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Chamberlain 2280-267 - page 1
The Chamberlain Group, Inc. 845 Larch A ven ue Elmhurst, Illinois 60126-1196 www .liftmaster .com GARAGE DOOR OPENER Model 2280 1/2 HP 2280-267 1/2 HP 2280-976 1/2 HP For Residential Use Only ® Owner’s Manual ■ Please read this manual and the enc losed safety materials carefull y! ■ F asten the man ual near the garage door after installation ...
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Chamberlain 2280-267 - page 2
2 Introduction Pages 2-5 Saf ety symbol and signal word re view ........................2 Preparing your garage door ........................................3 T ools needed ...............................................................3 Planning .....................................................................4 Car ton inv entor y ............ ...
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Chamberlain 2280-267 - page 3
3 To prevent damage to garage door and opener: • AL WA YS disable locks before installing and operating the opener . • ONL Y operate garage door opener at 120V , 60 Hz to avoid malfunction and damage. To prevent possible SERIOUS INJURY OR DEA TH: • AL WA YS call a trained door systems technician if garage door binds, sticks, or is out of bala ...
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Chamberlain 2280-267 - page 4
Safety Reversing Sensor Horizontal and vertical reinforcement is needed for lightweight garage doors (fiberglass, steel, aluminum, door with glass panels, etc.). See page 20 for details. — — — — — — — — Header Wall Safety Reversing Sensor Gap between floor and bottom of door must not exceed 1/4" Extension Spring Torsion Spring ...
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Chamberlain 2280-267 - page 5
5 Straight Door Arm Section Curved Door Arm Section Safety Labels and Literature Header Bracket U P C E IL IN G M O U N T O N L Y Belt Cap Retainer 2-Conductor Bell Wire White & White/Red Light Lens (2) Remote Control Transmitter Visor Clip Door Bracket One-Piece T-Rail Styrofoam Belt Pulley Bracket Belt Trolley SECURITY ✚ 3-Channel Remote Co ...
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Chamberlain 2280-267 - page 6
6 ASSEMBL Y STEP 1 Attach the T -Rail to the Motor Unit To av oid installation difficulties, do not run the garage door opener until instructed to do so. •R emov e the two washered bolts mounted in top of motor unit. • Align T -rail and styrof oam over sproc ket. Cut tape from T -rail, chain and styrof oam. • REMO VE STYROFO AM. • Inser t b ...
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Chamberlain 2280-267 - page 7
7 ASSEMBL Y STEP 3 Attach the Belt Cap Retainer •P osition the belt cap retainer ov er the motor unit sprock et so the two holes in cap align with the two holes in mounting plate. Attach with #8x3/8" hex screws pro vided. Y ou have no w finished assembling y our garage door opener . Please read the follo wing warnings before pr oceeding to t ...
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Chamberlain 2280-267 - page 8
8 INST ALLA TION STEP 1 Determine the Header Bracket Location Installation procedures va r y according to garage door types. Follo w the instructions which apply to your door . SECTIONAL DOOR AND ONE-PIECE DOOR WITH TRA CK 1. Close the door and mark the inside vertical centerline of the garage door . 2. Extend the line onto the header w all abov e ...
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Chamberlain 2280-267 - page 9
9 Header Wall Vertical Centerline Vertical Centerline of Garage Door 2x4 Unfinished Ceiling 2x4 OPTIONAL CEILING MOUNT FOR HEADER BRACKET Structural Supports ONE-PIECE DOOR WITHOUT TRA CK 1. Close the door and mark the inside vertical centerline of your garage door . Extend the line onto the header wall abo ve door , as shown. If headroom clearance ...
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Chamberlain 2280-267 - page 10
10 INST ALLA TION STEP 2 Install the Header Bracket Y ou can attach the header brack et either to the wall abov e the garage door , or to the ceiling. F ollow the instructions which will work best for y our par ticular requirements. Do not install the header brac ket o ver drywall. If installing into masonr y , use concrete anchors (not pr ovided). ...
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Chamberlain 2280-267 - page 11
Clevis Pin 5/16"x2-3/4" Ring Fastener 11 INST ALLA TION STEP 3 Attach the T -Rail to the Header Bracket •P osition the opener on the garage floor below the header brac ket. Use packing material as a protectiv e base. NO TE: If the door spring is in the wa y y ou’ll need help . Hav e someone hold the opener securely on a temporary supp ...
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Chamberlain 2280-267 - page 12
12 ONE-PIECE DOOR WITHOUT TRA CK •W ith the door fully open and parallel to the floor , measure the distance from the floor to the top of the door . • Using a stepladder as a suppor t, raise the top of the opener to this height. • The top of the door should be le vel with the top of the motor unit. Do not position the opener more than 2" ...
