Vaillant ecoTEC plus 412 Installation Manual page 18

5.5.3 Securing the telescopic pipe
1 2
1. Set the telescopic wall duct to the correct length.
–
Note that the TOP symbols at both ends must point
upwards.
Danger!
Risk of poisoning due to escaping flue
gas.
Flue gas can escape if a flue pipe is dam-
aged.
▶
Only use the self-tapping screw provided.
2. Secure the air pipes to each other by screwing the
overlapping air pipes together using the supplied self-
cutting screws (1) on the underside.
3. Seal the gap on the telescopic air pipe using the sup-
plied adhesive tape (2).
5.5.4 Installing the wall duct
1. Drill a hole.
–
Diameter: 110 mm
2. Push the air/flue pipe from outside and through the wall
and the terminals.
≤28
≥24
3. Pull the wall duct out to the required depth.
4. Use the locking screws to secure the wall duct.
18
5.
6.
7.
8.
5.6
5.6.1
5.6.1.1 Scope of delivery
1
2
5.6.1.2 Installing the black terminal (change of
Condition: Terminal secured using screws
▶
1
1.
2.
–
Use at least three of the six holes (1) that are avail-
able in the terminals to secure the flue pipe.
Install the collar.
Before you install the boiler, check that the wall duct is
safely secured in place.
Seal the installation gap using a suitable material (e.g.
mortar).
Install the boiler (→ Installation instructions for the boil-
er).
Installing terminal sets for 60/100 mm
diameter air/flue systems
Black terminal set – 0020219537
1
Collar
Terminal piece
colour)
Note
You must install the terminal sets before installing
the flue pipework.
Undo the lateral screws.
A
Detach the terminal with the flue pipe by pushing the
air pipe to the floor.
Note
You cannot reuse the terminal as detaching
the terminal damages the latching lugs in
the terminal.
Pull the terminal from the air pipe together with the flue
pipe.
Air/flue pipe installation manual 8000026412_01
2 3
3 End pipe
B