocery store. They used Optidrive Eco VFDs from UK firm Invertek Drives on the grocery store’s refrigeration rack system and roof high bundle models.

Falkonair’s product, the Sensible Compressor Management (SCC), was utilised to allow inefficient fastened pace compressors to be transformed to variable pace programs. The Sensible Compressor Management makes use of an algorithm that maintains oil return, maintains a happy discharge temperature, and maintains a happy suction temperature getting into the compressors.

The Optidrive Eco, 3PH, 480V and 230V VFDs with each IP55 enclosures had been mounted on each the roof and within the refrigeration plant room. These drives had been put in on each Bitzer and Copeland Discus reciprocating and LG scroll compressors.

Along with the vitality financial savings, the system is claimed to have lowered downtime which is vital for a retailer with a big refrigeration system.

Invertek Drives

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