
GB GB
14 15
In order to ensure that normal operation works as intended, it is essential that the speed regulator
is set to minimal rotation speed:
– Turn the control knob anticlockwise whilst the regulator is switched on (the control knob
does not click and shut o)�
– Connect the power�
– Use a Philips screwdriver with an insulated handle to turn the potentiometer (8) until
minimal rotational speed is achieved�
– Turn the control knob anticlockwise to the o position (a click is heard)� Wait until
the fan stops rotating�
– Turn the control knob to minimum fan speed - it is now adjusted to deliver a stable
minimum rotation speed�
– Fit the frame and cover and tighten the nut�
– Fit the control knob�
NOTE:
The speed regulator must not be used if minimum rotation speed is not correctly set as this may cause
damage to the fan�
TROUBLESHOOTING
The speed regulator will work immediately after it has been connected to the mains� If the speed regula-
tor does not work, troubleshoot using the table below�
Problem Probable cause Action
The speed regulator does not
start�
No, or incorrect, connection� Check that the speed regulator
is connected correctly�
Faulty fuse� Replace fuse�
The fan does not work even
though the speed regulator is in
the ON position�
Minimum rotation speed set
incorrectly�
Adjust minimum rotation speed�
The manufacturer reserves the right to make any changes� In the event of problems, please call our
service department on
+46 (0)200 88 55 88�
Jula AB, Box 363, SE-532 24 SKARA
www�jula�se
INSTALLATION
The speed regulator must be installed indoors and vertically on the wall�
The mains power connection must be tted with a residual current device�
Connect the speed regulator to the mains electricity supply as follows:
1� Remove the speed regulator’s control knob (1)�
2� Undo the nut (2) and remove the cover and the frame (3)�
3� Remove the attachment screws (4) holding the speed regulator in the installation box
and remove the speed regulator (5) from the installation box�
4� Insert the cables in the installation box (6)�
5� Place the installation box on the wall�
6� Strip the cable ends approx� 6-7 mm�
7� Connect the cables to the speed regulator’s (P) connection block (7) and the fan (B) as
shown in the wiring diagram and the label on the connection block�
8� Place the speed regulator in the installation box and secure it in position using the screws