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After the venetian blind motor has been installed, attach these
instructions to the cable for the use of the electrician.

Mounting instructions

Mounting of the safety cut-out „right hand installation“

Remove label on the bottom side of the limit switch housing and
insert the safety cut-out with 

orange

or 

black

cap in the openings

and engage it in such a way that the orange or black pressure pin
points towards the side of the orange adjustment push-button 

UP

.

If the supplied safety cut-out cannot be used, e.g. due to lack of
space, then the label must not be removed since it protects the
inside of the limit switch against dirt.

If the safety cut-out is not long 
enough, it can be extended by 
10 mm at a time with the safety 
cut-out extension (article 
number 16 101.4501). 
(Maximum of 3 safety cut-out 
extensions can be plugged on).

Insert the blade of a small flat 
screwdriver into one of the 
grooves on the orange cover and by pressing the blade towards
the middle of the safety cut-out, lever off the cover. Clip on the
extension and then clip on the cover again.

Mounting of the QuickSnap coupling for JA

1. Apply coupling at an angle whilst observing the position of the

coupling with respect to the shaft: The stop spring should slide
on the upper surface of the hexagonal shaft.

2. Push coupling a little further until the spring audibly latches

into the groove. (Click).

3. If the groove is covered by a bearing or lockwasher, the

hexagonal shaft can be correspondingly pushed back until the
coupling spring latches into place.

4. By pulling it by jerks check that the coupling is securely seated.

Dismantling of the QuickSnap coupling for JA

Do not forcibly remove the coupling.

1. Lift up the motor coupling retaining spring on the shaft with a

small screwdriver.

2. Pull off the coupling.

Installation in headpiece

Installation instructions:
• Install drive without restraint, 

in 

correct position (safety cut-out 
showing downwards)

, and properly 

aligned with the shafts in the 
venetian blind head.

• Impacts (e.g. hammer blows) are not 

permitted on drive, shaft or coupling.

• The axle height of the drive is 

27.5 mm. See JA accessories for 
dampers for different bearing blocks 
axle heights.

• Make sure that the shaft is not radially loaded.
• Make electrical connection with installation 

cable (article number 23 246.0001) and check 
the turning direction of the drive shaft 
according to the direction advice on the front 
of the limit switch housing. Travel to the lower 
end position again with the 

DOWN

pushbutton.

• Couple drive to shaft. Note the correct setting 

for the slats. 

Left-hand installation is not possible with JAR drives.

JAR Venetian Blind Motors

GB

removable label

damper

countersunk bolt 
withcross recess 
H no. 3

22

32

Setting instructions:

Venetian blind drives are supplied
from the factory already set to the
lower end position 

“Ab1”

(Down1).

Connect installation cable to
venetian blind drive.

Setting the upper end position:

:

Setting of the upper end point is
only necessary if the end position is
located ahead of switch-off by the
safety cut-out. Otherwise the
venetian blind is only switched off
by the safety cut-out.

• Move venetian blind upwards with

the corresponding push button.

• Simultaneously press the 

orange adjustment button 
and hold it down for at 
least 5 seconds. (Adjustment 
button remains latched.)

Adjustment push
button (white)

DOWN

Adjustment push
button (white)

DOWN

Adjustment push
button (white)

DOWN1

Safety 
cut-out

elero

ZU

Button 1
Button 2
Button 3

Working setting

Advice

This must have taken place at latest 0.5 m before reaching the 
end position. After pressing the adjustment button it must stay
latched in.

• With the help of the installation cable travel directly to the upper

end position (fine adjustment by means of inching operation
with the installation cable).

• By changing the direction of travel the adjustment button is

automatically unlatched and the upper end position is then set.

Setting the lower end position: 

It is not normally necessary to set the lower end position since the
ventian blind drives are set to the lower end position in the factory.
If it is necessary however the setting takes place in the same way as
for the upper end position.

• Move venetian blind downwards with the corresponding push

button.

• Not less than 0.5 m before reaching the lower setting 

press in the

two white adjustment buttons AB1 and AB2

(Down1 and

Down2)at the same time and keep them pressed for 

at least 5

seconds

.

Advice:

This must have taken place at latest 0.5 m before reaching the 
end position. After pressing the adjustment button it must stay
latched in.

• With the help of the installation cable travel directly to the lower

end position (fine adjustment by means of inching operation
with the installation cable).

• By changing the direction of travel the adjustment button is

automatically unlatched and the lower end position is then set.

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