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7.2 Filling with water
a. To open the respiratory air humidier, grip the lower recess on the
rear of the housing and press the rear of the housing gently with
your thumb.
b. Remove the top of the humidier.
c. If present: Pour out the water in the base of the humidier.
d. Fill the base of the humidier with fresh, cold water up to the
mark (max. 400 ml): Only use water with a low lime content or
distilled water.
e. Place the top of the humidier on the base of the humidier from
the back and press it on gently until it clicks into place.
7. Accessories: prismaAQUA respiratory air humidier
The prismaAQUA respiratory air humidier is used in combination with the therapy device in cases of dry upper airways and when the respiratory air is perceived as too
cold. prismaAQUA may only be used on the recommendation of a physician.
7.1 Preparation prior to rst use
Remove the protective transport paper and clean the respiratory air humidier as described under "7.6 Cleaning" on page 22.
a. + b.
d. e.