Chamberlain Security+ 3275 Owner'S Manual Download

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The Chamberlain Group, Inc.

845 Larch Avenue

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 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 Security+ 3275

Page 1: ...ner 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 ...

Page 2: ... Assembly 6 7 Attach the rail to the motor unit 6 Attach the chain spreader 6 Tighten the chain 7 Installation 7 22 Installation safety instructions 7 Determine the header bracket location 8 Install the header bracket 9 Attach the rail to the header bracket 10 Position the opener 10 Hang the opener 11 Install the door control 12 Install the light 13 Attach the emergency release rope and handle 13 ...

Page 3: ...vent 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 unbalanced garage door may NOT reverse when required NEVER try to loosen move ...

Page 4: ...page 12 Motor unit Extension Spring Slack in chain tension is normal when garage door is closed Slack in chain tension is normal when garage door is closed Slack in chain tension is normal when garage door is closed Vertical Centerline of Garage Door Wall mounted Door Control Gap between ﬂoor and bottom of door must not exceed 1 4 6 mm Torsion Spring OR Access Door Header Wall OR One Piece Door Ex...

Page 5: ...275 267 Only Chain Spreader Chain Remote Control Transmitter Visor Clip Header Bracket Straight Door Arm Section Chain Pulley Bracket Safety Labels and Literature Curved Door Arm Section Safety Reversing Sensor Bracket 2 Styrofoam The Protector System 2 Safety Reversing Sensors 1 Sending Eye and 1 Receiving Eye with 2 Conductor White White Black Bell Wire attached INSTALLATION HARDWARE Hex Bolt 5 ...

Page 6: ...nd styrofoam REMOVE STYROFOAM ASSEMBLY STEP 2 Attach the Chain Spreader Attach chain spreader to the motor unit with two screws Position chain over chain spreader and into the slot of the spreader Wrap chain around the sprocket If necessary loosen the outer nut on the trolley to obtain more chain slack To avoid possible SERIOUS INJURY to ﬁngers from moving garage door opener ALWAYS keep hand clear...

Page 7: ...UCTIONS To reduce the risk of SEVERE INJURY or DEATH WARNING WARNING WARNING WARNING 1 READ AND FOLLOW ALL INSTALLATION WARNINGS AND INSTRUCTIONS 2 Install garage door opener ONLY on properly balanced and lubricated garage door An improperly balanced door may NOT reverse when required and could result in SEVERE INJURY or DEATH 3 ALL repairs to cables spring assemblies and other hardware MUST be ma...

Page 8: ...or 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 To prevent possible SERIOUS INJURY or DEATH Header bracket MUST be RIGIDLY fastened to structural support on header wall or ceiling otherwise garage door might NOT reverse when required DO NOT install header bracket o...

Page 9: ...he bracket on the vertical mark no more than 6 15 cm from the wall Make sure the arrow is pointing toward the wall The bracket can be mounted ﬂush against the ceiling when clearance is minimal Mark the side holes Drill 3 16 pilot holes and fasten bracket securely to a structural support with the hardware provided HARDWARE SHOWN ACTUAL SIZE Lag Screw 5 16 9x1 5 8 Vertical Centerline of Garage Door ...

Page 10: ...or 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 and place a 2x4 on its side on the top section of the door beneath the rail The top of the door should be level with the top of the motor unit Do not position the opener more than 4 10 cm above this point Head...

Page 11: ...n line with the header bracket if the bracket is not centered above the door 7 Remove the 2x4 Operate the door manually If the door hits the rail raise the header bracket NOTE DO NOT connect power to opener at this time Lag Screw 5 16 18x1 7 8 Hex Bolt 5 16 18x7 8 HARDWARE SHOWN ACTUAL SIZE Lock Washer 5 16 Nut 5 16 18 To avoid possible SERIOUS INJURY from a falling garage door opener fasten it SE...

