Chamberlain Merlin MR850 Installation And Operating Instructions Manual
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Chamberlain Merlin MR850 Installation And Operating Instructions Manual

Rolling garage door opener
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www.chamberlainanz.com
www.chamberlainanz.com
MR850
professional
MR850
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

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Summary of Contents for Chamberlain Merlin MR850

  • Page 1 MR850 professional MR850 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...

  • Page 2: Table Of Contents

    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.

  • Page 3: Carton Inventory

    TOOLS REQUIRED CARTON INVENTORY 1. Instruction manual (this document) 1. Ladder 2. Stop collar 2. Adjustable wrench for U-bolts already installed 3. Clamp bracket on the door 4. Release handle, cord and risk of entrapment card 3. 8mm socket, 10mm socket and 13mm extended 5.

  • Page 4: Testing Door

    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.

  • Page 5: The Release Handle/Cord

    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.
  • Page 6 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.

  • Page 7: Connect Electric Power

    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.

  • Page 8: Installation

    NOTE: The MR850 opener is factory configured for right hand installation. The opener will operate during this procedure. Make sure the door is clear of obstruction.

  • Page 9: Setting The Force

    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 •...

  • Page 10: Install The Protector System

    INSTALL THE PROTECTOR SYSTEM™ (IR BEAMS) NOTE: This accessory must be used for all installations where the closing force as measured on the bottom of the door is over 400N (40kgf). After the opener has been installed and adjusted, the Protector System™...

  • Page 11: Installing Cm128 Wireless Wall Button

    LRN Press LRN • The courtesy LEDs will flash once. • Ensure the door is clear of obstruction, then test the remote. www.chamberlainanz.com MR850 Release LRN button when Deleting ALL remote control codes professional Courtesy LEDs flashes once NOTE: This deletes all remotes and codes •...

  • Page 12: Keyless Device Programming

    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 remote(s).

  • Page 13: Special Features

    SPECIAL FEATURES (OPTIONAL ACCESSORIES) 1. Solenoid roller door lock (SRDLK01) 2. 24VDC power output for external devices 3. Voltage free door monitoring output 4. The Protector System (C77 IR Beams) 5. Multi-function wall control (C98) 6. Standby Power Unit (battery backup C475) 7.

  • Page 14: Spare Parts

    041A6812 in order to avoid hazard. 041A6813 041D6637 001A6528 041A6815 041A6814 041A6778 001B6681 041A6811 Mount plate sub assembly MR850 (including motor) 041A6812 Sungear kit MR850 041A6813 Front upper housing MR850 041A6814 Base housing MR850 041D6637 PCB for MR850 041A6778 Removable cover sub assembly...

  • Page 15: Accessories & Wiring

    ACCESSORIES 8. Model C379 Wireless finger print access system 1. Model CM128 2 Channel wireless wall button 9. Model C98 Motion detecting control panel 2. Model CM842 2 Channel remote control 10. Model 760 Outside keyswitch 3. Model CM844 4 Channel remote control 11.

  • Page 16: Diagnostic Chart

    • 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 •...

  • Page 17: Troubleshooting

    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 remote controls: •...

  • Page 18: Care Of Your Opener

    It is STRONGLY RECOMMENDED for homeowners with SPECIFICATIONS MR850 young children. Door should be fully closed if possible. Weak Input Voltage:...

  • Page 19: Warranty

    Zealand Limited (Seller) warrants to the original from breach of law or contract or for negligence, exceed the purchaser of the Chamberlain Merlin MR850 Roller Door cost of repairing or replacing the Unit or refunding the Opener (Unit) that it is free from defects in material purchase price of the Unit.
  • Page 20 114B3630 Copyright of Chamberlain 2008...

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