OPERATION OF YOUR OPENER
Your opener can be activated by any of the following
devices:
• The Up and Down arrow
Press the button until door starts to move.
• The outside keyswitch or keyless entry system (if
you have installed any of these accessories).
• The Transmitter or Wireless Wall Control (E128M)
Hold the push button down until the door starts to move.
When the opener is activated by transmitter, Up or
Down buttons:
• If open, the door will close. If closed, the door will open.
• If closing, the door will stop.
• If opening, the door will stop (allowing space for entry
and exit of pets and for fresh air).
• If the door has been stopped in a partially open or
closed position, it will reverse direction.
Obstruction behaviour:
• If an obstruction is encountered while closing, the door
will reverse.
• If an obstruction is encountered while opening, the door
will reverse and stop.
• The optional Protector System™ uses an invisible beam
which, when broken by an obstruction, causes a closing
door to open and prevents an open door from closing. It
is STRONGLY RECOMMENDED for applications where
young children may be present.
Opening the door manually:
The door can be opened manually by pulling the
release cord down firmly.
To re-engage the door, pull the release cord down firmly.
The opener light will turn on:
• when opener is initially plugged in;
• when the power is briefly interrupted;
• when the opener is activated.
(the light turns off automatically after 2-1/2 minutes.)
MAINTENANCE OF YOUR OPENER
Once a Month:
• Manually operate door. If it is unbalanced or
binding, call for professional door service.
• Check to be sure door opens and closes fully.
Set limits and/or force if necessary.
• Repeat the Safety Reverse test. Make any
necessary adjustments.
• Every 6 months retension the opener clamp bolts,
refer to Section 10.
SPECIAL NOTE: Merlin strongly recommends that the Protector System
TM
be installed on all door openers.
CARE OF YOUR OPENER
When properly installed, your opener will operate
with minimal maintenance. The opener does not
require additional lubrication.
Limit and Force Settings: These settings must be
checked and properly set when the opener is
installed. Weather conditions may cause some minor
changes in the door operation, requiring some re-
adjustments, particularly during the first year of
operation. Refer to limit and force setting in, section
11.
Follow the instructions carefully and repeat the
safety reverse test after any adjustment.
Transmitter: Additional transmitters can be
purchased at any time. Refer to Accessories. Any
new transmitters must be programmed into the
opener.
Transmitter battery: If transmission range decreases,
replace the battery.
19
Door should be fully closed if possible.
Weak or broken springs could allow an
open door to fall rapidly. Property damage
or serious personal injury could result.
SPECIFICATIONS OVERDRIVE
TM
(MRC950EVO)
Input Voltage: 230-240 VAC, 50 Hz, 110 W
Rated Load: 40 Nm
Max.Pull Force: 1300 N @ O300 mm
Max. door weight 250 kg
Max lift under spring tension 20 kg
Max. door area: 25.0 m
2
Max. door area for
windlocked doors: 18.0 m
2
Standby Power: < 1 Watt
Drive: DC gearmotor permanent
lubrication
Max. Drum Rotations: 4
1/
2
Memory Registers: 64
Operating Frequency: 433.30/433.92/434.54 MHz
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