Table of Contents
Advertisement
Quick Links
GARAGE DOOR OPENER
Models 3245C 1/3 HP
3255C 1/2 HP
3255-2C 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
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.
®
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
®
is connected and properly
Advertisement
Table of Contents
Related Manuals for Chamberlain 3245C 1/3 HP
Summary of Contents for Chamberlain 3245C 1/3 HP
- Page 1 The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.liftmaster.com ® GARAGE DOOR OPENER Models 3245C 1/3 HP 3255C 1/2 HP 3255-2C 1/2 HP For Residential Use Only Owner’s Manual ■ Please read this manual and the enclosed safety materials carefully! ■...
-
Page 2: Table Of Contents
TABLE OF CONTENTS Introduction Adjustment 23-25 Safety symbol and signal word review......2 Adjust the travel limits ..........23 Preparing your garage door ........3 Adjust the force ............24 Tools needed ...............3 Test the safety reversal system.........25 Planning ..............4 Test the Protector System ®... -
Page 3: Preparing Your Garage Door
Preparing your garage door Before you begin: To prevent possible SERIOUS INJURY or DEATH: • Disable locks. • ALWAYS call a trained door systems technician if garage • Remove any ropes connected to garage door. door binds, sticks or is out of balance. An unbalanced garage door may not reverse when required. -
Page 4: Planning
Planning Identify the type and height of your garage door. Survey your garage area to see if any of the conditions below apply to your installation. Additional materials may be required. You may find it helpful to refer back to this page and the accompanying illustrations as you proceed with the installation of your opener. -
Page 5: Carton Inventory
Carton Inventory Your garage door opener is packaged in two cartons which If anything is missing, carefully check the packing material. contain the motor unit and all parts illustrated below. Parts may be stuck in the foam. Hardware for installation Accessories will depend on the model purchased. -
Page 6: Assembly
ASSEMBLY STEP 1 Attach the Rail to the Motor Unit To avoid SERIOUS damage to garage door opener, use ONLY those bolts/fasteners mounted in the top of the opener. To avoid installation difficulties, do not run the garage door opener until instructed to do so. •... -
Page 7: Tighten The Chain
Figure 1 ASSEMBLY STEP 3 Lock Tighten the Chain Washer Outer Nut Inner Nut To Tighten Outer Nut • Spin the inner nut and lock washer down the trolley threaded shaft, away from the trolley. To Tighten Inner Nut • To tighten the chain, turn outer nut in the direction shown (Figure 1). -
Page 8: Determine The Header Bracket Location
Unfinished INSTALLATION STEP 1 Ceiling OPTIONAL Determine the Header Bracket CEILING MOUNT Location HEADER BRACKET Header Wall Vertical Centerline To prevent possible SERIOUS INJURY or DEATH: of Garage Door • Header bracket MUST be RIGIDLY fastened to structural Structural support on header wall or ceiling, otherwise garage door Supports might not reverse when required. -
Page 9: Install The Header Bracket
INSTALLATION STEP 2 Install the 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 instructions CEILING MOUNT ONLY The nail hole is for which will work best for your particular requirements. Do positioning only. -
Page 10: Attach The Rail To The Header Bracket
INSTALLATION 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. NOTE: If the door spring is in the way you’ll need help. -
Page 11: Position The Opener
INSTALLATION STEP 4 Position the 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-to-rail distance. -
Page 12: Hang The Opener
INSTALLATION STEP 5 Hang the Opener To avoid possible SERIOUS INJURY from a falling garage door opener, fasten it SECURELY to structural supports of the Three representative installations are shown. Yours may garage. Concrete anchors MUST be used if installing any be different. -
Page 13: Install The Door Control
INSTALLATION STEP 6 Install the Door Control To prevent possible SERIOUS INJURY or DEATH from electrocution: Locate door control within sight of door at a minimum • Be sure power is not connected BEFORE installing door height of 5 feet (1.5 m) where small children cannot reach, control. -
Page 14: Install The Light
INSTALLATION STEP 7 Install the Light To prevent possible OVERHEATING of the endpanel or light socket: • Press the release tabs on both sides of lens. Gently • DO NOT use short neck or specialty light bulbs. rotate lens back and downward until the lens hinge is in •... -
Page 15: Electrical Requirements
INSTALLATION STEP 9 Electrical Requirements To prevent possible SERIOUS INJURY or DEATH from electrocution or fire: To avoid installation difficulties, do not run the opener • Be sure power is not connected to the opener, and 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 16: Install The Protector System
INSTALLATION STEP 10 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 and To prevent SERIOUS INJURY or DEATH from a closing garage aligned correctly before the garage door opener will door: move in the down direction. - Page 17 INSTALLING THE BRACKETS Be sure power to the opener is disconnected. Install Figure 1 DOOR TRACK MOUNT (RIGHT SIDE) and align the brackets so the sensors will face each other across the garage door, with the beam no higher than 6" Door (15 cm) above the floor.
- Page 18 MOUNTING AND WIRING THE SAFETY REVERSING Figure 5 SENSORS Wing Nut • Slide a 1/4"-20x1/2" carriage bolt head into the slot on 1/4"-20 each sensor. Use wing nuts to fasten sensors to brackets, with lenses pointing toward each other across the door.
