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Controller AEGIS II

Controller AEGIS II continuously measures and controls the conductivity and biocide concentration to keep pipework and heat exchangers clean.

Product description

Treatment of cooling water in evaporation cooling systems - VDI 2047-compliant

The AEGIS II records all the necessary measuring parameters for cooling water treatment and controls the functions necessary for smooth operation:

  • Measures the electrolytic conductivity – controls bleeding
  • Biocide metering – time-dependent or as measurement and control, VDI 2047-compliant (e.g chlorine)
  • Corrosion measurement – determines whether enough corrosion inhibitor is being metered
  • pH measurement – measures and controls the pH value

Your benefits

  • Timer-controlled biocide dosing.
  • Optional online measurement and control of the biocide concentration.
  • Built in web interface for device configuration and remotemaintenance. Optional WLAN/WiFi access point.
  • Bleed lockout: blocks bleeding after biocide metering has taken place.
  • Pre-bleed: performs bleeding before biocide metering.
  • Operating status displayed by 10 status LEDs.

Field of application

  • Control of bleeding in evaporation cooling systems
  • Volume-proportional control or regulation of the metering of corrosion inhibitors, de-foamers and dispersants
  • Measurement and control of the inhibitor concentration through the use of a fluorescence sensor
  • pH measurement and optional pH control
  • Metering of up to 2 biocides based on time or measured values
    more more

    Technical Details

    • 8 digital inputs for contact water meter, flow detector and control signals
    • 10 status LEDs display the operating status
    • 9 flexible relay outputs: for setpoint-dependent flow volume-proportional or time-based control of actuators
    • Measured variables: conductivity, pH, ORP, chlorine, bromine, chlorine dioxide and more

    Technical Data

    Measuring range

    Connection type mV:

    pH: 0,00 ... 14,00

    ORP voltage: - 1,500 ... + 1,500 mV

    Connector type mA (amperometric measured variables, measuring ranges according to the sensors):

    Chlorine

    Chlorine dioxide

    Bromine

    Temperature:

    via Pt 100/Pt 1000, measuring range 0 ... 150 °C

    Resolution

    pH: 0,01

    ORP voltage: 1 mV

    Temperature: 0.1 °C

    Amperometric analysis (chlorine etc.): 0.001/0.01 ppm, 0.01 Vol.%, 0.1 Vol.%

    Inputs and outputs

    3 plug-in module positions: Plug-in modules for 2-channel modules: mA outputs, pH/ORP inputs, mA inputs for amperometric sensors and serial sensor inputs

    1 input for flow signal

    5 output relays acting as changeover contacts, of which 3 are potential-free and 2 are AC/DC

    4 pulse frequency outputs

    2 serial sensor inputs for CFTS sensors

    8 digital status inputs

    Accuracy0.3 % based on the full-scale reading
    Measurement inputpH/ORP (input resistance > 0.5 x 1012 Ω)
    Temperature compensationPt 100/Pt 1000 for pH
    Temperature correction range0 … 100 °C
    Control characteristicP/PID control
    Electrical connection90 – 253 V, 50/60 Hz, 25 VA, 24 V DC
    Field bus connectionModbus RTU, additional field buses via gateway
    Ambient temperature0 ... 50 °C (for use indoors or with a protective enclosure)
    Enclosure ratingWall-mounted: IP 65
    Tests and approvalsCE, MET (corresponding to UL as per IEC 61010)
    Housing materialPPE with flame-proof finish
    Dimensions H x W x D220 x 250 x 122 mm
    ClimatePermissible relative humidity: 95 %, non-condensing DIN IEC 60068 –2-30

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    Overview

    Treatment of cooling water in evaporation cooling systems - VDI 2047-compliant

    The AEGIS II records all the necessary measuring parameters for cooling water treatment and controls the functions necessary for smooth operation:

    • Measures the electrolytic conductivity – controls bleeding
    • Biocide metering – time-dependent or as measurement and control, VDI 2047-compliant (e.g chlorine)
    • Corrosion measurement – determines whether enough corrosion inhibitor is being metered
    • pH measurement – measures and controls the pH value

    Your benefits

    • Timer-controlled biocide dosing.
    • Optional online measurement and control of the biocide concentration.
    • Built in web interface for device configuration and remotemaintenance. Optional WLAN/WiFi access point.
    • Bleed lockout: blocks bleeding after biocide metering has taken place.
    • Pre-bleed: performs bleeding before biocide metering.
    • Operating status displayed by 10 status LEDs.

    Application

    Technical Data

    Downloads

    Contact us

    Prasanna Rao

    Managing Director, Heidelberg ProMinent Fluid Controls India Pvt. Ltd.

    +91 8023 5788 72   
    Send request    

    »Please send us your request! We will contact you shortly.«

    +91 8023 5788 72  Send request   

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