Hach POLYMETRON 8544, User Manual

Page: 11 / 34

Figure 6 Power cord or conduit connection
1 Contact insert. 3 Protective earth ground (G)
terminal 5 Seal
2 Hot or phase (L) terminal 4 Neutral (N) terminal 6 Union nut
Table 4 Wiring information—AC power
Terminal Description Color–North America Color–EU
L Hot or phase Black Brown
N Neutral White Blue
G Protective earth ground Green Yellow with green stripe
Connect the chemical system
Connect the instrument to power with conduit or a power cord. Refer to Wiring for power on page 9.
Make connections at the same terminals, regardless of the type of wire used. Put each wire into the
applicable terminal until the insulation is flush against the connector with no bare wire seen. Pull
lightly after insertion to make sure that there is a tight connection.
1. Complete the steps shown in Figure 7 .
2. Connect the live (L), neutral (N), and ground (G) wires to the electrovalve connector as shown in
Figure 6 on page 11 and Table 4 on page 11.
3. Close the device door.
English 11