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Strong stability, auto modes conversion, smart deadband control, support anti-freeze, defrost, auxiliary electric heater function. Suitable to control constant temperature air handling unit and cooling-heating type and constant temperature air handling unit |
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*Support auto restart function;
*Support remote control function;
*Support trial run function;
*Support off memory function;
*Support probe lost protection;
*Support fire alarm function;
*Support fan pressure differential alarm function;
*Auto modes conversion, intelligent ambient temperature adjustment;
*with timer ON/OFF,, service remind and lock function;
*Strong stability, 0.15-80MHz interference rejection, 4KV high voltage and surge resistance;
*SMT technology, 48 hours burn-in test for ensuring quality;
*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 assemble. |
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Temperature setpoint, System time, Real timer, Operation mode, Service remind and lock, Trial run. |
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*Controller dimension: 158mm×104mm, fixed by 4 fixing holes (Hole dia:3.5mm), transverse hole distance 127.5mm, vertical hole distance 88.5mm;
*10 digital Inputs: Air blower overload, electric heater protection, fire alarm, air pressure fault ;
*7 relay outputs: Air blower,electric heater, cooling valve, fault output;
*2 analogue inputs: primary air temperature, reserved;
*Suitable for SL300 text HMI, SL200 character HMI
*Relay power output: 250V/5A;
*Transformer power output: 12V/1A. |
