Description

The AS3037IT(wallmounted) cooling tower controller with conductivity meter is designed for fully automatic monitoring and controlling of cooling tower systems. By means of an optional plug-in card IT3037, the control options can be further extended with one temperature input and two programmable outputs. Via plug-in card IT3037 an circulation pump can be controlled. The pump will be activated when the flush valve is opened or when the shot dosing is activated.

Features

• User operated programming using double row of illuminated LCD display
• Display text in English, French, German or Dutch
• Simple control utilizing easy to follow symbols
• Built-in audio signal for 9 programmable signal indicators
• Adaption to user specific requirements by means of options programmable on site
• Simple operation by means of a few clear operating symbols
• Locking of programming possible by use of a code number
• Flushing depending on water meter, conductivity and both water meter and conductivity
• Input of service telephone number
• Extensive status report facility using information button
• 2 inputs (fixed function) : water meter and dosing tank 1 empty
• 2 programmable inputs : block flushing, dosing tank 2 empty, stop
• 1 optional programmable input (IF circuit board) : level switch in tank, stop

• Inputs programmable active open or closed
• 1 connection for conductivity sensor (cell constant programmable from 0,01 to 10,00 cm-1)
• Manual or automatic temperature compensation
• 2 relay outputs with fixed function : flush valve (powered), dosing output (dry contact)
• 1 programmable relay output (dry contact): shot dosing, alarm
• 2 optional programmable relay outputs (dry contact): flush valve, shot dosing, alarm, flow pulse, circulation pump. (IF circuit board)
• Output relay programmable active under current or not under current
• Secure from power failure as all data is stored long-term without battery
• Efficient micro controller with watchdog, illegal operation code and cycle monitoring
• Safeguarded from EMC by galvanic separation between microcontroller and in- and output circuits and also by additional interference suppression filter
• Available for wall mounting
• Available (input /output) : 24/24VAC, 115/115VAC, 230/230VAC, 115/24VAC, 230/24VAC

Software

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