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Datasheet summary

AS3037

Engineering summary from PDF text extraction for AS3037. Verify every value with the OEM datasheet.

Summary

Product Identification

The unit type AS3037 is a universal controller for automatic monitoring and control of cooling tower plants.

Features

User Interface

  • Monochrome LCD display (16x2 characters)
  • Control via six keys
  • Five LEDs for process and alarm indication
  • Acoustic signal for alarm
  • Supports English, French, German, and Dutch languages

Inputs

  • 4x Input for potential free switch
  • 1x Conductivity meter
  • Optional (with circuit board IF2030): 1x Temperature input

Conductivity Meter

  • Automatic range switching
  • Cell constants from 0.01 - 10.00 cm⁻¹
  • Range from 0.5 - 100,000 µS/cm (depending on used cell)
  • Manual temperature compensation
  • Capacitive cell

Temperature Meter (Optional)

  • Range from 0 - 94°C (32 - 201°F)
  • PT1000 sensor type

Outputs

  • 1x Relay output (powered)
  • 2x Relay output (dry contact)
  • Optional (with circuit board IF2030): 2x Relay output (dry contact)

Memory

  • Programming is stored in non-volatile memory and is not affected by power loss.

Enclosure

  • Suitable for wall mounting, IP65 rated.

Power Supply Options

  • 24 VAC input / 24 VAC output
  • 115 VAC input / 115 VAC output
  • 230 VAC input / 230 VAC output
  • 115 VAC input / 24 VAC output
  • 230 VAC input / 24 VAC output

Function Table

The relay outputs and digital inputs can be assigned to various functions, including:

Relay Outputs

  • Flush valve
  • Inlet valve
  • Proportional dosing
  • Biocide dosing
  • Flow pulse
  • Alarm
  • Circulation pump

Digital Inputs

  • Water meter
  • Stop
  • Level switch
  • Level switch dosing tank 1
  • Level switch dosing tank 2
  • Block flushing

Ordering Information

  • AS3037: Wall-mounted controller with 1 powered relay output and 2 dry contact relay outputs.
  • AS3037IT: Wall-mounted controller with 1 powered relay output, 4 dry contact relay outputs, and 1 temperature meter.

Power supply options are appended to the model number:

  • 24V: 24 VAC / 24 VAC
  • 115V: 115 VAC / 115 VAC
  • 230V: 230 VAC / 230 VAC
  • 115/24V: 115 VAC / 24 VAC
  • 230/24V: 230 VAC / 24 VAC

Disclaimer: This extracted summary may miss figures, footnotes, or revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror

Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.