8355 Manual
Page 1
... PREMIUM Series Belt Drive Garage Door Opener Model 8355 - 1/2 hp FOR RESIDENTIAL USE ONLY ■ 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... 32 Troubleshooting 33-34 Accessories 35 Warranty 36 Repair Parts 37-38 www.liftmaster.com The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 Date of your garage door opener. ■ This garage door opener is ONLY compatible with MyQ® and Security✚ 2.0™ accessories....
... PREMIUM Series Belt Drive Garage Door Opener Model 8355 - 1/2 hp FOR RESIDENTIAL USE ONLY ■ 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... 32 Troubleshooting 33-34 Accessories 35 Warranty 36 Repair Parts 37-38 www.liftmaster.com The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 Date of your garage door opener. ■ This garage door opener is ONLY compatible with MyQ® and Security✚ 2.0™ accessories....
8355 Manual
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... accordance with the instructions and warnings contained in place, supported entirely by its springs. 3. The hazard may not work properly. 5. Lift the door halfway up. If your garage door and/or the garage door opener if you do not comply with the warnings that accompany it will alert you to the possibility of the...
... accordance with the instructions and warnings contained in place, supported entirely by its springs. 3. The hazard may not work properly. 5. Lift the door halfway up. If your garage door and/or the garage door opener if you do not comply with the warnings that accompany it will alert you to the possibility of the...
8355 Manual
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... specific model, other accessories may look different. Preparation Carton Inventory NOTE: Accessories will be included with hex screws K. Depending on the garage door opener model purchased. Pulley and bracket C. Garage door opener K J. Belt L. The Protector System® Safety reversing sensors with white and white/black wire attached: Sending Sensor (1) Receiving Sensor (1) and Safety Sensor...
... specific model, other accessories may look different. Preparation Carton Inventory NOTE: Accessories will be included with hex screws K. Depending on the garage door opener model purchased. Pulley and bracket C. Garage door opener K J. Belt L. The Protector System® Safety reversing sensors with white and white/black wire attached: Sending Sensor (1) Receiving Sensor (1) and Safety Sensor...
8355 Manual
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... and lock nut. 1.4 Position the belt around the garage door opener sprocket. 1.5 Attach the sprocket cover over the sprocket. Place the garage door opener on the packing material to garage door opener, use the bolts removed from the garage door opener. Assembly 1 Attach the rail to the garage door opener To avoid possible SERIOUS INJURY to finger from moving garage...
... and lock nut. 1.4 Position the belt around the garage door opener sprocket. 1.5 Attach the sprocket cover over the sprocket. Place the garage door opener on the packing material to garage door opener, use the bolts removed from the garage door opener. Assembly 1 Attach the rail to the garage door opener To avoid possible SERIOUS INJURY to finger from moving garage...
8355 Manual
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... -Close functionality if operating either one -piece door, visit www.liftmaster.com for installation instructions. 6 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 ONLY on inside of the door. 10. NEVER connect garage door opener to power source until instructed to avoid entanglement...
... -Close functionality if operating either one -piece door, visit www.liftmaster.com for installation instructions. 6 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 ONLY on inside of the door. 10. NEVER connect garage door opener to power source until instructed to avoid entanglement...
8355 Manual
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..., ALL of which are installing the garage door opener on a one -piece or swinging garage doors. NOTE: If you are under EXTREME tension. • ALWAYS call a trained door systems technician if garage door binds, sticks, or is out of the garage door. 1.2 Extend the line onto the header... or ceiling), use the maximum height possible, or refer to -Close functionality if operating either one -piece door, visit www.liftmaster.com for installation instructions. 1.1 Close the door and mark the inside vertical centerline of balance. If you can fasten the header bracket within 4 feet (1.22...
..., ALL of which are installing the garage door opener on a one -piece or swinging garage doors. NOTE: If you are under EXTREME tension. • ALWAYS call a trained door systems technician if garage door binds, sticks, or is out of the garage door. 1.2 Extend the line onto the header... or ceiling), use the maximum height possible, or refer to -Close functionality if operating either one -piece door, visit www.liftmaster.com for installation instructions. 1.1 Close the door and mark the inside vertical centerline of balance. If you can fasten the header bracket within 4 feet (1.22...
8355 Manual
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...when it is raised, pull the trolley release arm down 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. Secure with the header bracket. The trolley can ...remain disconnected until instructed. Ring Fastener Clevis Pin 5/16" X 2-3/4" HARDWARE Clevis Pin 5/16" x 2-3/4" Ring Fastener 4 Position the garage door opener To prevent damage to disconnect the inner and outer trolley. Connected Disconnected 9 NOTE: Use the packing material as a protective base for setting the...
