4-12 Adjustments and Status LEDs
Magnum 4A Control Wiring and Adjustment Manual www.NabcoEntrances.com
Part #C-00084 Rev. 9-09-16
point. Potentiometer settings might need to be adjusted accordingly. After each adjustment, wait at least 5
seconds before testing.
All electrical troubleshooting or service must be performed by trained, qualied
technicians and comply with all applicable governing agency codes.
Table 4-2 Potentiometers
Potentiometer Description
Stop X Stops or slows door when object is detected in path of opening door (not yet in
X
•
•
X Also adjusts the power to the motor when the door is held open for extended periods
the motor overheating at hold open allowing the door to close as well as reducing
stress on mechanical and electrical components. To adjust power applied to the door
be reduced according to the “STOP” setting. If the door begins to slowly drift close
full open position. Door should hold open and not drift close.
If door still drifts close, continue increasing STOP power until the door holds
open against the door stop.
Each time an adjustment is made, the door must be allowed to close, and then
Event Action
Object is detected in path of
opening door by Door Mounted
Sensor that is mounted on swing
side of door and connected to
X
X
X
Open Sets opening speed of door.
Event Action
Door opened at wrong speed. X
X
X
Event Action
adjustment.
X
X
X
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