Refrigeration Systems
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Refrigeration System type DX (direct evaporation)
Servicing and maintenance of 6 semi-hermetic compressors "Stal R5" with a total refrigerant charge of over 1000 kg of R407c. 2 compressors for positive temperature, 2 compressors for negative temperature, and 2 compressors for cooling technical rooms.
Brine Refrigeration System (Propylene Glycol)
Servicing of 2 "Stal R5 M II" compressors with a cooling capacity of 600 kW each, using refrigerant R404A - 300 kg, for positive temperatures with a secondary refrigerant (propylene glycol) and a cooling temperature of -10°C. Servicing of 2 "Stal R5 M II" compressors with a cooling capacity of 400 kW each, using refrigerant R404A - 300 kg, for negative temperatures with a secondary refrigerant (propylene glycol) and a freezing temperature of -35°C.
Refrigeration System type DX (direct evaporation)
Servicing of 2 "HallScrew HSO / HSI 3200" compressors with a cooling capacity of 85 kW each, using refrigerant R404A - 320 kg, for both positive and negative temperatures.
Refrigeration System type DX (direct evaporation)
Servicing of 2 "York JNC" compressors with a cooling capacity of 125 kW each, using refrigerant R407C - 300 kg, and 2 "York JNC" compressors with a cooling capacity of 86 kW each, using refrigerant R407C - 300 kg.
Brine Cascade Refrigeration System (Propylene Glycol)
Commissioning of two new Bitzer CSH 9573-180Y compressors, 260 kW each, using refrigerant R134a - 150 kg. Cascade system combined with two units powered by R744 with subcritical pressure. Performed leak tests, oil change, replacement of filter dryers, seals, system cleaning with nitrogen, adjustment of the system's superheat in the suction pipeline and economizer. Refrigerant leak check.
