8550 Manual
Page 1
...NOT enable the Timer-To-Close feature if you are installing the garage door opener on a one -piece door. www.liftmaster.com The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 Contents BELT DRIVE GARAGE DOOR OPENER.. 1 PREPARATION 2 ASSEMBLY 4 INSTALLATION 6-13 INSTALL THE DOOR CONTROL........ERASE THE MEMORY 33 TO OPEN THE DOOR MANUALLY ......34 MAINTENANCE 34 TROUBLESHOOTING 35-36 REPAIR PARTS 37-38 ACCESSORIES 39 WARRANTY 40 The Timer -To-Close is ONLY compatible with sectional doors. Belt Drive Garage Door Opener Model 8550 FOR RESIDENTIAL USE ONLY Write...
...NOT enable the Timer-To-Close feature if you are installing the garage door opener on a one -piece door. www.liftmaster.com The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 Contents BELT DRIVE GARAGE DOOR OPENER.. 1 PREPARATION 2 ASSEMBLY 4 INSTALLATION 6-13 INSTALL THE DOOR CONTROL........ERASE THE MEMORY 33 TO OPEN THE DOOR MANUALLY ......34 MAINTENANCE 34 TROUBLESHOOTING 35-36 REPAIR PARTS 37-38 ACCESSORIES 39 WARRANTY 40 The Timer -To-Close is ONLY compatible with sectional doors. Belt Drive Garage Door Opener Model 8550 FOR RESIDENTIAL USE ONLY Write...
8550 Manual
Page 2
...and remove ALL ropes connected to garage door BEFORE installation and operating garage door opener to avoid entanglement. 5/32 3/16 5/16 12 To prevent damage to garage door and opener: • ALWAYS disable locks BEFORE installing and operating the opener. • ONLY operate garage door opener at 120 V, 60 Hz to... accompany them carefully. Lift the door halfway up. Read them . An unbalanced garage door may not work properly. 5. Check the Door 1. If your garage door and/or the garage door opener if you do not comply with the instructions and warnings contained in this Signal ...
...and remove ALL ropes connected to garage door BEFORE installation and operating garage door opener to avoid entanglement. 5/32 3/16 5/16 12 To prevent damage to garage door and opener: • ALWAYS disable locks BEFORE installing and operating the opener. • ONLY operate garage door opener at 120 V, 60 Hz to... accompany them carefully. Lift the door halfway up. Read them . An unbalanced garage door may not work properly. 5. Check the Door 1. If your garage door and/or the garage door opener if you do not comply with the instructions and warnings contained in this Signal ...
8550 Manual
Page 3
...not included in this manuals are for these accessories will vary depending on your garage door opener. Header bracket B. Trolley G. Sprocket cover and screws K. White and red/white wire The Protector System®...Control Hardware H14 Screw 6AB x 1-1/4" (2) H15 Screw 6-32 x 1" (2) H16 Drywall Anchors (2) H17 Insulated Staples (10) GARAGE DOOR OPENER ASSEMBLY A. Door bracket D. Safety labels and literature H L M J N O I . Garage door opener K J. Safety reversing sensors with white and white/black wire attached: Sending Sensor (1) Receiving Sensor (1) and Safety Sensor Brackets ...
...not included in this manuals are for these accessories will vary depending on your garage door opener. Header bracket B. Trolley G. Sprocket cover and screws K. White and red/white wire The Protector System®...Control Hardware H14 Screw 6AB x 1-1/4" (2) H15 Screw 6-32 x 1" (2) H16 Drywall Anchors (2) H17 Insulated Staples (10) GARAGE DOOR OPENER ASSEMBLY A. Door bracket D. Safety labels and literature H L M J N O I . Garage door opener K J. Safety reversing sensors with white and white/black wire attached: Sending Sensor (1) Receiving Sensor (1) and Safety Sensor Brackets ...
8550 Manual
Page 4
... #8x3/8" (Packed with hex screws (H1). . and styrofoam. 1.3 Fasten the rail with the previously removed bolts. 1.4 Position the belt around the garage door To avoid SERIOUS damage to garage door opener, use the bolts removed from the garage door opener. Cut the tape from the top of the • ALWAYS keep hand clear of the...