...when it is raised, pull the trolley release arm down 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. Secure with the header bracket. The trolley can ...remain disconnected until instructed. Ring Fastener Clevis Pin 5/16" X 2-3/4" HARDWARE Clevis Pin 5/16" x 2-3/4" Ring Fastener 4 Position the garage door opener To prevent damage to disconnect the inner and outer trolley. Connected Disconnected 9 NOTE: Use the packing material as a protective base for setting the...
8355 Manual
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...DO NOT connect power to structural supports before installing the opener. Installation 5 Hang the garage door opener To avoid possible SERIOUS INJURY from each bracket to a support with 5/16"- 18x1-7/8" lag screws (not provided). 5.5 Fasten the opener to the hanging brackets with 5/16"- 18x7/8" hex ... Lock Washer 5/16" Hex Bolt 5/16"- 18x7/8" Hanging your garage door opener will vary depending on your garage. Instructions below are shown. This bracket and fastening hardware are not provided. If the door hits the rail, raise the header bracket. FIGURE 1 Unfinished Ceiling FIGURE...
...DO NOT connect power to structural supports before installing the opener. Installation 5 Hang the garage door opener To avoid possible SERIOUS INJURY from each bracket to a support with 5/16"- 18x1-7/8" lag screws (not provided). 5.5 Fasten the opener to the hanging brackets with 5/16"- 18x7/8" hex ... Lock Washer 5/16" Hex Bolt 5/16"- 18x7/8" Hanging your garage door opener will vary depending on your garage. Instructions below are shown. This bracket and fastening hardware are not provided. If the door hits the rail, raise the header bracket. FIGURE 1 Unfinished Ceiling FIGURE...
8355 Manual
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...lighter to prevent unraveling. Mount the emergency release within reach, but at least 1 inch (2.5 cm) from a falling garage door: • If possible, use emergency release handle to pull door open door falling rapidly and/or unexpectedly. • NEVER use emergency release handle unless garage doorway is clear of persons and obstructions.... of the light lens and rotate the To prevent possible OVERHEATING of the emergency release rope through the hole in an open or closed. NOTE: Do not use halogen, short neck, or specialty light • DO NOT use handle to disengage trolley ONLY ...
...lighter to prevent unraveling. Mount the emergency release within reach, but at least 1 inch (2.5 cm) from a falling garage door: • If possible, use emergency release handle to pull door open door falling rapidly and/or unexpectedly. • NEVER use emergency release handle unless garage doorway is clear of persons and obstructions.... of the light lens and rotate the To prevent possible OVERHEATING of the emergency release rope through the hole in an open or closed. NOTE: Do not use halogen, short neck, or specialty light • DO NOT use handle to disengage trolley ONLY ...
8355 Manual
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... release arm 13 Ring Fastener Clevis Pin 5/16" x 1" 9.3 Attach the curved door arm to the door bracket using the bolts, nuts and lock washers. the door) about 2" (5 cm). Attach with the curved door arm. Select two aligned holes (as toward the garage door opener until the far apart as possible) and attach using the clevis pin...
... release arm 13 Ring Fastener Clevis Pin 5/16" x 1" 9.3 Attach the curved door arm to the door bracket using the bolts, nuts and lock washers. the door) about 2" (5 cm). Attach with the curved door arm. Select two aligned holes (as toward the garage door opener until the far apart as possible) and attach using the clevis pin...
8355 Manual
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accessories, see page 37. NOTE: Older LiftMaster door controls To prevent possible SERIOUS INJURY or DEATH from a closing garage door. NEVER permit anyone to drill holes or install the drywall anchors. Screw 6ABx1" Screw 6-32x1" HARDWARE Drywall Anchors NOTE: For gang box... Screw 6AB x 1" GANG BOX Screw 6-32 x 1" 14 The wires hole and drill a 5/32 inch (4 mm) hole. Install the door control within sight of garage door, out of reach of children at the garage door opener in sight until completely closed. NOTE: Your product may look different than • ALWAYS keep garage...
accessories, see page 37. NOTE: Older LiftMaster door controls To prevent possible SERIOUS INJURY or DEATH from a closing garage door. NEVER permit anyone to drill holes or install the drywall anchors. Screw 6ABx1" Screw 6-32x1" HARDWARE Drywall Anchors NOTE: For gang box... Screw 6AB x 1" GANG BOX Screw 6-32 x 1" 14 The wires hole and drill a 5/32 inch (4 mm) hole. Install the door control within sight of garage door, out of reach of children at the garage door opener in sight until completely closed. NOTE: Your product may look different than • ALWAYS keep garage...
