Hach SC4500 Basic User Manual page 17

Refer to Figure 9 and
appropriate terminal until the insulation is seated against the connector with no bare wire exposed.
Tug gently after insertion to make sure that there is a secure connection. If necessary, remove the
connector from the PCBA for easier wiring of the terminals.
Note: Make sure that all of the cables stay below the cable limit line printed on the PCBA to prevent interferences
with the high-voltage barrier. Refer to
Figure 9 Connect conduit or a power cord
1 AC and DC power terminal
2 Cables limit: do not put cables above the line.
Terminal
L
N
Protective earth ground
Terminal
L
N 24 VDC return
Protective earth ground
Table 2 or Table 3 to connect conduit or a power cord. Insert each wire into the
Figure 9.
Table 2 Wiring information—AC power
Description
Hot (Line 1)
Neutral (N)
Table 3 Wiring information—DC power
Description
+24 VDC
3 Protective earth ground
4 Conduit hub (or strain relief fitting for power cord)
Color—North America
Black
White
Green
Color—North America
Red
Black
Green
Color—EU
Brown
Blue
Green with yellow stripe
Color—EU
Red
Black
Green with yellow stripe
English 17