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10.4 Air ducts
Material losses
!
Never link cooker hoods to the ventilation system.
Material losses
!
During installation, ensure that no metal swarf enters
the pipework. However, should this occur, remove this
debris, otherwise the fans may be damaged.
Install the air ducts using materials that can be obtained from us
or with commercially available folded spiral-seam tubes.
10.4.1 Insulation against condensation
Material losses
!
When warm air meets cold surfaces, condensation can
result.
f For outdoor air and exhaust air ducts, use vapour
proof thermally insulated pipes.
f If the supply and extract air ducts are routed
through unheated rooms, insulate these ducts as
well.
10.4.2 Connecting air ducts to the appliance
You can connect air ducts with two different diameters to the
appliance.
Diameter DN 160
2
1
1 Twin connector
2 Air duct
f Push one of the twin connectors included in the standard de-
livery into the air connection.
f Push the air duct onto the twin connector.
1
3x
3x
1 Self-tapping screw
14
| VRC-W 400 (E)
All manuals and user guides at all-guides.com
f Use no more than 3 screws to secure the twin connector to
f Secure the air duct to the twin connector with no more than
Diameter DN 180
f Push the air duct over the air connector.
1 Self-tapping screw
f Use no more than 3 screws to secure the air duct to the air
1 Aluminium sealing tape
f Seal the transition from the air connection to the air duct
10.4.3 External wall ducts
Install the outdoor air intake into the building at a location where
contamination (dust, soot, odours, flue gas, exhaust air) is as low
as possible.
When installing external wall ducts, prevent any short circuit be-
tween the air intake and the air discharge.
the air connection of the appliance.
3 screws.
1
3x
connection of the appliance.
1
with aluminium sealing tape.
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