Page 12: ...rip 7 16 11 mm of insulation from end of bell wire Connect bell wire to the quick connect terminals as follows white to white and white red to red Figure 5 NOTE When connecting multiple door controls to the opener twist same color wires together Insert wires into quick connect holes white to white and red white to red 5 Use tacks or staples to permanently attach entrapment warning label to wall ne...

Page 13: ...d of the rope through the hole in the top of the red handle so NOTICE reads right side up as shown Secure with an overhand knot at least 1 2 5 cm from the end of the rope to prevent slipping Thread the other end of the rope through the hole in 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 ...

Page 14: ...d 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 grounded Reinstall the cover To avoid installation difﬁculties do not run the opener at this time RIGHT WRONG PERMANENT WIRING CONNECTION Green Ground Screw Ground Tab Ground Wire White Wire White Wire Black Wir...

Page 15: ...re designed to clip onto the track of sectional garage doors without additional hardware If it is necessary to mount the units on the wall the brackets must be securely fastened to a solid surface such as the wall framing Extension brackets see Accessories are available if needed If installing in masonry construction add a piece of wood at each location to avoid drilling extra holes in masonry if ...

Page 16: ...e the ﬂoor Attach brackets to wall with lag screws Not provided If using extension brackets or wood blocks adjust right and left assemblies to the same distance out from the mounting surface Make sure all door hardware obstructions are cleared Floor installation Figure 4 Use wood blocks or extension brackets see Accessories to elevate sensor brackets so the lenses will be no higher than 6 15 cm ab...

Page 17: ... sensors follow the instructions below Cut the end of the safety sensor wire making sure there is enough wire to reach the pre installed wires from the wall Figure 7 Separate the safety sensor wires and strip 7 16 inch 11 mm of insulation from each end Choose two of the pre installed wires and strip 7 16 inch 11 mm of insulation from each end Make sure that you choose the same color pre installed ...

Page 18: ...correct wiring between sensors and opener A broken wire 2 If the sending eye indicator light glows steadily but the receiving eye indicator light doesn t Check alignment Check for an open wire to the receiving eye 3 If the receiving eye indicator light is dim realign either sensor NOTE When the invisible beam path is obstructed or misaligned while the door is closing the door will reverse If the d...

Page 19: ...ng holes Secure the door bracket using the two 1 4 14x5 8 self threading screws Figure 2A Alternately use two 5 16 bolts lock washers and nuts not provided Figure 2B Metal insulated or light weight factory reinforced doors Drill 3 16 fastening holes Secure the door bracket using the self threading screws Figure 3 Wood Doors Use top and bottom or side to side door bracket holes Drill 5 16 holes thr...

Page 20: ...the door if required for your installation Refer to the dotted line optional placement drawing HARDWARE SHOWN ACTUAL SIZE Self Threading Screw 1 4 14x5 8 Self Threading Screw 1 4 14x5 8 Door Bracket Door Bracket Top of Door Inside Garage Header Wall Door Bracket 2x4 Support Optional Placement of Door Bracket Header Bracket Vertical Centerline of Garage Door HORIZONTAL AND VERTICAL REINFORCEMENT IS...

Page 21: ...e 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 Bring arm sections together Find two pairs of holes that line up and join with bolts lock washers and nuts Pull the emergency release handle toward the opener at a 45 angle so that the trolley release arm is hori...

Page 22: ...ush button The trolley will travel to the fully closed position Manually close the door and lift the door arm to the trolley The arm should touch the trolley just ahead of the door arm connector hole Refer to the fully closed trolley door arm positions in the illustration If the arm is behind the connector hole adjust the limit further One full turn equals 3 7 5 cm of trolley travel 3 Connect the ...

Page 23: ... 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 3 7 5 cm of travel If door still won t close completely and the trolley bumps into the pulley bracket page 4 try lengthening the door arm page 21 and decreasing the down limit If the opener reverses in fully closed position Decrease dow...

Page 24: ... by turning the control 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 required to close the door 2 Test the UP open force Grasp the door bottom when the door is about halfway through UP open travel The door should stop If the door is hard to hold or doe...

