Miele PDR 522 G Plan D'installation page 4

en - Installation notes
The communication module is intended exclusively for commercial use and is supplied
with voltage directly via the Miele Professional machine. No additional power connection
is required. The Ethernet interface provided via the communication module complies with
SELV (safety extra low voltage) requirements in accordance with EN 60950. Connected
external machines must also comply with SELV.
Supply air, exhaust, and ventilation cross-sections
Supply air/exhaust air
The tumble dryer may only be operated when the ducting has been connected properly and
the room is sufficiently ventilated.
Calculating the total length and diameter of a supply-air or exhaust pipe
The length of the required ductwork and the number and shape of the elbows are deter-
mined by the structural conditions on-site. In order to maximize the airflow efficiency, the
pipeline should be as short as possible and contain few or minimal elbows.
 The exhaust ducting must not be made from flammable materials.
Otherwise there is a risk of fire.
Use only non-flammable materials for the exhaust ducting. All local regulations for metal-
lic ducting must be observed. Plastic must not be used for ventilation.
In upward exhaust ducting systems, a condensate drain must be fitted to the bottom. The
condensate must be drained via a water collection tray or a floor drain positioned in an ap-
propriate location.
If air is being directed from multiple appliances into a combined line (exceptional circum-
stances), a non-return device (non-return flap) must be installed in each separate line to
prevent backflow.
To make subsequent cleaning of the pipes easier, cleaning flaps should be fitted to elbows
wherever possible.
The on-site exhaust ducting and venting to the outdoors must be regularly checked for lint
deposits and cleaned if necessary.
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