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SL2000-ST Packaged Unit Controller |
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Strong stability can be used to air/water cooled packaged unit. and autoturning function; Service remind and lock function; self diagnostics;Featured with kinds of HMI. Competitive price.
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SL2000-ST: Air cooled packaged unit, Water cooled packaged unit, air-to-water heat pump, water cooled chiller, and so on.
ST2000-FB: Air handling unit, All fresh air heat pump, Screw packaged unit etc. |
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*Support auto restart and self diagnostics;
*Support remote control function;
*Support defrost function for some types;
*with timer ON/OFF, service remind and lock functions;
*With Heating, Cooling and Supply air modes;
*Compressor delay function and auto balance spoilage for multi compressors.
*Trial run function;
*Off memory function;
* High/low air supply temperature and probe lost protection;
*Strong stability, 0.15-80MHz interference rejection, 4KV high voltage and surge resistance ;
*SMT technology, 48 hrs burn-in test for ensuring quality;
*Easy devices control conversion via dial switch;
*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;
*Featured with tension and torsion resistance probe, long working life;
*Wide voltage range, avoid misoperation caused by voltage fluctuation;
*All I/O on control board fixed with indicator lights for intuitionistic estimation. Implement control logic on the control board;
*Featured with European terminal blocks for I/O connection, easy assembly.
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Temperature setpoint, System time, ,ON/OFF time, Operation mode, Service remind and lock, Trial run.
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*Controller dimension: 158mmX104mm, fixed by 4 fixing holes (Hole dia:3.5mm), transverse hole distance 127.5mm, vertical hole distance 88.5mm;
*10 Digital Inputs: Air blower, Compressor high/low pressure, Heat protection, Water flow switch, Fire alarm, Fan pressure differential, etc.
*7 Relay outputs: Compressor, Electronic heater/Four-way valve, Air blower, Fault outputs;
*2 Analogue inputs: Return air/water, Supply air/water;
*Relay power output: 250V/5A;
*Transformer power output: 12V/1A.
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