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Chamberlain Merlin Whisper Drive MT3850EVO Installation And Operating Instructions Manual

Whisper drive sectional garage door opener
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MT3850EVO
with Security + 2.0
Sectional Garage Door Opener
INSTALLATION AND OPERATING INSTRUCTIONS
Owner's Copy: Keep these Instructions for Future Reference.
Please read this manual and the enclosed safety materials carefully!
Periodic checks of the opener are required to ensure safe operation.

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Summary of Contents for Chamberlain Merlin Whisper Drive MT3850EVO

  • Page 1 MT3850EVO with Security + 2.0 Sectional Garage Door Opener INSTALLATION AND OPERATING INSTRUCTIONS Owner’s Copy: Keep these Instructions for Future Reference. Please read this manual and the enclosed safety materials carefully! Periodic checks of the opener are required to ensure safe operation.

  • Page 3: 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 4: Preparing The Door

    Preparing your garage door Before you begin: To prevent possible SERIOUS INJURY or DEATH: • Disable locks. • ALWAYS call a qualified door technician if garage door binds, • Remove any ropes connected to garage door. sticks, or is out of balance. An unbalanced garage door may not •...

  • Page 5: Planning

    Planning Identify the type and height of your garage door. Survey your garage area to see if any of the conditions below apply to your installation. Additional materials may be required. You may find it helpful to refer back to this page and the accompanying illustration as you proceed with the installation of your opener.

  • Page 6: Hardware Provided

    Carton Inventory Your garage door opener and rail are packed in two separate cartons. The MT3850EVO Opener Carton contains the opener, it’s fitting hardware and accessories. The Rail Carton contains the rail and it’s hardware as illustrated below. If anything is missing, carefully check the packing material. Parts may be stuck in the foam.

  • Page 7: Assembly Section

    ASSEMBLY STEP 1 Assemble the Sectional Rail (if used) Rail Section If using 1-Piece Rail Proceed to Step 5 Rail Assembly To avoid installation difficulties, do not run the garage door opener until instructed to do so. Brace • Place rail pieces on flat surface for assembly (all four sections are interchangeable).
  • Page 8 ASSEMBLY STEP 4 Assemble the Header Sleeve Carriage Bolt • Insert carriage bolt head into the Pulley Bracket slot and retain by pushing the pulley bracket back into the rail. Header End • Install the carriage bolt thread through the header sleeve assembly.
  • Page 9 ASSEMBLY STEP 7 Set Belt Tension • Thread spring nut onto the carriage bolt until finger tight. Insert a screwdriver tip into one of the slots of the nut ring and brace it firmly against the header sleeve. • Place a spanner on the square end of the spring nut, slightly rotate nut about 1/4 turn clockwise until nut ring is released against header sleeve.

  • Page 10: Installation Section

    INSTALLATION STEP 1 Unfinished Determine the Header Bracket Ceiling OPTIONAL Location CEILING MOUNT HEADER BRACKET Header Wall Timber brace To prevent possible SERIOUS INJURY or DEATH: Vertical Centreline • Header bracket MUST be RIGIDLY fastened to structural of Garage Door support on header wall or ceiling, otherwise garage door might Timber Brace Structural...

  • Page 11: Install The Header Bracket

    INSTALLATION STEP 2 Wall Mount Install the Header Bracket NOTE: Refer to vertical centre and horizontal lines created in Step 1 for proper placement of header Header Bracket Centre Line bracket. Wall mount: Centre the header bracket on the vertical Horizontal Line centre line with the bottom edge of the header bracket on the horizontal line (with the arrow pointing toward the...

  • Page 12: Attach The Rail To The Header Bracket

    INSTALLATION STEP 3 Attach the Rail to the Header Bracket • Position the opener on the garage floor below the header bracket. Use foam packing material as a protective base. NOTE: If the door spring is in the way you’ll need Header Wall help.

  • Page 13: Position The Opener

    INSTALLATION STEP 4 Position the Opener To prevent scratching or marking the garage door, rest garage door opener rail on piece of wood placed on top section of door. You will need a 50 mm piece of timber or similar spacer to gauge the distance between door and rail.

  • Page 14: Hang The Opener

    INSTALLATION STEP 5 Hang the Opener To avoid possible SERIOUS INJURY from a falling garage door opener, fasten it SECURELY to structural supports of the garage. Three representative installations are shown. Yours may Concrete anchors MUST be used if installing ANY brackets into be different.

  • Page 15: Fasten The Door Bracket

    INSTALLATION STEP 6 Fasten the Door Bracket Fiberglass, aluminum or lightweight steel garage doors WILL REQUIRE reinforcement (not provided) BEFORE installation of door bracket. Contact your door manufacturer for reinforcement 1. Centre the door bracket on the previously marked kit. vertical centreline used for the header bracket installation.

