Electrical Installation - Hach LDO AQ Manual Del Usuario

Figure 3 Installation options
1 Rail mount
2 Float mount
3 Air blast system mount (not seawater probe
compatible)

Electrical installation

Make sure to energize the sensor with a 12 VDC, 0.25 A, 3 W compliant power supply (Hach item no. 6632500 or
equivalent), or damage to the sensor can occur because of insufficient suppression of electrical surge or
transients.
The sensor cable has five stripped wires and connects directly to the control system sensor input
terminal. Refer to Table 1
Wire color
Brown
Black
Blue
White
Shield (bare stranded wire)
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N O T I C E
to connect the sensor to the control system.
Table 1 Wiring information
4 Chain mount
5 Union mount (not seawater probe compatible)
Description
12 VDC power (+)
12 VDC power (–)
Communication (+)
Communication (–)
Earth ground
English 7