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®
2007
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We recommend that the connecting wire which is used to connect the meter to
the outside circuit should be sized according to local codes and regulations for
the ampacity of the circuit breaker or over current device used in the circuit.
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An external switch or a circuit-breaker should be installed on the inlet wire,
which will be used as a disconnection device for the meter. And there it is
recommended that the switch or circuit-breaker is near the meter so that it is
more convenience for the operator. The switch or circuit-breaker should comply
with the specifications of the buildings electrical design and all local regulations.
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This meter can be installed indoor directly, or in a meter box which is waterproof
outdoor, subject to local codes and regulations.
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To prevent tampering, secure the meter with a padlock or a similar device.
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The meter has to be installed against a wall which is fire resistant.
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The meter has to be installed in a good ventilated and dry place.
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The meter has to be installed in a protection box when placed in dangerous or
dusty environment.
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The meter can be installed and used after being tested and sealed with a letter
press printing.
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The meter can be installed on a 35mm DIN rail or direct on a meter board with
screws.
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The meter should be installed in an available height so that it is easy to read.
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When the meter is installed in an area with frequent surges due to e.q.
thunderstorms, welding machines, inverters etc, protect the meter with Surge
Protection Devices
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After finishing installation, the meter must be sealed to prevent tampering.
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Connection of the wires should be done in accordance with the underneath
connection diagram.
A. Direct series
CAUTION
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Turn off and lock out all power supplying the energy meter and the
equipment to which it is installed before working on it.
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Always use a properly rated voltage sensing device to confirm that power is
off.
WARNING
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Installation should be performed by qualified personnel familiar with
applicable codes and regulations.
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Use isolated tools to install the meter.
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Fuse or thermal cut-off or single-pole circuit breaker can’t be fitted on the
supply line and not the neutral line.