Von Dupring EL troubleshooting coils

RELATED FAQS

Question
Answer
The best way to test the Von Duprin EL solenoid is with an ohm meter. You must test both coils to make sure the solenoid is good. The coil has three wires; green, yellow, and orange. The green...
The potted circuit breaker for the Von Duprin EL device does the switching from the 16 amp pull coil on the solenoid to the .33 amp holding coil of the solenoid.
Following items could cause the DC output on PS914 series power supply to drop when access control is activated. Wrong gauge wire from power supply to the the power transfer. Excessive wire run...
If voltage going into the solenoid is much higher than 24VDC it could cause the solenoid to get hot. Check the power supply output voltage to confirm. If the holding coil on EL solenoid is shor...
The 900-2RS is recommended to be used with EL devices but if you have a 900-2Q with PS914 power supply it can be used to operate up to two EL or one EL and one QEL devices .
Use a normally closed fire alarm as the input to the power supply option board (PS873-2 or PS914-2RS), this will hold the latch retracted.  During a fire alarm, the contact will open, dropping...