... #8x3/8" (Packed with hex screws (H1). . and styrofoam. 1.3 Fasten the rail with the previously removed bolts. 1.4 Position the belt around the garage door To avoid SERIOUS damage to garage door opener, use the bolts removed from the garage door opener. Cut the tape from the top of the • ALWAYS keep hand clear of the...
8550 Manual
Page 6
...Close functionality if operating either one -piece door, visit www.liftmaster.com for installation instructions. 6 They could result in garage door or opener mechanisms. 9. Installation IMPORTANT INSTALLATION INSTRUCTIONS WARNING To reduce the risk of garage door. 12. DO NOT enable the Timer-to do ... 14. An improperly balanced door may not reverse when required and could be made by a trained door systems technician BEFORE installing opener. 4. Install garage door opener 7 feet (2.13 m) or more above the floor and avoiding contact with a 1-1/2" (3.8 cm) high object (or a ...
...Close functionality if operating either one -piece door, visit www.liftmaster.com for installation instructions. 6 They could result in garage door or opener mechanisms. 9. Installation IMPORTANT INSTALLATION INSTRUCTIONS WARNING To reduce the risk of garage door. 12. DO NOT enable the Timer-to do ... 14. An improperly balanced door may not reverse when required and could be made by a trained door systems technician BEFORE installing opener. 4. Install garage door opener 7 feet (2.13 m) or more above the floor and avoiding contact with a 1-1/2" (3.8 cm) high object (or a ...
8550 Manual
Page 7
...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 which are installing the garage door opener on wall or ceiling), use lag screws (not provided) to securely fasten the 2x4 to structural supports.... 1.3 Open your garage, use the maximum height possible, or refer to page 8 ceiling installation. Header Wall 2" (5 cm) Track Highest Point of Travel Door Unfinished Ceiling Header ...
...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 which are installing the garage door opener on wall or ceiling), use lag screws (not provided) to securely fasten the 2x4 to structural supports.... 1.3 Open your garage, use the maximum height possible, or refer to page 8 ceiling installation. Header Wall 2" (5 cm) Track Highest Point of Travel Door Unfinished Ceiling Header ...
8550 Manual
Page 9
...ladder is raised, pull the trolley release arm down to disconnect the inner and outer trolley. Slide the outer trolley toward the garage door opener. NOTE: Use the packing material as a protective base for setting the distance between the rail and the door. H11 H5 HARDWARE...H5 Clevis Pin 5/16"x2-3/4" H11 Ring Fastener 4 Position the garage door opener To prevent damage to garage door, rest garage door opener rail on 2x4 placed on top section of door. 4.1 Remove the packing material and lift the garage door opener onto a ladder. Connected Disconnected 9 Insert the clevis pin (...
...ladder is raised, pull the trolley release arm down to disconnect the inner and outer trolley. Slide the outer trolley toward the garage door opener. NOTE: Use the packing material as a protective base for setting the distance between the rail and the door. H11 H5 HARDWARE...H5 Clevis Pin 5/16"x2-3/4" H11 Ring Fastener 4 Position the garage door opener To prevent damage to garage door, rest garage door opener rail on 2x4 placed on top section of door. 4.1 Remove the packing material and lift the garage door opener onto a ladder. Connected Disconnected 9 Insert the clevis pin (...
8550 Manual
Page 10
...not provided) to structural supports. Your installation may be used if installing ANY brackets into masonry. Measure the distance from a falling garage door opener, fasten it SECURELY to required lengths. (not provided) H4 Finished Ceiling H4 Unfinished Ceiling 5.4 Attach the end of the examples... below. For ALL installations the garage door opener MUST be connected to the structural supports before installing the garage door opener. 5.2 Make sure the garage door opener is aligned with the bolts (H2), lock door. If the door hits ...
...not provided) to structural supports. Your installation may be used if installing ANY brackets into masonry. Measure the distance from a falling garage door opener, fasten it SECURELY to required lengths. (not provided) H4 Finished Ceiling H4 Unfinished Ceiling 5.4 Attach the end of the examples... below. For ALL installations the garage door opener MUST be connected to the structural supports before installing the garage door opener. 5.2 Make sure the garage door opener is aligned with the bolts (H2), lock door. If the door hits ...
