Chillers

Glycol chillers

Glycol chillers condensed by air for refrigeration applications at positive and negative temperature.

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Description

Glycol chillers for medium and low temperature applications, specially designed for outdoor installation with minimum noise levels under extreme ambient conditions.

  • MWE series: for refrigeration at positive temperature, from 14,5 to 101,6 kW. With Hermetic reciprocating or scroll compressors.
    • NF/SF version: electronic version.
  • BWE series: for refrigeration at negative temperature, from 6,8 to 75,4 kW. With Hermetic reciprocating or scroll compressors with vapour injection EVI system.
    • NF/SF version: electronic version.
external
Hydraulic group with pump
external
Hydraulic group with pump and inertial tank
external
Hydraulic group with variable pump and inertial tank
  • High performance in minimum space.
  • Tropicalized design for ambient temperature up to 45 ºC.
  • Hermetic reciprocating or scroll compressors rack, with noise insulation, rotalock service valves, discharge muffler (for reciprocating compressor models), mounted on shock absorbers, with internal klixon, anti back-flow valves and crankcase heater.
  • Large U-shaped  area of condensing coil, in copper pipes and aluminium fins, tropicalised for ambient temperature up to 45 ºC.
  • Low-speed electronic axial motor-fans (except for series 1) with low energy consumption, internal protection, mounted on nozzles, dynamically balanced blades and external protection grille.
  • Proportional control of condensing pressure.
  • Refrigeration circuit with one or two suction line/s, built in copper piping with high and low pressure switches, pressure transducers, service valves, thermostatic expansion valve, dehydratant ceramic
    filter and sight glass.
  • Brazzed plates heat exchanger featuring inox plates with copper welding, with anti-freezing heater.
  • Hydraulic circuit built in copper piping with flow switch, temperature and pressure gauge, air vent and draining valve. Thread connection up to 2 1/2” and DN80 bridle connection from 3”.
  • Switchboard electronic control, with thermal and magnetothermal protection for compressor/s, fan/s and water pump.
  • Electronic regulation with 4 power stages and glycol inlet temperature set point, HP and LP transducers, anti-freezing protection and digital control keyboard.
  • Low maintenance, removable panels for easy access.
  • Refrigerant R404-A.
  • Defrosting cycle by glycol heating.
  • Freecooling.
  • Inbuilt hydraulic system (auxiliary hydraulic pump as an option), service valves, anti back-flow valves, expansion tank, safety valve, mesh filter, air vent and draining valve.
  • Hydraulic variable displacement pump for secondary circuit.
  • Buffer tank with differential pressure valve.
  • Anticorrosion coil coating.
  • ModBus protocol and RS485 connection for external communication.
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