Hach 8520600 User Instructions page 11

Figure 5 High-voltage relay
1 Length of the removed cable jacket
2 TB2, C (common)
3 TB2, NO (normally open)
C
Connects to VAC mains
phase
Table 2 TB2 terminal block description
NO
When enabled, the ball valve connects
the pressurized sample line to the
sampler.
4 TB2, NC (normally closed)
5 Cable tie
6 High-voltage cable to junction box
When enabled, the ball valve
connects the sampler to the drain line.
NC
English 11