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7.5
Automatic level control
When water level is rising not fast enough and needed to pump
liquid several times in day or hour its possible to use automatic
level control switches (1,2,3)
Cable with red marking (1) is Maximum level, cable with blue
marking is Minimum level, but cable in green marking (3) is
grounding.
Installing sensors important is sensor 3 is always under water
and under minimum level.
WARNING
When automatic level control are used the pump unit may start automatically. Therefore
always switch off the power when working on the pump unit
18
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