icetro IM-770-AN, Installation & Service Manual

Page: 17 / 36

Float Sensor
Water valve
operation
Physical state
High water level
sensor
Low water level
sensor
0(Close) 0(Close) ON Water tank Empty
0(Close) 1(Open)
The current
operation continues.
The water only fills to the lower
part.
1(Open) 0(Close)
The current
operation continues.
No definition
(Physically impossible)
1(Open) 1(Open) OFF Water tank Full
Water valve operates separately according to the water level sensor
Water tank
Empty
The water
only fills to
the lower part.
Water tank
Full
17
IM-0770
Key Features
Water Level Float Switch