8550 Manual
Page 1
...Drive Garage Door Opener Model 8550 FOR RESIDENTIAL USE ONLY Write down the following information for installation instructions. . The Timer -To-Close is ONLY compatible with sectional doors. NOTE: If you are installing the garage door opener on a one -piece door, visit www.liftmaster.com for future reference:... OPENER.. 1 PREPARATION 2 ASSEMBLY 4 INSTALLATION 6-13 INSTALL THE DOOR CONTROL.....14-16 INSTALL THE PROTECTOR SYSTEM 17-20 POWER 21-22 ADJUSTMENT 23-25 BATTERY BACKUP 26-27 OPERATION 28 FEATURES 29 DOOR CONTROL 30-31 REMOTE CONTROLS 32-33 TO ERASE THE MEMORY 33 TO ...
...Drive Garage Door Opener Model 8550 FOR RESIDENTIAL USE ONLY Write down the following information for installation instructions. . The Timer -To-Close is ONLY compatible with sectional doors. NOTE: If you are installing the garage door opener on a one -piece door, visit www.liftmaster.com for future reference:... OPENER.. 1 PREPARATION 2 ASSEMBLY 4 INSTALLATION 6-13 INSTALL THE DOOR CONTROL.....14-16 INSTALL THE PROTECTOR SYSTEM 17-20 POWER 21-22 ADJUSTMENT 23-25 BATTERY BACKUP 26-27 OPERATION 28 FEATURES 29 DOOR CONTROL 30-31 REMOTE CONTROLS 32-33 TO ERASE THE MEMORY 33 TO ...
8550 Manual
Page 2
... and lower the door to the garage door. 2. Otherwise, the safety reversal system may not reverse when required. • NEVER try to loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their hardware, ALL of which are under EXTREME tension. • Disable ALL locks and remove ALL ropes...
... and lower the door to the garage door. 2. Otherwise, the safety reversal system may not reverse when required. • NEVER try to loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their hardware, ALL of which are under EXTREME tension. • Disable ALL locks and remove ALL ropes...
8550 Manual
Page 5
... belt tension. Nut Ring Nut Ring BEFORE 1" (2.5 cm) 5 AFTER RELEASE 1-1/4" (3.18 cm) Spring Trolley Nut Nut ring slot 2.3 Tighten the spring trolley nut with an adjustable wrench or a 7/16" open end wrench about a quarter turn until it firmly against the trolley. 2 Tighten the Belt 2.1 By hand, thread the spring trolley nut...
... belt tension. Nut Ring Nut Ring BEFORE 1" (2.5 cm) 5 AFTER RELEASE 1-1/4" (3.18 cm) Spring Trolley Nut Nut ring slot 2.3 Tighten the spring trolley nut with an adjustable wrench or a 7/16" open end wrench about a quarter turn until it firmly against the trolley. 2 Tighten the Belt 2.1 By hand, thread the spring trolley nut...
8550 Manual
Page 7
...header bracket over drywall. • Concrete anchors MUST be used if mounting header bracket or 2x4 into masonry. • NEVER try to loosen, move or adjust garage door, springs, cables, pulleys, brackets, or their hardware, ALL of which are installing the garage door opener on a one -piece or swinging ...garage door might NOT reverse when required. • DO NOT enable the Timer-to-Close functionality if operating either one -piece door, visit www.liftmaster.com for the top edge of the door. You can attach it to the ceiling when clearance is in your garage, use lag screws (not...
...header bracket over drywall. • Concrete anchors MUST be used if mounting header bracket or 2x4 into masonry. • NEVER try to loosen, move or adjust garage door, springs, cables, pulleys, brackets, or their hardware, ALL of which are installing the garage door opener on a one -piece or swinging ...garage door might NOT reverse when required. • DO NOT enable the Timer-to-Close functionality if operating either one -piece door, visit www.liftmaster.com for the top edge of the door. You can attach it to the ceiling when clearance is in your garage, use lag screws (not...
8550 Manual
Page 14
...at a minimum height of 5 feet Install the door control within sight of the door. • Activate door ONLY when it is properly adjusted, and there are no obstructions to drill holes or install the drywall anchors. on the back of closing garage door: accessories. H14 H15 ...DRYWALL 14 NOTE: Older LiftMaster accessories and third party products are connected at (1.5 m), and away from ALL moving parts of the door the illustrations. • ALWAYS keep...
...at a minimum height of 5 feet Install the door control within sight of the door. • Activate door ONLY when it is properly adjusted, and there are no obstructions to drill holes or install the drywall anchors. on the back of closing garage door: accessories. H14 H15 ...DRYWALL 14 NOTE: Older LiftMaster accessories and third party products are connected at (1.5 m), and away from ALL moving parts of the door the illustrations. • ALWAYS keep...
8550 Manual
Page 23
... to program the travel. Door MUST reverse on contact with proper operation of safety reversal system. • After ANY adjustments are used to make setup and adjustments easy. The electronic controls sense the amount of force required to vehicles, be sure fully open and close (DOWN) position...located on the left side panel of the garage door opener and are made, the safety reversal system MUST be tested. Adjustments Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. •...
... to program the travel. Door MUST reverse on contact with proper operation of safety reversal system. • After ANY adjustments are used to make setup and adjustments easy. The electronic controls sense the amount of force required to vehicles, be sure fully open and close (DOWN) position...located on the left side panel of the garage door opener and are made, the safety reversal system MUST be tested. Adjustments Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. •...
