Vaillant ecoCOMPACT VCC4 Series Installation And Maintenance Instructions Manual page 16

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5 Installation
Danger!
Risk of death from electric shock as a res-
ult of an improper electrical connection!
An improper electrical connection may neg-
atively affect the operational safety of the
product and result in material damage or per-
sonal injury.
Only carry out the electrical installation if
you are a trained competent person and
are qualified for this work.
Observe all applicable laws, standards
and directives in the process.
Earth the product.
5.6.1
Opening/closing the electronics box
5.6.1.1 Opening the electronics box
1.
Remove the front casing. (→ Page 12)
C
A
2
1
2.
Hinge the electronics box (1) forwards.
3.
Undo the four left- and right-hand clips (3) from the re-
tainer.
4.
Fold up the cover (2).
5.6.1.2 Closing the electronics box
1.
Close the back panel (2) by pressing downwards on the
electronics box (1).
2.
Ensure that all four clips (3) audibly click into the re-
tainer.
3.
Fold the electronics box upwards.
16
3
B
A
Installation and maintenance instructions ecoCOMPACT 0020181421_04
5.6.2
Carrying out the wiring
1
2
24V / eBUS
1
Route of the cables on
the electronics box
2
Route of the cables on
the back panel of the
product
1.
Route the connection cables of the component to be
connected through the grommet to the electronics box.
2.
If required, shorten the connection cables.
30 mm
3.
Strip the flexible line as shown in the figure. In doing so,
ensure that the insulation on the individual conductors
is not damaged.
4.
Only strip inner conductors just enough to establish
good, sound connections.
5.
To avoid short circuits resulting from loose individual
wires, fit conductor end sleeves on the stripped ends of
the conductors.
6.
Screw the respective plug to the connection cable.
7.
Check whether all conductors are properly fastened
to the connection terminals of the plug. Remedy this if
necessary.
8.
Plug the plug into the associated PCB slot.
230V
24V / eBUS
230V

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