Product Review

This case fan speed controller is specially designed for 4-wire PWM controlled cooling fan supporting auto and manual speed control mode.On-board momentary push button swtich to set the temperature control range and working mode ideal for computer chassis cooling fan speed control.

Specifications:
Working Voltage:DC 12V
Working Current:3A
Temperature Sensor Probe: 50K 3950
Speed Output Control Range:10%-100%
Module Size:34X19X11mm/1.34X0.75X0.43inch(L*W*H)

Package Included:
1X 4 Wire PWM Case Fan Thermostat Speed Controller
1X Temperature Sensor Probe

Working Mode Setting Instructions
Manual Mode:do not install the temperature sensor,then single press (increase)/double press(decrease) the button to change the fan speed(after change the speed and wait 20s, it will save the setting automatically,during this process,the 2th indicator will flash,when the speed can not increase or decrease, the 3 and 1 indicator will flash)
Auto temperature control mode:install the temperature sensor,the manual set speed as the intial speed,when the temperature reach the speed-up temperature(Tu),the fan will speed up,when the temprature reach the full speed temperature, the fan will rotate in full speed.(the setting instructions please refer to the picture)
Fan Shutdown Mode:support non shutdown working mode(1);2 degree lower than than speed up temperature(Tu) will shutdown(2);5 degree lower than than speed up temperature(Tu) will shutdown(3). power off the module, then press the button but do not release and power on the module until 3 indicators flash at the same time to enter the mode setting, press the button to change the mode,after setting, long press the button to save the working mode.