Connecting The Meter - Landis+Gyr E230 User Manual

Installation and commissioning
5.4

Connecting the meter

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D000044352 en g – E230 Residential Electricity Meter – ZxR100xC/ZMR100xR – User Manual
Remove preliminary fuses before continuing
The connecting conductors should not be live during the installation of
the meter. Electrically live parts are a life threatening hazard. Preliminary
fuses should be removed and kept in a safe place, where they cannot be
replaced by anyone unnoticed, until all work is complete.
With suitable test equipment, check if the proposed conductors are live.
If they are live, remove the preliminary fuses and keep in a safe place
where no-one can replace unnoticed until after the work is complete.
Connecting the phase conductors
1. Offer the phase conductors up to the meter, measure to desired
length, shorten if necessary and strip back the insulator.
2. Following the External Connection Diagram (ECD), found on the
inside of the terminal cover, connect the conductors to the relevant
phase connections and tighten the terminal screws firmly (maximum
torque 3.0 Nm)
Figure 14. Phase connection diagram
Insufficiently tightened terminal screws at the phase connections can
lead to increased power loss at the terminals and therefore undesirable
heating. A contact resistance of 1 mΩ causes a power loss of 10 W at
100 A.
Connecting the auxiliary inputs and outputs
1. Offer the phase conductors up to the meter, measure to desired
length, shorten if necessary and strip back the insulator.
2. Wires and strands up to 4 mm
3. If a stranded conductor is used, it is recommended to terminate the
end before inserting into the auxiliary connections.
4. Follow the numbering system as shown on the ECD, which is
located on the inside of the terminal cover.
2
can be used.
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