For overhead type doors with standard lift, high lift or vertical lift hardware, also for rolling service doors and grilles. Many other types of doors can be equipped with this operator, providing the door has a shaft as the basic driving element. LJ Model has a floor lever disconnect device which allows a person to disengage the operator from the door and operate door by hand in the event of power failure, electromechanical disengagement is provided. Limit switches will not go out of adjustment when door is used manually. LJH Model is essentially the same as LJ but equipped with hand “chain hoist”, permitting manual operation of the door from floor, in case of power failure. All other features remain the same.
DC2000 DEDICATED LOGIC CONTROLLER USED IN CONJONCTION WITH LJ-LJH ELECTRIC OPERATORS
The DC2000 dedicated logic controller has been designed to accept, and operate with, any automatic or manual activators without the need of programming. A slide switch has been provided to select manual or automatic mode.
If manual mode is selected the following controls can be used to activate the door.
Push button open/close/stop
Remote radio control system
If automatic mode is selected, in addition to the manual mode activators, an automatic closing (timer) adjustable from 10 to 180 seconds is in effect when the door is in the full open position, ready to signal the closing cycle after a predetermined delay. Connections for red and green warning lights is provided as well.
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