The GRC digital fan speed controller is a temperature and relative humidity dependent speed controller for areas with inlet and exhaust air flow. The minimum motor speed adjustment, relative humidity/temperature and negative pressure setpoint can be adjusted by external trimmers.
The GRC has a slide switch for choosing only temperature or relative humidity and temperature setting, minimum and maximum speed can be adjusted internally by trimmers. They have a separate On/Off switch with the possibility to bypass or to branch off 230 Vac. They are over voltage protected by a varistor and have a built-in over current fuse.
The GRC uses Sentera’s digital relative humidity/temperature sensor FLTS-RH-010 or the analog temperature sensor FTSP-500-010 which has to be ordered separately.
230 Vac - 50 Hz - 10 A (2 X 5 A output)
Internal minimum and maximum speed setting
Dewpoint/Temperature program (mode) selectable by slide switch
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