Table of Contents
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CHAMBERLAIN
®
LiftM
I']
i;IKo]
[o]
I_mi'±_l
I •
GARAGE
The Chamberlain Group, Inc.
845 Larch Avenue
EImhurst, Illinois 60126-1196
www.liftmaster.com
0( us
®
DOOR OPENER
Model Series 1200
For Residential
Use Only
Q
®
LiftMaster
Model 1256R-
I/2HP
Model 1246R-
I/3HP
]
Model 1255R - I/2HP
Model 1245R - I/3HP
_00000_
Model 1240R - 1/4HP
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.
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Table of Contents
Related Manuals for Chamberlain LiftMaster Security+ 1256R
Summary of Contents for Chamberlain LiftMaster Security+ 1256R
- Page 1 CHAMBERLAIN ® The Chamberlain Group, Inc. LiftM 845 Larch Avenue EImhurst, Illinois 60126-1196 www.liftmaster.com i;IKo] I_mi'±_l I • 0( us ® GARAGE DOOR OPENER Model Series 1200 For Residential Use Only ® LiftMaster Model 1256R- I/2HP Model 1255R - I/2HP...
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Page 2: Table Of Contents
TABLE OF CONTENTS Introduction 2- 7 Adjustment 28-30 Safety symbol and signal word review ......2 Adjust the travel limits ..........Preparing your garage door ........Adjust the force ............Tools needed ............... Test the safety reversal system ......... 30 Planning .............. -
Page 3: Preparing Your Garage Door
Preparing your garage door Before you begin: To prevent possible SERIOUSINJURY OR DEATH: • Disable locks. • ALWAYScall a trained door systems technician if • Remove any ropes connected to garage door. garage door binds, sticks, or is out of balance. An unbalanced garage door may not reverse when •... -
Page 4: Planning
Planning Do you have an access door in addition to the garage door? If not, Model 1702 Outside Quick Identify the type and height of your garage door. Release is required. See Accessories page. Survey your garage area to see if any of the Look at the garage door where it meets the floor. -
Page 5: Planning
Planning (Continued) ONE-PIECE DOOR INSTALLATIONS Without a properly working safety reversal system, persons (particularly small children) could be • Generally, a one-piece door does not require SERIOUSLYINJUREDor KILLEDby a closing garage reinforcement If your door is lightweight, refer to door. the information relating to sectional doors in •... -
Page 6: Carton Inventory
Lighted Door Control Button w/6ABx 1 - 1/2" screws Chain Remote Control Transmitter Visor Clip Models 1256R, 1255R, 1246R, & 1245R Models 1256R & 1246R only 2-Conductor Bell Wire White & White/Red One-Piece Light Lens (1) Rail Chain Spreader with... -
Page 7: Hardware Inventory
Hardware Inventory Separate all hardware and group as shown below for the assembly and installation procedures. INSTALLATION HARDWARE Hex Bolt Lag Screw Lock Washer 5/16" (4) Rail Grease 5/16"-18x7/8" 5/16"-9 xl-5/8" Lag Screw Handle 5/16"-18xl-7/8" Nut 5/16"-18 (4) Ring Fastener (3) Rope Carriage Bolts Self-Threading... -
Page 8: Fasten The Rail To The Motor Unit
To avoid SERIOUSdamageto garage door opener, use ONLYthose bolts/fasteners mounted in the top of the opener. MODELS 1255R 1245R, and 1240R (For Models 1256R and 1246R see page 9) • Remove the two washered bolts mounted in top of Washered Bolt motor unit. -
Page 9: Assembly
To avoid SERIOUSdamageto garage door opener, use ONLYthose bolts/fasteners mounted in the top of the opener. MODELS 1256R and 1246R ONLY • Remove the two washered bolts mounted in top of motor unit. • Align rail and styrofoam over sprocket. -
Page 10: Install The Chain Spreader And The Chain
Re-install Chain moving garage door opener: • ALWAYSkeep hand clear of sprocket while operating MODELS 1256R AND 1246R ONLY opener. • Securely attach sprocket cover BEFORE operating. • 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). -
Page 11: Tighten The Chain
ASSEMBLY STEP Lock Tighten Chain Outer Nut Washer ALL MODELS • Spin the inner nut and lock washer down the trolley threaded shaft, away from the trolley. • To tighten the chain, turn outer nut in the direction shown. AS YOU TURN THE NUT, KEEP THE CHAIN FROM TWISTING. -
Page 12: Determine The Header Bracket Location
INSTALLATION STEP Determine Header Bracket Finished Ceiling Location Structural Supports To prevent possible SERIOUSINJURYor DEATH: • Header bracket MUST be RIGIDLYfastened to structural support on header wall or ceiling, otherwise garage door might not reverse when required. DO NOT install header bracket over drywall. •... -
Page 13: Installation
