Chamberlain 1280-298LMC - 1/2 HP Owner'S Manual Download

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Garage Door Opener

Model 1280-298LMC

- 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 NOT CLOSE unless the Protector System

is connected and

properly aligned.

■

Periodic checks of the opener are required to ensure safe operation.

■

The model number label is located under the light lens on the left side of
your opener.

Summary of Contents for 1280-298LMC - 1/2 HP

Page 1: ...safety materials carefully Fasten the manual near the garage door after installation The door WILL NOT CLOSE unless the Protector System is connected and properly aligned Periodic checks of the opene...

Page 2: ...2 Connect door arm to trolley one piece door 23 Adjustment Section Pages 24 26 Travel limit adjustments 24 Force adjustments 25 Test the Protector System 26 Test the safety reverse system 26 Operation...

Page 3: ...seriously injured or killed If your garage door binds sticks or is out of balance call for professional garage door service Garage doors door springs cables pulleys brackets and their hardware are und...

Page 4: ...f there is no access door Before you begin survey your garage area to see whether any of the conditions below apply to your installation You may find it helpful to refer back to this page as you proce...

Page 5: ...Keyless Entry Your garage door opener is packaged in two cartons which contain all parts illustrated below If anything is missing carefully check the packing material Parts may be stuck in the foam Ha...

Page 6: ...shered Screw 5 16 18x1 2 Washered Screw 5 16 18x1 2 T Rail Hole Opener Sprocket Belt T Rail Hole ASSEMBLY STEP 2 Set the Belt Tension By hand thread the spring trolley nut on the threaded shaft until...

Page 7: ...rom all moving parts of the door 7 Install the User Safety Instruction Label on the wall adjacent to the control button and the Maintenance Instruction Label in a prominent location on the inside of t...

Page 8: ...ge 10 when clearance is minimal It may be mounted on the wall upside down if necessary to gain approximately 1 2 If you need to install the header bracket on a 2x4 on wall or ceiling use lag screws no...

Page 9: ...eight on header wall 12 Measure UP from top of CLOSED door Proceed to Step 2 page 10 Header Wall Highest Point of Travel Door Distance Jamb Hardware Door Highest Point of Travel Header Wall Pivot Dist...

Page 10: ...h will work best for your particular requirements Fasten the Header Bracket to the Wall Center the bracket on the vertical guideline with the bottom edge of the bracket on the horizontal line as shown...

Page 11: ...bracket Use packing material as a protective base If the door spring is in the way you ll need help Have someone hold the opener securely on a temporary support to allow the T rail to clear the spring...

Page 12: ...from the floor it will be at a slight angle as shown The top of the door should be level with the top of the opener Do not position the opener more than 2 above this point Top of Opener Top of Door S...

Page 13: ...heck to make sure the T rail is centered over the door or in line with the header bracket if the bracket is not centered above the door Remove the 2x4 Operate the door manually If the door hits the ra...

Page 14: ...ngle gang box See illustrations 1 Strip 1 4 of insulation from one end of the bell wire Connect the wire to the two screw terminals on back of door control white wire to 2 and white red wire to 1 2 Re...

Page 15: ...the manual release only to disengage the trolley and if possible only when the door is closed Garage doors are heavy If the door is open when the handle is pulled the door could close inadvertently if...

Page 16: ...r aside Remove the attached 3 prong cord Connect the black line wire to the screw on the brass terminal the white neutral wire to the screw on the silver terminal and the ground wire to the green grou...

Page 17: ...cator light transmits an invisible light beam to the receiving eye with a green indicator light If an obstruction breaks the light beam while the door is closing the door will stop and reverse to full...

Page 18: ...curved arms facing the door Snap into place against the side of the track It should lie flush with the lip hugging the back edge of the track as shown in Figure 2 If your door track will not support t...

Page 19: ...rrect The sending eye orange indicator light will glow regardless of alignment or obstruction If the green indicator light in the receiving eye is off dim or flickering and the invisible light beam pa...

Page 20: ...side the bracket Position the bracket on the face of the door within the following limits A The top edge of the bracket 2 4 below the top edge of the door B The top edge of the bracket directly below...

Page 21: ...rt Door Bracket All ONE PIECE Door Installation Procedure Center the bracket on the inside face of the door in line with the header bracket as shown Mark either the left and right or the top and botto...

Page 22: ...ase Handle Rope Cut This End Lock Washers 5 16 Nuts 5 16 18 Screws 5 16 18x7 8 Figure 3 If holes in curved arm are above holes in straight arm disconnect straight arm Cut about 6 from the solid end Re...

Page 23: ...the open position parallel to the floor and lift the door arm to the trolley The arm should touch the trolley just in back of the door arm connector hole Refer to the fully open trolley door arm posi...

Page 24: ...avel NOTE To prevent the trolley from hitting the cover protection bolt keep a minimum distance of 2 4 between the trolley and the bolt If door does not open at least 5 feet Adjust the UP open force a...

Page 25: ...en to Adjust the Forces Test the DOWN close force Grasp the door bottom when the door is about halfway through DOWN close travel The door should reverse Reversal halfway through down travel does not g...

Page 26: ...gs and hardware Any repair to or buckling of the garage floor Any repair to or adjustment of the opener 2x4 laid flat Failure to test and adjust the safety reverse system may result in serious injury...

Page 27: ...S 2 Do not permit children either to operate or to play with the opener Keep remote control in a location inaccessible to children 3 Operate opener only when the door is in full view and free from any...

Page 28: ...button until the light blinks about 10 seconds TO OPEN THE DOOR MANUALLY To open the door manually The door should be fully closed if possible Pull down on the manual release handle and lift the door...

Page 29: ...ontrol button is pressed Test it by pressing the remote button to see that the door goes up and down Adding a remote can also be done from the door control as follows 1 With the door closed press and...

Page 30: ...amming procedure with all remote controls The remote control has short range The garage door opens and closes by itself 1 Be sure that all remote control push buttons are off 2 Remove the bell wire fr...

Page 31: ...y by its springs If it does not disconnect the opener and call a professional garage door serviceman Do not increase the force to operate the opener The opener motor hums briefly then won t work 1 The...

Page 32: ...41A5056 3 3 channel remote control housing no circuit board 3 10A20 3V2032 Lithium battery 4 29B137 Transmitter visor clip 5 41A2828 Manual release rope handle assy 6 217A238 2 conductor bell wire wh...

Page 33: ...assembly with plug 6 41A5021 5E Receiver logic board assembly Complete with Logic board End panel w all labels 7 41A4888 End panel w all labels 8 4A1344 Light socket 9 108D34 Lens KEY PART NO NO DESC...

Page 34: ...Motion Detecting Door Control Panel Multi function door control with motion sensor that automatically turns opener lights on for 5 minutes when it detects a person entering the garage Sensor can be ea...

Page 35: ...Limit adjustments 30 31 Safety Warnings 15 27 28 Manual Release Rope Handle Lockout Feature 28 Manual Disconnect 28 31 Safety Warnings 24 27 Opener Terminals Door Control Connections 14 Safety Reversi...

Page 36: ...LING THIS PRODUCT AT 1 800 654 4736 Then send this product pre paid and insured to our service center for warranty repair You will be advised of shipping instructions when you call the toll free servi...

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Chamberlain 1280-298LMC - 1/2 HP, Owner'S Manual

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