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The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
®
COMMERCIAL DOOR OPENER
Model ATS 211X 1/2 HP
For Residential And Light Duty Commercial Use
Install on Sectional Doors Only
Owner’s Manual
■ Please read this manual and the enclosed safety materials carefully!
■ Fasten the manual near the garage door after installation.
®
■ The door WILL NOT CLOSE unless the Protector System is connected and
properly aligned.
■ Periodic checks of the opener are require
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TABLE OF CONTENTS Introduction 2-5 Adjustment 20-22 Safety symbol and signal word review........................2 Adjust the travel limits ...............................................20 Preparing your garage door ........................................3 Adjust the force .........................................................21 Tools needed...............................................................3 Test the safety reversal system.................................22 ® Planning ..........
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1 Preparing your garage door WARNING WARNING Before you begin: To prevent possible SERIOUS INJURY OR DEATH: • Disable locks. • ALWAYS call a trained door systems technician if CAUTION WARNING • Remove any ropes connected to garage door. garage door binds, sticks, or is out of balance. An unbalanced garage door may not reverse when • Complete the following test to make sure your required. garage door is balanced and is not sticking or binding: • NEVER try to loosen, move or adjust garage door, d
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— — — — — — — — Planning WARNING WARNING Identify the type and height of your garage door. Without a properly working safety reversal system, Survey your garage area to see if any of the persons (particularly small children) could be conditions below apply to your installation. Additional CAUTION WARNING SERIOUSLY INJURED or KILLED by a closing garage materials may be required. You may find it helpful to door. refer back to this page and the accompanying • The gap between the bott
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Carton Inventory Your garage door opener is packaged in two cartons purchased. If anything is missing, carefully check the which contain the motor unit and all parts illustrated packing material. Parts may be stuck in the foam. below. Accessories will depend on the model Hardware for installation is also listed below. Header Bracket with Clevis Pin and Fastener Mounting Hardware Rail Support (Rail Support Bracket) Lighted Door Bracket Control Button 2 -Conductor Bell Wire White & White/Red Curv
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WARNING WARNING ASSEMBLY STEP 1 CAUTION WARNING Attach the Rail to the Motor Unit To avoid SERIOUS damage to opener, ONLY use bolts/fasteners mounted in top of motor unit. To avoid installation difficulties, do not run the garage door opener until instructed to do so. Washered Bolt 5/16"-18x1/2" • Place the opener on packing material to protect USE ONLY THIS Chain the cover. TYPE AND SIZE Spreader BOLT • Remove the (2) 5/16"-18x1/2" washered bolts Sprocket mounted in the top of the motor unit.
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Lock ASSEMBLY STEP 3 Washer Outer Nut Inner Nut To Tighten Outer Nut Tighten the Chain To Tighten • Spin the inner nut and lock washer down the Inner Nut threaded shaft, away from the trolley. • To tighten the chain, turn outer nut in the direction shown. As you turn the nut, keep the chain Trolley from twisting. • When the chain is approximately 1/2" above the base of the rail at its midpoint, re-tighten the inner Chain nut to secure the adjustment. Sprocket noise can result if chain is either
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INSTALLATION STEP 1 Determine the Header Bracket Unfinished Location Ceiling OPTIONAL CEILING MOUNT WARNING WARNING FOR HEADER BRACKET To prevent possible SERIOUS INJURY or DEATH: Header Wall 2x4 • Header bracket MUST be RIGIDLY fastened to CAUTION WARNING Vertical Centerline structural support on header wall or ceiling, otherwise of Garage Door garage door might not reverse when required. DO NOT 2x4 Structural install header bracket over drywall. Supports • Concrete anchors MUST be used if moun
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INSTALLATION STEP 2 Install the Header Bracket Wall Mounting Holes You can attach the header bracket either to the wall above the garage door, or to the ceiling. Follow the CEILING MOUNT ONLY The nail hole is for instructions which will work best for your particular positioning only. You must use lag screws requirements. Do not install the header bracket UP to mount the header bracket. over drywall. If installing into masonry, use concrete anchors (not provided). WALL HEADER BRACKET INSTALLATI
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INSTALLATION STEP 3 Attach the Rail to the Header Bracket • Position the opener on the garage floor below the header bracket. Use packing material as a protective base. NOTE: If the door spring is in the way you’ll need help. Have someone hold the Header Wall opener securely on a temporary support to allow Header the rail to clear the spring. Bracket Chain • Position the chain pulley bracket against the Pulley header bracket. Bracket • Align the bracket holes and join with a clevis pin as shown.
