User Manual

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Siemens Flow switch QVE1902.0.. CM1N1596en
Building Technologies 2017-02-16
Mounting instructions
· A smoothing section of at least 10 x or 5 x the pipe diameter respectively must
be planned prior to and after intended location.
· First, clean the pipe system where the flow switch is installed and remove any
magnetic particles, e.g. wielding residue.
· Do not use grease or oils to seal the flow switch or its piping.
· horizontal, at a maximum angle of 45°, as well as
· vertical
See illustration below
· Ensure when mounting that the arrow points parallel to the pipe axis and
indicates the direction of flow.
· Install the section of piping for the flow switch the same as a valve in the existing
piping.
Installation notes
· Comply with all local regulations on electrical systems.
· Only qualified personnel may do the electrical installation.
· Always de-energize the system before connecting the wires of the mains cable.
· The connecting cable to relieve tension has a reserve loop so that there is
sufficient "play (cable)" when making fine adjustments to the switching unit.
Orientation