Instruction/ maintenance manual of the product 1345M Chamberlain
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The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1 196 www .liftmaster .com GARAGE DOOR OPENER Model Series 1300 For Residential Use Only Owner’ s Manual ■ Please read this manual and the enc losed safety materials carefully! ■ Fasten the man ual near the garage door after installation.
2 When you see these Safety Symbols and Signal Words on the following pages, they will alert you to the possibility of serious injury or death if you do not comply with the warnings that accompany them. The hazard may come from something mechanical or from electric shock.
3 T o prevent damage to garage door and opener: • AL WA YS disable locks BEFORE installing and operating the opener . • ONL Y operate garage door opener at 120V , 60 Hz to avoid malfunction and damage.
4 Safety Re v ersing Sensor S u pport b racket & fastening hard w are is re qu ired. See page 17. — — — — — — — — Header W all FI N ISHED CEILI N G T orsion Spring Extension Spring.
5 Without a properly working safety reversal system, persons (particularly small children) could be SERIOUSL Y INJURED or KILLED by a closing garage door . • The gap between the bottom of the garage door and the floor MUST NOT exceed 1/4" (6 mm).
6 Straight Door Arm Section C u r v ed Door Arm Section Safety La b els and Literat u re Header Bracket U P C E IL I N G M O U N T O N L Y Sprocket Co v er 2-Cond u ctor Bell W ire W hite & W hite.
7 Hardwar e Inventor y Separate all hardware and group as shown below for the assembly and installation procedures. Nu t 5/16"-1 8 (4) Cle v is Pin 5/16"x2-3/4" (1) N OTICE Handle Dry w.
8 T o avoid SERIOUS damage to garage door opener , use ONL Y those bolts/fasteners mounted in the top of the opener . ASSEMBL Y STEP 1 Fasten the Rail to the Motor Unit MODELS 1355M AND 1345M ONL Y (For Models 1356M and 1346M see page 9) • Remove the two washered bolts mounted in top of motor unit.
9 ASSEMBL Y STEP 3 Fasten the Rail to the Motor Unit MODELS 1356M AND 1346M ONL Y • Remove the two washered bolts mounted in top of motor unit. • Align rail and styrofoam over sprocket. • Cut tape from rail, chain and styrofoam. Remove styrofoam and pull the chain back (away from the mounting plate).
10 ASSEMBL Y STEP 4 Attach the Chain Spreader and Re-install the Chain MODELS 1356M AND 1346M ONL Y • Line up the holes in the chain spreader with the holes in the motor unit as shown. The slot in the chain spreader must fit over the Rail flange (Figure 1).
11 ASSEMBL Y STEP 5 Tighten the Chain ALL MODELS • Spin the inner nut and lock washer down the trolley threaded shaft, away from the trolley . • T o tighten the chain, turn outer nut in the direction shown. AS YOU TURN THE NUT , KEEP THE CHAIN FROM TWISTING.
12 INST ALLA TION 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 TRA CK 1. Close the door and mark the inside vertical centerline of the garage door .
13 Header W all V ertical Centerline of Garage Door 2x4 Unfinished Ceiling 2x4 OPTIONAL CEILING MOUNT FOR HEADER BRACKET Str u ct u ral S u pports ONE-PIECE DOOR WITHOUT TRA CK 1. Close the door and mark the inside vertical centerline of your garage door .
14 INST ALLA TION STEP 2 Install the Header Bracket Y ou 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 brac ket over drywall.
15 Clevis Pin 5/16"x2-3/4" Ring Fastener INST ALLA TION 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. NO TE: If the door spring is in the way y ou’ll need help .
16 ONE-PIECE DOOR WITHOUT TRA CK • 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.
17 INST ALLA TION STEP 5 Hang the Opener T wo representative installations are shown. Y ours may be different. Hanging brackets should be angled (Figure 1) to provide rigid support. On finished ceilings (Figure 2 and Figure 3), attach a sturdy metal bracket to structural supports before installing the opener .
18 T o prevent possible SERIOUS INJURY or DEA TH from electrocution: • Be sure power is not connected BEFORE installing door control. • Connect ONL Y to 24 VOL T low voltage wires.
19 INST ALLA TION STEP 7 Install the Light and Lens INST ALL THE LIGHT • Install an A19 standard neck, 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 .
20 INST ALLA TION STEP 9 Electrical Requirements T o av oid installation difficulties, do not run the opener at this time. T o 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.
