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Cooltrol Data I Inductive Blowdown Units
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Herco Wassertechnik GmbH
Neckar, Germany
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The pre-built, plug-and-play blowdown machine automatically regulates the salinity of the circulating water in humidifier and cooling circuits. Blowdown, turning on the circulation pump, and managing up to three dosing pumps (one volume-controlled for the hardness stabilizer and two time-controlled with a monthly timer for biocide 1 and 2) are among the features of the control system. The included micro SD card (4 GB) allows for data logging in compliance with the 42nd BImSchV.

Controller Cooltrol data
Operating pressure 0.2 – 6.0 bar
Operating temperature 0 – 40 °C
Cabel length 2 m
Reference temperature 25 °C
Output blowdown valve Mains voltage, max. 4 A
Output volume-prop. dosing open collector
Output time-prop. dosing 1/2 floating, max. 250 V AC / 3 A
Warning output floating, max. 250 V AC / 3 A
Fault output floating, max. 250 V AC / 3 A
Protection class IP 65
Operating signal floating, max. 250 V AC / 3 A
Current output 4 - 20 or 0 - 20 mA active
Conditions of use The unit may only be used to control or measure conductivity in open cooling circuits and humidifiers and for dosing biocides in water-bearing systems.

Utilization of  I Inductive Blowdown Units
For managing concentration cycles in open cooling circuits or air humidifiers, as well as managing up to three dosing pumps (one volume-controlled hardness stabilizer pump and two time-controlled biocide 1 and 2 pumps with a monthly timer).

Advantages of  I Inductive Blowdown Units

  1. One of the four functions—circulation pump, volume- or time-proportional dosing, blowdown—is being operated by an operating message.
  2. The display changes color to indicate warning or fault signals, making them instantly visible.
  3. When the blowdown valve (motorized ball valve) is de-energized, it closes, preventing the system from running empty in the case of a power outage.
  4. Micro SD card data is easily readable





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