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Note！
Above three input signal of water level sensors is passive signals, which is
matching opening or closing signal of the corresponding water level sensors.
6.6.2 Water level sensor connection
Two kinds of water level sensor you can select as shown below:
Sensor A Sensor B
Figure6-6 Water level sensor
Notice
！
If you select overflow protection water level sensor, you need to set the value of
“OF-F”, the LCD menu ”Settings” "Para Set" "OF-F" to modify to “ON”.
The setting method with reference to“
8.3.4.3 Key Parameters of the
System Set
”.
If you selected water level sensor A, then water sensor installation method is
shown below:
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