• Constant Temperature and
         Humidity Controller
  • SL1600-TH1 High Precision
         Lab A/C Controller
  • SL1600-TH2 Economic
         Constant T&H Controller
  • SL1600-TH3 High precision
         lab A/C controller
  • SL2500-TH Cellaret Controller
  • SL3000-TH Constant
         T&H Controller
  • SL3000-TH2 Constant
         T&H Controller
• ICT Controller
  • SL1000-OC Outdoor ICT A/C
         controller
  • SL1000-QG Muti functional
         ventilation/ heat
         exchanger controller
  • SL1000-SU Shelter unit
         controller
  • SL1000-VE Intelligence
         ventilation / heat
         exchanger controller
  • SL1600-SU Shelter unit A/C
         controller
  • SL1800-HE Outdoor ICT
         Cabinet Heat Exchanger
         Controller
  • SL1800DC-SU DC Shelter
         Unit A/C Controller
  • SL1804 –VS DC Variable
         Speed Air conditioner
         Controller
  • SL1805-TE Semiconductor
         cooling controller
  • SL1840-HE Outdoor ICT
         Cabinet Heat Exchanger
         Controller
  • SL2500-SU Shelter Unit
         Controller
  • SL4000 Communication Lab
         Air Conditioner Energy
         Saving Controller
• Package Unit Controller
  • SL1500-NH Fresh Air Heat
         Pump Controller
  • SL1500-PT Muti functional
         Dehumidify AC Controller
  • SL1600-ST Package Unit
         Controller
  • SL1600-NH All Fresh Air Heat
         Pump Controller
  • SL1600-DU Duct Unit
         Controller
  • SL1600-PU4 Four
         compressors packaged
         AC/chiller controller
  • SL1600-CF4 Four
         compressors packaged
         unit controller
  • SL1600 MF Mixed air heat
         pump
  • SL2000-ST Package Unit
         Controller
• Humidifier controller
  • SL1900H-ST Humidifier
         Controller
  • SL1900H-EH Humidifier
         Controller
• Dehumidifier Controller
  • SL2000C-ST Dehumidifier
         Controller
  • SL2000C-TY Temperature
         Adjustable Dehumidifier
         Controller
  • SL2000M-WZ Dehumidifier
         controller
  • SL3000-AH Screw Constant
         Temperature
         Dehumidifier Controller
• Air Handling Unit Controller
  • SL2500-TH AHU Controller
  • SL1600-TH2 Constant
         T& H AHU Controller
  • SL2500-AH AHU Controller
  • SL2000-FB AHU Controller
  • SL2000-DK AHU Controller
• Chiller/Heat Pump
       Controller
  • SL1600-ST Air-Cooled Heat
         Pump Controller
  • SL1600-ST Water Source
         Heat Pump Controller
  • SL1600-ST Chiller Controller
  • SL1600-PU4 Four
         compressors chiller
         controller
  • SL1600F-MO Air-cooled
         chiller module unit
         controller
  • SL2000-ST Chiller Controller
• Heat Pump Water Heater       Controller
  • SL2500-HP 3 in 1 Heat
          Pump Controller
  • SL1600F-HP Heat Pump
          Heater Controller
  • SL1600F-HY Heat Pump
         Heater Controller
• Screw Type Controller
  • SL3000-ST Screw
         Chiller Controller
  • SL3000-SC Screw
         Chiller Modules
         Controller
  • SL3500-ST Screw Chiller
         Controller
  • SL3500-HR Screw Gound
         Sourece Heat Pump With
         Heat Recovery Controller
• Others
  • SL220S Single Phase Fan
         Speed Controller
  • SL1300 Controller
    
  • SL1600-RZ Cold Zone
         Controller
  • Sl1800-VF Ground Air
         Supplier Controller
  • SL1800-OA Outdoor
         Advertisement AC
         Controller
• HMI
  • SL100 HMI
  • SL200 HMI
  • SL300 HMI
  • SL800 HMI
  • MT500 Touch Panel
• Humidity&Temperature
        Transducer
  • SL180-B Wall-mouted
         Transducer
  • SL180-G Duct-mouted
         Transducer
  • SL180-M Modules
  • SL180-X 485
         Communication Protocol
         Temperature & Humidity
         Transducer

RSRS485 MODBUS interface; Two steps anti-freeze function; Phase sequence and phase loss protection; Self-diagnostics and autoturning function; Parameter password protection.
Suitable for Air cooled chiller/heat pump, Water cooled chiller/heat pump, Air to air package unit, Water to air package unit.

*Built-in phase sequence/phase loss protection;
*Two steps anti-freeze and intelligent defrost;
*Trial run and off memory function;
*Condenser fan is directly controlled without additional pressure control switch;
*Support auto restart function and terminal chain control;
*With timer ON/OFF, service remind and lock function
*Liquid circuit valve control, enhance the safety for compressor operation;
*Compressor delay function and auto balance spoilage for multi compressors;
*Compressor motor protection, high/low pressure protection;
*Built-in compressor current detection, no need overload protector;
*High/low temperature protection for inlet/outlet water
* 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;
*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;
*Control logic implemented on the control board.

Auto restart, setpoint emendation, temperature settpoint temperature differential, Load/unload setpoint, compressor low pressure delay, water flow delay, defrost temperature differential, defrost energize/de-energize temperature/cooling tower fan energize/de-energize temperature, defrosting turnoff temperature/cooling tower fan turnoff temperature, minimum defrost Interval/cooling pump energize time, maximum defrost Interval/cooling pump delay de-energize time, heating condenser fan tenergize temperature/cooling water-out high temperature protection, cooling condenser fan de-energize temperature/cooling water-out low temperature protection, forced defrost, compressor overload, number of compressor, temperature control modes, liquid circuit valve delay time, four-way valve energize/de-energize, digital input normal on/off.

*Controller dimension: 187mm×131mm, fixed by 4 fixing holes (Hole dia:4.5mm), transverse hole distance 159.3mm,   vertical hole distance 114mm;
*12 digital inputs;
*12 relay control outputs;
* 6 analogue inputs :inlet/outletwater temperature, 1# frost temperature/outlet cooling water temperature, 2# frost   temperature/inlet cooling water temperature, ambient temperature;
*2 Current analogue inputs:1#compressor current, 2# compressor current;
*Suitable for SL300 Text HMI, SL100 Color character HMI;
*Relay power output: 250V/5A;
*Transformer power output: 12V/1A.