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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.

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

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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