8355 Manual
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...PRE-WIRED INSTALLATIONS: When wiring the door control to the garage door opener make sure you use the same wires that are connected to the door control. DRYWALL Drywall Anchor Screw 6AB x 1" Screw 6-32 x 1" GANG BOX 2 Wire the door control to the garage door opener HARDWARE Insulated Staple (Not shown) ...installations). Staple 15 Attach the top screw. To insert or release wires from the door control to the garage door opener. Install the Door Control k 1.5 Position the bottom hole of the wire near the garage door opener. 7/16" (11 mm) 2.3 Connect the wire to the red and white ...
...PRE-WIRED INSTALLATIONS: When wiring the door control to the garage door opener make sure you use the same wires that are connected to the door control. DRYWALL Drywall Anchor Screw 6AB x 1" Screw 6-32 x 1" GANG BOX 2 Wire the door control to the garage door opener HARDWARE Insulated Staple (Not shown) ...installations). Staple 15 Attach the top screw. To insert or release wires from the door control to the garage door opener. Install the Door Control k 1.5 Position the bottom hole of the wire near the garage door opener. 7/16" (11 mm) 2.3 Connect the wire to the red and white ...
8355 Manual
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...than 6" (15 cm) above the floor and the light beam is unobstructed. NOTE: For energy efficiency the garage door opener will move in the down until the garage door opener has completed 5 cycles upon power up. above floor Invisible Light Beam Protection Area 17 Safety Reversing Sensor 6" (... This required safety device MUST NOT be connected and aligned correctly before the garage door opener will enter sleep mode when the door is sequenced with the garage door opener light bulb; The garage door opener will not go into the sleep mode until activated. above floor The sleep mode...
...than 6" (15 cm) above the floor and the light beam is unobstructed. NOTE: For energy efficiency the garage door opener will move in the down until the garage door opener has completed 5 cycles upon power up. above floor Invisible Light Beam Protection Area 17 Safety Reversing Sensor 6" (... This required safety device MUST NOT be connected and aligned correctly before the garage door opener will enter sleep mode when the door is sequenced with the garage door opener light bulb; The garage door opener will not go into the sleep mode until activated. above floor The sleep mode...
8355 Manual
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... and attach with the staples. To insert or remove the wires from both sensors to the already has wires installed for the safety reversing garage door opener. Separate the wires. HARDWARE Staple 2.2A Strip 7/16 inch (11 mm) of wires. Make sure the lens is not obstructed by the sensor... Twist the white/black wires together. 2.3A Insert the white wires into the grey terminal on the garage door opener. Insert the white/black wires into the white terminal on the garage door opener. Attach the wire to sensors, see page 20. the wall and ceiling with the wing nut. The ...
... and attach with the staples. To insert or remove the wires from both sensors to the already has wires installed for the safety reversing garage door opener. Separate the wires. HARDWARE Staple 2.2A Strip 7/16 inch (11 mm) of wires. Make sure the lens is not obstructed by the sensor... Twist the white/black wires together. 2.3A Insert the white wires into the grey terminal on the garage door opener. Insert the white/black wires into the white terminal on the garage door opener. Attach the wire to sensors, see page 20. the wall and ceiling with the wing nut. The ...
8355 Manual
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.... For example, the white wire would connect to the yellow wire and the white/black wire would connect to the white terminal on the garage door opener. Insert the wires that you choose the same color pre-installed wires for example) RED WHITE WHITE GREY 7/16" (11 mm) To insert or ... reversing sensor wire, making sure the colors correspond for each end of the wires previously chosen for example) Pre-installed wires 2.4B At the garage door opener, strip 7/16 inch (11 mm) of insulation from each sensor. Make sure that are connected to the white/black safety sensor wires to the ...
.... For example, the white wire would connect to the yellow wire and the white/black wire would connect to the white terminal on the garage door opener. Insert the wires that you choose the same color pre-installed wires for example) RED WHITE WHITE GREY 7/16" (11 mm) To insert or ... reversing sensor wire, making sure the colors correspond for each end of the wires previously chosen for example) Pre-installed wires 2.4B At the garage door opener, strip 7/16 inch (11 mm) of insulation from each sensor. Make sure that are connected to the white/black safety sensor wires to the ...
8355 Manual
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...white (neutral) wire to the green ground screw. This plug will only fit into a grounded outlet. 1.2A DO NOT run garage door opener at this time. THERE ARE TWO OPTIONS FOR CONNECTING POWER: OPTION A TYPICAL WIRING 1.1A Plug in compliance with a third grounding pin. The... opener must be in the garage door opener into a grounding type outlet. TYPICAL WIRING PERMANENT WIRING Ground Tab Green Ground Screw Ground Wire White Wire Black Wire Black Wire 21...
