Additional specifications and description
Replacement circuit for ST2R1 and ST2R4-series
ST2R1 and ST2R4-series are fan speed controllers with a built-in day-week timer. They can switch between two optimal motor speeds (high-low control). The TK monitoring function deactivates the motor in case of overheating. This electronic circuit board controls the day-week timer with LCD display of the Sentera ST2R1 and ST2R4 series transformer fan speed controllers.
This pcb can be used as a spare part for following article codes: