Chamberlain B550 - Page 4

4
Carton Inventory
Save the carton and packing material until the installation and adjustment is complete. Instructions for the accessories
will be attached to the accessory and are not included in this manual. The images throughout this manual are for
reference only and your product may look different.
Model Power Door Control Remote Control Wireless Keypad
B550 Med Lift Power System™ Multi-Function 3-button (2)
ü
B552 Med Lift Power System™ Multi-Function 3-button (2)
ü
B750 Plus Lift Power System™ Motion Detecting 3-button (2)
ü
A. Header bracket
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
O. Remote control
P. The Protector System
®
Safety reversing sensors with 2 conductor white and white/black wire attached: Sending Sensor (1),
Receiving Sensor (1), and Safety Sensor Brackets (2)
NOT SHOWN
Wireless Keypad
White and red/white wire
Owner's manual
Hardware
MyQ
®
Remote Lamp Control (2) (Model B552)
N
A
B
C
H
K
J
OP
I
D
E
F
G
L
M
OR
Preparation