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Chamberlain 2500 - page 1
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. ■ The door WILL NO T CLOSE unless the Pr otector System ® is connected and properl y aligned. ■ Pe riodic chec ks of the opener are required to ensure safe operation. ■ The model number ...
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Chamberlain 2500 - page 2
2 Introduction Pages 2-5 Saf ety symbol revie w and signal word revie w .............2 Preparing your garage door ........................................3 T ools ............................................................................3 Planning .....................................................................4 Car ton inv entor y ......... ...
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Chamberlain 2500 - page 3
3 Preparing your garage door Bef ore you begin: • Disable loc ks. • Remov e any ropes connected to gar age door . • Complete the following test to mak e sure your garage door is balanced and is not stic king or binding: 1. Lift the door about halfwa y as shown. Release the door . If balanced, it should stay in place , suppor ted entirely by i ...
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Chamberlain 2500 - 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. Support bracket & fastening hardware is required. See page 13 — — — — — — — — Header Wall Safety Reversing Sensor FINISHED CEILING Extension Sp ...
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Chamberlain 2500 - page 5
5 Straight Door Arm Section Curved Door Arm Section Header Bracket U P C E IL IN G M O U N T O N L Y 2-Conductor Bell Wire White & White/Red Safety Labels and Literature Remote Control Transmitter Visor Clip Door Bracket SECURITY ✚ 3-Channel Remote Control (2) Safety Reversing Sensors (1 Sending Eye and 1 Receiving Eye) with 2-Conductor White ...
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Chamberlain 2500 - page 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 w ashered bolts mounted in top of motor unit. • Align T -rail and styrof oam ov er sprock et. Cut tape from T -rail, belt and styrof oam. • REMO VE STYROFOAM. • Inser t bot ...
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Chamberlain 2500 - page 7
ASSEMBL Y STEP 3 Attach the Belt Cap Retainer • P osition the belt cap retainer ov er the opener 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 the in ...
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Chamberlain 2500 - 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 wall abo v e ...
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Chamberlain 2500 - 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 2500 - page 10
UP CEILING MOUNT ONLY Ceiling Mounting Holes The nail hole is for positioning only. You must use lag screws to mount the header bracket. U P Lag Screws 5/16"x9x1-5/8" Garage Door Vertical Centerline Header Wall – Finished Ceiling – Header Bracket 6" Maximum Vertical Centerline Door Spring 10 CEILING HEADER BRA CKET INST ALLA TION ...
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Chamberlain 2500 - page 11
Header Bracket Belt Pulley Bracket Foam Packaging Opener Carton or Temporary Support Header Wall Garage Door Clevis Pin 5/16" x 2-3/4" Ring Fastener Torsion Spring T-Rail Clevis Pin 5/16"x2-3/4" Ring Fastener Header Bracket Belt Pulley Bracket T-Rail 11 HARD W ARE SHO WN A CTU AL SIZE INST ALLA TION STEP 3 Attach the T -Rail to ...
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Chamberlain 2500 - 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 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" abov e thi ...
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Chamberlain 2500 - page 13
13 INST ALLA TION STEP 5 Hang the Opener Three 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 2500 - page 14
Red Grey White To release wire, push in tab with screwdriver tip Door Control Connections 7/16" Strip wire 7/16" 14 L O C K L IG H T 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 a y from moving pa ...
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Chamberlain 2500 - page 15
15 INST ALLA TION STEP 7 Install the Lights and Lens 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 maxim um light bulb in each sock et. The lights will tur n ON and remain lit for appro ximately 4-1/2 minut ...
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Chamberlain 2500 - page 16
INST ALLA TION STEP 9 Electrical Requirements To av oid installation difficulties, do not run the opener at this time. To reduce the risk of electric shock, your gar age 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, con ...
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Chamberlain 2500 - 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 m ust be connected and aligned correctly bef ore the garage door opener will move in the do wn direction. This ...
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Chamberlain 2500 - page 18
18 FLOOR MOUNT (RIGHT SIDE) WALL MOUNT (RIGHT SIDE) DOOR TRACK MOUNT (RIGHT SIDE) Indicator light Lens Lip Sensor Brack et Door Tr a c k Sensor Brack et Extension Bracket (See Accessories) Lens Indicator light Attach with concrete anchors (not provided) Inside G arage W all Indicator light Sensor Brack et Lens Extension Bracket (See Accessories) In ...
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Chamberlain 2500 - page 19
19 Invisible Light Beam Protection Area Sensor Sensor Bell Wire Bell Wire Finished Ceiling Quick-Connect Terminals Strip wire 7/16" 7/16" Sensor Connections Connect Wire to Quick-Connect Terminals Red Grey White White/black wire White wire 1/4"-20x1/2" Carriage bolt Lens Wing nut Figure 4 Figure 5 MOUNTING AND WIRING THE SAFETY ...
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Chamberlain 2500 - 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 2500 - page 21
Self-Threading Screw 1/4"-14x5/8" 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 o ...
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Chamberlain 2500 - page 22
INST ALLA TION STEP 12 Connect Door Arm to T rolley F ollow instructions which apply to your door type as illustrated below and on the f ollowing page. SECTIONAL DOORS ONL Y Make sure gar age door is fully closed. Pull the emergency release handle to disconnect the outer trolley from the inner trolle y . Slide the outer trolley back (a wa y from th ...
