Hach FL1500, User Manual

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Figure 8 AC power connections
Table 1 AC wiring information (AC models only)
Connection Color—North America Color—EU, UK, AU
Hot (L) Black Brown
Neutral (N) White Blue
Protective earth ground (G) Green Green with yellow stripe
Connect a backup battery
W A R N I N G
Explosion and fire hazard. Battery substitution is not permitted. Use only batteries that are supplied by
the instrument manufacturer.
Connect a backup battery to AC units to keep a supply of power to the instrument during a power
outage. Refer to
Accessories on page 43. The external AC power charges the backup battery. If
the AC power stops, the backup battery supplies power to the instrument.
For safety, obey all battery precautions and warnings. Discard the battery in accordance with local,
regional and national regulations.
14 English