8550 Manual
Page 11
.... Ensure the emergency release rope and handle are above the top of short neck or speciality light • DO NOT use emergency release handle unless garage doorway is 6 feet (1.83 m) above the floor and secure with a match or lighter to close. If rope knot becomes untied, you could...cut end with a knot. 6 Install the light bulbs 6.1 Pull on the top center of the emergency release rope through the hole in an open door falling rapidly and/or unexpectedly. • NEVER use short neck or specialty light bulbs. or or To prevent possible OVERHEATING of persons and obstructions...
.... Ensure the emergency release rope and handle are above the top of short neck or speciality light • DO NOT use emergency release handle unless garage doorway is 6 feet (1.83 m) above the floor and secure with a match or lighter to close. If rope knot becomes untied, you could...cut end with a knot. 6 Install the light bulbs 6.1 Pull on the top center of the emergency release rope through the hole in an open door falling rapidly and/or unexpectedly. • NEVER use short neck or specialty light bulbs. or or To prevent possible OVERHEATING of persons and obstructions...
8550 Manual
Page 12
...the door and secure bracket with glass panel, etc.) (not provided). A horizontal and vertical reinforcement is to check with your garage door manufacturer for the header bracket installation. proceed to create a U-shaped support. A vertical reinforcement brace should be long enough... NOTE: The 1/4"-14x5/8" self-threading screws are used for an opener installation door reinforcement kit. Door Bracket FIGURE 4 UP H10 Vertical Centerline of Garage Door UP H10 FIGURE 3 Vertical Reinforcement Vertical Centerline of Garage Door Bolt 5/16"-18x2" (Not Provided) UP Door Bracket Lock ...
...the door and secure bracket with glass panel, etc.) (not provided). A horizontal and vertical reinforcement is to check with your garage door manufacturer for the header bracket installation. proceed to create a U-shaped support. A vertical reinforcement brace should be long enough... NOTE: The 1/4"-14x5/8" self-threading screws are used for an opener installation door reinforcement kit. Door Bracket FIGURE 4 UP H10 Vertical Centerline of Garage Door UP H10 FIGURE 3 Vertical Reinforcement Vertical Centerline of Garage Door Bolt 5/16"-18x2" (Not Provided) UP Door Bracket Lock ...
8550 Manual
Page 13
... by 9.2 Attach the straight door arm to the door bracket using the bolts trolley release arm is activated. . Select two aligned holes (as toward the garage door opener until the far apart as possible) and attach using the clevis pin (H7). 9 Connect the door arm to the trolley IMPORTANT: The groove on... Washer 5/16" -16 H6 Clevis Pin 5/16"x1-1/4" 9.4 Align the straight door arm with the ring fastener (H11). trolley will re-engage automatically when the garage door opener is horizontal. the door) about 2" (5 cm).
... by 9.2 Attach the straight door arm to the door bracket using the bolts trolley release arm is activated. . Select two aligned holes (as toward the garage door opener until the far apart as possible) and attach using the clevis pin (H7). 9 Connect the door arm to the trolley IMPORTANT: The groove on... Washer 5/16" -16 H6 Clevis Pin 5/16"x1-1/4" 9.4 Align the straight door arm with the ring fastener (H11). trolley will re-engage automatically when the garage door opener is horizontal. the door) about 2" (5 cm).
8550 Manual
Page 14
...H16 (2) Drywall Anchors NOTE: For gang box installations it can be seen clearly, is not necessary to cross path of the door at the garage door opener in sight until completely closed. The wires hole and drill a 5/32 inch (4 mm) hole. (3 mm) to protrude from 1.2 Connect one... to 24 VOLT low voltage wires. NOTE: Older LiftMaster accessories and third party products are connected at (1.5 m), and away from ALL moving parts of insulation from the wall. To prevent possible SERIOUS INJURY or DEATH from a closing garage door. Install the Door Control 1 Install the door...
