![Vaillant ecoTEC plus VU 6/5-5 Series Installation And Maintenance Instructions Manual Download Page 28](http://html1.mh-extra.com/html/vaillant/ecotec-plus-vu-6-5-5-series/ecotec-plus-vu-6-5-5-series_installation-and-maintenance-instructions-manual_4094558028.webp)
28
Installation and maintenance instructions 0020244997_07
7.11
Flue installation
7.11.1 Installing and connecting the air/flue pipe
1.
You can find out which air/flue pipes may be used
by consulting the enclosed set-up instructions for the
air/flue system.
2.
Observe the information on positioning the air/flue ter-
minal.
Condition
: Installation in damp rooms
▶
You must connect the product to a room-sealed air/flue
system. The combustion air must not be taken from the
installation site.
Caution.
Risk of poisoning due to escaping flue
gas.
Mineral-oil-based greases can damage the
seals.
▶
Instead of grease, use only water or com-
mercially available soft soap to aid install-
ation.
3.
Install the air/flue pipe using the set-up instructions.
7.11.2 Replacing the connector for the air/flue pipe
as required
1.
Replace the connector for the air/flue pipe as required.
The product-specific standard equipment is listed un-
der Technical data.
2.
Remove the connector for the air/flue pipe.
(
3.
If required, install the connector for the air/flue pipe,
80/125 mm diameter. (
7.11.2.1 Removing the connector for the air/flue pipe
1.
2.
3.
1.
Insert a screwdriver into the slot between the test
points.
2.
Press the screwdriver carefully down
(1.)
.
3.
Turn the connector anti-clockwise
(2.)
as far as it will
go and then remove it by pulling it upwards
(3.)
.
7.11.2.2 Installing the connector for the air/flue pipe,
80/125 mm diameter
1.
Remove the connector for the air/flue pipe.
2.
Insert the alternative connector. In doing so, pay atten-
tion to the latching lugs.
3.
Turn the connector clockwise until it clicks into position.
7.12
Electrical installation
Only qualified electricians may carry out the electrical install-
ation.
Danger!
Risk of death from electric shock!
Power supply terminals L and N remain live
even if the on/off button is switched off:
▶
Disconnect the product from the power
supply by switching off all power supplies
at all poles (electrical partition with a con-
tact gap of at least 3 mm, e.g. fuse or cir-
cuit breaker).
▶
Secure against being switched back on
again.
▶
Wait for at least 3 minutes until the capa-
citors have discharged.
▶
Check that there is no voltage.
7.12.1 Opening the electronics box
▶
Open the electronics box as shown in the figure.
7.12.2 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.