Xylem Flygt ENM 10, Installation, Operation And Maintenace Manual

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Product Description
Overview
The simplest possible method for level control! A mechanical switch in a plastic casing,
freely suspended at the desired height from its own cable. When the liquid level reaches
the regulator, the casing will tilt and the mechanical switch will close or break the circuit,
thereby starting or stopping a pump or actuating an alarm device. No wear, no
maintenance! In sewage pumping stations, for ground water and drainage pumping — in
fact, for most level control applications — the ENM-10 is the ideal solution.
The regulator casing is made of polypropylene and the cable is sheathed with a special
PVC or Nitrile/PVC rubber compound. The plastic components are welded and screwed
together. Adhesive is never used. Impurities and deposits will not adhere to the smooth
casing.
The version for Ex-applications has a black casing, made conductive by adding carbon to
the polypropylene.
The level regulator contains a micro switch, max rated 250 VAC/10 A.
NOTICE:
In many cases, local codes require that the regulator be connected to a low-voltage
supply, even though it is approved for a higher voltage.
Xylem recommends that the regulator be connected to a low-voltage supply, 48 or 24 V,
and a protective transformer.
Special rules apply to installation in an explosive atmosphere. Intrinsically safe circuits are
normally required (Ex i). Use a EX-safety barrier (e.g. Prod. no. 84 01 07).
The ENM-10 is available in different versions for different liquid densities.
As standard, the regulator can be obtained with 6, 13, 20, 30 or 50 metres (20, 42, 65, 100
or 167 feet) of cable for liquids with specific density between 0.95 and 1.10 g/cm3; for
other specific densities.
For the Ex-version, the regulator is only available with 20 metres (65 ft) of Nitrile/PVC
rubber cable.
The regulator can withstand up to 60°C (140°F).
The guarantee does not cover faults caused by deficient maintenance, improper
installation, incorrectly executed repair work or normal wear and tear.
Xylem assumes no liability for either bodily injuries, material damages or economic losses.
Product coverage
This manual cover the standard version “Blue casing” of ENM-10.
Product coverage
This manual cover the EX-version “Black casing” of ENM-10.
Product Description
8 Flygt ENM 10 Level regulator Installation, Operation and Maintenace Manual