SAFETY DEVICES
Standard Photoelectric beams (100263)
(Supplied)
Your Merlin Professional gate motor is
supplied with one set of 100263 PE safety
beams. To avoid possible damage or
personal injury the PE beams MUST be
installed, if no other safety devices are fitted.
The 100263 requires 4 wires from the RX or
Receiver to the control board and 2 wires
from the TX or transmit side.
Optional 2 Wire Beams (771E)
Required for Autoclose function.
LED STATUS at the Chamberlain failsafe
photocell (771ANZ)
LED constant = OK
LED flashes = photocell disables control
board
LED off = no current, incorrect connection or
polarity
On Board LED STATUS
LED off = OK
LED on constantly = control board
disables
LED flashes = OK no photocell
connected
Cable cross-section: 0.5 mm
2
or more.
Voltage: 12/24 volts AC/DC.
Do not run in parallel to high voltage.
Control pairs must be in separate sheaths
(i.e 2 x 2 wires not 4 core).
100263 (supplied)
2 1
1 2 3 4
Close Beam (approx 200mm)
Close Beam (approx 700mm)
Open beam any height
Jumper must be off (default)
Jumper must be installed.
To install see notes below.
Other Safety Devices:
Programming of failsafe photocells model 771ANZ (Set up procedure)
NOTE: Install before running final setup
Installing
- Turn off power to the motor and control board
- Place jumper onto JMP1 as illustrated
- Dipswitch 5 to “ON”
- Connect photocell(s) according to the illustration
- Turn power off for approx 10 seconds
- Remove the jumper pin after about 30 seconds.
Programming of relay photocells such as 100263
The control board must be disconnected from the mains for a few seconds. All unused terminals MUST BE
BRIDGED to COM (16-19,17-19,18-19). The power supply for the relay photocell of terminals 14-15.
• Dip switch 5 must be at OFF.
• The jumper must be unplugged.
IMPORTANT:
Operation without photocells is not recommended.
If no safety beams are installed all unused safety terminals must be bridged, and jumper must be off.
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