The risks around toxicity can be mitigated with proper training and the adoption of safety codes and standards.
Frialsa operates 28 temperature-controlled centers, 14 with ammonia refrigeration systems, 10 with combined ammonia/CO2 and four with freon.
Copeland, ABE Refrigeración Industrial, Frialsa and Emergent Cold will discuss ammonia refrigeration applications.
The system comprises two ammonia-based chillers for medium- and high-temperature applications at the facility and a glycol-cooled subcritical CO2 system to meet its low-temperature needs.
With commissioning this week, the ammonia/CO2/glycol system is expected to save US$30,000 annually compared to conventional systems.
Poultry warehouse in Costa Rica will use six low-charge units.