STIEBEL ELTRON WWK 221 electronic Bedienung Und Installation Seite 60

INsTALLATIoN
Installation
Air duct connection
Note
Connect the appliance and the air duct system using a
flexible method, e.g. a flexible ventilation pipe, to reduce
noise and vibrations.
f Connect a flexible 500 cm hose to the air duct. f
Note
The installation of a thermally insulated air hose is de-
scribed as an example.
1
2
1 Air connector
2 Internal hose
3 External hose
f Pull the internal hose of the air hose slightly out of the exter- f
nal hose and thermal insulation.
f Invert the internal hose halfway down the connector. f
60 | WWK 221-301 electronic
f Seal the transition from the internal hose to the connector f
with self-adhesive thermal insulation tape.
f Pull the external hose and the thermal insulation below it f
over the connector.
f Tuck the thermal insulation into the outer hose in such a way f
that the thermal insulation is no longer visible.
3
f Seal the transition from the external hose to the connector f
with self-adhesive thermal insulation tape.
f Secure the external hose with the hose clip to the connector. f
f The air hose tends to sag because of its flexibility. Secure it f
at intervals of approx. 1 m.
f Insulate the air duct and all connections in line with insula- f
tion standards if used for waste heat or outside air to prevent
condensation on these components.
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