ADJUSTMENT SECTION –
LIMIT ADJUSTMENT –
Run the opener through a
complete travel cycle.
Limit adjustments are not necessary when the door opens and closes completely and doesn't
reverse unintentionally in the fully closed position.
Situations requiring limit adjustment are listed below. Run the opener through a
complete travel cycle after each adjustment.
Note:
Repeated operation of the opener during adjustment procedures may cause motor to overheat and shut off. Allow a 15 minute cooling peri-
od after 5 continuous operations of the opener.
Read the following carefully before proceeding to Force Adjustment.
Use a screwdriver to make limit adjustments.
If Door Doesn't Open Completely but Opens at Least 1,5m (5 feet):
Increase
up
travel. Turn the
up limit
adjustment screw
(1)
clockwise.
One turn equals 5cm (2") of travel.
If door reverses before reaching the desired UP position:
Adjust
up (open) force
. See Force Adjustment.
If Door Doesn't Close Completely:
If door arm is at maximum length, increase
down
travel.
Turn
down limit
adjustment screw
(2)
counterclockwise. One turn equals 5cm (2") of travel. If
the door still will not close completely, the header bracket is positioned too high.
If Opener Reverses in Fully Closed Position:
Decrease
down
travel. Turn
down limit
adjustment screw
(2)
clockwise. One turn equals 5cm (2") of travel.
If Door Reverses when Closing and there is no Interference to Travel Cycle: Test door
for binding.
Pull manual release handle. Manually open and close door. If door is binding, call
a door serviceman. If door is not binding or unbalanced, adjust
down (close) force
.
20
20
22
3
2
1
1
(2x)
FORCE ADJUSTMENT –
The force, as measured on the closing edge of the door, should not exceed 400N (40kg). If the clos-
ing force is measured to more than 400N, the Protector System must be installed See step 25.
The force setting button is located on the back panel of the motor unit. The force setting regulates
the amount of power required to open and close the door. If the forces are too light, door travel may
be interrupted by nuisance reversals.
Locate the button (1) on the back panel of motor unit. Push the button twice to enter into Force
Setting Mode. The LED (Indicator Light) will flash. Push the wall control or the programmed remote
control that was shipped with your opener. The door will travel to either the OPEN or CLOSE posi-
tion. Push the button again, the door will travel to the opposite position. Push the button again if the
LED is stilling blinking.
The door must travel through a complete cycle UP and DOWN in order for the force to be set prop-
erly. If the unit reverses before it reaches the Open or Close Limit repeat the process. The LED (indi-
cator light) will stop flashing when the force has been learned.
Note:
If unable to set limits return to section 20.
21
1
1
(2x)
13
Содержание Merlin MT5580
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