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Chamberlain MotorLift RA35F Manuel D'instructions page 14

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Correct Installation
The illustration H also shows the wall bracket on the drive side (b),
the motor (a); the steel tube (c); the end cap (d); and the opposite
wall bearing (e).
2. Wiring
L
Mains
N
green/yellow
DEFAULT SETTING
The limits of the shutter motor have been set to a short length of travel (small window) and must be merely adjusted to suit actual requirements.
See under Point 3: Setting the limits
The radio remote control (hand-held transmitter) has already been programmed at the factory. Should it operate in the reverse direction i.e. button
for upward direction moves shutter downwards, this can be remedied.
See under: Programming first radio remote control.
3. Setting the limits "Open" and "Closed" position
+
= stops later
= stops earlier
The bottom adjusting screw is always for the upper limit and the upper is always for the lower limit, no matter whether the motor is pushed into the
shaft from the right or the left.
PLEASE READ THROUGH THE FOLLOWING INSTRUCTIONS CAREFULLY BEFORE
SETTING THE LIMITS.
Press the DOWN / UP button (remote control or switch) and let the shutter drive move in a
downward direction until it cuts off automatically and then (and only then!) ......
4. FASTEN SHUTTER ARMOURING (SLATS) TO SHAFT.
Limit at bottom is now set. If necessary make final adjustment with adjustment screw.
Allow drive to run upwards. If it switches off too early the bottom adjusting screw must be
adjusted in the plus direction. Each full turn of this screw extends the travel path by about
40° of one turn of the motor. The motor should stop just a few inches below the window
frame. If not the adjusting screw should be adjusted in the minus direction. After this the
drive must be driven back a little and then up again to check the result.
It is possible that the drive will switch itself off after several trips because it has reached a
temperature which is too high. Howevere after 15 – 20 minutes cooling time it will be ready
to operate again.
Please note that the limit switches of the drive only function properly if the drive has
been installed correctly and is completely within the shaft.
brown
blue
black
single-pole switch
A
b
H
Adjustment screws for
limit switch system
Motorcable
Antenna
My roller shutter box is:
A:
A left-handed installation. I look into the box and the limit
switch of the motor is on the left (see Fig. L1)
White
=
Limit switch AT BOTTOM
Red
=
Limit switch AT TOP
B:
A right-handed installation. I look into the box and the limit
B
switch of the motor is on the right (see Fig. L2)
Red
=
Limit switch AT BOTTOM
White
=
Limit switch AT TOP
Advice: In order to fix the roller shutter hangers to
the shaft, ONLY use short fixing screws. If the
screws are too long damage may occur to the
motor. The recommended fixing method for the
hangers is without screws by means of spring
band loops (which are hooked on).
d
c
e
a

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