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Contents

Preparation ......................................2-5
Assembly .......................................6-10
Installation ..................................11-28
  Install the Door Control ............21-22
  Install the Protector System® ....23-26
 Connect 

power 

.........................27-28

Adjustments .................................29-31
MyQ® Smartphone Control .................32
Operation .....................................33-39
  Using your Garage Door Opener .....34
  To Open the Door Manually ...........34
  

Motion 

Detecting 

Control Panel ...........................35-36

  Multi-Function Control Panel ....37-38 
 Remote 

Control 

.............................38

 Homelink® 

...................................38

  To Erase the Memory .....................39
Maintenance .....................................40
Troubleshooting ...........................41-42
Accessories ........................................43
Warranty ...........................................44
Repair Parts .................................45-47

Owner’s Manual

B550 • B552 • B750

Belt Drive 

Garage Door Opener

FOR RESIDENTIAL USE ONLY

PRE-PROGRAMMED REMOTE CONTROL 

INCLUDED

www.chamberlain.com

www.mychamberlain.com

Smart Garage Opener

•  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

®

 is connected 

and properly aligned.

•  Periodic checks of the garage door opener are required to ensure 

safe operation.

•  The model number label is located on the left side panel of your 

garage door opener.

• This garage door opener is compatible with MyQ® and 

S

b

2.0® accessories.

•  DO NOT install on a one-piece door if using devices or features 

providing unattended close. Unattended devices and features are 

to be used ONLY with sectional doors.

Summary of Contents for B550

Page 1: ...arage Door Opener FOR RESIDENTIAL USE ONLY PRE PROGRAMMED REMOTE CONTROL INCLUDED www chamberlain com www mychamberlain com Smart Garage Opener 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 is connected and properly aligned Periodic checks of the garage door opener ar...

Page 2: ... doors Check the Door To prevent possible SERIOUS INJURY or DEATH l ALWAYS call a trained door systems technician if garage door binds sticks or is out of balance An unbalanced garage door may NOT reverse when required l NEVER try to loosen move or adjust garage door door springs cables pulleys brackets or their hardware ALL of which are under EXTREME tension l Disable ALL locks and remove ALL rop...

Page 3: ...com for more details See MyQ Smartphone Control page 32 to connect your garage door opener to your Wi Fi network Additional Items You May Need Survey your garage area to see if you will need any of the following items l 2 2X4 Pieces of wood May be used to fasten the header bracket to the structural supports Also used to position the garage door opener during installation and for testing the safety...

Page 4: ...ket B Pulley C Door bracket D Curved door arm E Straight door arm Packaged inside front rail section F Trolley NOTE Be sure to assemble the trolley before sliding onto rail G Emergency release rope and handle H Rail 1 front and 4 center sections I Hanging brackets 2 Packaged inside the front rail section J Garage door opener motor unit K Sprocket cover and screws L U bracket M Belt N Door control ...

Page 5: ... Clevis Pin 5 16 x1 Clevis Pin 5 16 x1 1 4 Carriage Bolt 1 4 20x1 2 2 Wing Nut 1 4 20 2 Lag Screw 5 16 9x1 5 8 4 Screw 6ABx1 2 Drywall Anchors 2 Screw 6 32x1 2 Hex Screw 8x3 8 3 packed with the sprocket cover Bolt 1 4 20x1 3 4 Lock Nut 1 4 20 Bolt Nut 3 8 Lock Washer 3 8 Master Link Threaded Shaft with Spring Trolley Nut Lock Washer 5 16 18 4 Nut 5 16 18 4 Preparation ...

Page 6: ...hown and slide the tapered ends into the larger ones Tabs along the side will lock into place 3 Place the motor unit on packing material to protect the cover and rest the back end of the rail on top For convenience put a support under the front end of the rail 4 As a temporary stop insert a screwdriver into the hole in the second rail section from the motor unit as shown 5 Check to be sure there a...

