49
2
SYMBOLS AND UNITS USED
The safety notes contained in these operating instructions are labelled with the following symbols:
Notes directly attached to the built-in rotary flange or the water softener, e.g.
/ direction of flow (see fig. 1),
/ rating plate,
/ cleaning information,
must always be observed and kept in a fully legible condition.
In derogation of the International System of Units SI (Système International d’Unités), the following units
are used:
Attention!
This symbol refers to a point which must be observed for reliable operation and safety reasons.
Important!
This symbol indicates practical hints and other useful information.
Warning!
This symbol indicates a dangerous voltage.
Unit:
This symbol designates torques specified by the manufacturer.
Fig. 1: Built-in rotary flange
Unit Conversion
°F °F = °C × 1.8 + 32
bar
1 bar = 10
5
Pa = 0,1 N/mm
2
1" DN 25
1¼" DN 32
°dH 1 °dH = 0.1785 mmol/l alkaline earth ions