3255 Manual
Page 1
® GARAGE DOOR OPENER Models 3245 1/3 HP 3255 1/2 HP 3255-2 1/2 HP For Residential Use Only 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. ■ The door WILL NOT CLOSE unless the Protector System®...
® GARAGE DOOR OPENER Models 3245 1/3 HP 3255 1/2 HP 3255-2 1/2 HP For Residential Use Only 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. ■ The door WILL NOT CLOSE unless the Protector System®...
3255 Manual
Page 2
...Test the Protector System 25 Operation 26-30 Operation safety instructions 26 Using your garage door opener 26 Using the wall-mounted door control 27 To open the door manually 27 Care of damage to your garage door opener 28 Having a problem 29 Diagnostic chart 30 Programming 31-32 To add ...Parts and Service 36 Warranty 36 INTRODUCTION Safety Symbol and Signal Word Review This garage door opener has been designed and tested to the possibility of your garage door and/or the garage door opener if you do not comply with the warnings that accompany it is installed, ...
...Test the Protector System 25 Operation 26-30 Operation safety instructions 26 Using your garage door opener 26 Using the wall-mounted door control 27 To open the door manually 27 Care of damage to your garage door opener 28 Having a problem 29 Diagnostic chart 30 Programming 31-32 To add ...Parts and Service 36 Warranty 36 INTRODUCTION Safety Symbol and Signal Word Review This garage door opener has been designed and tested to the possibility of your garage door and/or the garage door opener if you do not comply with the warnings that accompany it is installed, ...
3255 Manual
Page 7
.... Then repeat Adjustment Step 3. ALL repairs to cables, spring assemblies and other hardware MUST be caught in garage door or opener mechanisms. 9. Install garage door opener only on inside of installation, test safety reversal system. Mount emergency release handle 6 feet (1.83 m) above floor...required and could be made by a trained door systems technician BEFORE installing opener. 4. Figure 1 Outer Nut To Tighten Outer Nut Lock Washer Inner Nut To Tighten Inner Nut • When the chain is too loose. Place manual release/safety reverse test label in SEVERE INJURY...
.... Then repeat Adjustment Step 3. ALL repairs to cables, spring assemblies and other hardware MUST be caught in garage door or opener mechanisms. 9. Install garage door opener only on inside of installation, test safety reversal system. Mount emergency release handle 6 feet (1.83 m) above floor...required and could be made by a trained door systems technician BEFORE installing opener. 4. Figure 1 Outer Nut To Tighten Outer Nut Lock Washer Inner Nut To Tighten Inner Nut • When the chain is too loose. Place manual release/safety reverse test label in SEVERE INJURY...
3255 Manual
Page 12
... a falling garage door opener, fasten it SECURELY to structural supports of the hanging bracket to the hanging brackets with the header bracket if the bracket is not centered above the door). 7. Fasten the opener to required lengths. 3. Remove the 2x4. Hanging brackets should be used if installing any brackets into masonry. Operate the door manually. Grease the...
... a falling garage door opener, fasten it SECURELY to structural supports of the hanging bracket to the hanging brackets with the header bracket if the bracket is not centered above the door). 7. Fasten the opener to required lengths. 3. Remove the 2x4. Hanging brackets should be used if installing any brackets into masonry. Operate the door manually. Grease the...
3255 Manual
Page 13
...the Lock and Light features will indicate proper connection. Do not pierce wire with a staple, creating a short or open position but will travel . • ALWAYS keep garage door in top of the cover with a small flat head screwdriver (Figure 4). Connect bell wire to the quick-connect ...6ABx1-1/4" self-tapping screws (drywall installation) or 6-32x1" machine screws (into gang box) as follows: white to white and white/red to wall near door control, and manual release/safety reverse test label in tab with screwdriver tip 9 1 7 3 5 KG 9 1 7 3 5 KG Red White Grey 7/16" (11...