21 Invisible Light Beam Protection Area Safety Reversing Sensor 6" (15 cm) max. above floor Safety Reversing Sensor 6" (15 cm) max. above floor Facing the door fr om inside the garage INST A.
22 DOOR TRA CK MOUNT (RIGHT SIDE) Indicator Light Lens Lip Sensor Bracket Door T rack FLOOR MOUNT (RIGHT SIDE) W ALL MOUNT (RIGHT SIDE) Indicator Light Sensor Bracket Lens Extension Bracket (See Acces.
23 Carriage Bolt 1/4"-20x1/2" Lens Wing Nut 1/4"-20 Figure 5 MOUNTING AND WIRING THE SAFETY REVERSING 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 .
24 INST ALLA TION STEP 11 Fasten the Door Bracket Follow instructions which apply to your door type as illustrated below or on the following page. A horizontal reinfor cement brace should be long enough to be secured to two or three vertical supports.
25 Header W all V ertical Centerline of Garage Door Finished Ceilin g Optional Placement of Door Bracket Header Bracket Door Bracket 2x4 S u pport For a door w ith no exposed framing, or for the optional installation, u se lag scre w s 5/16"x1-1/2" ( N ot Pro v ided) to fasten door b racket.
26 INST ALLA TION STEP 12 Connect Door Arm to T rolley Follow instructions which apply to your door type as illustrated below and on the following page. SECTIONAL DOORS ONL Y • Make sure garage door is fully closed. Pull the emergency release handle to disconnect the outer trolley from the inner trolley .
27 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.
28 ADJUSTMENT STEP 1 Adjust the UP and DOWN T ravel Limits Limit adjustment settings regulate the points at which the door will stop when moving up or down. T o operate the opener , press the Door Control push bar . Run the opener through a complete travel cycle.
29 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 direction and stops in the up direction.
30 Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSL Y INJURED or KILLED by a closing garage door . • Safety reversal system MUST be tested every month. • If one control (for ce or travel limits) is adjusted, the other control may also need adjustment.
31 OPERA TION Using Y our Garage Door Opener Y our Security ✚ ® 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. Y our opener will operate with up to eight Security ✚ ® remote controls and one Security ✚ ® Keyless Entry System.
32 T o Open the Door Manually The door should be fully closed if possible. Pull down on the emergency release handle and lift the door manually . T o reconnect the door to the opener , press the door control push button.
33 Having a Problem? 1. The opener doesn't operate from either the Door Control or the remote contr ol: • Does the opener have electric power? Plug a lamp into the outlet. If it doesn't light, check the fuse box or the circuit breaker . (Some outlets are controlled by a wall switch.
34 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 .
35 *3-Button Remotes If supplied with your garage door opener , the large button is factory programmed to operate it. Additional buttons on any Security ✚ ® 3-button remote or mini-remote can be programmed to operate other Security ✚ ® garage door openers.
36 1. Press and release the “learn” button on motor unit. The learn indicator light will glow steadily for 30 seconds. 2. Within 30 seconds, enter a four digit personal identification number (PIN) of your choice on the keypad. Then press and hold the ENTER button.
37 7 U P C E I L I N G M O U N T O N L Y 11 10 NOTICE 5 6 8 1 4 9 12 3 2 Installation Parts REP AIR P ARTS KEY P ART NO . NO . DESCRIPTION 1 41A4166 Door control button 2 371LM Single-button remote co.
38 Motor Unit Assembly Parts 2 1 2A 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 1A 5 6 7 KEY P ART NO .
39 ACCESSORIES C L O SED O P E N L O C K L IG H T 374LM 370LM 915LM 395LM 990LM 1702LM Outside Quick Release: Required for a garage with NO access door .
© 2008, The Chamberlain Group, Inc. 1 14A3587 All Rights Reserved LIFTMASTER ® SER VICE IS ON CALL OUR LARGE SER VICE ORGANIZA TION SP ANS AMERICA INST ALLA TION AND SER VICE INFORMA TION IS AS NEAR AS Y OUR TELEPHONE. SIMPL Y DIAL OUR TOLL FREE NUMBER: 1- 8 00-52 8 -9131 www .
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If you have not bought Chamberlain 1345M yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Chamberlain 1345M - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Chamberlain 1345M you will learn all the available features of the product, as well as information on its operation. The information that you get Chamberlain 1345M will certainly help you make a decision on the purchase.
If you already are a holder of Chamberlain 1345M, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Chamberlain 1345M.
However, one of the most important roles played by the user manual is to help in solving problems with Chamberlain 1345M. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Chamberlain 1345M along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
