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Chamberlain 2280 - 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 For Residential Use 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 NO T CLOSE unles ...
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Chamberlain 2280 - page 2
2 Introduction Pages 2-5 Saf ety symbol and signal word revie w ........................2 Preparing your garage door ........................................3 T ools needed ...............................................................3 Planning .....................................................................4 Car ton inv entor y ............ ...
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Chamberlain 2280 - page 3
3 Pliers Wire Cutters Claw Hammer Hack Saw Screwdriver Adjustable End Wrench 1/2" and 7/16" Sockets and Wrench Drill Tape Measure 2 1 Stepladder Pencil 3/16", 5/16" and 5/32" Drill Bits Carpenter's Level T o prevent damage to garage door and opener: • AL WA YS disable locks before installing and operating the opener ...
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Chamberlain 2280 - page 4
Safety Reversing Sensor Support bracket & fastening hardware is required. See page 13. Door Center Header Wall FINISHED CEILING Torsion Spring Extension Spring OR Safety Reversing Sensor Gap between floor and bottom of door must not exceed 1/4" Access Door Wall- mounted Door Control Horizontal and vertical reinforcement is needed for light ...
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Chamberlain 2280 - 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 - page 6
6 ASSEMBL Y STEP 1 Attach the T -Rail to the Motor Unit T o av oid installation difficulties, do not run the garage door opener until instructed to do so. • Remov e the two washered bolts mounted in top of motor unit. • Align T -rail and styrofoam over sprock et. Cut tape from T -rail, belt and styrofoam. • REMO VE STYROFOAM. • Inser t wash ...
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Chamberlain 2280 - page 7
7 ASSEMBL Y STEP 3 Attach the Belt Cap Retainer • P osition the belt cap retainer over the motor unit sprock et so the two holes in cap align with the two holes in mounting plate. Attach with #8x3/8" hex bolts provided. Y ou have now finished assembling your garage door opener . Please read the follo wing warnings before proceeding to the in ...
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Chamberlain 2280 - page 8
8 INST ALLA TION STEP 1 Determine the Header Bracket Location Installation procedures vary according to garage door types. Follow the instructions which apply to your door . SECTIONAL DOOR AND ONE-PIECE DOOR WITH TRA CK 1. Close the door and mar k the inside ver tical centerline of the garage door . 2. Extend the line onto the header wall abov e th ...
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Chamberlain 2280 - 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 mar k the inside ver tical centerline of your garage door . Extend the line onto the header wall above door , as shown. If headroom clearanc ...
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Chamberlain 2280 - page 10
10 INST ALLA TION STEP 2 Install the Header Bracket Y ou can attach the header brac ket either to the wall abov e the garage door , or to the ceiling. F ollow the instructions which will wor k best for your par ticular requirements. Do not install the header bracket over drywall. If installing into masonry , use concrete anchors (not pro vided). W ...
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Chamberlain 2280 - 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 protective base. NOTE: If the door spring is in the wa y you’ll need help . Ha ve someone hold the opener securely on a temporar y suppo ...
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Chamberlain 2280 - page 12
12 ONE-PIECE DOOR WITHOUT TRA CK • With 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 lev el with the top of the motor unit. Do not position the opener more than 2" ...
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Chamberlain 2280 - page 13
13 INST ALLA TION STEP 5 Hang the Opener T wo representative installations are shown. Y ours ma y be different. Hanging brack ets should be angled (Figure 1) to provide r igid suppor t. On finished ceilings (Figure 2), attach a sturdy metal brack et to structural suppor ts bef ore installing the opener . This brac ket and fastening hardware are not ...
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Chamberlain 2280 - page 14
14 L O C K L IG H T Slot Figure 4 REMO VE CO VER INST ALLA TION STEP 6 Install the Door Control Locate door control within sight of the door at a minimum height of 5 f eet where small children cannot reach, and aw ay from moving par ts of the door and door hardware. The installation surface must be smooth and flat. If installing into dr ywall (Figu ...
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Chamberlain 2280 - 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 downward until the lens hinge is in the fully open position. Do not remov e the lens. • Install up to a 100 watt maximum light bulb in each sock et. The lights will tur n ON and remain lit f or appro ximately 4-1/2 minutes whe ...
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Chamberlain 2280 - page 16
16 INST ALLA TION STEP 9 Electrical Requirements T o av oid installation difficulties, do not run the opener at this time . T o reduce the risk of electr ic shock, your garage door opener has a grounding type plug with a third grounding 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 - page 17
17 Invisible Light Beam Protection Area Sensor Beam 6" max. above floor Sensor Beam 6" max. above floor Facing the door from inside the garage INST ALLA TION STEP 10 Install The Protector System ® The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in the down direction. IMPORT ANT ...
