Hach FL1500 - Startup; Supply power; User interface and navigation; Keypad description

Figure 10 Relay connections
Table 5 Relay wiring information
Connection Signal
NO Normally open
COM Common
NC Normally closed
Startup
Supply power
Connect the AC power plug to an electrical outlet to supply power to the instrument. If hard-wired
with conduit, use the switch at the local disconnect to supply power. For DC-powered instruments,
use the switch at the local disconnect to supply power.
User interface and navigation
Keypad description
Figure 11 shows the instrument keypad.
20
English