Model:SL1000
*Support Telecommunication, CMCC, UNICOM protocols, ModBus and RS485 protocols.
*Arbitrary definition of unique identification number via monitoring software, easy for operation and maintenance.
*Fresh air valve auto control, energy saving and environmental friendly.
*Temperature high/ low protection;
*Compressors exhaust temp high protection;
*N+1 units duty function ,enhance control precision;
*Power protection and compressor protection function;
*Unit auto detection function and manual run function;
*Probe fault protection;
*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 the terminal on the controller board use Euro standard ,easy to install.




