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CONTENTS

PAGE

SAFETY INSTRUCTIONS . . . . . . . .1
CARTON INVENTORY . . . . . . . . . .2
TOOLS REQUIRED . . . . . . . . . . . .2
DOOR REQUIREMENTS . . . . . . . .2
PREPARE & TEST THE DOOR . .3-4
INSTALLATION . . . . . . . . . . . . . .5-6
CONNECT ELECTRIC POWER . . .6
ADJUSTMENT . . . . . . . . . . . . . . .7-8
INSTALL THE PROTECTOR
SYSTEM . . . . . . . . . . . . . . . . . . . . .9

WIRELESS PROGRAMMING .10-11
SPECIAL FEATURES . . . . . . . . . .12
SPARE PARTS . . . . . . . . . . . . . . .13
ACCESSORIES & WIRING . . . . . .14
DIAGNOSTIC CHART . . . . . . . . . .15
TROUBLESHOOTING . . . . . . . . .16
MAINTAINING YOUR OPENER . .17
CARE OF YOUR OPENER . . . . . 17
OPERATION OF YOUR OPENER 17
SPECIFICATION . . . . . . . . . . . . . .17
WARRANTY . . . . . . . . . . . . . . . . .18

The opener must not be used on a wicket
door (door within a door).

The Protector System

TM

must be used for all

installations where the closing force as
measured on the bottom of the door is over
400N (40kgf). 
Excessive force will interfere
with the proper operation of the safety reverse
system or damage the garage door.

After installation, ensure that the parts of
the door do not extend over public
footpaths or roads.

Install the wireless wall control (or any
additional wall control) in a location where
the garage door is visible, at a height of at
least 1.5m and out of the reach of children.
Do not allow children to operate push
button(s) or transmitter(s). 
Serious personal
injury from a closing garage door may result
from misuse of the opener.

Permanently fasten the Warning Labels in
prominent places, 
adjacent to wall controls
and manual release mechanisms as a
reminder of safe operating procedures.

Activate opener only when the door is in
full view, free of obstructions and the
opener is properly adjusted. No one should
enter or leave the garage while the door is
in motion.

Do not allow children to play near the door,
or door controls.

Disconnect electric power to the garage
door opener before making repairs or
removing covers.

KEEP THESE INSTRUCTIONS

WARNING

• Failure to comply with the following instructions may result in serious personal injury or property damage.

• Read and follow all instructions carefully.
• The garage door opener is designed and tested to offer safe service provided it is installed and

operated in strict accordance with the instructions in this manual.

These safety alert symbols mean WARNING : A possible risk to personal safety or
property damage exists.

NOTE: If your garage has no service entrance door, a CM1702 outside quick release must be installed.
This accessory allows manual operation of the garage door from outside in case of power failure.

Keep garage door balancedDo not let the
garage door opener compensate for a binding or
sticking

garage

door.

Sticking,

binding

or

unbalanced doors must be repaired before
installing this opener.

Do not wear rings, watches or loose clothing
while installing or servicing a garage door opener.

Frequently examine the door installation, in
particular cable, springs and mountings for signs
of wear, damage or imbalance. Do not use if
repair or adjustment is needed since springs and
hardware are under extreme tension and a fault
can cause serious personal injury.

To

avoid

serious

personal

injury

from

entanglement, remove all ropes, chains and
locks connected to the garage door 
before
installing the door opener.

Installation and wiring must be in compliance
with your local building and electrical codes.

The safety reverse system test is very
important. 
Your garage door MUST reverse on
contact with a 40mm obstacle placed on the floor.
Failure to properly adjust the opener may result in
serious personal injury from a closing garage
door. Repeat the test once a month and make
any necessary adjustments.

This appliance is not intended for use by persons
(including

children)

with

reduced

physical,

sensory or mental capablities, or lack of
experience and knowledge, unless they have
been given supervision or instruction concerning
use of the appliance by a person responsible for
their safety.

This opener should not be installed in a damp
or wet space exposed to weather.

