Air-cooled glycol chiller

Air-cooled small capacity glycol or brine chillers for low-noise operation and compact self-supported casing.


Sigilus is a air-cooled small capacity glycol or brine chillers for low-noise operation and compact self supported casing built in galvanised steel sheet and polyester paint coating for outdoor installation.

  • Indirect cooling systems.
  • Operation with glycol water or brine.
  • Reduced refrigerant charge.
  • Built-in hydraulic group depending on the version.

  • 230 V-I-50 Hz or 400 V-III-50 Hz power supply. Available in 60 Hz. Other voltages by request.
  • Reciprocating hermetic or scroll compressor, acoustically insulated, with discharge muffler (in reciprocating hermetic compressor), mounted on shock absorbers, with internal klixon and crankcase heater.
  • Large surface condenser coil, copper pipes and aluminum fins, tropicalised for ambient temperature up to 50 °C.
  • Low rpm motor fans, mounted on nozzles with dynamically balanced blades and external protection grilles.
  • Variable speed axial fan for proportional condensation pressure control (optional on single phase models).
  • Refrigeration circuit equipped with high and low pressure switches, ceramic filter and sight gauge.
  • Stainless steel plate heat exchanger.
  • Electrical panel, with differential and overload protection for each compressor, fan/s and hydraulic pump.
  • Liquid injection system for negative temperature models with R-449A.
  • Hydraulic circuit made of copper pipe with flow switch, thermomanometer, air vent and drain valve. Threaded connections up to 2 1/2“.
  • Hydraulic unit with glycol circulator pump, buffer tank, safety valve, mesh filter, air vent and fill valve.
  • Proportional condensation control (standard on three-phase models).
  • Anti-corrosion coil coating.
  • External coil protection grid.


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