Automatic Technology GDO-4 EasyRoller Installation Instructions Manual page 11

NOTE: If the door has not reached the desired limit position by
more then 30mm, then it is recommended that the green limits
cam be adjusted again before the green fine adjustment screw is
adjusted.
CLOSE LIMIT ADJUSTMENT
Press in and hold the red Close button. (Fig. 16). The door
should start closing. Release the red Close button when the
door reaches the desired closed position. If the red LED
(Fig. 16) is illuminated and the desired limit position has been
reached then the limit adjustment is complete. If the red LED is
illuminated but you are not happy with the door close position,
the red Fine Adjustment Screw (Fig. 16) can be adjusted to fine
tune the close position. Adjust the screw anticlockwise to close
the door less. To close the door more adjust the red Fine
Adjustment Screw clockwise. Each complete revolution of the
adjustment screw is equal to approximately 10 mm of door
travel.
NOTE: If the door has not reached the desired limit position
by more then 30mm, then it is recommended that the red
limits cam be adjusted again before the red fine adjustment
screw is turned.
6.2 SETTING LIMITS FOR LEFT HAND
INSTALLATION
1. With the drive unit in manual mode (Fig. 17) move the door
up by hand to the desired open position.
2. Remove the light diffuser (Fig. 17). Rotate the green limit
cam by hand in a clockwise direction (Fig. 18) until the cam
clicks the open limit switch.
3. Move the door down by hand to the desired closed position.
4. Rotate the red limit cam by hand in an anticlockwise
direction (Fig. 19) until the cam clicks the close limit switch.
5. Connect the power lead from the drive unit into, a general
purpose power outlet installed by a licensed qualified
electrical contractor. Make sure that the power lead is safely
fastened away from any moving parts. Turn the power on.
6. Re-engage the drive gear by pulling down on the string
and then releasing slowly (Fig. 17).
SETTING LIMITS
PRESS HERE
(BOTH SIDES)
AND PULL DOWN
TO REMOVE THE
LIGHT DIFFUSER
11
FIG. 16
FIG. 17
PULL MANUAL
RELEASE HANDLE
DOWN TO
DISENGAGE OR
RE-ENGAGE