Chamberlain 3280-390 1/2 HP User Manual Download Page 1

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The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com

GARAGE DOOR OPENER

Model 3280-390 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 on the front panel of your opener.

Summary of Contents for 3280-390 1/2 HP

Page 1: ...er 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 connect...

Page 2: ...opener 28 Having a problem 29 Diagnostic chart 30 Programming 31 32 To add or reprogram a hand held remote control 31 To erase all codes 31 3 Button remotes 31 To add reprogram or change a Keyless Ent...

Page 3: ...WAYS call a trained door systems technician if garage door binds sticks or is out of balance An unbalanced garage door may not reverse when required NEVER try to loosen move or adjust garage door door...

Page 4: ...of door must not exceed 1 4 6 mm Extension Spring Torsion Spring Access Door OR Wall mounted Door Control Motor Unit FINISHED CEILING Support bracket fastening hardware is required See page 12 Vertic...

Page 5: ...ntrol Multi Function Door Control Panel LOCK LIGHT The Protector System 2 Safety Reversing Sensors 1 Sending Eye and 1 Receiving Eye with 2 Conductor White White Black Bell Wire attached Safety Sensor...

Page 6: ...p of motor unit ASSEMBLY STEP 2 Set the Belt Tension By hand thread the spring trolley nut on the threaded shaft until it is finger tight against the trolley Figure 1 Do not use any tools Insert a scr...

Page 7: ...ms 9 Install wall mounted garage door control within sight of the garage door out of reach of children at minimum height of 5 feet 1 5 m away from ALL moving parts of the door 10 Place entrapment warn...

Page 8: ...the top edge of the door NOTE If the total number of inches exceeds the height available in your garage use the maximum height possible or refer to page 9 for ceiling installation Header Wall Section...

Page 9: ...2x4 Structural Support Vertical Centerline of Garage Door Vertical Centerline of Garage Door Horizontal Line Wall Mounting Holes Highest Point of Garage Door Travel Wall Mounting Holes CEILING MOUNT...

Page 10: ...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...

Page 11: ...enient for setting an ideal door to rail distance Remove foam packaging Raise the opener onto a stepladder You will need help at this point if the ladder is not tall enough Open the door all the way a...

Page 12: ...s not centered above the door 7 Remove the 2x4 Operate the door manually If the door hits the rail raise the header bracket 8 Grease the top and underside of the rail surface where the trolley slides...

Page 13: ...rotrude above wall surface Position bottom of door control on screw head and slide down to secure Adjust screw for snug fit Install top screw with care to avoid cracking plastic housing Do not overtig...

Page 14: ...the release arm of the outer trolley Adjust rope length so the handle is 6 feet 1 83 m above the floor Ensure that the rope and handle clear the tops of all vehicles to avoid entanglement Secure with...

Page 15: ...g 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 ground screw The opener must be ground...

Page 16: ...15 cm above the floor Either can be installed on the left or right of the door as long as the sun never shines directly into the receiving eye lens The mounting brackets are designed to clip onto the...

Page 17: ...as shown in Figure 1 If your door track will not support the bracket securely wall installation is recommended Wall installation Figures 2 3 Place the bracket against the wall with curved arms facing...

Page 18: ...is required Loosen the sending eye wing nut and readjust aiming directly at the receiving eye Lock in place Loosen the receiving eye wing nut and adjust sensor until it receives the sender s beam Whe...

Page 19: ...epending on your door s construction Metal or light weight doors using a vertical angle iron brace between the door panel support and the door bracket Drill 3 16 fastening holes Secure the door bracke...

Page 20: ...INUM STEEL DOORS WITH GLASS PANEL ETC NOT PROVIDED ONE PIECE DOORS Please read and comply with the warnings and reinforcement instructions on the previous page They apply to one piece doors also Cente...

Page 21: ...re 3 Hole alignment alternative If holes in curved arm are above holes in straight arm disconnect straight arm Cut about 6 15 cm from the solid end Reconnect to trolley with cut end down as shown Brin...

Page 22: ...hers 5 16 Ring Fastener Straight Arm Bolts 5 16 18x7 8 Door Bracket Clevis Pin 5 16 x1 1 4 Curved Door Arm Press the Door Control push button The trolley will travel to the fully closed position Manua...

Page 23: ...e as explained in Adjustment Step 2 If the door does not close completely Increase down travel Turn the down limit adjustment screw counterclockwise One turn equals 2 5 cm of travel If door still won...

Page 24: ...ntrol clockwise Make small adjustments until the door completes a close cycle After each adjustment run the opener through a complete travel cycle Do not increase the force beyond the minimum amount r...

Page 25: ...of the opener ADJUSTMENT STEP 4 Test The Protector System Press the remote control push button to open the door Place the opener carton in the path of the door Press the remote control push button to...

Page 26: ...A19 Bulb power is 100 watts maximum Security light feature Lights will also turn on when someone walks through the open garage door With a Multi Function Door Control this feature may be turned off as...

Page 27: ...1 1 2 2 1 2 or 3 1 2 minutes as follows Press and hold the Lock button until the light blinks about 10 seconds A single blink indicates that the timer is reset to 1 1 2 minutes Repeat the procedure an...

Page 28: ...e that may cause undesired operation MAINTENANCE SCHEDULE Once a Month Manually operate door If it is unbalanced or binding call a trained door systems technician Check to be sure door opens and close...

Page 29: ...test after adjustments to force or travel limits The need for occasional adjustment for the force and limit settings is normal Weather conditions in particular can affect door travel Refer to Adjustme...

Page 30: ...uch wires together If motor unit activates replace door control If motor unit does not activate disconnect door control wires from motor unit Momentarily short across red and white terminals with jump...

Page 31: ...l be heard 1 Press and release the learn button on the motor unit The learn indicator light will glow steadily for 30 seconds 2 Within 30 seconds press and hold the button on the hand held remote that...

Page 32: ...door even after it has expired To set a temporary PIN 1 Press the four buttons for your personal entry PIN not the last temporary PIN then press and hold the button The opener light will blink three...

Page 33: ...273 1 Multi function door control panel 2 973LM 3 Button remote control 390 MHz 3 10A20 3V2032 Lithium battery 4 29B137 Remote control visor clip 5 41A5047 1 Door bracket w clevis pin fastener 6 41A28...

Page 34: ...labels 6 4A1344 Light socket 7 108D79 Lens 8 30B532 Capacitor 1 2 HP 9 12A373 Capacitor bracket 10 41A3150 Terminal block w screws KEY PART NO NO DESCRIPTION 11 41C4842 Universal replacement motor bra...

Page 35: ...car with their garage door opener remote or from anywhere in their home with an additional LiftMaster Security remote 995LM 3 Button Security Remote Control Includes visor clip Motion Detecting Contro...

Page 36: ...confirmed to be defective and covered by this limited warranty will be repaired or replaced at Seller s sole option at no cost to you and returned pre paid Defective parts will be repaired or replaced...

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Chamberlain 3280-390 1/2 HP, User Manual

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