Refrigeration

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AHRI Guideline N previously stipulated that specific paint colors be used for refrigerant containers as an additional means of refrigerant identification. However, with the increasing number of refrigerants approved for use, there was concern over the potential misidentification of similarly colored containers.

One method of head-pressure control during low ambient conditions is to use a mechanical hold-back or flooding valve located at the outlet of the condenser to hold back or flood liquid refrigerant in the condenser. This valve is often referred to as an open on rise of inlet (ORI) valve because it will start to throttle open on a rise in condenser pressure.

Despite the long-term energy savings and environmental benefits natural refrigerant systems offer, their higher upfront costs remain a primary barrier to retailers’ widespread adoption of these technologies.

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In October 2015, hoping to improve the performance and efficiencies of the location’s refrigeration systems, Roche Bros. installed two Trillium Series Condensers in its Westwood store.

The U.S. Environmental Protection Agency (EPA) has recognized 13 companies in the supermarket industry for their achievements reducing emissions of refrigerants. EPA said the awardees are preventing refrigerant leaks, transitioning to climate-friendly refrigerants, and using advanced refrigeration technologies.

Have you been mulling over a great idea for off-the-grid refrigeration? If so, now might be the time to unveil it — a purse of $600,000 is available as an incentive.