Operator's manual Owner's manual
15
Gas sampling and conditioning technology 5-5.1.1-ME
NOTE!
If the the old sensor LA 1, LA 25 or LA 1-H is connected the same way as
the new sensor LA 1S, the function of the electronic is inverted: no liquid =
alarm, liquid = o.K.
NOTE!
If a new sensor LA 1S is connected the same way as the old sensor LA 1,
LA 25 or LA 1-H no line break control is existing.
The voltage supply takes place on terminals 1 = L, 2 = N and 3 = PE.
The alarm is to be connected to terminals 11, 21 = centre contact, 12, 22 = alarm and 14, 24 =
o.k..
Figure 5 Electrical connection and dimensions LA-1.1