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Chamberlain 2280 - page 18
18 FLOOR MOUNT (RIGHT SIDE) WALL MOUNT (RIGHT SIDE) DOOR TRACK MOUNT (RIGHT SIDE) Indicator light Lens Lip Sensor Bracket Door T rack 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 ...
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Chamberlain 2280 - page 19
19 1/4"-20x1/2" Carriage bolt Lens Wing nut Figure 4 TROUBLESHOO TING THE SAFETY SENSORS 1. If the sending ey e indicator light does not glow steadily after installation, check for: • Electr ic power to the opener . • A shor t in the white or white/blac k wires. These can occur at staples, or at opener connections. • Incorrect wirin ...
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Chamberlain 2280 - page 20
20 T o prevent damage to garage door , reinforce inside of door with angle iron both vertically and horizontally . WARN ING CAUTION WARN ING WARN ING INST ALLA TION STEP 11 Fasten the Door Bracket F ollow instr uctions which apply to your door type as illustrated below or on the follo wing page. A horizontal reinfor cement brace should be long enou ...
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Chamberlain 2280 - 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 5/16"x1-1/2" lag screws (not provided) to fasten door bracket. MET AL DOOR Top of Door (Inside Garage) Door Bracket Optional ...
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Chamberlain 2280 - page 22
22 INST ALLA TION STEP 12 Connect Door Arm to T rolley F ollow instr uctions which apply to your door type as illustrated below and on the follo wing 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 (aw ay fr ...
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Chamberlain 2280 - page 23
ALL ONE-PIECE DOORS 1. Assemble the door arm: • F asten the straight and curved door arm sections together to the longest possible length (with a 2 or 3 hole ov erlap). • With the door closed, connect the straight door arm section to the door brack et with the 5/16"x1-1/4" cle vis pin. • Secure with a ring fastener . 2. Adjustment p ...
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Chamberlain 2280 - 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 trav el cycle. • Does the door open and close completely? • Does the door stay closed and not re ...
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Chamberlain 2280 - page 25
ADJUSTMENT STEP 2 Adjust the Force F orce 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 trav el ma y be interrupted by nuisance rev ersals in the down direction and stops in the up direction. Weat ...
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Chamberlain 2280 - 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 - page 27
OPERA TION 27 IMPOR T ANT SAFETY INSTRUCTIONS 1. READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS. 2. AL WA YS keep remote controls out of reach of children. NEVER permit children to operate or play with garage door control push buttons or remote controls. 3. ONL Y activate garage door when it can be seen clearly , it is properly adjusted, and there a ...
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Chamberlain 2280 - 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, stop the door’ s mov ement with the middle button, and close the door with the third button. NO TE: If remote is already programmed, you must first erase all codes. See Programming. 1. With the door closed, ...
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Chamberlain 2280 - page 29
CARE OF YOUR OPENER LIMIT AND FORCE ADJUSTMENTS: W eather conditions may cause some minor changes in door operation requir ing some re-adjustments, par ticular ly during the first year of operation. P ages 24 and 25 refer to the limit and force adjustments. Only a screwdriv er is required. F ollow the instructions carefully . Repeat the safety reve ...
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Chamberlain 2280 - 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 . • Remov e the bell wire from the door control ter minals and operate from the remote only . If this solves the problem, the door control is faulty (replace), or there is an inter mittent shor t on the wire bet ...
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Chamberlain 2280 - 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 Fr om Motor Unit Memory T o deactivate any unwanted remote, first erase al ...
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Chamberlain 2280 - page 32
1. Enter a f our digit personal identification number (PIN) of your choice on the ke ypad. 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 button ...
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Chamberlain 2280 - page 33
7 10 11 5 N O TIC 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 N O . 83A 11 -2 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 brack et 3 41B3869-1 Complete trolley assembly 4 109B33 T rolley clip 5 183 ...
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Chamberlain 2280 - page 34
Motor Unit Assembly Parts 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 sprock et assy ., Complete with: Spring washer ; thrust washer ; retai ...
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Chamberlain 2280 - page 35
LOCK LIGHT 35 ACCESSORIES 974LM 970LM 982LM 2778LM 97LM 1702LM Outside Quick Release: Required f or a garage with NO access door . Enab les 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 . Plug-In Light Control: Enables homeowner to tur n on a lamp , tele vis ...
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Chamberlain 2280 - page 36
© 2001, The Chamberlain Group, Inc. 114A2537 All Rights Reser ved Printed in Mexico LIFTMASTER SER VICE IS ON CALL OUR LARGE SER VICE ORGANIZA TION SP ANS AMERICA INST ALLA TION AND SER VICE INFORMA TION IS AS NEAR AS Y OUR TELEPHONE SIX D A YS A WEEK. SIMPL Y DIAL OUR T OLL FREE NUMBER: 1-800-528-2817 HOURS: (Central Std. Time) 6:00 A.M. TO 7:00 ...
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