The optimized level control ENC2 for oils and refrigerants has been taken into ESK Schultze sales program on customer request. The sensor is designed to recognize oils and refrigerants in oil reservoirs and liquid receivers. The electronic module can be used as minimum or maximum level control. The information about the level situation into a vessel is signaled over a relay. The optoelectronic sensor sends infrared light by a LED, in case of no available liquid the light is reflected by the prism to the light receiver.
The removable connection between prism and electronic module allows the change of electronic without opening refrigeration cycle. ESK components can be equipped with a direct sensor connection on request. The electronic components of the module are selected according industrial standard. Therefore ENC2 is applicable for the described temperature range.
escription of function
The relay trips 3 seconds after connecting the supply voltage, if liquid level is available (LLC) / not available (HLC).
During a level change on the prism the electronic checks condition for 3 seconds before it reacts. The delay prevents high switching rates at not clear conditions e.g. formation of foam, bubbles in liquid.
|LLC =||· Red LED light – System works Level above center sight glass
· Red LED flash – System works Level lower center sight glass – alarm
|HLC =||· Red LED light – System works Level above center sight glass – alarm
· Red LED flash – System works Level lower center sight glass