-
Page 19: Fasten The Door Bracket
INSTALLATION STEP 11 Fasten the Door Bracket Fiberglass, aluminum or lightweight steel garage doors WILL REQUIRE reinforcement BEFORE installation of door bracket. Follow instructions which apply to your door type as Contact your door manufacturer for reinforcement kit. 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 20 ONE-PIECE DOORS Please read and comply with the warnings and reinforcement instructions on the previous page. They apply to one-piece doors also. • Center the door bracket on the top of the door, in line with the header bracket as shown. Mark either the left and right, or the top and bottom holes.
-
Page 21: Connect Door Arm To Trolley
INSTALLATION STEP 12 Inner Trolley Connect Door Arm to Trolley Outer Trolley Follow instructions which apply to your door type as illustrated below and on the following page. SECTIONAL DOORS ONLY Clevis Pin 5/16"x1" Ring Make sure garage door is fully closed. Pull the emergency Fastener release handle to disconnect the outer trolley from the inner trolley. -
Page 22: Connect The Door Arm To The Trolley
ALL ONE-PIECE DOORS Door Bracket Ring 1. Assemble the door arm, Figure 4: Fastener Nuts • Fasten the straight and curved door arm sections Lock 5/16"-18 Washers together to the longest possible length (with a 2 or 3 5/16" hole overlap). Clevis Pin Straight 5/16"x1-1/4"... -
Page 23: Adjustment
ADJUSTMENT STEP 1 Adjust the UP and DOWN Travel Limits Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or Limit adjustment settings regulate the points at which the KILLED by a closing garage door. door will stop when moving up or down. -
Page 24: Adjust The Force
ADJUSTMENT STEP 2 Adjust the Force Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or Force adjustment controls are located on the back panel KILLED by a closing garage door. of the motor unit. Force adjustment settings regulate the •... -
Page 25: Test The Safety Reversal System
ADJUSTMENT STEP 3 Test the Safety Reversal System Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. TEST • Safety reversal system MUST be tested every month. •... -
Page 26: Operation
WARNING OPERATION IMPORTANT SAFETY INSTRUCTIONS WARNING WARNING To reduce the risk of SEVERE INJURY or DEATH: 1. READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS. 9. If one control (force or travel limits) is adjusted, the other control may also need adjustment. 2. -
Page 27: Using The Wall-Mounted Door Control
Using the Wall-Mounted B) To operate one door using all three buttons on the hand-held remote: Door Control You may program the remote to open the door with the large button, close it THE MULTI-FUNCTION DOOR CONTROL Open with the middle button, and stop the Press the push button to open or close the Close Push... -
Page 28: Care Of Your Garage Door Opener
THE REMOTE CONTROL BATTERY CARE OF YOUR OPENER LIMIT AND FORCE ADJUSTMENTS: Weather conditions may cause To prevent possible SERIOUS INJURY or DEATH: FORCE CONTROLS some minor changes in door • NEVER allow small children near batteries. operation requiring some •... -
Page 29: Having A Problem
HAVING A PROBLEM? 1. My door will not close and the light bulbs blink on Bell Wire my motor unit: The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in the down direction. •... -
Page 30: Diagnostic Chart
Bell Wire Diagnostics Installed Located On Safety Reversing Motor Unit Sensor LED or Diagnostic Your garage door opener is programmed with self-diagnostic capabilities. The “Learn” button/diagnostic LED will flash a "Learn" number of times then pause signifying it has found a potential Safety Reversing Sensor Button issue. -
Page 31: 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 32: To Add, Reprogram Or Change A Keyless Entry Pin
To Add, Reprogram or Change a Keyless Entry PIN NOTE: Your new Keyless Entry must be programmed to operate your garage door opener. USING THE “LEARN” BUTTON USING THE MULTI-FUNCTION DOOR CONTROL NOTE: This method requires two people if the Keyless Entry 1. -
Page 33: Repair Parts
REPAIR PARTS Rail Assembly Parts PART DESCRIPTION 4A1008 Master link kit 41A4813 Chain pulley bracket 41A3489 Complete trolley assembly 1707LMC One-piece rail 1708LMC 8' (2.4 m) complete rail 1710LMC 10' (3 m) complete rail 41D3484 Full chain assembly 83A11-2 Rail grease Installation Parts KEY PART DESCRIPTION... -
Page 34: Motor Unit Assembly Parts
Motor Unit Assembly Parts (Down) LIMIT SWITCH ASSY. Brown Contact Wire Grey Wire Drive Gear Center Limit (Up) Yellow Contact Contact Wire PART PART DESCRIPTION DESCRIPTION 31D380 Sprocket cover 41A5525-1 Cover 41C4220A Gear and sprocket assembly 41A2818 Limit switch drive & retainer Complete with: Spring washer, 41D3452 Limit switch assembly... -
Page 35: Accessories
395LMC Remote Light Control: Enables homeowner to turn on a lamp, television or other appliance from their car with their garage door opener remote or from anywhere in their home with an additional LiftMaster Security✚ ® remote.