LiftMaster HCT HCT501130 Manual - Page 20

SECONDARY ENTRAPMENT PROTECTION Secondary Entrapment Protection (Contact Sensor) Edge Sensor Wiring When touched, the electrically activated edge sensors immediately signal the door/gate operator to stop and reverse. Property owners are obligated to test edges regularly. ®OmniControl Surge Suppressor P/N Q410 Patent Pending 123456 7 8 9 10 11 12 13 G BA M/S Link Center Loop Safety Loop - Exit Fire Dept Strike Open Loop Key Switch Push Button + Radio Receiver Class 2 Supply 24 Volts DC UL Listed Edge Sensor (3-Sided Activation) Note: If multiple sensors are being used, all of the edge sensors are to be connected in parallel at the sensor input on the OmniControl board. UL Listed Edge Sensor (3-Sided Activation) If you are going to use a contact sensor as a secondary entrapment protection, you should use a recognized component to comply with the revised UL325 intended to be used in class I or class II gate operator. 18