GB
7
GB
6
supply mains voltage
(230V~ 50Hz or other) in 24V D.C.
should be used. The feeder must have class II protection,
and correct functioning is guaranteed if a feeder type
approved or suggested by the manufacturer is used.
4.1. Section choice of supply cables
In low tension supply systems, tension falls due to cur-
rent passage in conductors is a basic aspect for safety
and good appliance function. It is therefore extremely
important that the conductor section in function of cable
length is calculated correctly.
The following table indicates cable lengths for an actua-
tor connected at nominal charge.
Cables section
Actuator using
24V=
230V~
4,00 mm
2
~ 1.000 m
~ 3.000 m
2,50 mm
2
~ 750 m
~ 2,200 m
1,50 mm
2
~ 450 m
~ 1,350 m
0,75 mm
2
~ 160 m
~ 500 m
0,50 mm
2
~ 130 m
~ 400 m
5. ASSEMBLY
THESE INDICATIONS ARE INTENDED FOR THE ATTENTION OF
TECHNICIANS AND SPECIALIZED PERSONNEL. BASIC JOB
AND SAFETY TECHNIQUES ARE THEREFORE NOT INCLUDED.
All preparatory operations, assembly and electrical con-
nections must be carried out by technical and specialized
personnel to guarantee best performances and good fun-
ction of the KATO chain operated actuator.
First of all, please check that the following fundamental
points have been satisfied:
• Gear motor performances must be sufficient to move
the window; any limits indicated in the technical data
table on the product cannot be exceeded
(page 13). Any
eventual calculations may be made using the formula
on page 15 of this manual.
• Warning. Check that appliance has electrical feeding
type equal to the one provided by checking with the
data reported on the label attached to the gear motor.
The actuator with the 3 (three) cable lead functions on
230V~ (A.C.) 50/60Hz. The actuator with the 2 (two)
cable lead functions on 24V_ (D.C.) supplied either by
batteries or by means of the lead.
• Check that the actuator has not been damaged during
Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
transport, first visually and then by working it in both
directions.
• Check that the inner section of the window length
(where the actuator will be hung), is over 405 mm in
length. Anything shorter than this will not allow for
assembly of the actuator.
• Ensure that all load limits for the actuator are always
respected in accordance with the specifications listed in
the table on page 13. The actuator must be able to move
the blind without being hindered by any obstruction of
any kind; in the event of any obstruction, select a suita-
ble track run to avoid blockage.
• Check that once the actuator has been installed the
distance between the fixed part of the window frame
(where the actuator will be mounted) and the moveable
part of the window frame
(where the bracket will be
mounted) is more than 0 mm (Fig. 1). If the distance is
not more than this figure, the actuator will not be able
to complete its function, as the window will not be able
to close properly. A wedge should be placed under the
support brackets to redress the balance.
• Transom window frames entail the risk of injury cau-
sed by accidental fall of the window. A compass limit
switch or alternative safety system suitably designed
to prevent any accidental falls should be installed.
5.1. Assembly with outward opening window.
A.
Pencil in an “X” over the centre line of the window
frame
(Fig. 2) or divide the frame in 3 parts in case of
Kato Syncro mounting.
B.
Select the correct form of brackets
(Fig. 3).
C.
Attach the adhesive template to the window frame
(fixed part) and line axis up with the centre line “X”
traced earlier
(Fig. 4).
Warning:
for window frames not
on the same plane, cut the part of the adhesive tem-
plate coloured in grey and fix this to the moveable
part of the window frame, taking care to keep it in the
same position.
D.
Bore holes in the window frame at the points indicated
on the adhesive template
(Fig. 5).
E.
Assemble the two brackets with the distancer
(to help
position correctly. Once it has served its purpose it
can be removed). Mount the supports onto the frame
with the appropriate screws provided. Check that eve-
rything is aligned both horizontally and vertically.
F.
Mount the bracket for outward opening windows onto
the moveable part of the frame in accordance with the
markings indicated on the adhesive template.
G.
Complete assembly of the chain terminal with the
Fig. 6
Fig. 7
Fig. 8
Fig. 9
Fig. 10
