COOLPAC - tours aerorefrigerantes

COOLAPC : Water quality management of cooling tower

The COOLPAC range has been specially designed for the management of water quality in cooling towers (TAR) and to fight against legionella.

Advantages and benefits of COOLPAC :

  • Adapted to the strictest requirements for monitoring water quality in cooling towers with more than 10 possible actions (measurements, dosages, traceability, etc.),
  • System guaranteeing continuity of treatment against legionella by deconcentration fixed on the conductivity measurement or by volumetric counting,
  • Treatments by temporal and/or regulated dosages of oxidizing and non-oxidizing biocides,
  • Process safety ensured by automatic switchover to volumetric management in the event of a conductivity probe failure,
  • Conductivity measurement with inductive or conductive conductivity probe,
  • Control of the oxidizing biocide possible by timers and/or continuous measurement,
  • High adaptability and possible configurations for optimal water quality management of cooling towers,
  • Management of biocide dosage according to the seasons,
  • Consultation of the current system status and previous cycles.



  • Cooling tower
Tower deconcentration management
  • Volumetric (cumulative volume + purge time)
  • Conductivity: graphite or inductive probe
Management of 2 biocides
  • 2 types of biocides
  • Dosing of biocides :
    – continuous
    – programmable timer
    – timer with regulation (oxidizing biocide)
    – injection per timer, up to 16 timers
  • Injection cycle with pre-purge and lockout
  • In case of purging, injection of priority biocides
  • Guaranteed biocide injection times
Management of a dispersant and
a corrosion inhibitor product
  • Injection mode :
    – continuous
    – cyclic
    – by purge time ratio
    – volumetric with respect to filling
Tower pH management
  • Automatic injection by programmable pH
  • Choice of control direction (pH+ or pH-)
Measurement inputs
  • 1 conductive conductivity input
  • 1 x 4-20 mA input for continuous measurement: oxidizing biocide
  • 1 x 4-20 mA temperature input for conductivity compensation
  • 1 x 4-20 mA input for inductive conductivity or pH sensor
Dry contact inputs
  • 1 pulse counter input
  • 1 remote control input
  • 1 level contact input
Relay outputs
  • 1 relay 230 V deconcentration control
  • 1 relay 230 V biocide control A (oxidizer)
  • 1 relay 230 V biocide control B
  • 1 relay 230 V corrosion inhibitor control
  • 1 relay 230 V dispersing control
  • 1 relay 230 V alarm or pH control
Analog outputs
  • 2 programmable 4-20 mA outputs (control or data transfer)
Power supply
  • 230 VAC – 50/60 Hz – 5 A
Coolpac protection des tours aerorefrigerantes

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