22 A100C - BS Single Phase Electronic Meter
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16.5 Fixing and Connection
WARNING
Installation must always be carried out by appropriately trained and qualified personnel in
accordance with normal metering custom and practice.
The installer is responsible for the choice of connecting cables that must be appropriate for
the voltage and current rating of the meter and for ensuring that the supply is properly
fused. It is recommended that meters are protected by fuses equal to the meter rating. i.e.
100A fuse for a 100A meter. Failure to do so may result in damage or fire.
Isolate all circuits before carrying out the installation.
Refer to the nameplate to ensure that the correct meter is being installed.
Refer to the connection diagram inside the terminal cover.
Failure to comply with these instructions may result in damage and/or electric shock.
To mount the meter on the meter board
Remove the meter terminal cover.
Fix a 5mm dia. x 13mm long round headed wood screw into the meter board to
accommodate the keyhole fixing aperture at the back of the meter. Leave the shank of the
screw projecting from the board by 4.5 mm.
Hang the meter on the screw and align it to be vertical.
Secure the lower end of the meter to the board using two 5mm dia.x 13mm long round
head screws through the lower mounting holes in the area of the terminal chamber.
Tighten screws just sufficiently to prevent movement of the meter.
WARNING
Do not over-tighten the screws or the meter base may be damaged.
For connecting to the large diameter terminals, strip back the cable insulation by 26mm .
Fully insert cables into the terminals so that the insulation butts up into the counter-bored
recesses in the bottom face of the terminal block.
Tighten the M6 terminal screws to a torque of between 2.2N m minimum, 2.8N m
maximum.
Connections to rate select and/or pulsing output terminals should be completed with
appropriately sized cable. The M3 terminal screw should be tightened to a maximum
torque of 0.45N m.
© Elster Metering Limited - M130 300 2C - 5.2007
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