Summary of Contents for Chamberlain merlin professional MR850
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www.chamberlainanz.com www.chamberlainanz.com MR850 professional MR850/MR650 Rolling 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 INSTALLATION BEFORE READING THOROUGHLY...
START BY READING THESE IMPORTANT SAFETY 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.
TESTING THE DOOR Complete the following test to ensure your door is well balanced, and not sticking or binding: • Disable all locks and remove any ropes connected to the garage door. • Lift the door to about halfway and then release it. The door should remain spring balanced.
THE RELEASE HANDLE & CORD • Thread one end of the rope through the hole in the top www.chamberlainanz.com MR850 of the red release handle so that “NOTICE” reads right side up as shown. • Secure with an overhand knot at least 25mm from the professional end of the rope to prevent slipping.
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ATTACHING EXTENSION POLES (IF REQUIRED) Optional accessory not provided • Align the extension pole holes with the drive legs. • Insert the extension poles into the drive leg and fix in place using screws provided. • Slide the reinforcing brace over the poles and fix in place using the screws provided.
INSTALLATION PROCEDURE Do not allow people to walk under or around the door during the installation process as serious injury can occur. NOTE: The opener can be installed on either side of the door. The following instructions are for Rope RIGHT HAND INSTALLATIONS (as illustrated i.e.
SETTING THE LIMITS & RIGHT OR LEFT OPERATION Travel limits set how far your door goes up and down. Your opener must be configured correctly for right or left hand installation to operate correctly, if not the door will rotate in the reverse direction. NOTE: The MR850/MR650 opener is factory configured for right hand installation.
SETTING THE FORCE The force, as measured on the closing edge of the door, should not exceed 400N (40kgf). If the closing force is Press twice professional measured to more than 400N, the Protector System FLASHING Beams) must be installed (refer section 17). orange LED •...
SAFETY FIRST! Whilst Chamberlain have engineered safety features into your garage door opener, we urge you to consider fitting IR Beams to your new garage door opener. In many countries these devices are compulsory to assist in preventing serious injury or property damage.
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INSTALLING YOUR CM128 WIRELESS WALL BUTTON Disconnect power to the opener whilst installing this accessory to prevent accidental activation. Locate minimum 1.5m above the floor To install: • Carefully pry open the CM128 and locate the two screws for mounting. •...
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KEYLESS DEVICE PROGRAMMING (OPTIONAL ACCESSORIES ) p ro fe s s io n a l Activate the opener only when the door is in full view, free of obstruction and properly adjusted. No one should enter or leave garage whilst the door is in motion. Do not allow children to operate push button(s) or transmitter(s).
SPECIAL FEATURES (OPTIONAL ACCESSORIES) 1. Solenoid roller door lock (SRDLK01) - (MR850 only) 2. 24VDC power output for external devices - (MR850 only) 3. Voltage free door monitoring output - (MR850 only) 4. The Protector System IR Beams - C77 5.
SPARE PARTS 041A6811 001A6621 If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons 041A6812 in order to avoid hazard. 041A6813 041D6637 (MR850) 041D6637-1 (MR650) 001A6528 041A6815 (MR850) 041A7282 (MR650) 002B1600 041A6814 (MR850) 041A6778...
• Turn the power off and remove the SPU if installed. Over current • Turn power back on and plug the SPU back in if installed. If opener fails to operate correctly after resetting contact your Chamberlain Merlin Professional Dealer. Symptom: Opener will not open or close the door 10 to 15 FLASHES •...
TROUBLESHOOTING • Repeat the limit and force setting in section 13 &14. Repeat safety reverse test after adjustments. 1. The opener will not operate from either the 9. The opener strains to operate door: ACTIVATION button or the transmitters : •...
(the light turns off automatically after 2-1/2 minutes.) Idle Current: less than 25mA @ 230VAC Drive: 24volt DC gearmotor permanent lubrication Max. Drum Rotations: 1/ 2 Memory Registers: Operating Frequency: 433.92MHz SPECIAL NOTE: Chamberlain strongly recommends that the Protector System be installed on all garage door openers.
NOTE: We request that you attach your sales docket or of the unit. A Chamberlain technician will diagnose the invoice to this manual to enable you to establish the date of problem and promptly supply you with the parts for “do-it-...
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