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Chamberlain 2280-267 - page 13
13 INST ALLA TION STEP 5 Hang the Opener Tw o representative installations are sho wn. Y ours ma y be different. Hanging brack ets should be angled (Figure 1) to provide rigid suppor t. On finished ceilings (Figure 2), attach a sturdy metal brac ket to structural suppor ts before installing the opener . This brac ket and f astening hardware are not ...
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Chamberlain 2280-267 - page 14
14 To prevent possible SERIOUS INJURY or DEA TH from electrocution: • Be sure power is not connected BEFORE installing door control. • Connect ONL Y to 24 VOL T low voltage wires. To prevent possible SERIOUS INJURY or DEA TH from a closing garage door: • Install door control within sight of garage door , out of reach of children at a minimum ...
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Chamberlain 2280-267 - page 15
15 INST ALLA TION STEP 7 Install the Lights • Press the release tabs on both sides of lens. Gently rotate lens back and do wnward until the lens hinge is in the fully open position. Do not remov e the lens. • Install up to a 100 watt maximum light b ulb in each sock et. The lights will tur n ON and remain lit f or appro ximately 4-1/2 minutes w ...
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Chamberlain 2280-267 - page 16
16 INST ALLA TION STEP 9 Electrical Requirements To av oid installation difficulties, do not run the opener at this time. To reduce the r isk of electr ic shock, y our garage door opener has a grounding type plug with a third g rounding pin. This plug will only fit into a grounding type outlet. If the plug doesn't fit into the outlet you hav e ...
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Chamberlain 2280-267 - page 17
17 Invisible Light Beam Protection Area Sensor Beam 6" max. above floor Sensor Beam 6" max. above floor F acing the door fr om inside the garage INST ALLA TION STEP 10 Install The Protector System ® The safety rever sing sensor must be connected and aligned correctly bef ore the garage door opener will move in the do wn direction. IMPORT ...
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Chamberlain 2280-267 - page 18
18 FLOOR MOUNT (RIGHT SIDE) WALL MOUNT (RIGHT SIDE) DOOR TRACK MOUNT (RIGHT SIDE) Indicator light Lens Lip Sensor Bracket Door Track Sensor Bracket Extension Bracket (See Accessories) Lens Indicator light Attach with concrete anchors (not provided) Inside G arage W all Indicator light Sensor Bracket Lens Extension Bracket (See Accessories) Inside G ...
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Chamberlain 2280-267 - page 19
19 Carriage bolt 1/4"-20x1/2" Lens Wing nut Figure 4 MOUNTING AND WIRING THE SAFETY SENSORS • Slide a 1/4"-20x1/2" carriage bolt head into the slot on each sensor . Use wing nuts to fasten sensors to brac kets , with lenses pointing toward each other across the door . Be sure the lens is not obstr ucted by a brac ket e xtensio ...
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Chamberlain 2280-267 - page 20
20 INST ALLA TION STEP 11 Fasten the Door Bracket F ollow instructions which apply to your door type as illustrated below or on the f ollowing page. A horizontal reinfor cement brace should be long enough to be secured to two or three vertical supports. A ver tical reinfor cement brace should cover the height of the top panel. Figure 1 shows one pi ...
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Chamberlain 2280-267 - page 21
21 Header Wall Vertical Centerline of Garage Door Finished Ceiling Optional Placement of Door Bracket Header Bracket Door Bracket 2x4 Support For a door with no exposed framing, or for the optional installation, use lag screws 5/16"x1-1/2" (Not provided) to fasten door bracket. MET AL DOOR Top of Door (Inside Garage) Door Bracket Optional ...
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Chamberlain 2280-267 - page 22
22 INST ALLA TION STEP 12 Connect Door Arm to T rolley Follow instructions which apply to your door type as illustrated below and on the following page. SECTIONAL DOORS ONL Y • Make sure garage door is fully closed. Pull the emergency release handle to disconnect the outer trolley from the inner trolley . Slide the outer trolley back (away from t ...
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Chamberlain 2280-267 - page 23
23 Nuts 5/16"-18 Lock Washers 5/16" Ring Fastener Straight Arm Bolts 5/16"-18x7/8 Door Bracket Clevis Pin 5/16"x1-1/4" Curved Door Arm Figure 4 Door Arm Door Arm Connector Hole Closed Door Fully Closed Trolley Emergency Release Handle Fully Open Trolley Open Door Door with Backward Slant (Undesirable) Door Arm Connector Hol ...
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Chamberlain 2280-267 - page 24
24 ADJUSTMENT STEP 1 Adjust the UP and DOWN T ravel Limits Limit adjustment settings regulate the points at which the door will stop when moving up or down. T o operate the opener , press the Door Control push bar . Run the opener through a complete travel cycle. • Does the door open and close completely? • Does the door stay closed and not rev ...
