Assembly / Installation; General Instructions; Installing The Meter - Diehl Metering CORONA E Instructions De Montage Et D'utilisation

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4.

Assembly / installation

4.1 General instructions

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Thoroughly flush out the pipes before installing the
meter.
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If the water is soiled, fit the strainer in the pipe before
the meter.
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Make sure the meter is installed sufficiently far away
from possible sources of electromagnetic interference
(switches, electric motors, fluorescent lamps, etc.).
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The meter must always be filled full with water.
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The meter must not be under any mechanical stress
when installed in the pipe.
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The meter must be protected against pressure shocks
in the pipe.
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The meter may only be installed in frost-free areas.

4.2 Installing the meter

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Close the stop valves upstream and downstream of the
meter and depressurise the pipeline.
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Remove the spacer or fitted meter (a small amount of
water may escape).
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Remove old seals and clean sealing faces.
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Thinly grease sealing faces (use acid-free grease).
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Fit the newly supplied seals (the seals should not
intrude into the pipeline).
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Install the meter so that the flow direction matches the
arrow direction on the housing.
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Slowly open the stop valves in the flow and return.
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