Elgama EPQS, Руководство пользователя

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The meter has its own backup power supply that provides power to the internal clock should the main
electrical network fail. The backup supply consists of a standard 3.6 V Li-Ion battery. If a
–
Battery low -
message appears on the display, the battery must be replaced.
Only the manufacturer or its authorised representative may replace the battery!
The power and auxiliary terminal block is located on the bottom of the meter. All connections having
been completed and checked, the terminal block shall be covered with sealed cover.
2.2. General Requirements and Installation Procedure
1. Only personnel authorised by the Electric Utility can carry out the meter installation,
disconnection, repair, any subsequent parameterisation, and sealing; the rules of installation
of electrical devises must be observed. The manufacturer shall not be held liable for the meter
malfunction should the user fail to adhere to the relevant requirements.
2. The meter is installed in dry premises containing no chemically aggressive gases or vapour.
3. The meter is fixed with three screws. The meter overall dimensions and distances between the
mounting holes are shown in picture 2-2.
4. The meters are connected according to the scheme shown on the cover of the meter terminal
box diagrams. Picture 2-4 shows the general connection of EPQS meters through current and
voltage transformers.
5. Regular verification of the meter shall be carried once in eight years.
6. Only natural or legal persons authorised by the manufacturer can repair the meter.
Picture 2-2. The Overall Dimensions and Mounting Holes of EPQS Meter