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Wiring
B
Lead the connecting cable from the power supply unit to
the window. Wiring in roof windows is described in the
instructions for wiring supplied.
The 8 m long cable has a cable cross-section of 2 x 0.50 mm
If necessary, it can be extended by up to 8 m using the same
cable type (max total length: 16 m).
If the cable must be longer than 16 m, the cable supplied
must be replaced by a cable with a cable cross-section of
2 x 0.75 mm
If the cable must be longer than 25 m, the cable supplied
must be replaced by a cable with a cable cross-section of
2 x 1.50 mm
m
0 - 16
0 - 25
0 - 50
Connecting products to a power supply unit
When connecting more than one product, lead the cable to
a junction box from where the cables are distributed to the
individual products. The junction box should be placed as
close as possible to the products to be supplied with power.
Connecting products to additional power supply units
When installing more than one power supply unit, use a
separate 2-core cable for each power supply unit. Do not
use multicore cables as the signals between the power
supply units and connected products may be disturbed.
Important
The polarity (+/-) must be kept all the way through to the
product.
7 VELUX
®
(max total length: 25 m).
2
(max total length: 50 m).
2
mm
2
2 x 0.50
2 x 0.75
2 x 1.50
.
2
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