Hach BioTector B3500s User Manual page 54

Figure 9 Mains and 4-20mA terminal diagram for 115 / 230 V systems
All electrical, sample, reagent, drain and exhaust connections should be carried out
in accordance with the technical specifications and drawings given in this manual.
Errors as a result of non-conformity to these specifications will not be covered by the
warranty.
The wiring and earth connections to the analyzer should be carried out in accordance with local regulations,
and securely terminated in the phase, neutral and earth terminals in the BioTector. Cable glands must be
used to secure the cables when necessary.
Page 54