Page 7: ...NOT overtighten 2 Remove the bolts from the top of the motor unit 3 Use the carton to support the front end of the rail 4 Place the U bracket flat side down onto the motor unit and align the bracket holes with the bolt holes 5 Fasten the U bracket with the previously removed bolts DO NOT use any power tools The use of power tools may permanently damage the garage door opener Bolt 1 4 20x1 3 4 Lock...

Page 8: ...er operation 3 Place the idler pulley into the window as shown 4 Insert the idler bolt from the top through the rail and pulley Tighten with a 3 8 lock washer and nut underneath the rail until the lock washer is compressed 5 Rotate the pulley to be sure it spins freely 6 Locate the rail tab The rail tab is between the idler bolt and the trolley in the front rail section Use a flathead screwdriver ...

Page 9: ...ure the belt is not twisted Connect the trolley threaded shaft with the master link Figure 3 l Push pins of master link bar through holes in end of belt and trolley threaded shaft l Push master link cap over pins and past pin notches l Slide the closed end of the clip on spring over one of the pins Push the open end of the clip on spring onto the other pin 5 Remove the spring trolley nut from the ...

Page 10: ... the spring to optimum belt tension Spring Trolley Nut Nut Ring Slot Nut Ring Nut Ring AFTER 1 1 4 3 18 cm BEFORE 1 2 5 cm STEP 6 Install the sprocket cover To avoid possible SERIOUS INJURY to finger from moving garage door opener l ALWAYS keep hand clear of sprocket while operating opener l Securely attach sprocket cover BEFORE operating 1 Position the sprocket cover over the sprocket as shown an...

Page 11: ...wer source until instructed to do so 8 NEVER wear watches rings or loose clothing while installing or servicing opener They could be caught in garage door or opener mechanisms 9 Install wall mounted garage door control l within sight of the garage door l out of reach of small children at a minimum height of 5 feet 1 5 m above floors landings steps or any other adjacent walking surface l away from ...

Page 12: ...nce is minimal It may be mounted on the wall upside down if necessary to gain approximately 1 2 1 cm If you need to install the header bracket on a 2x4 on wall or ceiling use lag screws not provided to securely fasten the 2x4 to structural supports as shown here and on page 13 3 Open your door to the highest point of travel as shown Draw an intersecting horizontal line on the header wall 2 5 cm ab...

Page 13: ...port with the hardware provided OPTION B CEILING INSTALLATION 1 Extend the vertical centerline onto the ceiling as shown 2 Center the bracket on the vertical mark no more than 6 15 cm from the wall Make sure the arrow is pointing away from the wall The bracket can be mounted flush against the ceiling when clearance is minimal 3 Mark the side holes Drill 3 16 pilot holes and fasten bracket securely...

Page 14: ... garage door opener To prevent damage to garage door rest garage door opener rail on 2x4 placed on top section of door 1 Remove the packing material and lift the garage door opener onto a ladder 2 Fully open the door and place a 2x4 laid flat under the rail For one piece doors without tracks lay the 2x4 on it s side NOTE A 2x4 is ideal for setting the distance between the rail and the door If the ...

Page 15: ...structural supports before installing the garage door opener 2 Make sure the garage door opener is aligned with the header bracket Measure the distance from each side of the garage door opener to the support bracket 3 Cut both pieces of the hanging bracket to required lengths 4 Attach the end of each hanging bracket to the support bracket with appropriate hardware not provided 5 Attach the garage ...

Page 16: ...Y or DEATH from a falling garage door l If possible use emergency release handle to disengage trolley ONLY when garage door is CLOSED Weak or broken springs or unbalanced door could result in an open door falling rapidly and or unexpectedly l NEVER use emergency release handle unless garage doorway is clear of persons and obstructions l NEVER use handle to pull door open or closed If rope knot bec...

Page 17: ... of the bracket 2 4 5 10 cm below the top edge of the door OR directly below any structural support across the top of the door 3 Mark drill holes and install as follows depending on your door s construction Metal or light weight doors using a vertical angle iron brace between the door panel support and the door bracket l Drill 3 16 fastening holes Secure the door bracket using the two 1 4 14x5 8 s...

