Flue Installation - Vaillant ecoTEC plus VU 446/5-5 (H-GB) Installation And Maintenance Instructions Manual

7.9.1.6 Internal termination downstream of sink
waste
≤ 3 m
Open end of pipe direct into gulley below ground level but
above water level
Susceptible to siphonage, must terminate in a gulley
7.9.1.7 External termination into rain water down
pipe
Ø22mm
Ø 32mm
NB only combined foul/rainwater drain
7.9.1.8 Additional methods of introducing air breaks
2
1 Air break
2 Using a tundish
0020261389_03 ecoTEC plus Installation and maintenance instructions
Ø22mm
100mm
Ø32mm
≤ 3 m
1
3
3 Using a pipe
7.9.1.9 Connection of condensate pump
Ø22mm
Preferred option for external connection
7.10

Flue installation

7.10.1 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.
Condition: Product installed individually in living rooms
▶
Observe the information on positioning the air/flue ter-
minal.
Condition: Product installed in cascade or in business spaces
▶
If the product is installed in cascade or in business
spaces, observe the requirements for standard
IGEM / UP / 10 for the conditions regarding aerating and
installing the attachment for the air/flue pipe.
–
https://www.vaillant.co.uk
Condition: Installation in damp rooms
▶
Connect the product to a room-sealed air/flue system.
–
The combustion air must not be taken from the install-
ation 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.
2. Install the air/flue pipe using the set-up instructions.
7.10.2 B23 installation
Validity: Except Great Britain AND Except Ireland
A flue system for permitted unit type B23 (atmospheric gas-
fired wall-hung boilers) requires careful planning and imple-
mentation.
▶
Observe the product's technical data when planning.
Ø32mm
≥ 3 m
27