Nabco Magnum 4A Control Wiring And Adjustment Manual page 17

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Rev. 7-03-14
LCHK
Potentiometer
(Latch Check Adjustment)
(Not used on 710/8310/8710)
CLOSE
(Closed Speed Adjustment)
(Not used on 710/8310/8710)
Current Limit
Adjustments and Status LEDs
Sets Latch Check speed from last 10° of sweep to the full closed position.
Full Automatic door
1.5 - 5.0 seconds / 10 degrees
Low Energy door
Latch Check speed requires adjustment.
Event
Sets Closing speed of door.
Note: The GT-710 uses the LCN closer to regulateclosing and latch check speed.
Full Automatic door
3.0 - 12 seconds / 80 degrees
Low Energy door
Closing speed speed requires adjustment.
Event
Adjusts how hard the door will push against an obstacle (while opening) before recycling.
Note: The GT-710 uses the LCN Closer to regulate closing and latch check speed.
• Current Limit is affected by Opening Speed. Set Opening speed first.
• Current Limit adjustment should be set to fully clockwise position until all other
adjustments are made to the door and door operation is satisfactory.
Recycle sensitivity needs adjusting.
Event
To satisfy ANSI 156.19 Low Energy Standards, settings for GT-500 or GT-710 must be
adjusted according to door weight and speed.
X
Strong wind gusts against door may inadvertently cause Current Limit to engage and
stop door from opening.
X
Magnum 4A Control Wiring & Adjustment Manual
Description
Recommended start position 11
o'clock.
X
Clockwise
• Increases Latch Check speed.
X
Counterclockwise
• Decreases Latch Check speed.
X
Recommended start position 12
o'clock.
X
Clockwise
• Increases closing speed.
X
Counterclockwise
• Decreases closing speed.
X
Recommended setting fully clockwise
position until all other adjustments
X
are made.
When recycle is triggered, door will
stop and coast to a close. Wait at least
X
(5) seconds before Reactivating.
Current Limit is affected by Opening
Speed. Set Opening speed first.
X
Clockwise
• Decreased Recycle Sensitivity.
X
Counterclockwise
• Increased Recycle Sensitivity.
X
Part #15-10682
Action
Action
Action
4-15