Medisana AH 661 Mode D'emploi page 24

4 Miscellaneous
GB
4.2 When using hard water, or water with a high mineral content, the device
De- must be regularly descaled. Please use only citric acid for descaling (pow-
scaling der preparation from the chemist). (No liquid descaler! No descaling tab-
lets! No vinegar!).
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4.3
This product must not be disposed together with the domestic waste.
Dispo-
All users are obliged to hand in all electrical or electronic devices, regard-
sal
less of whether or not they contain toxic substances, at a municipal or
commercial collection point so that they can be disposed of in an environ-
mentally acceptable manner.
Consult your municipal authority or your dealer for information about dis-
posal.
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Empty out the device completely (tank and lower section). Ensure that
no liquid runs into the air outlet of the lower section.
Place 1 tablespoon (approx. 25g) of pure citric acid in the tank and fill
up with 500 ml of water at 60 °C. Screw the tank shut and gently shake
until the citric acid powder has dissolved.
Place the tank on the lower section. DO NOT SWITCH ON THE DE-
VICE!
Allow the descaling solution to cool in the tank/device (at least 3 hours).
Remove the tank from the device and, with a suitable brush (bottle
brush or similar), scrub the interior and the mist chamber. Empty the
contents of the tank and rinse well.
Empty the lower section. Make sure no liquid gets into the air outlet.
Rub off persistent lime scale using a brush, a cloth or cotton buds. Take
care around the ultrasonic transducer!
Rinse the lower section well (Ensure that no liquid runs into the air
outlet of the lower section).