Page 18: ...ds NOTE The door bracket may be installed on the top edge of the door if required for your installation Refer to the dotted line optional placement drawing HARDWARE Self Threading Screw 1 4 14x5 8 For a door with no exposed framing or for the optional installation use lag screws 5 16 x1 1 2 not provided to fasten the door bracket Vertical Centerline of Garage Door Optional Placement of Door Bracke...

Page 19: ...ect holes as far apart as possible to increase door arm rigidity and attach using the bolts nuts and lock washers 5 Pull the emergency release handle toward the garage door opener until the trolley release arm is horizontal The trolley will re engage automatically when the garage door opener is activated NOTE If the holes in the curved door arm and the straight door arm do not align reverse the st...

Page 20: ...using the clevis pin Secure with the ring fastener 4 Attach the curved door arm to the trolley using the clevis pin Secure with the ring fastener 5 Pull the emergency release handle toward the garage door opener until the trolley release arm is horizontal HARDWARE Hex Bolt 5 16 18x7 8 Nut 5 16 18 Lock Washer 5 16 18 Clevis Pin 5 16 x1 Clevis Pin 5 16 x1 1 4 Ring Fastener One Piece Door without Tra...

Page 21: ...e small children cannot reach and away from the moving parts of the door For gang box installations it is not necessary to drill holes or install the drywall anchors Use the existing holes in the gang box NOTE Your product may look different than the illustrations Screw 6ABx1 2 Drywall Anchors 2 Screw 6 32x1 2 HARDWARE 1 Strip 7 16 inch 11 mm of insulation from one end of the wire and separate the...

Page 22: ... wire near the garage door opener 3 Connect the wire to the red and white terminals on the garage door opener If your garage is pre wired make sure you use the same wires that are connected to the door control To insert or release wires from the terminal push in the tab with screwdriver tip RED WHITE WHITE GREY 7 16 11 mm 2 3 1 HARDWARE Insulated Staple Not Shown Staple STEP 12 Attach the warning ...

Page 23: ...r LEDs will light The garage door opener will not go into the sleep mode until the garage door opener has completed 5 cycles upon power up When installing the safety reversing sensors check the following l Sensors are installed inside the garage one on either side of the door l Sensors are facing each other with the lenses aligned and the receiving sensor lens does not receive direct sunlight l Se...

Page 24: ...acket and attach with the wing nut The lenses on both sensors should point toward each other Make sure the lens is not obstructed by the sensor bracket Lens Carriage Bolt Not provided No more than 6 inches 15 cm 1 2 Not provided Wing Nut 3 4 OPTION C FLOOR INSTALLATION Use an extension bracket not provided or wood block to raise the sensor bracket if needed 1 Carefully measure the position of both...

Page 25: ...ling with the staples 2 Strip 7 16 inch 11 mm of insulation from each set of wires Separate the wires Twist the white wires together Twist the white black wires together 3 Insert the white wires into the white terminal on the garage door opener Insert the white black wires into the grey terminal on the garage door opener To insert or remove the wires from the terminal push in the tab with a screwd...

Page 26: ...ite wire would connect to the yellow wire and the white black wire would connect to the purple wire 4 At the garage door opener strip 7 16 inch 11 mm of insulation from each end of the wires previously chosen for the safety reversing sensors Twist the like colored wires together 5 Insert the wires connected to the white safety sensor wires to the white terminal on the garage door opener Insert the...

Page 27: ...rounding type outlet If the plug doesn t fit into the outlet you have contact a qualified electrician to install the proper outlet THERE ARE TWO OPTIONS FOR CONNECTING POWER OPTION A TYPICAL WIRING 1 Plug in the garage door opener into a grounded outlet 2 DO NOT run garage door opener at this time OPTION B PERMANENT WIRING If permanent wiring is required by your local code refer to the following p...