...white (neutral) wire to the green ground screw. This plug will only fit into a grounded outlet. 1.2A DO NOT run garage door opener at this time. THERE ARE TWO OPTIONS FOR CONNECTING POWER: OPTION A TYPICAL WIRING 1.1A Plug in compliance with a third grounding pin. The... opener must be in the garage door opener into a grounding type outlet. TYPICAL WIRING PERMANENT WIRING Ground Tab Green Ground Screw Ground Wire White Wire Black Wire Black Wire 21...
8355 Manual
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... they are aligned. Make sure the sensor has been wired correctly: white wires to white terminal and white/black wires to the garage door opener. Amber LED If the receiving sensor is power to grey terminal. Make sure the sensors are aligned and wired correctly. RED WHITE WHITE... GREY 3 Ensure the Door Control is closing, the door will reverse and the garage door opener lights will flash ten times. Power 2 Ensure the Safety Reversing Sensors are aligned The door will not close . Make sure the sensor wire is not shorted/broken...
... they are aligned. Make sure the sensor has been wired correctly: white wires to white terminal and white/black wires to the garage door opener. Amber LED If the receiving sensor is power to grey terminal. Make sure the sensors are aligned and wired correctly. RED WHITE WHITE... GREY 3 Ensure the Door Control is closing, the door will reverse and the garage door opener lights will flash ten times. Power 2 Ensure the Safety Reversing Sensors are aligned The door will not close . Make sure the sensor wire is not shorted/broken...
8355 Manual
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... close (DOWN) position. To watch a short instructional video on the left side panel of the garage door opener and are used to program the travel. 23 UP (Open) DOWN (Close) PROGRAMMING BUTTONS UP Button Adjustment Button DOWN Button Adjustments Without a properly installed safety reversal system, persons (... will interfere with proper operation of safety reversal system. • After ANY adjustments are located on programming your new garage door opener use your smartphone to read the QR Code below: To prevent damage to vehicles, be tested. The adjustments allow you program...
... close (DOWN) position. To watch a short instructional video on the left side panel of the garage door opener and are used to program the travel. 23 UP (Open) DOWN (Close) PROGRAMMING BUTTONS UP Button Adjustment Button DOWN Button Adjustments Without a properly installed safety reversal system, persons (... will interfere with proper operation of safety reversal system. • After ANY adjustments are located on programming your new garage door opener use your smartphone to read the QR Code below: To prevent damage to vehicles, be tested. The adjustments allow you program...
8355 Manual
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... the UP Button begins to NOTE: The UP and DOWN Buttons can be used to flash. NOTE: The UP and DOWN Buttons can be garage door opener lights will flash twice and flash and/or a beep is in the desired DOWN position. Adjustments 1 Program the Travel Without a properly installed safety ... and the UP Button will begin to flash. When the sensors are made, the safety reversal system MUST be tested. If the garage door opener lights are flashing 10 times during the steps for Program the Travel, the safety reversing sensors are misaligned or obstructed (refer to operate the...
... the UP Button begins to NOTE: The UP and DOWN Buttons can be used to flash. NOTE: The UP and DOWN Buttons can be garage door opener lights will flash twice and flash and/or a beep is in the desired DOWN position. Adjustments 1 Program the Travel Without a properly installed safety ... and the UP Button will begin to flash. When the sensors are made, the safety reversal system MUST be tested. If the garage door opener lights are flashing 10 times during the steps for Program the Travel, the safety reversing sensors are misaligned or obstructed (refer to operate the...
8355 Manual
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... If the garage door opener closes the door when the safety reversing sensor is off (alerting you to close the door. If the garage door opener continues to fail the safety reversal test, call for a trained door systems technician. 25 The garage door opener will flash 10 times. Door MUST reverse on ...more than 6 inches [15 cm] above the floor), call a trained door systems technician. 3 Test the Protector System® 3.1 Open the door. The door will not move more than an inch (2.5 cm), and the garage door opener lights will not close from a remote control if the LED in the path...
... If the garage door opener closes the door when the safety reversing sensor is off (alerting you to close the door. If the garage door opener continues to fail the safety reversal test, call for a trained door systems technician. 25 The garage door opener will flash 10 times. Door MUST reverse on ...more than 6 inches [15 cm] above the floor), call a trained door systems technician. 3 Test the Protector System® 3.1 Open the door. The door will not move more than an inch (2.5 cm), and the garage door opener lights will not close from a remote control if the LED in the path...