START BY READING THESE IMPORTANT SAFETY INSTRUCTIONS

Summary of Contents for Merlin Professional MR650

Page 1: ...g Garage Door Opener Installation and Operating Instructions Owners Copy Please keep these instructions for future reference This manual contains IMPORTANT SAFETY information DO NOT PROCEED WITH THE I...

Page 2: ...d and follow all instructions carefully The garage door opener is designed and tested to offer safe service provided it is installed and operated in strict accordance with the instructions in this man...

Page 3: ...e edge of the bracket If the roller door drum is on the edge of the curtain or is a smaller diameter additional clearance may be required If the drum is more than 60mm from the curtain edge or of a sm...

Page 4: ...against the boss of the door drum Ensure the U bolt holding the door shaft to the door bracket is tightly secured INSTALLING THE STOP COLLAR 5 Place the weight in the centre of the door as shown Use a...

Page 5: ...shown Secure with an overhand knot at least 25mm from the end of the rope to prevent slipping Thread the other end of the rope through the loop of the manual release cable Adjust rope length so the ha...

Page 6: ...ive leg and fix in place using screws provided Slide the reinforcing brace over the poles and fix in place using the screws provided ATTACHING EXTENSION POLES IF REQUIRED 10 LEFT RIGHT HAND INSTALLATI...

Page 7: ...nsions may be necessary refer section 10 Refit the door mounting bracket to the wall If the door bracket needs to be relocated due to opener width refer section 3 Clamp the opener on the door axle and...

Page 8: ...Ensure the door is positioned halfway the opener is engaged and the power is turned on Press and hold the LMT Limit button until the orange indicator LED starts flashing and then release Either right...

Page 9: ...your installation and successfully carried out the safety reverse system test outlined above install the warning labels provided with your opener as shown The risk of entrapment label must be install...

Page 10: ...pener off Install the Protector SystemTM using the brackets wires and instructions provided with the product Twist the two white only wires together and terminate them into the white 2 terminal Twist...

Page 11: ...should be pre programmed by the factory If adding a new wall control program into the opener before mounting the unit as detailed in section 19 professional LRN Press LRN or LED will FLASH TO ADD Tran...

Page 12: ...e on the keypad 2 then press and hold the ENTER button 3 Release the button when the opener courtesy LEDs flash once 3 the code is learned Alternate programming method using the motion detecting contr...

Page 13: ...DC power output for external devices MR850 only 3 Voltage free door monitoring output MR850 only 4 The Protector SystemTM IR Beams C77 5 Motion detecting control panel C98 6 Standby Power Unit battery...

Page 14: ...2B1600 22 SPARE PARTS 041A6811 Mount plate sub assembly MR850 including motor 041A6812 Sungear kit 041A6813 Front upper housing 041A6814 Base housing MR850 041A7292 Base housing MR650 041D6637 PCB for...

Page 15: ...less finger print access system 8 Model C98 Motion detecting control panel 9 Model 760 Outside keyswitch 10 Model CM1702 Outside quick release 11 Model C77 The Protector System IR Beams 12 Model FLA24...

Page 16: ...or flashing Realign receiving eye sensor clean lens and secure brackets Symptom The RPM Sensor Short travel 150 200mm 6 8 Unplug unit to reset Try to operate opener check diagnostic code If it is sti...

Page 17: ...r binding call a trained door systems technician Clear any ice or snow from the garage floor area where the door closes Repeat the limit and force setting in section 13 14 Repeat safety reverse test a...

Page 18: ...necessary adjustments sections 13 14 Manually operate door If it is unbalanced or binding call for professional garage door service Check to be sure door opens and closes fully SPECIAL NOTE Chamberlai...

Page 19: ...nd or workmanship for a period of 2 YEARS from the date of first purchase from the Seller The MR850 DC motor only has a 5 year warranty from the date of first purchase from the seller when installed o...

Page 20: ...114B3630D 2009 The Chamberlain Group Inc TM Trademark of The Chamberlain Group Inc Registered Trademark of The Chamberlain Group Inc...

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