Timer-To-Close - Chamberlain Merlin Whisper Drive MT3850EVO Installation And Operating Instructions Manual

Whisper drive sectional garage door opener
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TIMER-TO-CLOSE FEATURE (TTC)
Door may operate unexpectedly, therefore do not
allow anything to stay in the path of the door.
NOTE: Requires The Protector System
The Timer-to-close feature allows the door to automatically close after a specified time period that can be adjusted using the
door control buttons (figure 1). Prior to the door closing, the 'Alert-2-close' feature activates audible (garage door opener beeps)
and visual alerts (garage door opener lights flash) for 8 seconds before the door begins to close.
If the door encounters an obstruction while closing, the opener will make a second attempt to close the door. If an obstruction
occurs on the second attempt, the garage door opener will open, stop and WILL NOT close until the obstruction has been
cleared, and the opener has been operated again.
Factory DEFAULT is OFF.
The opener will automatically detect The Protector System
remain unobstructed). The Opener will not close unless these beams are aligned correctly (LEDs on the sensors should be solid).
OFF = 1 long flash
1 min = 1 short flash
5 min = 2 short flashes
10 min = 3 short flashes
Enabling TTC using the buttons in Opener
Door must be in the closed position to commence the setup procedure.
With the door closed press and hold DOWN arrow button for 3 seconds to enter setup mode, when activated LED indicator will flash.
Press the Yellow learn button to toggle the 4 available modes shown below. The small LED indicator will flash the number of times
according to time delay set. Press Black rectangle button (learn limits button) to set and exit.
INSTALLING YOUR WIRELESS E128M WIRELESS WALL BUTTON
Disconnect power to the opener whilst installing this
accessory to prevent accidental activation.
Locate minimum 1.5 m above the floor
To install:
• Carefully pry open the E128M and locate the two screws for
mounting.
• Attach to the wall using the two screws and wall anchors provided
if mounting to a plaster wall. If using a recessed wall box do not
use anchors.
NOTE: Do not overtighten screws.
NOTE: The wall control supplied with your opener should be pre-programmed by the factory.
If adding a new wall control, program into the opener before mounting the unit as detailed in the next section.
(IR Beams) installed.
TM
when it is installed for 5 minutes (during this time the beams must
TM
20
Figure 1
Learn
Button
LED
Battery
Status
LED
UP Arrow
Button
Learn Limits
Button
DOWN Arrow
Button
+

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