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Chamberlain LIFTMASTER 3275 manual

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Table of contents for the manual

  • Page 1

    The Chamberlain Group, Inc. 845 Larch A ven ue Elmhurst, Illinois 60126-1196 www .liftmaster .com GARAGE DOOR OPENER Models 3275 3275-267 For Residential Use Only Owner’ s Manual ■ Please read this manual and the enc losed safety materials carefull y! ■ Fasten the man ual near the garage door after installation. ■ The door WILL NO T CLOSE u[...]

  • Page 2

    2 When you see these Saf ety Symbols and Signal Words on the f ollowing pages, the y will aler t you to the possibility of serious injury or death if you do not comply with the warnings that accompany them. The hazard may come from something mechanical or from electric shock. Read the warnings carefully . When you see this Signal W ord on the follo[...]

  • Page 3

    3 To prevent damage to garage door and opener: • ALWAYS disable locks BEFORE installing and operating the opener. • ONLY operate garage door opener at 120V, 60 Hz to avoid malfunction and damage. To prevent possible SERIOUS INJURY or DEATH: • ALWAYS call a trained door systems technician if garage door binds, sticks or is out of balance. An u[...]

  • Page 4

    FINISHED CEILING Suppor t brack et & fastening hardware is required. See page 12. Slack in chain tension is normal when garage door is closed. Safety Rev ersing Sensor Header W all Access Door Safety Rev ersing Sensor Gap between floor and bottom of door must not e xceed 1/4" (6 mm) W all- mounted Door Control Motor Unit ONE-PIECE DOOR WIT[...]

  • Page 5

    5 Y our gar age door opener is packaged in two cartons which contain the motor unit and all par ts illustrated below . Accessories will depend on the model purchased. If anything is missing, carefully chec k the packing material. P ar ts ma y be stuck in the f oam. Hardware f or installation is also listed below . Carton Inventor y Straight Door Ar[...]

  • Page 6

    W ashered Bolt 5/16"-18x1/2" Styrofoam T -rail Hole Lock Nut 6 ASSEMBL Y STEP 1 Attach the 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 bolt and lock nut from the top of the motor unit. • Place rail onto the bolt mounted on the motor unit and align t[...]

  • Page 7

    IMPOR T ANT INST ALLA TION INSTR UCTIONS 7 Lock W asher T o Tighten Outer Nut Inner Nut T rolley Chain Base of Rail 1/2" (13 mm) T o Tighten Inner Nut Outer Nut Mid Length of Rail INST ALLA TION ASSEMBL Y STEP 3 Tighten the Chain • Spin the inner nut and loc k washer down the trolle y threaded shaft, aw a y from the trolley . • T o tighten[...]

  • 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 y our door . 1. Close the door and mar k the inside v er tical center line of the garage door . 2. Extend the line onto the header wall abo ve the door . Y ou can fasten the header bracket[...]

  • Page 9

    9 INST ALLA TION STEP 2 Install the Header Bracket Y ou can attach the header br ack et either to the wall abov e the garage door , or to the ceiling. Follo w the instr uctions which will work best f or your par ticular requirements. Do not install the header bracket o ver dr ywall. If installing into masonry , use concrete anchors (not pr ovided).[...]

  • Page 10

    10 Clevis Pin 5/16"x2-3/4" Ring Fastener INST ALLA TION STEP 3 Attach the 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 spr ing is in the wa y you’ll need help . Hav e someone hold the opener securely on a temporary suppor t[...]

  • Page 11

    11 ONE-PIECE DOOR WITHOUT TRA CK A 2x4 on its side is conv enient for setting an ideal door-to- rail distance . • Remov e foam pac kaging. • Raise the opener onto a stepladder . Y ou will need help at this point if the ladder is not tall enough. • Open the door all the wa y and place a 2x4 on its side on the top section of the door beneath th[...]

  • Page 12

    12 Measure Distance Lag Screws 5/16"-18x1-7/8" Structural Suppor ts Brack et (Not Provided) Lag Screws 5/16"-18x1-7/8" (Not Provided) Bolt 5/16"-18x7/8" Lock W asher 5/16" Nut 5/16"-18 FINISHED CEILING Hidden Suppor t Bolt 5/16"-18x7/8" Lock W asher 5/16" Nut 5/16"-18 Bolt 5/16"-18x7/[...]

  • Page 13

    13 To prevent possible SERIOUS INJURY or DEATH from electrocution: • Be sure power is not connected BEFORE installing door control. • Connect ONLY to 24 VOLT low voltage wires. To prevent possible SERIOUS INJURY or DEATH from a closing garage door: • Install door control within sight of garage door, out of reach of children at a minimum heigh[...]

  • Page 14

    14 INST ALLA TION STEP 7 Install the Light • 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 light will tur n ON and remain lit for appro ximately 4-1/2 minutes when[...]

  • Page 15

    15 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, y our 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 ha ve, c[...]

  • Page 16

    16 Invisible Light Beam Protection Area Safety Reversing Sensor 6" (15 cm) max. above floor Safety Reversing Sensor 6" (15 cm) max. above floor Facing 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 w[...]

  • Page 17

    17 DOOR TRA CK MOUNT (RIGHT SIDE) Indicator Light Lens Lip Sensor Brack et Door T rack FLOOR MOUNT (RIGHT SIDE) W ALL MOUNT (RIGHT SIDE) Indicator Light Sensor Brack et Lens Extension Brack et (See Accessories) Inside Garage W all (Provided with Extension Brack et) (Provided with Extension Brack et) Figure 1 Figure 2 Figure 3 Figure 4 W ALL MOUNT ([...]

