Vaillant ecoTEC exclusive Installation And Maintenance Instructions Manual page 13

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5.9.1
Opening the electronics box
B
Open the electronics box as shown in the illustration.
5.9.2
Carrying out the wiring
Caution.
Risk of material damage caused by incor-
rect installation.
Mains voltage at incorrect terminals and plug
terminals may destroy the electronics.
Do not connect any mains voltage to the
eBUS terminals (+/-).
Only connect the mains connection cable
to the terminals marked for the purpose.
1.
Route the supply lines of the components to be connec-
ted through the cable duct provided on the underside of
the product on the left.
2.
Use strain reliefs.
3.
Shorten the supply lines as necessary.
30 mm max.
4.
To prevent short circuits if a strand accidentally comes
loose, only strip the outer sheathing of flexible lines to a
maximum of 30 mm.
5.
Ensure the inner conductor insulation is not damaged
when stripping the outer sheathing.
6.
Only strip inner conductors just enough to establish
good, sound connections.
7.
To avoid short circuits resulting from loose individual
wires, fit conductor end sleeves on the stripped ends of
the conductors.
8.
Screw the respective plug to the supply line.
9.
Check whether all conductors are sitting mechanically
securely in the terminals of the plug. Remedy this if
necessary.
10. Plug the plug into the associated PCB slot; see the
connection diagram in the appendix.
0020189875_01 ecoTEC exclusive Installation and maintenance instructions
5.9.3
Establishing the power supply
Caution.
Risk of material damage due to high con-
nected voltage.
At mains voltages greater than 253 V, elec-
tronic components may be damaged.
1.
Plug the mains plug into a suitable plug socket.
2.
Make sure that access to the mains connection is al-
A
ways available and is not covered or blocked.
5.9.4
Installing the product in a wet room
Danger!
Risk of death from electric shock!
If you install the product in a room with high
levels of moisture, e.g. a bathroom, observe
the nationally recognised technical standards
for electrical installations. If you use the fact-
ory-installed connection cable, if installed,
with an earthed plug, there is a risk of death
from electric shock.
1.
Open the electronics box. (→ Page 13)
2.
Detach the ProE plug from the PCB slot for the power
supply (X1).
3.
Unscrew the ProE plug for the factory-installed power
supply cable, if installed.
4.
Instead of the factory-installed power supply cable, if
installed, use a suitable three-core power supply cable
which complies with the relevant standards.
5.
Carry out the wiring. (→ Page 13)
6.
Close the electronics box.
7.
Observe the flue-gas connection that is required on a
room-sealed air/flue system. (→ Page 12)
5.9.5
Connecting controls to the electronics
1.
Install the control if necessary.
2.
Open the electronics box. (→ Page 13)
3.
Connect the wiring in accordance with the wiring dia-
gram that is included in the appendix.
Conditions: Connecting a weather-compensated control or room temperat-
ure control via eBUS
Connect the control to the eBUS connection.
Installation 5
Make sure that the rated voltage of the
mains is 230 V.
Never use the factory-installed connection
cable with earthed plug when installing the
product in a moist environment.
Connect the product using a fixed connec-
tion and an electrical partition with a con-
tact opening of at least 3 mm (e.g. fuses
or power switches).
Use a flexible line for the mains connec-
tion line, which is routed through the cable
duct into the product.
13

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