ONE-PIECE DOOR WITHOUT TRACK Unfinished 1. Close the door and mark the inside vertical Ceiling centerline of your garage door. Extend the line onto the header wall above door, as shown. Header Wall If headroom clearance is minimal, you can install the header bracket on the ceiling. -
Page 14: Install The Header Bracket
INSTALLATION STEP Install Header Bracket Wall Mounting Holes You can attach the header bracket either to the wall above the garage door, or to the ceiling. Follow the The nail hole is for positioning only. instructions which will work best for your particular You must use lag screws requirements, Do not install the header bracket... -
Page 15: Attach The Rail To The Header Bracket
INSTALLATION STEP 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, NOTE: 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 rail to clear the spring. -
Page 16: Position The Opener
INSTALLATION STEP Position Opener To prevent damage to garage door, rest garage door opener rail on 2x4 placed on top section of door. Follow instructions which apply to your door type as illustrated. SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK A 2x4 laid flat is convenient for setting an ideal door- Rail laid flat... -
Page 17: Hang The Opener
INSTALLATION STEP Hang Opener To avoid possible SERIOUSINJURYfrom a falling garage door opener,fasten it SECURELY to structural Two representative installations are shown. Yours supports of the garage. Concrete anchors MUST be used may be different. Hanging brackets should be angled if installing any brackets into masonry. -
Page 18: Install The Door Control
INSTALLATION STEP Install the Door Control To prevent possible SERIOUSINJURYor DEATHfrom electrocution: Locate the door control within sight of the door at a • Be sure power is not connected BEFORE installing door minimum height of 5 feet (1.5 m) where small control. -
Page 19: Install The Light And Lens
INSTALLATION STEP Install the Light Lens INSTALL THE LIGHT • Install a 75 watt maximum light bulb in the socket. Panel Screw The light will turn ON and remain lit for approximately 4-1/2 minutes when power is Lens Slot connected, Then the light will turn OFF. •... -
Page 20: Electrical Requirements
INSTALLATION STEP Electrical Requirements To prevent possible SERIOUSINJURYor DEATHfrom electrocution or fire: To avoid installation difficulties, do not run the • Be sure power is not connected to the opener,and opener at this time. disconnect power to circuit BEFORE removing cover to To reduce the risk of electric shock, your garage door establish permanent wiring connection. -
Page 21: Install The Protector System R
INSTALLATION STEP Install The Protector System ® • Be sure power is not connected to the garage door opener BEFORE installing the safety reversing sensor. The safety reversing sensor must be connected • To prevent SERIOUSINJURYor DEATHfrom a closing and aligned correctly before the garage door garage door: opener will move in the down direction. - Page 22 INSTALLING THE BRACKETS Be sure power to the opener is disconnected. Figure 1 DOORTRACK MOUNT, RIGHT SIDE) Install and align the brackets so the sensors will face each other across the garage door, with the beam no Door higher than 6" (15 cm) above the floor. They may be installed in one of three ways, as follows.
- Page 23 MOUNTING AND WIRING THE SAFETY SENSORS Figure 5 • Slide a 1/4"-20xl/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. Be sure the lens is not obstructed by a bracket extension (Figure 5).
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Page 24: Fasten The Door Bracket
INSTALLATION STEP Fasten the Door Bracket To prevent damage to garage door, reinforce inside of door with angle iron both vertically and horizontally. Follow instructions which apply to your door type as illustrated below or on the following page. A horizontal reinforcement brace should be long enough to be secured to two or three vertical supports. - Page 25 ONE-PIECE D OORS Please readandcomply withthewarnings a nd reinforcement instructions o ntheprevious page. Theyapplytoone-piece d oorsalso. • Center t hedoorbracket o nthetopofthedoor,in linewiththe header b racket a s shown. M arkeither theleftandright,or thetopandbottom holes. • Metal Doors: Drill 3/16" pilot holes and fasten the HARDWARE SHOWN bracket with the 1/4"-14x5/8"...
- Page 26 INSTALLATION STEP Inner Trolley Connect Door to Trolley Outer Trolley__)_ Follow instructions which apply to your door type as illustrated below and on the following page..C levis Pin lil2 SECTIONAL DOORS ONLY • Make sure garage door is fully closed. Pull the emergency release handle to disconnect the outer iansgte trolley from the inner trolley.
