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Controller SlimFLEX 5a

The cooling tower regulator SlimFLEX 5a continuously measures and controls conductivity and controls biocide metering, keeps pipework and heat exchangers clean and prevents legionella.

Product description

Controller SlimFLEX 5a, the entry level class for cooling water treatment, VDI 2047 Sheet 2 and BLMSchV 42-compliant, the innovative and flexible controller.

The SlimFLEX5a records all the important measuring parameters for cooling water treatment and controls functions necessary for smooth operation:

  • Time-dependent biocide metering (boost metering). Checks can be undertaken by measuring the ORP voltage in the cooling water.
  • Measurement of electrolytic conductivity – controls bleeding.
  • pH measurement with integrated PID controller Controls processes automatically to ensure that the specified values (e.g. pH: acid or alkaline) are maintained even in the event of interfering influences. more in the glossary.

Your benefits

  • A web interface for device configuration and remote maintenance is standard, Wi-Fi is available as an option
  • Forced bleeding: performs bleeding before biocide metering
  • Bleed lock: blocks bleeding after biocide metering has taken place
  • Operating status displayed by 6 status LEDs
  • Connection to the DULCONNEX IIoT solution, developed by ProMinent.

Field of application

The following list of applications are general examples of generally suitable applications for this product. Please contact your local sales representative to talk about the applicable use of this product in your specific case / environment.

  • Control of bleeding in smaller evaporation cooling systems
  • Volume-proportional control or regulation of the metering of corrosion inhibitors, de-foamers and dispersants
  • Measurement and if necessary control of pH
  • Time-dependent metering of up to 2 biocides
    1

    Technical Details

    • 6 digital inputs for contact water meter, flow detector and control signals
    • 6 status LEDs display the operating status
    • 5 flexible relay outputs: for setpoint-dependent flow volume-proportional or time-based control of actuators
    • Measured variables: Conductivity, pH, ORP

    Measuring range

    Conductivity: 10 ... 10,000 µS/cm
    pH: 0.00 ... 14.00
    Redox potential: -1500 ... +1500 mV

    Resolution

    Conductivity: 1 µS/cm
    pH: 0.01
    Redox potential: 1 mV
    Temperature: 0.1 °C

    Inputs and outputs

    2 plug-in module slots: Plug-in modules for 2-channel modules: mA outputs, pH/ORP inputs
    5 output relays used as a changeover contact, 3 of which are potential-free and 2 are AC/DC
    1 serial sensor input for CTFS sensor
    6 digital status inputs

    Accuracy

    0.3% based on the full-scale reading

    Measurement input

    pH/ORP (input resistance > 0.5 x 1012 Ω)

    Temperature compensation

    Pt 100/Pt 1000 for pH

    Correction range temp.

    0 … 100 °C

    Control characteristic

    P/PID control

    Electrical Connection

    100 – 230 V, 50/60 Hz, 25 VA

    Ambient temperature

    0 ... 50 °C (for use indoors or with a protective enclosure)

    Enclosure rating

    Wall-mounted: IP 65

    Tests and approvals

    CE, MET (corresponding to UL as per IEC 61010)

    Housing material

    PPE with flame-proof finish

    Dimensions H x W x D

    220 x 250 x 122

    Climate

    Permissible relative humidity: 95 %, non-condensing DIN IEC 60068 –2-30

    SlimFlex SF5a with LAN (including cable) and Wi-Fi. Conductive conductivity with CTFS sensor

    Control input

    Order no.

    SF5A006W0XXXXXXXXXXXX00000001

    Conductivity (CTFS sensor)

    1095464

    SF5A006W0XXXXXXH1XXXX00000001

    Conductivity (CTFS sensor), 2 mA outputs

    1095443

    SF5A006W0XXXXXXXXV2XX00000001

    Conductivity (CTFS sensor), pH/ORP

    1095465

    SF5A006W0XXXXXXH1V2XX00000001

    Conductivity (CTFS sensor), pH / ORP, 2 mA outputs

    1095466

    Please order sensors separately.

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    Overview

    Controller SlimFLEX 5a, the entry level class for cooling water treatment, VDI 2047 Sheet 2 and BLMSchV 42-compliant, the innovative and flexible controller.

    The SlimFLEX5a records all the important measuring parameters for cooling water treatment and controls functions necessary for smooth operation:

    • Time-dependent biocide metering (boost metering). Checks can be undertaken by measuring the ORP voltage in the cooling water.
    • Measurement of electrolytic conductivity – controls bleeding.
    • pH measurement with integrated PID controller Controls processes automatically to ensure that the specified values (e.g. pH: acid or alkaline) are maintained even in the event of interfering influences. more in the glossary.

    Your benefits

    • A web interface for device configuration and remote maintenance is standard, Wi-Fi is available as an option
    • Forced bleeding: performs bleeding before biocide metering
    • Bleed lock: blocks bleeding after biocide metering has taken place
    • Operating status displayed by 6 status LEDs
    • Connection to the DULCONNEX IIoT solution, developed by ProMinent.

    Application

    Technical Data

    Downloads

    Contact us

    ProMinent Fluid Controls Ltd.


    +1 888 709 9933   
    Send request    

    »We are always available to help. Don't hesitate to contact us.«

    +1 888 709 9933  Send request   

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