39Mounting and installation work
5.5.3 Inspecting the water installation
Check the following topics:
– Water supply
Has lter valve (accessory "Z261") or shut-off valve and 5 µm water lter respectively been
installed in supply line?
Have admissible water pressure (1 – 10 bar) and admissible temperature (1 – 40 °C) been ob-
served?
Does the supply capacity match the steam generator and is the minimum internal diameter of
8 mm of the supply pipe maintained throughout the entire length?
Are all components and pipes properly secured and are all threaded connections securely tight-
ened?
Is the water system properly sealed?
Does the water supply installation meet the requirements of the local regulations for water instal-
lations?
– Water drain
Is the minimum inside diameter of the drain pipe of 30 mm maintained throughout the entire
length?
Has drain pipe been installed with a downslope of at least 10 %?
Has the heat resistance of the material used been veried to be at least 100 °C?
Is the drain hose properly secured (hose clamps at unit connection tightened)?
Is there an air gap (min 2 cm) between the open end of the drain line and the funnel?
Does the water drain installation meet the requirements of the local regulations for water instal-
lations?
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