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Chamberlain 2500 - page 23
ALL ONE-PIECE DOORS 1. Assemble the Door Arm: • F asten the straight and cur ved door arm sections together to the longest possible length (with a 2 or 3 hole ov erlap). • Mak e sure the garage door is fully closed. Connect the straight door arm section to the door brac ket with the 5/16"x1-1/4" cle vis pin. • Secure with a ring fas ...
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Chamberlain 2500 - page 24
24 Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSL Y INJURED or KILLED by a closing garage door . • Incorrect adjustment of garage door travel limits will interfere with proper operation of safety reversal system. • If one control (for ce or travel limits) is adjusted, the other contr ...
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Chamberlain 2500 - page 25
ADJUSTMENT STEP 2 Adjust the Force F orce adjustment controls are located on the back panel of the motor unit. F orce adjustment settings regulate the amount of power required to open and close the door . If the f orces are set too light, door trav el may be interrupted by nuisance re versals in the down direction and stops in the up direction. W e ...
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Chamberlain 2500 - page 26
ADJUSTMENT STEP 3 T est the Safety Reversal System TEST • With the door fully open, place a one-inch board (or a 2x4 laid flat) on the floor , centered under the garage door . • Operate the door in the down direction. The door m ust re verse on striking the obstruction. ADJUST • If the door stops on the obstruction, it is not tra veling f ar ...
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Chamberlain 2500 - page 27
OPERA TION 27 Using Y our Garage Door Opener Y our Secur ity ✚ opener and hand-held remote control hav e been factory programmed to a matching code which changes with each use, randomly accessing ov er 100 billion ne w codes. Y our opener will operate with se ver al Security ✚ remote controls utilizing up to 8 functions, and one Security ✚ Ke ...
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Chamberlain 2500 - page 28
28 Using the W all-Mounted Door Control THE MUL TI-FUNCTION DOOR CONTROL Press the push bar to open or close the door . Press again to re verse the door during the closing cycle or to stop the door while it's opening. Light feature Press the Light button to turn the opener light on or off . It will not control the opener lights when the door i ...
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Chamberlain 2500 - page 29
29 CARE OF YOUR OPENER LIMIT AND FORCE ADJUSTMENTS: W eather conditions may cause some minor changes in door operation requiring some re-adjustments, par ticular ly during the first year of operation. P ages 24 and 25 ref er to the limit and f orce adjustments. Only a screwdriver is required. Follow the instructions carefully . Repeat the safety re ...
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Chamberlain 2500 - 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 . •R emov e the bell wire from the door control ter minals and operate from the remote only . If this solves the prob lem, the door control is faulty (replace), or there is an inter mittent shor t on the wire be ...
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Chamberlain 2500 - page 31
*3-Channel Remotes If provided with y our garage door opener , the large b utton is f actor y programmed to operate it. Additional b uttons on an y Security ✚ 3-channel remote or mini-remote can be programmed to oper ate other Security ✚ garage door openers. To Erase All Codes Fr om Motor Unit Memory To deactivate any unw anted remote, first er ...
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Chamberlain 2500 - page 32
1. Enter a four digit personal identification number (PIN) of y our 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 y ou press the push bar on the Multi-Function Door Control (all three butto ...
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Chamberlain 2500 - page 33
7 10 11 6 5 N O TIC E U P C E I L I N G M O U N T O N L Y 8 1 4 2 3 9 12 LO C K L IG H T 2 1 5 6 3 7 R A IL G R E A S E N O . 83A 11-2 8 4 Rail Assembly Parts Installation Parts 33 KEY P ART NO . NO . DESCRIPTION 1 4A1008 Master link kit 2 41A5424 Belt pulley br ack et 3 41B3869-1 Complete trolley assemb ly 4 109B33 T rolle y clip 5 183B99 One-piec ...
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Chamberlain 2500 - page 34
Motor Unit Assembly Parts 34 2 3 4 5 6 7 8 9 10 11 12 13 1 KEY P ART NO . NO . DESCRIPTION 1 41A4371-1 Belt cap 2 41B4245-1 Line cord 3 41B3150-1 T erminal bloc k w/screws 4 41C53 Belt cog 5 41C5317 Wire harness 41C5511 High voltage wire harness 41B5405 DC motor wire harness 41C5418 Light sock et wire harness 6 41D475 Motor 80kg/100kg KEY P ART NO ...
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Chamberlain 2500 - page 35
35 LOCK LIGHT ACCESSORIES 974LM 970LM 982LM 2778LM 97LM 1702LM Outside Quick Release: Required f or a garage with NO access door . Enables homeowner to open garage door manually from outside b y disengaging trolley . 8 Foot Complete Rail: To allow an 8 f oot door to open fully . Plug-In Light Control: Enables homeo wner to tur n on a lamp , tele vi ...
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Chamberlain 2500 - page 36
© 2002, The Chamber lain Group, Inc. 114A2503F All Rights Rese r v ed P r inted in M e xico 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 SEVEN 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 ...
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