Chamberlain 1345M Owner'S Manual Download Page 1

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The Chamberlain Group, Inc.

845 Larch Avenue

Elmhurst, Illinois 60126-1196

www.liftmaster.com

Owner’s Manual

■

Please read this manual and the enclosed safety materials carefully!

■

Fasten the manual near the garage door after installation.

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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.

GARAGE DOOR OPENER

Model Series 1300

For Residential Use Only

Model 1356M - 1/2HP
Model 1346M - 1/3HP

Model 1355M - 1/2HP
Model 1345M - 1/3HP

Summary of Contents for 1345M

Page 1: ...ar 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 mode...

Page 2: ...31 To open the door manually 31 Care of your opener 32 Having a problem 33 34 Programming 35 36 To add or reprogram a hand held remote control 35 To erase all codes 35 3 Button remotes 35 To add repr...

Page 3: ...lement Preparing your garage door Before you begin Disable locks Remove any ropes connected to garage door Complete the following test to make sure your garage door is balanced and is not sticking or...

Page 4: ...oor and the bottom of the door must not exceed 1 4 6 mm Otherwise the safety reversal system may not work properly See Adjustment Step 3 Floor or door should be repaired SECTIONAL DOOR INSTALLATIONS D...

Page 5: ...r the garage door MUST be repaired to eliminate the gap ONE PIECE DOOR WITHOUT TRACK Header Wall FINISHED CEILING Support bracket fastening hardware is required See page 15 Slack in chain tension is n...

Page 6: ...Washer 5 16 4 Self Threading Screw 1 4 14x5 8 2 Insulated Staples Ring Fastener 3 Drywall Anchors 2 Carriage Bolt 1 4 20x1 2 2 Wing Nut 1 4 20 2 Rope Handle SECURITY Single Button Remote Control 1 Lig...

Page 7: ...M ONLY Position chain over the sprocket If necessary loosen the outer nut on the trolley to obtain more chain slack Insert the second washered bolt CAUTION Use only the bolt previously removed from mo...

Page 8: ...te Fasten the rail with the two washered bolts previously removed Tighten securely Use only these bolts Use of any other bolts will cause serious damage to door opener To avoid SERIOUS damage to garag...

Page 9: ...as shown Figure 3 Continue dispensing the chain forward to the trolley Figure 4 Reconnect the trolley to the trolley threaded shaft Proceed to Assembly Step 5 for chain tightening instructions To avo...

Page 10: ...erly 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 made by a trained door systems technici...

Page 11: ...oint of travel as shown Draw an intersecting horizontal line on the header wall 2 5 cm above the high point This height will provide travel clearance for the top edge of the door Proceed to Step 2 pag...

Page 12: ...draw an intersecting horizontal line on the header wall at the determined height NOTE If the total number of inches exceeds the height available in your garage use the maximum height possible or refe...

Page 13: ...HOWN ACTUAL SIZE CEILING HEADER BRACKET INSTALLATION Extend the vertical centerline onto the ceiling as shown Center the bracket on the vertical mark no more than 6 15 cm from the wall Make sure the a...

Page 14: ...is point if the ladder is not tall enough Open the door all the way and place a 2x4 laid at on the top section beneath the rail If the top section or panel hits the trolley when you raise the door pul...

Page 15: ...ed over the door or in 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 Figure 1...

Page 16: ...se test in a prominent location on the inside of the garage door NOTE DO NOT connect the power and operate the opener at this time The trolley will travel to the full open position but will not return...

Page 17: ...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 oor Secure with an overhand knot NOTE If it is necessary to cut the rop...

Page 18: ...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 Rei...

Page 19: ...eiving eye lens The mounting brackets are 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 s...

Page 20: ...oor 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 d...

Page 21: ...rs follow the instructions below Cut the end of the safety reversing sensor wire making sure there is enough wire to reach the pre installed wires from the wall Figure 7 Separate the safety reversing...

Page 22: ...erminal connections Incorrect 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 fo...

Page 23: ...ction 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 bracket using the two 1 4 14x5 8 self...

Page 24: ...he door if required for your installation Refer to the dotted line optional placement drawing HARDWARE SHOWN ACTUAL SIZE WOOD DOOR METAL DOOR Finished Ceiling HORIZONTAL AND VERTICAL REINFORCEMENT IS...

Page 25: ...as possible to increase door arm rigidity Figure 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 Recon...

Page 26: ...Door Control push 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 c...

Page 27: ...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 t...

Page 28: ...ce 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...

Page 29: ...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 mo...

Page 30: ...arage door It will turn off automatically after 4 1 2 minutes Bulb size is A19 Bulb power is 75 watts maximum OPERATION IMPORTANT SAFETY INSTRUCTIONS To reduce the risk of SEVERE INJURY or DEATH WARNI...

Page 31: ...ed manually as often as necessary To disengage the lockout feature pull the handle straight down The trolley will reconnect on the next UP or DOWN operation To prevent possible SERIOUS INJURY or DEATH...

Page 32: ...3V2032 coin batteries DO NOT recharge disassemble heat above 100 C 212 F or incinerate Care of Your Opener LIMIT AND FORCE ADJUSTMENTS Weather conditions may cause some minor changes in door operatio...

Page 33: ...ange due to a metal door foil backed insulation or metal garage siding 5 Opener noise is disturbing in living quarters of home If operational noise is a problem because of proximity of the opener to t...

Page 34: ...the springs may be broken Close the door and use the emergency release handle to disconnect the trolley Open and close the door manually A properly balanced door will stay in any point of travel whil...

Page 35: ...TON PROGRAMMING NOTICE If this Security garage door opener is operated with a non rolling code transmitter the technical measure in the receiver of the garage door opener which provides security again...

Page 36: ...s and will no longer open the door It can be used to close the 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 the...

Page 37: ...iving and sending eyes with 3 feet 9 m 2 conductor bell wire attached 10 178B34 Straight door arm section 11 178B35 Curved door arm section 12 41A5266 1 Safety reversing sensor brackets 2 NOT SHOWN 41...

Page 38: ...3058 Universal replacement motor bracket assembly Complete with Motor worm bracket bearing assembly RPM sensor 11 41A3583 11 Cover 1 2 HP 1356M 1355M 41A3583 15 Cover 1 3 HP 1346M 1345M 12 41A2818 Hel...

Page 39: ...erate garage door opener from outside by entering a password on a specially designed keyboard Also can add a temporary password for visitors or service persons This temporary password can be limited t...

Page 40: ...ations on how long an implied warranty lasts so the above limitation may not apply to you THIS LIMITED WARRANTY DOES NOT COVER NON DEFECT DAMAGE DAMAGE CAUSED BY IMPROPER INSTALLATION OPERATION OR CAR...

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