12 - 4PU & 4PS - Wago
5 Installation
Caution!
•
Turn off and if possible lock all sources supplying the energy meter and the equipment that is connected to it
before working on it.
•
Always use a properly rated voltage sensing device to confirm that power is off.
Warning
•
The installation should be performed by qualified personnel familiar with applicable codes and regulations.
•
Use insulated tools to install the device.
•
A fuse, thermal cut-off or single-pole circuit breaker should be fitted on the supply line and not on the neutral line.
•
The connecting wire, connecting the device to the outside circuit, should be sized in accordance with local regulations for
the maximum amount of the current breaker or other overcurrent protection devices used in the circuit.
•
An external switch or a circuit-breaker should be installed on the supply wires, which will be used to disconnect the meter
and the device supplying energy. It is recommended that this switch or circuit-breaker is placed near the meter because
that is more convenient for the operator. The switch or circuit-breaker should comply with the specifications of the
building’s
electrical design and all local regulations.
•
An external fuse or thermal cut-off used as an overcurrent protection device for the meter must be installed on the supply side
wires.
It’s
recommended that this protection device is also placed near the meter for the convenience of the operator. The
overcurrent protection device should comply with the specifications of the
building’s
electrical design and all local
regulations.
•
This meter can be installed indoor, or outdoor enclosed in a meter box which is sufficiently protected, in
accordance with local codes and regulations.
•
To prevent tampering, an enclosure with a lock or a similar device can be used.
•
The meter has to be installed against a fire resistant wall.
•
The meter has to be installed in a well-ventilated and dry place.
•
The meter has to be installed in a protective box if the meter is exposed to dust or other contaminants.
•
The meter can be installed and used after being tested and can be sealed afterwards.
•
The device can be installed on a 35mm DIN rail.
•
The meter should be installed on a location where the meter can be read easily.
•
In case the meter is installed in an area with frequent surges for example due to thunderstorms, welding machines,
inverters etc., the meter is required to be protected with a Surge Protection Device.
•
The device should be sealed immediately after installing it in order to prevent tampering.