Hach Polymetron 9526 Manuel D'utilisation De Base page 12

Figure 3 Installation off-line
Mains connection
The installation of the instrument should be performed exclusively by personnel specialized and authorized to
work on electrical installations, in accordance with relevant local regulations. In addition, and in accordance with
safety standards, it must be possible to disconnect the power supply of the instrument in its immediate vicinity.
Use a three wire mains supply cable (live, neutral and earth) with a cross-section between 0.35 and
2
2 mm (AWG 22 to 14) rated at 105 °C minimum. The external cable insulation should be cut as
close as possible to the terminal block.
The connector for the mains power cable is delivered with the instrument (see
found in the accessory drawer (No. 7 in
Figure 4 Mains power cable connector
1 Live wire
2 Neutral wire
3 Not used
4 Earth wire
12 English
W A R N I N G
Figure 1 on page 8) at the front of the instrument.
5 Female contact with locking nut
6 Rubber gasket
7 Main connector body
8 Clamping ring
Figure 4) and can be
9 Rubber gasket
10 Cable tightening nut