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microFLEX M2T Controller

The ProMinent microFLEX is a cooling tower/closed loop controller that combines the latest technology with an economical solution. Our breakthrough design offers a worry-free thermal flow switch that does not require any user adjustments or calibration.

Product description

Single Cooling Tower/Closed Loop Controller

The ProMinent microFLEX is a cooling tower/closed loop controller that combines the latest technology with an economical solution. Our breakthrough design offers a worry-free thermal flow switch that does not require any user adjustments or calibration When a metering pump has been installed, the capacity in litres per hour has to be determined under ... more in the glossary.

Your benefits

  • Tower conductivity and temperature input
  • Flow switch status input
  • 5 Key universal keypad
  • 2 Line, 16-character backlit display
  • Single water meter input

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.

  • Monitoring of chemical inhibitor feed

    Technical Details

    • Selectable Inhibitor Feed: Provides 4 feed modes; bleed and feed, bleed then feed, proportional to makeup water volume and percentage time.
    • Water Meter Input: Allows for chemical to be fed based on water volume versus timed pump control methods generally found on comparably priced controllers.
    • Single Point Calibration: For ease of startup and operation. Warning message immediately detects fouled or faulty sensors.
    • What and Why Information: On the controller display is a valuable troubleshooting tool. Solenoid and chemical pump relays show complete status. Shows WHY the relay is on/off.
    • Controller Run Time: Gives total hours per day and total operating days since initial installation.
    • Robust Diagnostics: Provide complete 24-hour history of bleed valve operation, relay run times and minimum/maximum temperatures.
    • Keypad Password: Eliminates unauthorized adjustments.
    • Communication Options: Include Ethernet networking, dry contact alarm relay or 4-20 mA output on conductivity.
    • Optional Web Browser User Interface with Networking Capabilities: Provides ability to direct connect to the controller from a portable workstation, such as a laptop computer. You can also view critical processes remotely using a LAN connection.

    Technical Data

     Rating - DetailNotes
    Analog-Digital I/O  
    Conductivity SensorAuto ranging from 100 μS to 10,000 μS compensatedSingle point calibration, temperature
    Temperature Sensor32°F to 125°F (0°C to 50°C)Displayed as F or C
    Thermal Flow Switch1GPM trip within 30 seconds NO FLOWTypically 10 second trip with in FLOW/
    Water Meter Input current400 Hz, 0.5 mA at 5 V DC measurement headAccepts paddlewheel or contacting
    Relay Outputs1 SPST (Inhibitor), 1 SPDT (Bleed)Single controller fuse
    4-20 mA Output (optional)Single DC isolated, loop powered loopUser definable span, alarms on open
    Alarm Relay (optional) un-fused500 mA at 24 V DC Dry contact set, alarmNormally closed contact, open on
    Communications User Interface  
    Keypad-LCD5 Key tactile feedback, universal characters, 2 line x 16 character, backlitScan rate 100 mS nominal, User adjustale contrast
    10 Base T, TCP/IP Ethernet LAN (optional)HTML micro web server with user definable IP addressUser definable static IP Remote Monitoring & Programming
    Controls  
    Relay ON/OFFON/OFF control valveRelay 1 chemical feed, Relay 2 bleed
    Volumetric feedUser set, measure volume & pump on timeSequential control, measures make-up volume then bleeds for user set volume
    InterlockingFlow switch contact set inputRelays OFF when contact set opens
    BlockingInhibitor feed may be set to block on bleed 
    Alarms - Feed Limit TimersMinutes per dayAuto-reset at Midnight
    System  
    Units of MeasurementUS/Metric selectableOption to use US or Metric units of measurement
    Electrical120 V AC, 50/60 Hz 
    Internal Fusing5 A at 120 V AC 
    Surge SuppressionRelay 2 N.O. (bleed) contacts snubbed at 0.1 μF, 150 ΩVaristor on AC line input
    Accessory Power15-22 V DC, unregulated, thermally fused at 50 mA 
    EnclosureNon-metallic, NEMA 4X5.9”W x 5.9”H x 3.5”D (150 mm W x 150 mm H x 90 mm D)
    Certifications  
    CSA: Pending CSA tested to comply with UL (Pending)

    Downloads for microFLEX M2T Controller

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    Overview

    Single Cooling Tower/Closed Loop Controller

    The ProMinent microFLEX is a cooling tower/closed loop controller that combines the latest technology with an economical solution. Our breakthrough design offers a worry-free thermal flow switch that does not require any user adjustments or calibration When a metering pump has been installed, the capacity in litres per hour has to be determined under ... more in the glossary.

    Your benefits

    • Tower conductivity and temperature input
    • Flow switch status input
    • 5 Key universal keypad
    • 2 Line, 16-character backlit display
    • Single water meter input

    Application

    Technical Data

    Downloads

    Contact us

    ProMinent Fluid Controls Ltd.


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

    +1 888 709 9933 

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