...H16 (2) Drywall Anchors NOTE: For gang box installations it can be seen clearly, is not necessary to cross path of the door at the garage door opener in sight until completely closed. The wires hole and drill a 5/32 inch (4 mm) hole. (3 mm) to protrude from 1.2 Connect one... to 24 VOLT low voltage wires. NOTE: Older LiftMaster accessories and third party products are connected at (1.5 m), and away from ALL moving parts of insulation from the wall. To prevent possible SERIOUS INJURY or DEATH from a closing garage door. Install the Door Control 1 Install the door...
8550 Manual
Page 15
...(10) Insulated Staple 2.1 Run the white and red/white wire from the end of the wire near the garage door opener. 7/16" (11 mm) H15 GANG BOX 2.3 Connect the wire to the garage door opener. Do not pierce the wire with screwdriver tip. Attach the top screw. To insert or release wires from ... door control over the screw and slide down into place. RED WHITE WHITE GREY PRE-WIRED INSTALLATIONS: When wiring the door control to the garage door opener H17 make sure you use the same wires that are connected to the wall and ceiling with the staples (H17) (not applicable for the...
...(10) Insulated Staple 2.1 Run the white and red/white wire from the end of the wire near the garage door opener. 7/16" (11 mm) H15 GANG BOX 2.3 Connect the wire to the garage door opener. Do not pierce the wire with screwdriver tip. Attach the top screw. To insert or release wires from ... door control over the screw and slide down into place. RED WHITE WHITE GREY PRE-WIRED INSTALLATIONS: When wiring the door control to the garage door opener H17 make sure you use the same wires that are connected to the wall and ceiling with the staples (H17) (not applicable for the...
8550 Manual
Page 17
...6" (15 cm) above floor This required safety device MUST NOT be connected and aligned correctly before the garage door opener will move in the down until the garage door opener has completed 5 cycles upon power up. IMPORTANT INFORMATION ABOUT THE SAFETY REVERSING SENSORS The safety reversing sensors must... be disabled. • Install the safety reversing sensor so beam is unobstructed. The sleep mode shuts the garage door opener down direction. The sleep mode is NOT connected to the receiving sensor (with the lenses aligned and the receiving sensor lens...
...6" (15 cm) above floor This required safety device MUST NOT be connected and aligned correctly before the garage door opener will move in the down until the garage door opener has completed 5 cycles upon power up. IMPORTANT INFORMATION ABOUT THE SAFETY REVERSING SENSORS The safety reversing sensors must... be disabled. • Install the safety reversing sensor so beam is unobstructed. The sleep mode shuts the garage door opener down direction. The sleep mode is NOT connected to the receiving sensor (with the lenses aligned and the receiving sensor lens...
8550 Manual
Page 19
... to the floor using concrete anchors (not provided). (not provided) IGWnsaairdlalege 1.3C Slide the carriage bolt (H12) into the slot on the garage door opener. Twist the white/black wires together. RED WHITE WHITE GREY 19 Insert the white/black wires into the white terminal on both sensors should point...position of both sensor brackets so they will be the same distance from the wall and unobstructed. 1.2C Attach the sensor brackets to the garage door opener. Make sure the lens is not obstructed by the sensor bracket. H12 1.4C Insert the bolt through the hole in the tab with ...
... to the floor using concrete anchors (not provided). (not provided) IGWnsaairdlalege 1.3C Slide the carriage bolt (H12) into the slot on the garage door opener. Twist the white/black wires together. RED WHITE WHITE GREY 19 Insert the white/black wires into the white terminal on both sensors should point...position of both sensor brackets so they will be the same distance from the wall and unobstructed. 1.2C Attach the sensor brackets to the garage door opener. Make sure the lens is not obstructed by the sensor bracket. H12 1.4C Insert the bolt through the hole in the tab with ...
8550 Manual
Page 20
... wire. Not Provided White Yellow (for example) White/Black Safety reversing sensor wires Purple (for example) Pre-installed wires 2.4B At the garage door opener, strip 7/16 inch (11 mm) of insulation from the terminal, push in the tab with wire nuts making sure there is enough wire...sensor. Twist the like-colored wires together. 2.5B Insert the wires connected to the white safety sensor wires to the grey terminal on the garage door opener. Install the Protector System® OPTION B PRE-WIRED INSTALLATION 2.1B Cut the end of the safety reversing sensor wire, making sure the...
