31
Figure6-5 Water level sensor interface define
Terminal
（
SENSOR
）
connector pin
Detail
pin1
Dry protection pin, Connected black cable.
pin2
Overflow protection pin, Connected white cable.
pin3
Dry protection and Overflow protection common pin,
Connected green cable.
6.7.2 Water level sensor connection
Two kinds of water level sensor you can select are shown below:
Sensor
A
Sensor
B
Figure6-6 Water level sensor
Note
！
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
”
.
