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Liability – Australia only
Under no circumstances shall the Seller be liable for
consequential, incidental or special damages arising in
connection with the use, or inability to use, the Unit. In no
event shall the Seller's liability for damages or injury arising
from breach of law or contract or for negligence, exceed the
cost of repairing or replacing the Unit or refunding the
purchase price of the Unit.

Under Division 2 Part V of the Trade Practices Act, 1974,
certain warranties and conditions (Implied Terms) are implied
into contracts for the supply of goods or services if the goods
or services are of a kind ordinarily acquired for personal,
domestic or household use or consumption. Liability for
breach of those Implied Terms cannot be excluded or limited
and the limitations and exclusions above do not apply to the
Implied Terms.

Except for the Implied Terms and the warranties set out
above, the Seller excludes all warranties and conditions
implied by statute, at law, in fact or otherwise.

Liability – New Zealand only
Except as set out in the Fair Trading Act 1986 and the
Consumer Guarantees Act 1993:

(a) all other guarantees, warranties and representations in
relation to the Unit or its supply are excluded to the extent
that the Seller can lawfully exclude them; and
(b) under no circumstances shall the Seller be liable for
consequential, incidental or special damages arising in
connection with the use, or inability to use, the Unit, other
than those which were reasonably foreseeable as liable
to result from the failure.

NOTE: We request that you attach your sales docket or
invoice to this manual to enable you to establish the date of
purchase in the unlikely event of a service call being made.
Chamberlain reserves the right to change the design and
specification without prior notification. Some features or
accessories may not be available in certain markets or areas.
Please check with your distributor.

CONTACT DETAILS:

Chamberlain service centres:
Australia
Phone toll free 1800 638 234
Fax toll free 1800 888 121

New Zealand
Auckland phone 09 415 4393
Phone toll free 0800 653 667
Fax toll free 0800 653 663

www.chamberlainanz.com

CHAMBERLAIN LIMITED WARRANTY
Merlin Professional MR850
Roller Door Operator

Chamberlain Australia Pty Limited / Chamberlain New
Zealand Limited (Seller) warrants to the original
purchaser of the Chamberlain Merlin MR850 Roller Door
Opener (Unit) that it is free from defects in material
and/or workmanship for a period of 2 YEARS from the
date of first purchase from the Seller. The DC motor
(only) has a 5 year warranty from the date of first
purchase from the seller when installed on a domestic
door.

Please retain your proof-of-purchase in the unlikely event
you require warranty service.
If, during the limited warranty period, the Unit fails due to
defects in materials or workmanship Chamberlain will,
provided the defective part or Unit is returned freight and
insurance prepaid and well packaged to the nearest
Chamberlain office or authorised installer, undertake to
repair or, at its option, replace any defective part or Unit and
return it to the Buyer at no cost. Repairs and replacement
parts are warranted for the remaining portion of the original
warranty period.

Limited warranty on opener
Chamberlain will furnish a replacement opener free of
charge, if it is found to be defective. Labour costs may apply.
Where the Unit has been installed by an authorised installer,
Chamberlain will furnish replacement parts free of charge
through the authorised installer. A service fee for on-site
service may apply.

In-warranty service
During the warranty period, if the product appears as though
it may be defective, call our toll free service before removal
of the unit. A Chamberlain technician will diagnose the
problem and promptly supply you with the parts for “do-it-
yourself” repairs, or provide you with shipping instructions for
a factory repair or replacement. If an authorised installer
installed your Unit you must call them for prompt on-site
service.

If our service centre determines that a warranty claim has
been made in respect of a failure or defect arising out of any
exclusion detailed below, we may charge you a fee to repair
and/or return the Unit to you.

Exclusions
This warranty does not cover any failure of the Unit due to:
1. non-compliance with the instructions regarding
installation, operation, maintenance and testing of the Unit or
of any product with which the Unit is used.
2. any attempt to repair, dismantle, reinstall or move the
Product to another location once the Product is installed by
any person other than an authorised installer.
3. tampering, neglect, abuse, wear and tear, accident,
electrical storm, excessive use or conditions other than
normal domestic use.
This warranty does not cover any problems with, or relating
to, the garage door or garage door hardware, including but
not limited to the door springs, door rollers, door alignment
or hinges, any problems caused by electrical faults,
replacement of batteries or light bulbs or labour charges for
reinstalling a repaired or replaced Units.

18

Summary of Contents for Merlin Professional MR850

Page 1: ...arage 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 INST...

Page 2: ...y 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 servic...

Page 3: ...rtain to the 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...

Page 4: ...ide Install the stop collar on the opposite end to where the opener is to be installed Fit the stop collar hard against the boss of the door drum Ensure the U bolt holding the door shaft to the door b...

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: ...ure 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 or...

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: ...he opener 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 Tw...

Page 11: ...ur 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 section professional LRN Press LRN or LED will FLASH TO A...

Page 12: ...ice 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 con...

Page 13: ...lock SRDLK01 2 24VDC power output for external devices 3 Voltage free door monitoring output 4 The Protector SystemTM C77 IR Beams 5 Multi function wall control C98 6 Standby Power Unit battery backup...

Page 14: ...including motor 041A6812 Sungear kit MR850 041A6813 Front upper housing MR850 041A6814 Base housing MR850 041D6637 PCB for MR850 041A6778 Removable cover sub assembly 041A6815 230V 105VA transformer f...

Page 15: ...ol 7 Model C840 Keyless entry system 8 Model C379 Wireless finger print access system 9 Model C98 Motion detecting control panel 10 Model 760 Outside keyswitch 11 Model CM1702 Outside quick release 12...

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: ...alanced or 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 rever...

Page 18: ...turns off automatically after 2 1 2 minutes MAINTENANCE OF YOUR OPENER Once a Month Repeat safety reverse test Make any necessary adjustments sections 13 14 Manually operate door If it is unbalanced o...

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

Page 20: ...C Copyright of Chamberlain 2008 114B3630...

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