Wiring the Watermark 200SS 2-wire soil
moisture sensor to the Aqua Trac V3.1
Wiring the Watermark 200SS sensor: You can have up to 4 Watermark sensors wired
into this unit. Starting with sensor 1, find the group of 3 terminals with the group label 1.
1.
Connect one Green wire from the Watermark sensor to the terminal marked GND as
shown above.
2.
Connect the other Green wire from the Watermark sensor to the terminal marked SIG
as shown above.
Note: Repeat steps 1-2 for any additional Watermark sensors (WM 2, 3, 4)
Note: You must make sure the jumpers are set correctly for each sensor installed
before turning power on to this unit – see Page 14 for jumper setting information.
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