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Controller SlimFLEX 5a

The cooling tower regulator SlimFLEX 5 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). Control can be done by measuring the ORP voltage in the cooling water.
  • Measurement of electrolytic conductivity – controls bleeding.
  • pH measurement with integral 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 unit configuration and remote maintenance standard, Wi-Fi is optionally available
  • Forced bleeding: performs bleeding before biocide metering
  • Bleed lock: blocks bleeding after biocide metering has taken place
  • Operating status displayed by 6 status LEDs

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

Technical Data

Measuring range

Conductivity: 10 ... 10,000 µS/cm

pH: 0.00 ... 14.00

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

Resolution

Conductivity: 1 µS/cm

pH: 0.01

ORP voltage: 1 mV

Temperature: 0.1 °C

Inputs and outputs

2 plug-in module positions: Plug-in modules for 2-channel modules: mA outputs, pH/ORP inputs

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

1 serial sensor input for CFTS sensor

6 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 connection100 – 230 V, 50/60 Hz, 25 VA
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

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). Control can be done by measuring the ORP voltage in the cooling water.
  • Measurement of electrolytic conductivity – controls bleeding.
  • pH measurement with integral 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 unit configuration and remote maintenance standard, Wi-Fi is optionally available
  • Forced bleeding: performs bleeding before biocide metering
  • Bleed lock: blocks bleeding after biocide metering has taken place
  • Operating status displayed by 6 status LEDs

Application

Technical Data

Downloads

Contact us

Prasanna Rao

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

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

+91 8023 5788 72  Send request   

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