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“ Is black positive or negative potted ”

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Answer
How do you test the potted circuit breaker or potted module on an EL device?
For Potted Modules (black color) shipped before August of 2012, you can test by applying power to the potted circuit breaker to and if good the following voltages will be seen (be careful...
Why is my Von Duprin Chexit device not lighting up or arming?
Devices were shipped from the factory with motor driven after 8-24-2015. First confirm that you are using PS900 series (902,904,906 or 914) power supply.      1. Mea...
Devices were shipped from the factory with solenoid driven prior to 8-24-2015.  First confirm that you are using a PS873 or PS914 power supply.Measure the DC voltage at the ten wire hardness a...
Can you connect an external horn to a Chexit device?
Chexit devices shipped after 8-24-2015 with motor driven:Use the Alarm Relay Contacts on Field Wiring Cable, blue and brown wires of the Chexit device.Connect the blue wire to +24VDC (red wire on F...
Chexit devices shipped prior to 8-24-2015 with solenoid driven:Use the external alarm contact, blue and brown wire on Chexit device.Connect the blue wire to the red wire and connect the brown wire ...
What size wire and run is recommended when using a PS914-2RS?
For Product Shipped Prior to August 2012 using the old (black) potted module:a.       0-100 ft 14 gauge wireb.      0-200 ft 12 gauge wire&nbs...
What wire gauge and run is recommended for Von Duprin electric latch retraction EL device?
  For Product Shipped Prior to August 2012 using the old (black) potted module: a.       0-100 ft 14 gauge wire b.      0-200 ft 12...
 
What would cause an EL device to pull and release?
If your Von Duprin EL (solenoid) device pulls and releases quickly instead of holding the latch retracted, please check all of the items below.In most cases, one or more of these solutions will r...