Page 28: ...ut SENDING SENSOR RECEIVING SENSOR invisible light beam If the receiving sensor is in direct sunlight switch it with sending sensor so it is on the opposite side of the door IF THE AMBER LED ON THE SENDING SENSOR IS NOT GLOWING 1 Make sure there is power to the garage door opener 2 Make sure the sensor wire is not shorted broken 3 Make sure the sensor has been wired correctly white wires to white ...

Page 29: ...he open UP and close DOWN position The electronic controls sense the amount of force required to open and close the door The force is adjusted automatically when you program the travel NOTE If anything interferes with the door s upward travel it will stop If anything interferes with the door s downward travel it will reverse UP Open DOWN Close One Piece Doors Only When setting the UP travel for a ...

Page 30: ...ress and hold the DOWN button until the door is in the desired DOWN position 5 Once the door is in the desired DOWN position press and release the Adjustment Button The garage door opener lights will flash twice and the UP Button will begin to flash 6 Press and release the UP Button When the door travels to the programmed UP position the DOWN Button will begin to flash 7 Press and release the DOWN...

Page 31: ...ravel see Adjustment Step 1 3 Repeat the Safety Reversal test If the test continues to fail call a trained door systems technician If the test continues to fail call a trained door systems technician 1 2 STEP 3 Test the Protector System Without a properly installed safety reversing sensor persons particularly small children could be SERIOUSLY INJURED or KILLED by a closing garage door 1 Open the d...

Page 32: ...ile device go to Settings Wi Fi and select the network with the MyQ prefix 3 CONNECT THE GARAGE DOOR OPENER TO YOUR HOME Wi FiNETWORK Launch the web browser such as Safari or Chrome on your mobile device and go to setup myqdevice com Follow the on screen prompts to add the garage door opener to your home Wi Fi network 4 SETUP YOUR MyQ ACCOUNT Download the MyQ app from the App StoreSM or Google Pla...

Page 33: ...tructions 8 NEVER use handle to pull garage door open or closed If rope knot becomes untied you could fall 9 After ANY adjustments are made the safety reversal system MUST be tested 10 Safety reversal system MUST be tested every month Garage door MUST reverse on contact with 1 1 2 3 8 cm high object or a 2x4 laid flat on the floor Failure to adjust the garage door opener properly increases the ris...

Page 34: ...ge door and the safety reversing sensor infrared beam is obstructed see page 35 Motion Detecting Control Panel or see page 37 Multi Function Control Panel Use an incandescent A19 light bulb 100 watt maximum or for maximum energy efficiency a 26W 100W equivalent compact fluorescent light CFL bulb NOTE Do not use halogen short neck or specialty light bulbs as these may overheat the end panel or ligh...

Page 35: ...lashes is 2 1 2 minutes l 3 flashes is 3 1 2 minutes l 4 flashes is 4 1 2 minutes To cycle through the time intervals repeat the step above If the push bar LED is continuously blinking the LOCK feature needs to be turned off To turn the Light feature on or off Factory default is On Turn OFF 1 Close the garage door 2 Start with the garage door opener lights OFF 3 Press and hold the LIGHT button app...

Page 36: ...er is operating by battery power or if the safety reversing sensors are misaligned This feature is NOT intended to be the primary method of closing the door A keyless entry should be installed in the event of an accidental lock out when using this feature To turn TTC on or off or to set the TTC time interval Turn ON 1 Press and hold the ON button until one of the TTC LEDs light up 2 Then press the...

Page 37: ... garage door opener lights flash The time interval is indicated by the number of times the garage door opener lights flash l 1 flash is 1 1 2 minutes l 2 flashes is 2 1 2 minutes l 3 flashes is 3 1 2 minutes l 4 flashes is 4 1 2 minutes To cycle through the time intervals repeat the step above If the push bar LED is continuously blinking the LOCK feature needs to be turned off To turn the Light fe...

Page 38: ...ty reversing sensors are misaligned This feature is NOT intended to be the primary method of closing the door A keyless entry should be installed in the event of an accidental lock out when using this feature Remote Control and Keyless Entry Pre programmed remote controls 2 included no need to program the remote To add or reprogram a remote control follow the instructions below Older Chamberlain r...