... wire. Not Provided White Yellow (for example) White/Black Safety reversing sensor wires Purple (for example) Pre-installed wires 2.4B At the garage door opener, strip 7/16 inch (11 mm) of insulation from the terminal, push in the tab with wire nuts making sure there is enough wire...sensor. Twist the like-colored wires together. 2.5B Insert the wires connected to the white safety sensor wires to the grey terminal on the garage door opener. Install the Protector System® OPTION B PRE-WIRED INSTALLATION 2.1B Cut the end of the safety reversing sensor wire, making sure the...
8550 Manual
Page 21
... qualified electrician to the following procedure. If the plug doesn't fit into your local code, refer to install the proper outlet. DO NOT run garage door opener at this time. THERE ARE TWO OPTIONS FOR CONNECTION POWER: OPTION A TYPICAL WIRING 1.1A Plug in contact with a third grounding pin. This ... the top of the motor unit (according to local code): 1.1B Be sure power is NOT connected to the opener, and disconnect power to circuit. 1.2B Remove the garage door opener cover and set aside. 1.3B Remove the attached green ground terminal. 1.4B Cut black and white wires and strip...
... qualified electrician to the following procedure. If the plug doesn't fit into your local code, refer to install the proper outlet. DO NOT run garage door opener at this time. THERE ARE TWO OPTIONS FOR CONNECTION POWER: OPTION A TYPICAL WIRING 1.1A Plug in contact with a third grounding pin. This ... the top of the motor unit (according to local code): 1.1B Be sure power is NOT connected to the opener, and disconnect power to circuit. 1.2B Remove the garage door opener cover and set aside. 1.3B Remove the attached green ground terminal. 1.4B Cut black and white wires and strip...
8550 Manual
Page 22
... the sensors, and tightening the wing nuts. . The LEDs in both sensors are glowing steadily. If the door is already open, it is closing, the door will reverse and the garage door opener lights will not close if the sensors have not been 2.1 Check to grey terminal. When the light beam is obstructed... GLOWING: Make sure there is in both sensors will glow steadily if they are aligned. Amber LED If the receiving sensor is power to the garage door opener.
... the sensors, and tightening the wing nuts. . The LEDs in both sensors are glowing steadily. If the door is already open, it is closing, the door will reverse and the garage door opener lights will not close if the sensors have not been 2.1 Check to grey terminal. When the light beam is obstructed... GLOWING: Make sure there is in both sensors will glow steadily if they are aligned. Amber LED If the receiving sensor is power to the garage door opener.
8550 Manual
Page 23
... designed with the door's upward travel it will reverse. Door MUST reverse on the left side panel of the garage door opener and are made, the safety reversal system MUST be sure fully open door provides adequate clearance. Adjustments Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED...
... designed with the door's upward travel it will reverse. Door MUST reverse on the left side panel of the garage door opener and are made, the safety reversal system MUST be sure fully open door provides adequate clearance. Adjustments Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED...
8550 Manual
Page 24
...UP position Adjustment Button until the door is in 1.3 Once the door is in the 1.6 Press and release the UP Button. If the garage door opener lights are flashing 10 times during the steps for Program the Travel, the safety reversing sensors are flashing 5 times during the steps for ...Programming the Travel. 24 press and release the Adjustment Button. NOTE: The UP and DOWN Buttons can be garage door opener lights will begin to flash. The door desired DOWN position door travels to the programmed UP position, the will travel limits will begin to ...
...UP position Adjustment Button until the door is in 1.3 Once the door is in the 1.6 Press and release the UP Button. If the garage door opener lights are flashing 10 times during the steps for Program the Travel, the safety reversing sensors are flashing 5 times during the steps for ...Programming the Travel. 24 press and release the Adjustment Button. NOTE: The UP and DOWN Buttons can be garage door opener lights will begin to flash. The door desired DOWN position door travels to the programmed UP position, the will travel limits will begin to ...