  • Page 18

    18 Invisib le Light Beam Protection Area Safety Re versing Sensor Safety Re versing Sensor Connect Wire to Opener Quick-Connect T erminals Bell Wire Bell Wire Finished Ceiling Quick-Connect T erminals 3. T o release or inser t wire, push in tab with screwdriver tip 1. Str ip wire 7/16" (11 mm) 2. T wist like colored wires together 7/16" ([...]

  • Page 19

    19 Fiberglass, aluminum or lightweight steel garage doors WILL REQUIRE reinforcement BEFORE installation of door bracket. Contact your door manufacturer for reinforcement kit. INST ALLA TION STEP 11 Fasten the Door Bracket F ollow instructions which apply to your door type as illustrated belo w or on the follo wing page. A horizontal reinfor cement[...]

  • Page 20

    20 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. METAL DOOR Top of Door (Inside Garage) Door Bracket Optional [...]

  • Page 21

    21 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 trolley . Slide the outer trolley bac k (aw a y [...]

  • Page 22

    22 ALL ONE-PIECE DOORS 1. Assemble the door arm, Figur e 4: • F asten the straight and cur v ed door ar m sections together to the longest possible length (with a 2 or 3 hole ov er lap). • With the door 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 fastener[...]

  • Page 23

    23 Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY 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 (force or travel limits) is adjusted, the other control [...]

  • Page 24

    24 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. [...]

  • Page 25

    25 Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Safety reversal system MUST be tested every month. • If one control (force or travel limits) is adjusted, the other control may also need adjustment. • After ANY adjustments are made, t[...]

  • Page 26

    IMPOR T ANT SAFETY INSTRUCTIONS OPERA TION T o reduce the risk of SEVERE INJUR Y or DEA TH: 1. READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS. 2. ALWAYS 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. ONLY activate garage door when it can be seen cle[...]

  • Page 27

    27 T o Open the Door Manually The door should be fully closed if possible . Pull down on the emergency release handle and lift the door manually . T o reconnect the door to the opener , press the door control push bar . The lock out feature pre vents the trolley from reconnecting automatically . Pull the emergency release handle down and bac k (tow[...]

  • Page 28

    28 CARE OF YOUR OPENER LIMIT AND FORCE ADJUSTMENTS: W eather conditions may cause some minor changes in door operation requiring some re-adjustments, particular ly during the first year of oper ation. P ages 23 and 24 refer to the limit and f orce adjustments. Only a screwdriv er is required. Follo w the instructions carefully . Repeat the safety r[...]

  • Page 29

    29 HA VING A PROBLEM? 1. My door will not close and the light b ulbs blink on m y motor unit: The safety re versing sensor must be connected and aligned correctly bef ore the garage door opener will mov e in the down direction. • V er ify the saf ety sensors are properly installed, aligned and free of any obstructions. Refer to Installation Step [...]

  • Page 30

    Bell Wire Safety Reversing Sensor Diagnostics Located On Motor Unit LED or Diagnostic LED “Learn” Button 30 Installed Safety Reversing Sensor Y our gar age door opener is programmed with self-diagnostic capabilities. The “Learn” button/diagnostic LED will flash a number of times then pause signifying it has f ound a potential issue. Consult[...]

  • Page 31

    31 *3-Button Remotes (315 MHz) If provided with y our garage door opener , the large button is f actor y programmed to operate it. Additional buttons on an y Security ✚ ® 3-Button remote or compact remote can be programmed to oper ate other Security ✚ ® garage door openers. T o Erase All Codes Fr om Motor Unit Memory T o deactivate an y unwan[...]

  • Page 32

    32 L O C K L IGH T 1. Enter a f our 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. Contin ue holding the ENTER and LIGHT buttons while y ou press the push bar on the Multi-Function Door Con[...]

  • Page 33

    33 1 3 4 5 6 2 REP AIR P ARTS Rail Assembly Parts KEY P ART NO . NO . DESCRIPTION 1 4A1008 Master link kit 2 41A4813 Chain pulley br ack et 3 41A3489 Complete trolley assemb ly 4 1707LM One-piece rail f or 7' (2.1 m) door 5 41D3484 Full chain assembly 6 83A11-2 Rail grease NO T SHO WN 1708LM One-piece rail f or 8' (2.4 m) door 1710LM One-[...]

  • Page 34

    34 Motor Unit Assembly Parts 9 12 13 14 5 16 4 15 11 7 17 10 6 6 7 DN UP Brown Wire (Down) Contact LIMIT SWITCH ASSEMBL Y Grey Wire Y ellow Wire (Up) Contact Center Limit Contact Drive Gear 2 3 1 8 18 KEY P ART NO . NO . DESCRIPTION 1 41A5615 Chain spreader 2 41A5585-1 Gear and sprocket assemb ly Complete with: Spring washer , thrust washer , retai[...]

  • Page 35

    35 ACCESSORIES C LO S ED OP E N LOCK L IG HT 374LM 370LM 915LM 395LM 990LM 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 . Remote Light Control: Enables homeo wner to tur n on a lamp , tele vision or other appliance from car , bedside, o[...]

  • Page 36

    © 2009, The Chamber lain Group , Inc. 114A4038B All Rights Reser v ed 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. SIMPL Y DIAL OUR T OLL FREE NUMBER: 1-800-528-9131 www .liftmaster .com For prof essional installation, par ts and service, c[...]