5. Matching the sensor to the selected T-piece
12
here with label for T-piece QL 18-18-18
= LED lit in green
Apply the operating voltage.
All LED's light and go off one
after the other.
The two LED's on the right are
lit in green (= unit is in the
programming pipe size mode).
The green LED's 1 to 3 indicate the
pipe size.
1
GN
GN
GN
GN
GN
GN
GN
GN
GN
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
GN
GN
GN
GN
GN
GN
GN
GN
GN
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Press briefly before the LED's
go out.
2
GN
GN
GN
QL22 QL28
QL18
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Press several times until the
selected pipe size is indicated.
3
GN
GN
GN
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
4
Press briefly
(= acknowledgement).
All LED's light and go off one
after the other.
Unit is then ready for operation.
GN