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Chamberlain 2280-267 - page 25
ADJUSTMENT STEP 2 Adjust the Force Force adjustment controls are located on the back panel of the motor unit. Force adjustment settings regulate the amount of power required to open and close the door . If the forces are set too light, door travel may be interrupted by nuisance reversals in the down direction and stops in the up direction. Weather ...
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Chamberlain 2280-267 - page 26
Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSL Y INJURED or KILLED by a closing garage door . • Safety reversal system MUST be tested ever y month. • If one control (force or travel limits) is adjusted, the other control may also need adjustment. • After ANY adjustments are made, t ...
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Chamberlain 2280-267 - page 27
OPERA TION Using Y our Garage Door Opener Y our Security ✚ opener and hand-held remote control have been factory-set to a matching code which changes with each use, randomly accessing over 100 billion new codes. Y our opener will operate with up to eight Security ✚ remote controls and one Security ✚ Keyless Entry System. If you purchase a new ...
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Chamberlain 2280-267 - page 28
B) T o operate one door using all three buttons on the hand-held remote: Y ou may program the remote to open the door with the large button, close it with the middle button, and stop the door ’s movement with the third button. NOTE: If remote is already programmed, you must first erase all codes. See Programming. 1. With the door closed, press an ...
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Chamberlain 2280-267 - page 29
CARE OF YOUR OPENER LIMIT AND FORCE ADJUSTMENTS: Weather conditions may cause some minor changes in door operation requiring some re- adjustments, particularly during the first year of operation. Pages 24 and 25 refer to the limit and force adjustments. Only a screwdriver is required. Follow the instructions carefully . Repeat the safety reverse te ...
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Chamberlain 2280-267 - page 30
30 Having a Problem? (Continued) 6. The garage door opens and closes by itself: • Be sure that all remote control push buttons are off. • Remove the bell wire from the door control terminals and operate from the remote only . If this solves the problem, the door control is faulty (replace), or there is an intermittent short on the wire between ...
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Chamberlain 2280-267 - page 31
*3-Channel Remotes If provided with your garage door opener , the large button is factory programmed to operate it. Additional buttons on any Security ✚ 3-channel remote or mini-remote can be programmed to operate other Security ✚ garage door openers. T o Erase All Codes From Motor Unit Memory T o deactivate any unwanted remote, first erase all ...
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Chamberlain 2280-267 - page 32
1. Enter a four digit personal identification number (PIN) of your choice on the keypad. Then press and hold ENTER. 2. While holding the ENTER button, press and hold the LIGHT button on the Multi-Function Door Control. 3. Continue holding the ENTER and LIGHT buttons while you press the push bar on the Multi-Function Door Control (all three buttons ...
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Chamberlain 2280-267 - page 33
7 10 11 5 N O T IC E U P C E I L I N G M O U N T O N L Y 8 6 1 4 3 2 LO C K L IG H T 9 12 2 5 6 1 3 7 R A IL G R E A S E 8 4 Installation Parts 33 REP AIR P ARTS Rail Assembly Parts KEY P ART NO. NO. DESCRIPTION 1 4A1008 Master link kit 2 41B5424 Belt pulley bracket 3 41B3869-1 Complete trolley assembly 4 109B33 T rolley clip 5 1777LM One-piece T - ...
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Chamberlain 2280-267 - page 34
2 10 8 13 14 15 19 4 5 3 9 16 12 7 18 11 17 1 6 6 7 DN UP Brown Wire (Down) Contact LIMIT SWITCH ASSY. Grey Wire Yellow Wire (Up) Contact Center Limit Contact Drive Gear KEY P ART NO. NO. DESCRIPTION 1 41A4371 Belt cap retainer 2 41A4885-5 Gear and sprocket assy ., Complete with: Spring washer; thrust washer; retaining ring; bearing plate; roll pin ...
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Chamberlain 2280-267 - page 35
LOCK LIGHT C LO S E D O P E N ACCESSORIES 974LM 970LM 995LM 2778BD 41A5281 1702LM Outside Quick Release: Required for a garage with NO access door . Enables homeowner to open garage door manually from outside by disengaging trolley . 8 Foot Complete Rail: T o allow an 8 foot door to open fully . Remote Light Control: Enables homeowner to turn on a ...
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Chamberlain 2280-267 - page 36
© 2003, The Chamberlain Group, Inc. 1 14A2537G All Rights Reserved Printed in Mexico LIFTMASTER SERVICE IS ON CALL OUR LARGE SERVICE ORGANIZA TION SP ANS AMERICA INST ALLA TION AND SERVICE INFORMA TION IS AS NEAR AS YOUR TELEPHONE SEVEN DA YS A WEEK. SIMPL Y DIAL OUR TOLL FREE NUMBER: 1-800-528-2817 HOURS: (Central Std. Time) 6:00 A.M. TO 7:00 P . ...
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