  • Page 16: Connect Door Arm To Trolley

    INSTALLATION STEP 7 Figure 1 Connect Door Arm to Trolley Make sure garage door is fully closed. Pull the emergency release handle to disconnect the outer trolley Outer Trolley from the inner trolley. Slide the outer trolley back (away Ring Fastener from the door) about 200 mm (Figures 1, 2 and 3).

  • Page 17: Install The Protector System (Ir Beams)

    INSTALLATION STEP 8 Install The Protector System (optional) To protect small children, install The Protector NOTE: This accessory must be used for all System™ no higher than 100 mm above the floor. installations where the closing force as measured on Disconnect power to the garage door opener before the bottom of the door is over 400 N (40 kgf).

  • Page 18: Install The Lights

    The lights will turn ON and remain lit for Lamps as they may cause damage to the lens cover. If unsure call approximately 2-1/2 minutes when power is connected. the Chamberlain customer service. Then the lights will turn OFF. • Reverse the procedure to close the lens.

  • Page 19: Install The Battery And Connect Electric Power

    ANY service or maintenance. 2 seconds, indicates the opener is activating the door and is operating off the battery. • Use only Chamberlain part # 041A6357-2 for replacement • A flashing LED with beep, sounding every 30 seconds, battery.

  • Page 20: Adjustment Section

    ADJUSTMENT STEP 1 Program the Travel Limits and Force Without a properly installed safety reversal system, persons Settings (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing door. Figure 1 • Incorrect adjustment of garage door travel limits will interfere with proper operation of safety reversal system.

  • Page 21: Test The Safety Reversal System

    ADJUSTMENT STEP 2 Test the Safety Reversal System • Safety reversal system MUST be tested every month. • After ANY adjustments are made, the safety reversal system TEST MUST be tested. Door MUST reverse on contact with 40 mm obstacle on the floor. •...

  • Page 22: Timer-To-Close

    TIMER-TO-CLOSE FEATURE (TTC) Door may operate unexpectedly, therefore do not allow anything to stay in the path of the door. Figure 1 Battery Status Learn Button UP Arrow Button Learn Limits Button DOWN Arrow Button NOTE: Requires The Protector System (IR Beams) installed.

  • Page 23: Control (E128M)

    WIRELESS PROGRAMMING To Add or Reprogram a Hand-held Remote Control Activate the opener only when door is in full view, free of Battery Status obstruction and properly adjusted. No one should enter or leave Learn garage while door is in motion. Do not allow children to operate Button UP Arrow push button(s) or remote(s).
  • Page 24 WIRELESS PROGRAMMING KEYLESS DEVICE PROGRAMMING Locate the yellow learn button Activate the opener only when door is in full view, free of obstruction and properly adjusted. No one should enter or leave garage while door is in motion. Do not allow children to operate Press and push button(s) or remote(s).

  • Page 25: Troubleshooting

    TROUBLE SHOOTING 1. Opener doesn't operate from either door control or remote: 9. Opener strains: • Does the opener have electric or battery power? Plug Door may be unbalanced or springs are broken. Close lamp into outlet. If it doesn't light, check the fuse box or door and use manual release rope and handle to the circuit breaker.

  • Page 28: Using Your Garage Opener

    Operating Frequency 433.30/433.92/434.54 MHz constant light when the Light feature on the LCD Motion Detecting Control is activated. Bulb size is E27. Bulb power is SPECIAL NOTE: Chamberlain strongly recommends 40 watts maximum. that The Protector System (IR Beams) be installed on all garage door openers.

  • Page 29: Accessories

    ACCESSORIES E128M E940M E943M E945M CM1702 760E E840M (1) Model E128M Wireless Wall Button (5) Model E840M Keyless Entry System (2) Model E940M 1 Channel visor remote control (6) Model C77 The Protector System (3) Model E943M 3 Channel visor remote control (7) Model CM1702 Quick Release Lock (4) Model E945M...

  • Page 30: Replacement Parts

    REPLACEMENT PARTS - Information for Service Personnel 041A5414-9 Hardware bag 083A0011 041A2828 Grease Release rope and handle 171A0028 041A5800 Outer trolley 041A6398 Inner trolley repair kit 012C0810 End bracket 30mm steel 183D0177 Segmented rail sections 183D0178 Segmented rail braces 178B0034B Straight arm 012B0906 Door bracket plate...

  • Page 31: Warranty

    Unit, other than those which were reasonably Warranty. foreseeable as liable to result from the failure. It is a condition of this Chamberlain Limited Warranty that the Unit is sold, Liability – New Zealand only installed and serviced by a Professional Dealer appointed by Except as set out in the Fair Trading Act 1986 and the Consumer Chamberlain.
  • Page 32 Trademark of The Chamberlain Group, Inc. ® Registered Trademark of The Chamberlain Group, Inc. 114A4233C © 2011, The Chamberlain Group Inc.

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