7.3
Setting the concentration
The concentration is set by means of the
DIP switch S1.
The concentration value is printed on the board
(“0.25 %“, “0.50 %“ etc.).
The desired concentration is set by adding the
individual values.
The following settings are possible:
Concentration:
DIP switching elements
Flow regulator 10 l/min
Flow regulator 14 l/min
1
2
3
4
5
x
0.25 %
ON
x
0.50 %
ON
x
0.75 %
ON
ON
x
1.00 %
ON
x
1.50 %
ON
ON
x
2.00 %
ON
x
2.50 %
ON
ON
x
3.00 %
ON
ON
x
3.50 %
ON
ON
ON
x
4.00 %
ON
x
4.50 %
ON
ON
x
5.00 %
ON
ON
x
NOTICE!
At concentrations of 3.5 - 5 %, the flow regulator must be replaced:
Type10 l/min (Art. no. 415512018) see
‘Replacing the solenoid valve /
the flow regulator with replacement fine filter’ on page 47
If the concentration is subsequently readjusted to the range 0.25 - 3 %,
the flow rate can be increased again, if desired, by replacing the flow
regulator (type 14 l/min, Art. no. 415512021).
The values1.25 %, 1.55 %, 1.75 %, 2.25 %, 2.75 %, 3.25 %, 3.75 %,
4.25 %, 4.75 % and all values > 5 % are inadmissible.
This is signalled by a red front LED.
Starting up
33
MAN049250 Rev. 1-01.2021
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