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pneumatic latch retraction installation instructions
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PNEUMATIC LATCH RETRACTION
Resolution:
PN:
What are Pneumatic Automatic Operators?
Resolution:
Pneumatic Automatic Operators are used in areas where electrically operated devices are not convenient or permitted. Consists of a modified, heavy-duty door closer for manual oper...:
What wire gauge and run is recommended for Von Duprin electric latch retraction EL device?
Resolution:
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Where can I find templates for the 237L two point latch device?
Resolution:
Click HERE for the instruction and template for 237L device.:
Can the Von Duprin EL option be added to any existing 98/99 device?
Resolution:
The Von Duprin EL option can be added to any existing 33A/35A, 98/99 series exit devices. :
How do I wire an EL device to normally hold open the latch and release it during a fire alarm?
Resolution:
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...: