Hach-Lange FILTRAX eco - Manual (Page 26)

26
Installation
3.5 Connection to process measuring instruments
The filtered sample is pumped through the sample suction tube (in
the sample tube) to the connected process measuring instruments.
The angle bracket enables the sample tube to be attached to a wall
at a distance of approx. 20 cm [7.87 in.] from the process
measuring instrument.
Table 1 Terminal assignment
Terminal number Connection
1 N (230 V AC / 50–60 Hz, Option: 115 V AC)
2 L (230 V AC / 50–60 Hz, Option: 115 V AC)
7 N (sample tube heater)
8 N (suction tube heater)
9 L (sample tube heater)
10 L (suction tube heater)
17/18 Protective conductor for signal line screening
19 Protective conductor for suction tube heater
20 Protective conductor for sample tube heater
21/22 Potential-free fault contact (NO)
23/24 Potential-free warning contact (NO)