8550 Manual
Page 24
...will begin to flash. * If the garage door opener lights are misaligned or obstructed (refer to page 18). press and release the Adjustment Button. NOTE: The UP and DOWN Buttons can be garage door opener lights will interfere with 1-1/2" (3.8 cm) high object (or 2x4...times during the steps for Program the Travel, the safety reversing sensors are flashing 5 times during the steps for Programming the Travel. 24 Adjustments 1 Program the Travel Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a ...
...will begin to flash. * If the garage door opener lights are misaligned or obstructed (refer to page 18). press and release the Adjustment Button. NOTE: The UP and DOWN Buttons can be garage door opener lights will interfere with 1-1/2" (3.8 cm) high object (or 2x4...times during the steps for Program the Travel, the safety reversing sensors are flashing 5 times during the steps for Programming the Travel. 24 Adjustments 1 Program the Travel Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a ...
8550 Manual
Page 25
... be SERIOUSLY INJURED or KILLED by a closing garage door. • Safety reversal system MUST be tested every month. • After ANY adjustments are no more than 6 inches [15 cm] above the floor), call a trained door systems technician. 3 Test the Protector System 3.1 Open...reversal system MUST be tested. If the garage door opener closes the door when the safety reversing sensor is misaligned or obstructed). Adjustments 2 Test the Safety Reversal System Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or...
... be SERIOUSLY INJURED or KILLED by a closing garage door. • Safety reversal system MUST be tested every month. • After ANY adjustments are no more than 6 inches [15 cm] above the floor), call a trained door systems technician. 3 Test the Protector System 3.1 Open...reversal system MUST be tested. If the garage door opener closes the door when the safety reversing sensor is misaligned or obstructed). Adjustments 2 Test the Safety Reversal System Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or...
8550 Manual
Page 28
...: 1. An improperly balanced door may NOT reverse when required and could result in an open or closed . 5. This operator system is properly adjusted, and there are no obstructions to disengage trolley ONLY when garage door is clear of which are made, the safety reversal system MUST be made... by a trained door systems technician. 13. SAVE THESE INSTRUCTIONS. 28 After ANY adjustments are under EXTREME tension, MUST be tested. 10. The door could fall. 9. NO ONE SHOULD CROSS THE PATH OF THE MOVING DOOR. 15....
...: 1. An improperly balanced door may NOT reverse when required and could result in an open or closed . 5. This operator system is properly adjusted, and there are no obstructions to disengage trolley ONLY when garage door is clear of which are made, the safety reversal system MUST be made... by a trained door systems technician. 13. SAVE THESE INSTRUCTIONS. 28 After ANY adjustments are under EXTREME tension, MUST be tested. 10. The door could fall. 9. NO ONE SHOULD CROSS THE PATH OF THE MOVING DOOR. 15....
8550 Manual
Page 29
... lights will move in the path of any position other Security+®2.0 door controls. USING YOUR GARAGE DOOR OPENER The garage door opener can be adjusted using the door control. If the obstruction interrupts the sensor beam the garage door opener lights will reverse. However, you can close the door if...
... lights will move in the path of any position other Security+®2.0 door controls. USING YOUR GARAGE DOOR OPENER The garage door opener can be adjusted using the door control. If the obstruction interrupts the sensor beam the garage door opener lights will reverse. However, you can close the door if...
8550 Manual
Page 30
... 99 minutes). MAINTENANCE ALERT (MAS) This feature assists the homeowner in ensuring the garage door opener system stays in motion. The MAS feature MUST be adjusted by pressing the push bar, each press of mind when the home is off . NAVIGATION BUTTONS Use the navigation buttons to on or off automatically...
... 99 minutes). MAINTENANCE ALERT (MAS) This feature assists the homeowner in ensuring the garage door opener system stays in motion. The MAS feature MUST be adjusted by pressing the push bar, each press of mind when the home is off . NAVIGATION BUTTONS Use the navigation buttons to on or off automatically...
8550 Manual
Page 31
... page 32. 31 SCREEN The main screen displays the time, temperature, and current battery charge (if applicable). TTC is to control your garage door CONTRAST: Adjust the contrast of menus on /off /on and set the time interval before door closes. LOCK: Enable/disable lock. PROGRAM: Add remote controls, MyQ™...
... page 32. 31 SCREEN The main screen displays the time, temperature, and current battery charge (if applicable). TTC is to control your garage door CONTRAST: Adjust the contrast of menus on /off /on and set the time interval before door closes. LOCK: Enable/disable lock. PROGRAM: Add remote controls, MyQ™...
8550 Manual
Page 34
...transmitter are prohibited, except for changing the code setting or replacing the batteryTHEREARENO OTHER USER SERVICEABLEPARTS. Make any necessary adjustments (refer to Adjustment section). EVERY TWO TO THREE YEARS • Use a rag to wipe away the existing grease from reconnecting ...systems technician. EVERY YEAR • Oil door rollers, bearings and hinges. NOTICETo complywith FCC and or IndustryCanada rules(IC), adjustment or modifications of old batteries properly. Insert replacement batteries positive side up (+). Replace the batteries with 3V2016 coin batteries. ...
...transmitter are prohibited, except for changing the code setting or replacing the batteryTHEREARENO OTHER USER SERVICEABLEPARTS. Make any necessary adjustments (refer to Adjustment section). EVERY TWO TO THREE YEARS • Use a rag to wipe away the existing grease from reconnecting ...systems technician. EVERY YEAR • Oil door rollers, bearings and hinges. NOTICETo complywith FCC and or IndustryCanada rules(IC), adjustment or modifications of old batteries properly. Insert replacement batteries positive side up (+). Replace the batteries with 3V2016 coin batteries. ...
