Chamberlain LiftMaster CB3 Manual Del Usuario página 10

PLEASE START BY READING THESE IMPORTANT SAFETY RULES • SAVE THESE INSTRUCTIONS
This safety alert symbol means "Caution" - failure to comply with such an instruction involves risk of personal injury or
damage to property. Please read these warnings carefully.
This garage door opener is designed and tested to offer reasonable safe service provided it is installed, operated,
maintained and tested in strict accordance with the instructions contained in this manual.
WARNING – INCORRECT INSTALLATION CAN LEAD
TO SEVERE INJURY. FOLLOW ALL INSTALLATION
INSTRUCTIONS.
Door must not extend over public footpaths or roads
during operation.
Before installing the drive unit all ropes or chains, which
are not required, must be removed and all devices, which
are not required after the installation of the drive, must be
put out of operation.
Install only on a properly balanced garage door in good
operating condition. Sticking or binding doors must be
repaired. Garage doors and components attached to them
are under extreme tension. Do not attempt to repair or
adjust them. Get professional garage door service
The actuating member of a biased-off switch, if installed, is
to be located within direct sight of the gate but away from
moving parts. Unless it is key operated, it is to be installed
at a minimum height of 1,5m and not accessible to the
public.
This unit should not be installed in a damp or wet space.
The force, as measured on the closing edge of the door,
should not exceed 150N (15kg). If the closing force is
adjusted to more than 150N, The Protector System™
must be installed.
After installation and adjustment, ensure that your garage
door reverses on contact with a 50mm high object placed
on the floor. Repeat monthly and adjust as necessary.
SUMMARY OF COMPLETE ELECTRICAL INSTALLATION
Connection of electronic control PCB
For any sort of work on the electronic control PCB (connecting,
programming, maintenance etc.), the power supply must always be
disconnected.
The points in the GENERAL SAFETY REGULATIONS must be
observed.
Prepare the cable channels and carry out the electrical connection of the
controller to the respective accessories. Always disconnect the power
cable from the control and safety cables (pushbuttons, receivers,
photocells etc.). To avoid electrical faults separate jackets should be
used. Then program the electronic controller as necessary according to
the respective instructions.
The summary provides a general overview of the type of electrical
wiring. It may be the case that other routes have to be selected. The
drawings merely show the normal routes (Abb. 1-4).
A. Standard installation
B. Full installation
C. Full installation with 2 motors
D. External controller mounted on the wall
709309-GB
IMPORT INFORMATION REGARDING INSTALLATION AND USAGE
WARNING
WARNING – IT IS VITAL FOR THE SAFETY OF
PERSONS TO FOLLOW ALL INSTRUCTIONS. SAVE
THESE INSTRUCTIONS!
Watch the moving door and keep people away until it is
completely opened or closed. Do not allow children to play
with door controls. Keep remote controls away from
children.
Set up permanent warning notices concerning the danger
of the entrapment of body parts at conspicuous sites or
close to fixed control or regulation equipment.
Permanently fix the sign for the manual release device
close to its respective actuating element.
Use caution when operating manual release if the door is
open, since it may fall rapidly if out of balance or if springs
are weak or broken. Property damage or serious personal
injury could result.
Disconnect electric power to the garage door opener before
making repairs or removing covers.
This product is provided with a power supply cord of
special design. If damaged, it must be replaced by a cord
of the same type obtained from your local Chamberlain
distributor, and must be fitted by a specialist.
After installation it is important to ensure that the drive unit
prevents the opening movement – or stops – if the door is
loaded with a weight of 20 kg in the middle of the lower
edge of the door (for drives which can be installed with a
door which has openings in the door wing with a diameter
greater than 50 mm). EN 60335-2-95. Subclause 7.12.1.