Page 39: ...rage door opener until the learn LED goes out approximately 6 seconds 2 Immediately press and hold the LEARN button again until the learn LED goes out All codes are now erased Reprogram any accessory you wish to use ERASE THE CONNECTION FROM GARAGE DOOR OPENER TO HOME Wi FiNETWORK 1 Press and hold the black adjustment button on the garage door opener until 3 beeps are heard Approximately 6 seconds...

Page 40: ...is device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment This device must be installed to ensure a minimum 20 cm 8 in distance is maintained between ...

Page 41: ... would interrupt the sensor s path while closing 1 5 Door moves 6 8 15 20 cm stops or reverses Manually open and close the door Check for binding or obstructions such as a broken spring or door lock correct as needed Check wiring connections at travel module and at the logic board Replace travel module if necessary No movement only a single click Manually open and close the door Check for binding ...

Page 42: ...operly installed aligned and free of any obstructions My garage door opener light s will not turn off when the door is open The garage door opener is equipped with a feature that turns the light on when the safety reversing sensors have been obstructed or when the motion sensor on the door control detects movement in the garage These features can be disabled using the door control see page 35 My n...

Page 43: ...e outside of the home to enable access to the garage using a 4 digit PIN Works with ALL Chamberlain openers from 1993 present MyQ compatible Extension Brackets Optional For safety reversing sensor installation onto the wall or floor LOCK LIGH T LOCK LIGHT CLOSED OPEN 041A5281 1 G8810CB 10 Foot 3 m Rail Extension To allow a 10 foot 3 m door to open fully 8 Foot 2 4 m Rail Extension To allow an 8 fo...

Page 44: ...ND NO IMPLIED WARRANTIES WILL EXIST OR APPLY AFTER SUCH PERIOD Some States do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you THIS LIMITED WARRANTY DOES NOT COVER NON DEFECT DAMAGE DAMAGE CAUSED BY IMPROPER INSTALLATION OPERATION OR CARE INCLUDING BUT NOT LIMITED TO ABUSE MISUSE FAILURE TO PROVIDE REASONABLE AND NECESSARY MAINTENANCE UNAUTHO...

Page 45: ...Description Part Number 1 Curved Door Arm 041B0035B 2 Door Bracket with Clevis Pin and Fastener 041A5047 1 3 Emergency Release Rope and Handle 041A2828 4 Header Bracket with Clevis Pin and Fastener 041A5047 2 5 Remote Control Visor Clip K029B0137 6 Safety Sensor Bracket 041A5266 3 7 Safety Sensor Kit Receiving and sending sensors with wire 041A5034 8 Straight Door Arm 4178B0034B 9 White and Red Wh...

Page 46: ...el with Light Socket 041D0207 4 Light Socket 041C0279 5 Light Lens 041D7572 6 Capacitor 030B0532 1 7 Capacitor Bracket K012A0373 8 Travel Module 041D7742 7 9 Cover 041D8810 10 Receiver Logic Board 050ACTWF 11 End Panel for Receiver Logic Board with Light Socket 041D8214 12 Motor with Travel Module 041A7442 13 Line Cord 041B4245 1 14 Terminal Block 041A3150 Not Shown Wire Harness 041A7948 ...

Page 47: ...Panel with Light Socket 041D0207 3 Light Lens 041D7572 4 Light Socket 041C0279 5 Transformer 041D0277 2 6 Cover 041D8810 7 Motor with Travel Module 041D8006 1 8 End Panel for Receiver Logic Board with Light Socket 041D8214 9 Receiver Logic Board 050DCTWF 10 Travel Module 041D8071 4 11 Line Cord 041B4245 1 12 Terminal Block 041A3150 Not Shown Wire Harness 041D8255 ...

Page 48: ... Inc All Rights Reserved Wi Fi is a registered trademark of Wi Fi Alliance App Store is a service mark of Apple Inc 114A5010E Google Play is a trademark of Google Inc The Chamberlain Group Inc 300 Windsor Drive Oak Brook IL 60523 ...

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