Page 25: ...nt 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 close the door The door will not move more than an inch 2 5 cm and the opener lights will ﬂash The garage door opener will not close from a remote if the indicator light in either sensor is off ale...

Page 26: ...des Your opener will operate with up to eight Security remote controls and one Security Keyless Entry System If you purchase a new remote or if you wish to deactivate any remote follow the instructions in the Programming section Activate your opener with any of the following The hand held Remote Control Hold the large push button down until the door starts to move The wall mounted Door Control Hol...

Page 27: ...conds The push bar light will ﬂash as long as the Lock feature is on To turn off press and hold the Lock button again for 2 seconds The push bar light will stop ﬂashing The Lock feature will also turn off whenever the learn button on the motor unit panel is activated Additional features when used with the 3 Button hand held remote A To control the opener lights In addition to operating the door yo...

Page 28: ...or systems technician Check to be sure door opens and closes fully Adjust limits and or force if necessary See pages 23 and 24 Repeat the safety reverse test Make any necessary adjustments See Adjustment Step 3 Two Times a Year Check chain tension Disconnect trolley ﬁrst Adjust if necessary see page 7 Every Year Oil door rollers bearings and hinges The opener does not require additional lubricatio...

Page 29: ...s 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 Adjustment Step 1 Adjust the UP and DOWN Travel Limits Decrease down travel by turning down limit adjustment screw clockwise 5 My lights will not turn off when door is open The garage door opener is equipped with a security light...

Page 30: ...it Momentarily short across red and white terminals with jumper wire If motor unit activates replace door control wires Symptom Sending indicator light glows steadily receiving indicator light is dim or ﬂashing Realign receiving eye sensor clean lens and secure brackets Verify door track is ﬁrmly secured to wall and does not move Symptom Motor has overheated the motor unit does not operate or trol...

Page 31: ...y To deactivate any unwanted remote ﬁrst erase all codes Press and hold the learn button on motor unit until the learn indicator light goes out approximately 6 seconds All previous codes are now erased Reprogram each remote or keyless entry you wish to use 3 Button Remotes 315MHz If provided with your garage door opener the large button is factory programmed to operate it Additional buttons on any...

Page 32: ...lights will blink once when the PIN has been learned Test by pressing the new PIN then press ENTER The door should move To set a temporary PIN You may authorize access by visitors or service people with a temporary 4 digit PIN After a programmed number of hours or number of accesses this temporary PIN expires and will no longer open the door It can be used to close the door even after it has expir...

Page 33: ...mote control 3 10A20 3V2032 Lithium battery 4 29B137 Remote control visor clip 5 41A2828 Emergency release rope handle assembly 6 41B4494 1 2 Conductor bell wire white white red 7 41A5047 1 Door bracket w clevis pin fastener 8 41A4353 1 Header bracket w clevis pin fastener 9 41A5034 Safety sensor kit receiving and sending eyes with 3 9 m 2 conductor bell wire 10 178B34 Straight door arm section 11...

Page 34: ...th Motor worm bracket gear case bearing assembly RPM sensor KEY PART NO NO DESCRIPTION 11 41A5525 72 Cover 12 41A2818 Limit switch drive retainer 13 41D3452 2 Limit switch assembly 14 41A2822 1 Interrupter cup assembly 15 41C4398A RPM sensor assembly 16 41AC075 2S Receiver logic board assembly Complete with Logic board end panel w all labels light socket 17 41C5830 High voltage wire harness 18 41C...

Page 35: ...ry button Includes battery 378LM 990LM Surge Protector The Garage Door Opener Surge Protector is designed to protect LiftMaster garage door openers against damage from lightning and power surges 370LM Security 3 Button Mini Remote Control With key ring and fastening strip Garage Door Monitor Security for the largest door of your home Tells you if your garage door is open or closed Monitors up to 4...

Page 36: ...onﬁrmed 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 with new or factory rebuilt parts at Seller s sole option ALL IMPLIED WARRANTIES FOR THE PRODUCT INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURP...

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