Owner Installation Instructions
GDO-8 Shed Master®
13
Setting Limits
5. Fixing of door curtain to drumwheel
The door curtain has to be secured to the drum wheel
with suitable fasteners. This prevents unauthorised
access through the door by pushing the curtain up and
off the drum.
1. With the door in the fully closed position, mark the
curtain
(Fig. 07)
on both ends of the door.
2. Open door slightly to have access to the marked
positions. Secure the curtain to drum wheel using
self drilling screws (two on each end). The screws
should be at least 90 degrees apart.
6. Setting Limits
6.1 Connect Power to the Powerhead
Plug the power cord into a mains point and switch power
on. The red CLOSE LIMIT LED will be fl ashing.
6.2 Coding transmitter for setting limits
1. Press and hold the Door Code button
(Fig. 09).
2. Press button 1
(Fig. 11)
on the transmitter for
two seconds.
3. Release and pause for two seconds.
4. Press the same button transmitter again for
two seconds.
5. Release the Door Code button.
NOTE:
If PE Beams are to be used they must be
installed before setting the travel limits.
WARNING:
The safety obstruction detection
system is inoperable while MINUS (-) and PLUS (+)
drive buttons are being used and travel limits are
not set.
IMPORTANT NOTE:
The OPERATE button will
not function until the open and close limits
positions are set.
07
fi g
Drum wheel
90°