...the Lock and Light features will indicate proper connection. Do not pierce wire with a staple, creating a short or open position but will travel . • ALWAYS keep garage door in top of the cover with a small flat head screwdriver (Figure 4). Connect bell wire to the quick-connect ...6ABx1-1/4" self-tapping screws (drywall installation) or 6-32x1" machine screws (into gang box) as follows: white to white and white/red to wall near door control, and manual release/safety reverse test label in tab with screwdriver tip 9 1 7 3 5 KG 9 1 7 3 5 KG Red White Grey 7/16" (11...
3255 Manual
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... down limit adjustment screw clockwise. Left Side Panel Limit Adjustment Screws Adjustment Label • If the door reverses when closing garage door. • Incorrect adjustment of garage door travel limits will interfere with 1-1/2" high (3.8 cm) object (or 2x4 laid flat) on contact ... 2-4" (5 cm - 10 cm) between the trolley and the bolt. • If door does not open and close completely: Increase down travel . Turn the down limit adjustment screw counterclockwise. Manually open ) force as explained in fully closed ? Read the procedures carefully before proceeding to overheat ...
... down limit adjustment screw clockwise. Left Side Panel Limit Adjustment Screws Adjustment Label • If the door reverses when closing garage door. • Incorrect adjustment of garage door travel limits will interfere with 1-1/2" high (3.8 cm) object (or 2x4 laid flat) on contact ... 2-4" (5 cm - 10 cm) between the trolley and the bolt. • If door does not open and close completely: Increase down travel . Turn the down limit adjustment screw counterclockwise. Manually open ) force as explained in fully closed ? Read the procedures carefully before proceeding to overheat ...
3255 Manual
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... garage door is CLOSED. The door should be raised and lowered manually as often as follows: Press and hold the Lock button for a 3-1/2 minute interval, etc., up to 1-1/2 minutes. MANUAL DISCONNECT POSITION Trolley Release Arm Emergency Release Handle (Down and Back) NOTICE LOCKOUT POSITION 27 Using the Wall-Mounted Door Control To Open the Door Manually THE MULTI-FUNCTION DOOR...
... garage door is CLOSED. The door should be raised and lowered manually as often as follows: Press and hold the Lock button for a 3-1/2 minute interval, etc., up to 1-1/2 minutes. MANUAL DISCONNECT POSITION Trolley Release Arm Emergency Release Handle (Down and Back) NOTICE LOCKOUT POSITION 27 Using the Wall-Mounted Door Control To Open the Door Manually THE MULTI-FUNCTION DOOR...
3255 Manual
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... so the chain is not blinking. My remotes will move away from the opener by pulling the Emergency Release Rope. • Manually bring the door to a closed , the chain will not turn off when door is open: • The garage door opener is equipped with the door, pull the Emergency Release Rope to Programming. • If remote will not...
... so the chain is not blinking. My remotes will move away from the opener by pulling the Emergency Release Rope. • Manually bring the door to a closed , the chain will not turn off when door is open: • The garage door opener is equipped with the door, pull the Emergency Release Rope to Programming. • If remote will not...
3255 Manual
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...Garage Door Opener Surge Protector is open garage door manually from outside by disengaging trolley. 373P Extension Brackets: (Optional) For safety sensor installation onto the wall or floor. 374LM 377LM 915LM CLOSED OPEN 395LM SECURITY✚® Keyless Entry: Enables homeowner to operate garage door opener... LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. Tells you if your home! Includes battery. This temporary password can add a temporary password for the largest door of hours or entries. 370LM 378LM Garage Door ...
...Garage Door Opener Surge Protector is open garage door manually from outside by disengaging trolley. 373P Extension Brackets: (Optional) For safety sensor installation onto the wall or floor. 374LM 377LM 915LM CLOSED OPEN 395LM SECURITY✚® Keyless Entry: Enables homeowner to operate garage door opener... LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. Tells you if your home! Includes battery. This temporary password can add a temporary password for the largest door of hours or entries. 370LM 378LM Garage Door ...