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*Supply chilled water / domestic hot water or bothh;
* Support chilled water protection and heating water protection;
* Support probe lost protection and off memory function;
* Support anti-freeze and auxiliary heater function;
* Strong stability, 0.15-80MHz interference rejection, 4KV high voltage and surge resistance;
* SMT technology, 48 hours burn-in test for ensuring quality;
* Humidifier dividual control, high humidity accuracy, with protection for cylinder;
* MODBUS-RTU RS485 widely-used communication protocol, up to 1km max distance (Gateway Free);
* PCB surface painted with CRC, avoid leakage, short circuit, and erosion from acid / alkali/alcohol/humidity/salt spray;
* Wide voltage range, avoid misoperation caused by voltage fluctuation;
* All I/O on control board fixed with indicator lights for intuitionistic estimation. Control logic implemented on the control board;
* Feature with European terminal blocks for I/O connection, easy assemble.
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*Controller dimension: 180mmX146mm, fixed by 4 fixing holes (Hole dia:4.5mm), transverse hole distance 152.5mm, vertical hole distance 112mm;
*12 digital inputs: Air blower overload, Hot water flow fault, Cooling water flow fault, Compressor high pressure fault, Compressor overload, Reserved fault chain input;
*12 relay outputs: Water pump, Air blower, Fault, Compressor, Cooling valve, Heating valve;
*2 analogue inputs: Cooling water temperature, heating water temperature), can be extended to 4 inputs.
*Suitable for MT500 touchpanel HMI
*Relay power output: 250V/5A;
*Transformer power output: 12V/1A.
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