6 – ENGLISH
3.5 PRE-INSTALLATION WORKS
The gure shows an example of an automation system, constructed using Nice components.
A4
C
5
4
E
1
2 3
F
D
D
6
G
B
B
5
A Gearmotor
B Photocells
C Key selector
D Photocells on column
E Warning light with incorporated antenna
F Transmitter
G Main edge
These above-mentioned components are positioned according
to a typical standard layout. Using the layout in “Figure 5” as a
reference, dene the approximate position in which each com-
ponent of the system will be installed.
Table 4
TECHNICAL SPECIFICATIONS OF ELECTRICAL CABLES
Identication
no.
Cable characteristics
1
GEARMOTOR POWER SUPPLY cable
1 cable 3 x 1.5 mm
2
Maximum length 30 m [note 1]
2
WARNING LIGHT cable
1 cable 2 x 1 mm
2
Maximum length 20 m
3
ANTENNA cable
1 x RG58-type shielded cable
Maximum length 20 m; recommended < 5 m
4
PHOTOCELL cable
1 cable 2 x 0.5 mm
2
Maximum length 30 m [note 2]
5
KEY SELECTOR cable
2 cables 2 x 0.5 mm
2
[note 3]
Maximum length 50 m
6
MAIN EDGE cable
1 cable 2 x 0.5 mm
2
Maximum length 20 m
Note 1 If the power supply cable is longer than 30 m, a cable
with larger cross-sectional area (3 x 2.5 mm
2
) must be
used and a safety earthing system must be installed
near the automation.
Note 2 If the BlueBus cable is longer then 30 m, up to maxi-
mum 50 m, it is necessary to use a cable with a greater
cross-sectional area (2 x 1 mm
2
).
Note 3 These two cables can be replaced by a single 4 x 0.5
mm
2
cable.
a
Before proceeding with the installation, prepare the
required electrical cables by referring to “Figure 5”
and to that stated in the “TECHNICAL SPECIFICA-
TIONS” chapter.
a
The cables used must be suited to the type of envi-
ronment of the installation site.
a
When laying the pipes for routing the electrical ca-
bles, take into account that any water deposits in
the junction boxes may cause the connection pipes
to form condensate inside the control unit, thus
damaging the electronic circuits.
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