Hach SP-510 - Install the buffer solution; Install the indicator solution

The relay connector accepts 18–12 AWG (0.75–1.0 mm
2
) wire. Select the necessary wire gage that
operates with the application. A wire gauge less than 18 AWG (0.75 mm
2
) is not recommended.
Figure 11 Alarm connections
Table 2 Relay wiring
Terminal block Terminal 1 Terminal 2 Terminal 3
J7 COM Normally open (NO) Normally closed (NC)
Install the buffer solution
Buffer solutions are formulated at the factory and are ready to install without preparation. Put the
bottle in the instrument as shown in Figure 12 on page 15. Refer to Buffer and indicator solution for
the applicable trip point on page 24.
Install the indicator solution
Indicator solutions are formulated at the factory and are ready to install without preparation. Put the
bottle in the instrument as shown in Figure 12. Refer to Buffer and indicator solution for the
applicable trip point on page 24.
Figure 12 Install the buffer and indicator reagents
1 Indicator reagent tube label and bottle 2 Buffer tube label and bottle
English 15