Chamberlain ‎C450 C450 Smart Garage Door Opener

User Manual - Page 16

For C450.

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16
Installation
STEP 6 Install the light bulbs
To prevent possible OVERHEATING of the end panel or light socket:
l Use ONLY A19 incandescent (100W maximum) or compact fluorescent (26W maximum) light
bulbs.
l DO NOT use incandescent bulbs larger than 100W.
l DO NOT use compactfluorescent light bulbs larger than 26W (100W equivalent).
l DO NOT use halogen bulbs.
l DO NOT use short neckor specialty light bulbs.
1. Pull on the top sides of the light lens and rotate the light lens down.
2. Insert an A19 incandescent (100W maximum) or compact fluorescent (26W, 100W
equivalent) light bulb into the light socket.
3. Rotate the lens up to close.
NOTE: Do not use halogen, short neck, or specialty light bulbs as these may overheat the end panel or
light socket. Do not use LED bulbs as they may reduce the range or performance of your remote
controls.
or or
STEP 7 Attach the emergency release rope and handle
To prevent possible SERIOUS INJURY or DEATHfrom a falling garage door:
l If possible, use emergencyrelease handle to disengage trolley ONLY when garage door is
CLOSED. Weak or broken springs or unbalanced door could resultin an open door falling
rapidly and/or unexpectedly.
l NEVER use emergencyrelease handle unlessgarage doorway is clear of persons and
obstructions.
l NEVER use handle to pull door open or closed.If rope knot becomesuntied, you could fall.
1. Insert one end of the emergency release rope through the handle. Make sure that “NOTICE”
is right side up. Secure with an overhand knot at least1" (2.5 cm) from the end of the rope to
prevent slipping.
2. Insert the other end of the emergency release rope through the hole in the trolley release arm.
Mount the emergency release within reach,but at least6 feet (1.83 m) above floor, avoiding
contact with vehicles to prevent accidental release and secure with an overhand knot.
NOTE: If it is necessary to cut the emergency release rope, seal the cut end with a match or lighter to
prevent unraveling. Ensure the emergency release rope and handle are above the top of all vehicles to
avoid entanglement.
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