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WARNING WARNING INSTALLATION STEP 4 CAUTION WARNING Position the Opener To prevent damage to garage door, rest garage door opener rail on 2x4 placed on top section of door. SECTIONAL DOOR ONLY • If the top section or panel hits the trolley when you A 2x4 laid flat is convenient for setting an ideal raise the door, pull down on the trolley release arm door-to-rail distance. to disconnect inner and outer sections. Slide the • Remove foam packaging. outer trolley toward the motor unit. The troll
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WARNING WARNING INSTALLATION STEP 6 CAUTION WARNING Install the Door Control To prevent possible SERIOUS INJURY or DEATH from electrocution: Locate the door control within sight of the door at a • Be sure power is not connected BEFORE installing door minimum height of 5 feet where small children control. cannot reach, and away from all moving parts of the • Connect ONLY to 24 VOLT low voltage wires. door and door hardware. To prevent possible SERIOUS INJURY or DEATH from a 1. Strip 1/4" of insu
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NOTICE WARNING WARNING INSTALLATION STEP 7 CAUTION WARNING Install the Light To prevent possible OVERHEATING of the endpanel or light socket: • Install a 75 watt maximum light bulb into the • DO NOT use short neck or specialty light bulbs. socket. Light bulb size should be A19, standard • DO NOT use halogen bulbs. Use ONLY incandescent. neck only. The lights will turn ON and remain lit for To prevent damage to the opener: approximately 4-1/2 minutes when power is • DO NOT use bulbs larger than
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INSTALLATION STEP 9 WARNING WARNING Electrical Requirements To prevent possible SERIOUS INJURY or DEATH from electrocution or fire: To avoid installation difficulties, do not run the CAUTION WARNING • Be sure power is not connected to the opener, and opener at this time. disconnect power to circuit BEFORE removing cover to To reduce the risk of electric shock, your garage door establish permanent wiring connection. opener has a grounding type plug with a third • Garage door installation and wiri
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INSTALLATION STEP 10 WARNING WARNING ® Install The Protector System Be sure power is not connected to the garage door opener BEFORE installing the safety reversing sensor. The safety reversing sensor must be connected CAUTION WARNING To prevent SERIOUS INJURY or DEATH from a closing and aligned correctly before the garage door garage door: opener will move in the down direction. • Correctly connect and align the safety reversing sensor. This required safety device MUST NOT be disabled. IMPORTAN
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INSTALLING THE BRACKETS Figure 1, 2 and 3 show recommended assembly of Figure 1 Figure 1 Garage WALL or DOOR Track Installation bracket(s) and “C” wrap based on the wall Mounting Bracket installation of the sensors on each side of the garage With Square Holes “C” Wrap door as shown on page 15, or on the garage door tracks themselves. #10-32x3/8" Figure 4 and 5 are variations which may fit your Screws installation requirements better. Make sure the #10-32 Lock Nuts wraps and brackets are aligned
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MOUNTING AND WIRING THE SAFETY Figure 6 Wing "C" Wrap REVERSING SENSORS Nut • Center each sensor unit in a "C" wrap with lenses Indicator pointing toward each other across the door Light (see Figure 6). Sensor with Wire • Secure sensors with the hardware shown. Finger Hex Bolt tighten the wing nut on the receiving eye to allow for 1/4-20 x 1-1/2" final adjustment. Securely tighten the sending eye wing nut. TROUBLESHOOTING THE SAFETY • Run the wires from both sensors to the opener REVERSING SENS
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WARNING WARNING CAUTION WARNING INSTALLATION STEP 11 Fasten the Door Bracket Fiberglass, aluminum or lightweight steel garage doors WILL REQUIRE reinforcement BEFORE installation of A horizontal brace should be long enough to be door bracket. Contact your door manufacturer for secured to 2 vertical supports. A vertical brace reinforcement kit. should cover the height of the top panel. The illustration shows one piece of angle iron as the horizontal brace. For the vertical brace, 2 If your insta
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Inner Trolley INSTALLATION STEP 12 Connect Door Arm to Trolley Outer Trolley SECTIONAL DOORS ONLY • Make sure garage door is fully closed. Pull the emergency release handle to disconnect the outer Clevis Pin 5/16"x1" Ring trolley from the inner trolley. Slide the outer trolley Fastener back (away from the door) about 2" as shown in Figures 1, 2 and 3. • Figure 1: – Fasten straight door arm section to outer trolley Door with the 5/16"x1" clevis pin. Secure the Bracket Straight connection with a
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ADJUSTMENT STEP 1 WARNING WARNING Adjust the UP and DOWN Travel Without a properly installed safety reversal system, Limits persons (particularly small children) could be CAUTION WARNING SERIOUSLY INJURED or KILLED by a closing garage Limit adjustment settings regulate the points at which door. the door will stop when moving up or down. • Incorrect adjustment of garage door travel limits will To operate the opener, press the Door Control push interfere with proper operation of safety reversal ba