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Page 27: Connect The Door Arm To The Trolley
ALL ONE-PIECE DOORS Door Bracket "_.,..._,_,,.._4_ Ring 1. Assemble the door arm, Figure 4: Fastener Nuts • Fasten the straight and curved door arm sections _A_----_ Lock 5/16"-18 "_J-/_ _,__. Washers t_'_ together to the longest possible length (with a 2 "_._----_ 5/16"... -
Page 28: Adjustment
ADJUSTMENT STEP Adjust UP and DOWN Travel Without a properly installed safety reversal system, Limits persons (particularly small children) could be SERIOUSLYINJUREDor KILLED by a closing garage Limit adjustment settings regulate the points at which door. the door will stop when moving up or down. •... -
Page 29: Adjust The Force
ADJUSTMENT STEP Adjust the Force Without a properly installed safety reversal system, persons (particularly small children) could be Force adjustment controls are located on the back SERIOUSLYINJUREDor KILLED by a closing garage panel of the motor unit. Force adjustment settings door. -
Page 30: Test The Safety Reversal System
ADJUSTMENT STEP Test Safety Reversal System Without a properly installed safety reversal system, persons (particularly small children) could be TEST SERIOUSLYINJUREDor KILLED by a closing garage door. • With the door fully open, place a 1-1/2" (3.8 cm) • Safety reversal system MUST be tested every month. board (or a 2x4 laid flat) on the floor, centered •... -
Page 31: Operation
OPERATION IMPORTANT SAFETY INSTRUCTIONS To reduce the risk of SEVERE INJURY or DEATH: 1. READAND FOLLOWALL WARNINGSAND 9. If one control (force or travel limits) is adjusted, the INSTRUCTIONS. other control may also need adjustment. 2. ALWAYSkeep remote controls out of reach of children. 10. -
Page 32: Using The Wall-Mounted Door Control
Using Wall-Mounted To Open Door Manually Door Control Press the push button to open or close the door. Press again to reverse the door during To prevent possible SERIOUSINJURYor DEATHfrom a the closing cycle or to stop the door while it's falling garage door: opening. -
Page 33: Care Of Your Garage Door Opener
Care of Your Opener Having a Problem? 1. The opener doesn't operate from either the LIMIT AND FORCE ADJUSTMENTS: Door Control or the remote control: Weather conditions may cause • Does the opener have electric power? Plug a lamp some minor changes in door into the outlet. -
Page 34: Having A Problem
11. The door reverses for no apparent reason and Having a Problem? (Continued) opener lights blink for 5 seconds after 6. The garage door opens and closes by itself: reversing: • Be sure that all remote control push buttons are •... -
Page 35: Programming
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 against code-theft devices, will be circumvented. The owner of the copyright in the garage door opener does not authorize the purchaser or supplier of the non-rolling code transmitter to circumvent that technical measure. -
Page 36: To Add, Reprogram Or Change A Keyless Entry Pin
To Add, Reprogram or Change a Keyless Entry NOTE: Your new Keyless Entry must be programmed to operate your garage door opener. USING THE "LEARN" BUTTON USING THE MULTI-FUNCTION DOOR CONTROL 1. Press and release the "learn" NOTE: This method requires two people if the Keyless button on motor unit. -
Page 37: Repair Parts
REPAIR PARTS Rail Assembly Parts PART DESCRIPTION 4A1008 Master link kit 41A4813 Chain pulley bracket 41A3489 Complete trolley assembly 1707LM One-piece rail 41 D3484 Full chain assembly 83All-2 Rail grease Installation Parts PART DESCRIPTION 41A4166 Door control button 971LM Single-button remote control 10A20 3V2032 Lithium battery... -
Page 38: Motor Unit Assembly Parts
Complete with: Motor, worm, bracket, bearing 31D380 Sprocket cover (all other models) assembly, RPM sensor. 4104206A Gear and sprocket assy. Cover (1256R, 1255R) (1256R, 1246R) 41A3583-11 Cover (1246R, 1245R) 4104220A Gear and sprocket assy. (All other 41 A3583-15 Cover (1240R) -
Page 39: Accessories
ACCESSORIES 1702LM Outside Quick Release: 995LM Remote Light Control: Required for a garage with NO Enables homeowner to turn on a lamp, access door, Enables homeowner to television or other appliance from their car open garage door manually from with their garage door opener remote or from anywhere in their home with an outside by disengaging trolley. -
Page 40: Repair Parts And Service
The motor is warranted to be free from any defect in materials and/or workmanship for a period of 12 full months (1 year) from the date of purchase. © 2004, The Chamberlain Group, Inc. 114A2217K All Rights Reserved Printed in Mexico...
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