BuildMark 1245BM Owner's Manual

Manual is about: Garage Door Opener

Summary of 1245BM

  • Page 1

    Garage door opener models 1245bm (1/3hp) 1255bm (1/2hp) 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 not close unless the protector system ® is connected a...

  • Page 2: Warning

    2 introduction 2-5 safety symbol and signal word review........................2 preparing your garage door ........................................3 tools needed ...............................................................3 planning ..................................................................

  • Page 3: Warning

    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 d...

  • 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. Finished ceiling support bracket & fastening hardware is required. See page 13. Motor unit — — — — — — — — door c...

  • Page 5

    5 straight door arm section curved door arm section safety labels and literature header bracket up ce ilin g mou nt o nly sprocket cover 2-conductor bell wire white & white/red light lens (1) remote control visor clip door bracket buildmark single-function remote control door control button with (2)...

  • Page 6: Warning

    6 assembly step 1 attach the rail to the motor unit to avoid installation difficulties, do not run the garage door opener until instructed to do so. • remove the two washered bolts mounted in top of motor unit. • position rail at a 45˚ angle to opener so one hole in rail and motor unit line up. • th...

  • Page 7: Warning

    7 assembly step 3 tighten the chain • spin the inner nut and lock washer down the 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 from twisting. • when the chain is approximately 1/2" above the base of the rail...

  • Page 8: Warning

    8 installation 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 track 1. Close the door and mark the inside vertical centerline of the garage door. 2. Ext...

  • 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 track 1. Close the door and mark the inside vertical centerline of your garage door. Extend the line onto the header wa...

  • Page 10

    10 installation step 2 install the header bracket you can attach the header bracket either to the wall above the garage door, or to the ceiling. Follow the instructions which will work best for your particular requirements. Do not install the header bracket over drywall. If installing into masonry, ...

  • Page 11

    Clevis pin 5/16"x2-3/4" ring fastener 11 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 opener secu...

  • Page 12: Warning

    12 one-piece door without track • 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 support, raise the top of the opener to this height. • the top of the door should be level with the top of the motor unit. Do no...

  • Page 13: Warning

    13 installation step 5 hang the opener two representative installations are shown. Yours may be different. Hanging brackets should be angled (figure 1) to provide rigid support. On finished ceilings (figure 2), attach a sturdy metal bracket to structural supports before installing the opener. This b...

  • Page 14: Warning

    14 installation step 6 install the door control locate door control within sight of the door at a minimum height of 5 feet where small children cannot reach, and away from moving parts of the door and door hardware. If installing into drywall drill 5/32” holes and use the anchors provided. 1. Strip ...

  • Page 15: Warning

    15 installation step 7 install the light and lens install the light • install a 75 watt maximum light bulb in the socket. The light will turn on and remain lit for approximately 4-1/2 minutes when power is connected. Then the light will turn off. • if the bulb burns out prematurely due to vibration,...

  • Page 16: Warning

    16 installation step 9 electrical requirements to avoid installation difficulties, do not run the opener at this time. To reduce the risk of electric 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...

  • Page 17: Warning

    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 installation step 10 install the protector system ® the safety reversing sensor must be connected and aligned correctly before the garage door opener will mo...

  • 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 garage w all indicator light sensor bracket ...

  • Page 19

    19 carriage bolt 1/4"-20x1/2" lens wing nut 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 brackets, with lenses pointing toward each other across the door. Be sure the lens is not obstructed by a brac...

  • Page 20: Warning

    20 installation step 11 fasten the door bracket follow instructions which apply to your door type as illustrated below or on the following page. A horizontal reinforcement brace should be long enough to be secured to two or three vertical supports. A vertical reinforcement brace should cover the hei...

  • 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. Metal door top of doo...

  • Page 22

    22 installation step 12 connect door arm to trolley follow instructions which apply to your door type as illustrated below and on the following page. Sectional doors only • make sure garage door is fully closed. Pull the emergency release handle to disconnect the outer trolley from the inner trolley...

  • Page 23

    23 all one-piece doors 1. Assemble the door arm, figure 4: • fasten the straight and curved door arm sections together to the longest possible length (with a 2 or 3 hole overlap). • with the door closed, connect the straight door arm section to the door bracket with the 5/16"x1-1/4" clevis pin. • se...

  • Page 24: Warning

    24 adjustment step 1 adjust the up and down travel limits limit adjustment settings regulate the points at which the door will stop when moving up or down. To operate the opener, press the door control push bar. Run the opener through a complete travel cycle. • does the door open and close completel...

  • Page 25: Warning

    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 ...

  • Page 26: Warning

    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 adjust...

  • Page 27: Warning

    Operation 27 using your garage door opener your s afety s ignal™ 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. Your opener will operate with up to eight s afety s ignal™ remote controls and one...

  • Page 28: Warning

    28 to open the door manually the door should be fully closed if possible. Pull down on the emergency release handle and lift the door manually. To reconnect the door to the opener, press the door control push bar. The lockout feature prevents the trolley from reconnecting automatically, pull the eme...

  • Page 29: Warning

    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 ins...

  • 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 ...

  • 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 s afety s ignal™ 3-channel remote or mini-remote can be programmed to operate other s afety s ignal™ garage door openers. To erase all codes from motor unit me...

  • 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 t...

  • Page 33

    3 2 1 11 10 4 notic e 5 6 up ce ili ng m ou nt o nl y 7 8 9 12 1 3 4 5 6 2 installation parts 33 repair parts rail assembly parts key part no. No. Description 1 4a1008 master link kit 2 41a4813 chain pulley bracket 3 41a3489 complete trolley assembly 4 1707lm one-piece rail 5 41d3484 full chain asse...

  • Page 34

    Motor unit assembly parts 34 2 10 8 13 14 15 16 19 4 3 dn up brown wire (down) contact limit switch assy. Grey wire yellow wire (up) contact center limit contact drive gear 9 20 16 12 18 11 17 3 1 5 6 7 key part no.No. Description 1 31d380 sprocket cover 2 41c4220a gear and sprocket assembly complet...

  • Page 35

    35 accessories lock light model 972rgd model 59lm model 974rgd model 970lm model 41a5281 model 1702lm s afety s ignal ™ 3-channel remote control: includes visor clip. S afety s ignal ™ 4-channel remote control: includes visor clip. Security ✚ ™ 3-channel mini remote control: with key ring and velcro...

  • Page 36: Buildmark™ Garage

    © 2003, buildmark garage doors 114a2725b all rights reserved printed in mexico buildmark™ garage door opener one-year limited warranty b uild m ark ™ (“seller”) warrants to the first retail purchaser of this product, for the residence in which this product is originally installed, that it will be fr...