Flue Installation - Vaillant ecoTEC pro VUW 6/5-3 Series Installation And Maintenance Instructions Manual

Open end of pipe direct into gulley below ground level but
above water level
Susceptible to siphonage, must terminate in a gulley
7.7.1.7 External termination into rain water down
pipe
Ø22mm
Ø 32mm
NB only combined foul/rainwater drain
7.7.1.8 Additional methods of introducing air breaks
2
1 Air break
2 Using a tundish
7.7.1.9 Connection of condensate pump
Ø22mm
Preferred option for external connection
0020244995_04 ecoTEC pro Installation and maintenance instructions
≤ 3 m
1
3
3 Using a pipe
Ø32mm
≥ 3 m
7.8

Flue installation

7.8.1 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.
3. Install the air/flue pipe using the set-up instructions.
7.8.2 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 under
Technical data.
Remove the connection piece for the air/flue pipe – this
2.
is installed at the factory. (→ Page 23)
3. If required, install the connection piece for the air/flue
pipe, 80/125 mm diameter. (→ Page 23)
7.8.2.1 Removing the connection piece for the
air/flue pipe
2.
1. Insert a screwdriver into the slot between the measuring
stub pipes.
2. Press the screwdriver carefully down (1.).
3. Turn the connection piece anticlockwise (2.) as far as it
will go and then remove it by pulling it upwards (3.).
7.8.2.2 Installing the connection piece for the
air/flue pipe, 80/125 mm diameter
Remove the connection piece for the air/flue pipe – this
1.
is installed at the factory. (→ Page 23)
2. Insert the alternative connection piece. In doing so, pay
attention to the latching lugs.
3. Turn the connection piece clockwise until it clicks into
position.
3.
1.
23