Auto-Close - Chamberlain Merlin Professional MT230 Installation And Operating Instructions Manual

22
SETTING AUTO CLOSE (OPTIONAL)
NOTE: The Protector System
to enable this feature.
The auto close feature will automatically close the
garage door after the preset time. The time can be
adjusted up to 180 seconds using the trim pot located
on the control board. Auto close can be disabled by
adjusting the trim pot to the 0s/off setting.
Auto close is NOT recommended for
households with young children.
Installing and adjusting:
• Close the garage door.
• Turn the opener off.
• Remove the lamp cover.
• Ensure the trim pot on the opener is set to the 0s/off.
• Install The Protector System
wires and instructions provided with the product.
Twist the two white (only) wires together and termi-
nate them into the white (2) terminal. Twist the two
white/black wires together and terminate them into
the grey (3) terminal.
• Turn the opener on.
• Allow 5 minutes for the beams to self-learn to the unit
(do not walk through the beam during this time).
Do not adjust the trim pot whilst the door is
in the open position.
Door will activate when the trim pot is adjust-
ed in the open position
• Ensure the door is in the closed position, then adjust
the trim pot to the desired closing time by turning the
"timer to close" trim pot anti-clockwise (label indi-
cates approximate Timer To Close values).
Test the timer to close feature:
• Once the timer is set open the door and allow it to
close via the "timer to close" feature.
NOTE: If more or less time is desired, adjust the
trim pot whilst the door is closed then repeat test
outlined above.
MUST be installed
TM
using the brackets,
TM
Fig. 1
14
manual control
2 3 1
12Vdc
+ IR
com P/B
remove
for setup
roller:L
R
roller:L R
open
180s 60s
timer to
close
0s/off
operate
learn
close
manual
control