• Constant Temperature and
         Humidity AC
  • 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 Constant T & H
         Controlle
  • SL3000-TH Constant
         T & H Controller
  • SL3000-TH2 Constant
         T & H Controller
• ICT
  • SL1000-OC Outdoor ICT A/C
         controller
  • SL1000-QG Muti functional
         ventilation/ heat
         exchanger 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 AC Controller
  • SL1840-HE Outdoor ICT
         Cabinet Heat Exchanger
         Controller
  • SL2500-SU Shelter Unit
         AC Controller
• Package Unit
  • 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 Unit Ccontroller
  • SL1600-CF4 Four
         Compressors Packaged
         Unit Controller
  • SL1600 MF Mixed Air Heat
         Pump Controller
  • SL2000-ST Package Unit
         Controller
• Humidifier & Dehumidifier
  • SL1900H-ST Humidifier
         Controller
  • SL1900H-EH Humidifier
         Controller
  • SL2000C-ST Dehumidifier
         Controller
  • SL2000C-TY Regulated
         Temperature Dehumidifier
         Controller
  • SL2000M-WZ Dehumidifier
         Controller
  • SL3000-AH Screw Constant
         Temperature Dehumidifier
         Controller
• Air Handling Unit
  • SL2500-TH AHU Controller
  • SL1600-TH2 Constant
         T&H AHU Controller
  • SL2500-AH AHU Controller
  • SL2000-FB AHU Controller
  • SL2000-DK Modular AHU
          Controller
• Chiller/Heat Pump
  • 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 Modular Chiller
         Controller
  • SL2000-ST Chiller Controller
    
• Heat Pump Water Heater
  • SL1600F-HP Heat Pump
         Heater Controller
  • SL1600F-HY Heat Pump
         Heater Controller
• Screw AC Unit
  • SL3000-ST Screw Chiller
         Controller
  • SL3000-SC Screw Chiller
         Controller
• Single Phase Fan Speed
  • SL220S Single Phase Fan
         Speed Controller(slave)
  • SL220M Single Phase Fan
         Speed Controller(stand
         alone)
• Soft starter
  • SL250 Soft starter
• Others
  • SL1600-RZ Cold Room
         Controller
  • SL1800-VF Underfloor Air
         Supply System Controller
  • SL1800-OA Outdoor
         Advertisement AC
         Controller
  • SL2100-ST Outdoor
         Advertisement AC Power
         Controller
    
• HMI
  • SL100 HMI
  • SL200 HMI
  • SL300 HMI
  • SL800 HMI
  • MT500 Touch Panel
• Humidity&Temperature
        Transducer
  • SL180-B Wall-mounted
         Transducer
  • SL180-G Duct-mounted
         Transducer
  • SL180-M Humidity Module
  • SL180-X 485
         Communication Protocol
         Temperature & Humidity
         Transducer
  • Screw NTC probe

The SL220S single phase fan speed controller are electronic voltage regulator that used for asynchronous motors according to 0~10Vdc control signal input. It is used under 50Hz/60Hz, up to 1.8kw load power, to control load such as fans, pumps, mixers, etc.