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LiftMaster LM3800TX Instrucciones página 30

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To prevent possible SERIOUS INJURY or DEATH from a falling door:
• If possible, use emergency release handle to disengage door ONLY
when door is CLOSED. Weak or broken springs or unbalanced door
could result in an open door falling rapidly and/or unexpectedly.
• NEVER use emergency release handle unless the doorway is clear
of persons and obstructions.
INSTALLATION STEP 4
Attach the Cable Tension Monitor
This operator comes standard with the cable tension monitor. It is
supplied as a device to monitor the cables for ANY slack that may
occur and will reverse the door when excessive slack is detected,
eliminating service calls.The cable tension monitor MUST be
connected and properly installed before the door operator will move
in the down direction.
NOTE: The cable tension monitor contains a 1kOhms resistor to check it
is connected. Jumper the terminals with an equivalent resistor if the
cable tension monitor is not used. Attention: Danger to life if the gate is
not otherwise protected against cable breakage.
NOTE: The cable tension monitor is shipped for left side installation. It is
preferred that the cable tension monitor be installed on the same side of
the door as the operator. If required, it can be mounted on the opposite
side of door. Remove the snap-ring holding the roller in place and
reassemble it on the opposite side of the cable tension monitor.
1. Position the cable tension monitor as shown
The cable tension monitor should be located
as close to the drum as possible.
NOTE: There must be no obstructions in the installation area that
prevent the cable tension monitor or the cable itself from closing
completely when slack is detected.
2. Make sure cable tension monitor is located over a wood support
member.
NOTE: If the cable tension monitor can not be mounted into wood with
the lag screws provided, it can be mounted into 25mm (1") or greater
pasterboard using the wall anchors (2) and the #8 hex head
screws (2) provided in the hardware bag.
3. Mark and drill 5mm (3/16") pilot holes for screws (pilot holes are not
required for anchors).
4. Attach the cable tension monitor to the wall using the hardware
provided. Make sure that the roller is on top of the cable.
5. Run bell wire to motor unit. Use insulated staples to secure wire in
several places.
6. Connect bell wire to the green quick-connect terminals (polarity
is not important).
NOTE: Cable must have tension through entire travel. Make sure there is
no slack in cable on opposite side of the door during normal operation. If
this condition exists, adjust cables as required.
INSTALLATION STEP 5
Electrical Requirements
To avoid installation difficulties, do not run the opener at this time.
To reduce the risk of electric shock, your garage door opener has a
grounding type plug with a third grounding pin. This plug will only fit into
a grounding type outlet. If the plug doesn't fit into the outlet you have,
contact a qualified electrician to install the proper outlet.
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If permanent wiring is required by your local code, refer to the
following procedure.
To make a permanent connection through the 22mm hole in the back of
the motor unit (according to local code):
• Remove the opener from the torsion bar, remove cover screws and
set the cover aside.
• Remove the attached green ground terminal.
• Cut black and white wires and strip away 1.3 cm of insulation, 7.6 cm
before spade terminals.
• Remove the power cord from unit.
o
• Install a 90
conduit or flex cable adapter to the 22mm hole. Reinstall
opener to torsion bar.
• Run wires through conduit, cut to proper length and strip insulation.
• Attach with wire nuts (not provided).
• Properly secure wire under plastic ties so that wire does not come in
contact with moving parts.
• Reinstall the cover.
To avoid installation difficulties, do not run the opener at this time.
INSTALLATION STEP 6 (Optional)
Installing the Wireless Wall control (128LM)
Control must be mounted out of the reach of children at a height of
1.5m with an unobstructed view of the door.
• Ensure your 3800 operator is switched off whilst
installing your wireless door control to prevent accidental
activation
• Remove the cover from the 128LM.
• Mount 128LM as shown using the screws provided if
mounting into a wall box (not provided).
• If mounting directly on the wall use wall anchors
(provided) to fix unit to the plasterboard wall.
• Replace the cover plate and affix the warning label
adjacent the wall controller.
Installing Door Control (OPTIONAL)
Locate door control where the garage door is visible, away from
door and door hardware and out of the reach of children. Mount at
least 1,5 m (5 feet) above the floor
Serious personal injury from a moving garage door may result from
misuse of opener. Do not allow children to operate the door control
or remote control transmitter.
Permanently fasten the caution label permanently to the wall near
the door control as a reminder of safe operating procedures.
There are 2 terminals (1) on the back of the door control (2). Strip about
6mm (1/4") of insulation from bell wire (4). Separate wires enough to
connect the white/red wire to RED terminal screw 1 and the white wire to
WHT terminal screw 2.
Fasten the door control to an inside garage wall with sheet metal screws
(3) provided. Drill 4mm (5/32") holes and use anchors (6) if installing into
drywall. A convenient place is beside the service door and out of reach of
children.
Run the bell wire up the wall and across the ceiling to the garage door
opener. Use insulated staples (5) to secure wire. The receiver quick
connect terminals are located behind the light lens of the opener.
Connect the bell wire to the terminals as follows: white/red to red (1) and
white to white (2).
Operation of the Door Control
Press to open or close the door. Press again to stop the door while
moving.
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