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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. 

•  Please put equal load on both drive shaft outputs on 

the motor. 

•   Make electrical connection with installation cable (arti-

cle number 23 246.0001) and check the turning direc-

tion 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. 

Advice 

• Valid only with right hand installation 

•  In the case of left hand installation the colour assignment is 

exactly reversed. 

Safety 

cutout

Adjustment 

push button 

(white) 

DOWN 

Adjustment 

push button 

(orange) 

UP 

damper

cuntersunk bolt with 

cross recess H no. 3

   After the venetian blind motor has been installede, 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. 
Please check the function of the safety cut-out. Incorrect 

 installation may lead to damage.
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 safety cut-out „left hand installation“  

(special Accessory) 
When installing the JA drive as a left-hand system 

the arrangement of the microswitches inside the limit 

switch housing automatically swaps over the 

UP

 and 

DOWN

 movments. 

This means that the safety cut-out with the white cap 

(article number 26 200.1101) must be used. 
This safety cut-out must be inserted and clipped 

into the openings of the limit switch housing so that the „white“ 

pressure pin points to the side of the „white“ adjustment push 

button. The label L provided with the directional advice, should 

then be stuck over the existing label on the front. 

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. 

JA 10 Soft Venetian Blind Motors   

35 093.0001

removable label 

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. 

•  Simultaneously press the white adjustment button and hold it 

down for 

at least 5 seconds. 

Advice: 

  Compare with setting the upper end position. 
•  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. 

Readjustments:

If the respective end position is not accurately set or if the end 

positions have changed due to changed winding behaviour of 

the venetian blind, then the end positions will have to be reset as 

described above.

With the help of the installation cable the venetian blind should be 

moved back to about 0.5 m before the desired end position..

The limit switch range is 85 revolutions of the shaft. 

168029001_EN_0612 

Setting instructions 

Venetian blind drives are supplied from the factory already set 

to the lower end position. Connect installation cable to venetian 

blind drive. Connect installation cable to venetian blind drive. 

Setting the upper end position: 

•  Move venetian blind upwards with the  

corresponding push button. 

•  Press in the orange adjustment button while it is  

moving up and hold it in for 

at least 5 seconds

  

(adjustment button stays latched in). 

Advice 

  This must have taken place at latest 0.5 m before reaching 

the end position. After pressing the admustment 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. 

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