Xylem WA600 WATER LEVEL ALARM SENSOR - Manual (Page 4)

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III. Water Alarm Sensor Installation
a. Water Alarm Sensor specifications.
Output: Contact Closure (Green and White wires)
Operating Voltage: 10-36VDC
Operating Temperature: -40° to +55°C
Size of Probe: 1" diameter x 5" long
Weight: 1/2 lb.
b. Position the Water Alarm Sensor’s exposed metal pins at the level
where the sensor should alarm.
c. Do not install the WA600 in applications that contain solvents.
Over time, many solvents can deteriorate the cable.
d. The Water Alarm Sensor is a four-wire sensor. Connect the black wire
to ground. The green and white wires form two halves of a circuit.
When water bridges the pins on the end of the sensor it completes the
circuit, acting as a switch. The red wire is positive voltage. Warning:
Always connect the sensor with the power turned off.
IV. Maintenance
a. The sensor must be cleaned periodically. The suggested cleaning rate
depends on the installation area and how often it contacts the water.
In dirty areas the sensor should be cleaned monthly. In a clean area
they can be cleaned yearly. The sensor can be cleaned using water
and liquid dish soap. A small amount of bleach can be added if there
appears to be algae growth. Metal contact pins should be cleaned
with a bristle brush, soap, and water.