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Setting of the switch point
The switch point is preset at the factory (LED 7). The setting influ-
ences the reaction time of the unit.
• High switch point = fast reaction in the case of flow decrease.
• Low switch point = fast reaction in the case of flow increase.
M
S
1
1 x
M
S
>5 s
2
M
S
3
*Decrease the switch point: Let the flashing and lit LEDs move to the
maximum setting value. Then the cycle starts again at the minimum setting
value.
**Overflow: If the flashing LED and the lit LED exceed the maximum setting
value, the cycle starts again at the minimum setting value.
32
LO
LO
LO
LO
Press the Mode/Enter button
HI
briefly. The current switch point is
indicated:
LED lit: coarse setting, LED
flashes: fine setting.
Press the Learn/Set button and
HI
keep it pressed.
After 5 s the switch point is
increased* (incremental by
pressing briefly or scrolling by
holding pressed).
HI
Indication:
The flashing LED moves from left
to right. After LED 9 has been
reached the cycle starts again at
LED 0. The LED which is constantly
lit moves on by one position.**
Press the Mode/Enter button
briefly (acknowledgement).
HI
The indication goes off briefly.
The set switch point becomes
effective; the unit passes into the
operating mode.
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