Vaillant ecoTEC plus VU Series Installation Manual

46 Air/flue pipe installation manual 0020308120_02
5.13.10 Connecting the product
1
7
6
5
2
4 3
1. Install the wall collar (1).
2. Install the product (7) – see the installation instructions
for the product.
– Downward gradient of the horizontal flue pipe to the
product: 3° (3° corresponds to a downward gradient
of approx. 50 mm per metre of pipe length)
3. Connect the inspection elbow (5) to the connector for
the air/flue pipe (6).
4. If the product is installed directly on the primary
walling: Connect the inspection elbow to the flue
pipework. It is therefore not possible to use a sliding
sleeve.
5. If the product is installed away from the primary
walling: Place the sliding sleeve (4) with the sleeve
as far as it will go onto the extension (3); see section
entitled "Installing the sliding sleeve" (→ Page 46).
6. If required, shorten the extension according to the dis-
tance from the product.
7. Connect the extension to the flue pipework.
8. Install the extensions. (→ Page 46)
9. Connect the sliding sleeve to the inspection elbow.
10. Install the air pipe clamp (2) for the sliding sleeve.
11. Connect all of the pipe joints with air pipe clamps.
(→ Page 54)
5.14 Installing the sliding sleeve, elbows and
extensions
5.14.1 Installing the sliding sleeve
Note
The sliding sleeve provides for straightforward
installation and disconnection of the air/flue pipe
to/from the product.
A
5
5
6
7
1
2
1
2
3
4
1. Slide the sliding sleeve (2) onto the flue pipe (1) as far
as it goes.
2. Pull the sliding sleeve (2) back far enough from the flue
pipe (1) so that the inserting end of the sliding sleeve
sits in the sleeve (3) of the flue pipe (4).
60/100 mm dia-
meter
80/125 mm dia-
meter
A 100–110 mm 82–90 mm
3. Connect the air pipes (5, 7) with the air pipe clamp (6).
4. Use a locking screw to secure both sides. (→ Page 54)
5.14.2 Installing extensions
Danger!
Risk of poisoning due to escaping flue
gas.
The flue pipes of the air/flue pipe may move
as a result of thermal expansion and may
then become disconnected.
▶ Lock the flue pipe in the spacer of the air
pipe.
5.14.2.1 Installing 60/100 mm diameter extensions
1
2
3
4
1. Turn the flue pipe (1) to a position that enables the
ridge (2) on the plastic pipe to be pushed through the
spacer (4).
2. Pull the pipe quickly and firmly over the detent.

Vaillant ecoTEC plus VU Series Specifications

General

Type	Condensing Boiler
Installation	Wall-mounted
Heating circuit	Sealed System
ErP Rating	A
Fuel	Natural Gas
Efficiency	Up to 94%
Modulation	1:6
Warranty	2-5 years (depending on model and region)
Dimensions	720 x 440 x 338 mm