6
Mount control Unit approximately 1.6m from the floor out of the reach of children. Use No. 4x1”
self-tapping screws and rawlplugs. Ensure aerial is clear of all steel supports and coiled electrical
leads. Fit plug from motor unit into bottom of Control Box.
Connect the control unit power cord to an adjacent socket. Ensure that the socket is properly
earthed.
SETTING TOP AND BOTTOM LIMITS
N.B.: Right Hand Installations only. If left hand, limit switch will be reversed.
STEP 1
Remove Limit Switch Cover Plate
(See
Figure 6) by carefully pressing off
with a small screwdriver.
STEP 2
Top limit cam “T” controls open
position of door.
Bottom limit cam “B” controls closed
position of door.
STEP 3
Slightly loosen the three retaining
screws so that the cams can be easily
moved.
(See Figure 7).
Figure 7
STEP 4
Ensure that the manual release lever is still in the “disengaged” position, and manually raise the
door until it is approx 100mm from the top stop position.
STEP 5
Rotate cam “T” (in the same direction that it was moving as you were manually raising the door) so
that it actuates the top Limit Switch.
STEP 6
Manually lower the door until it is touching the ground.
STEP 7
Rotate cam “B” (in the same direction that it was moving, as you were manually lowering the door)
so that it actuates the bottom Limit Switch.
STEP 8
Tighten the three retaining screws so that the cams will not move.
