6.3 Adjust the flow sensor switching point
Sample water may escape.
1.
Adjust the flow to 50 l/h using the ball valve
2.
Hold the flow sensor in place and loosen the mounting clip a
little
3.
Press the float to 40 l/h using the flow sensor
ð
The error message should disappear.
4.
Hold the flow sensor in this position and tighten the mounting
clip
5.
Then re-adjust the flow required using the ball valve
6.
Acknowledge any error message that occurs
7.
Reset any possible consequences of this in the overall instal‐
lation
8.
Check the threaded connector for leak-tightness
6.4 Priming
You can prime the pH correction fluid or the oxidant, for example,
during commissioning or after replacing a storage tank.
priming acid
press -key
control stop!
priming oxide
press -key
control stop!
or
A1814
*
pump off
*
pump off
Fig. 7: Priming
1.
To prime the pH correction fluid or the oxidant, press
[Menu]
twice to move to the
[priming acid] setting menu, or press
[Menu] three times to move to the [priming oxide] setting
menu.
2.
Press the UP key.
ð
The control variable jumps to 100% and the pump pumps
for approx. 30 seconds. This also applies in the event
that the
[Start/Stop] key is enabled or that metering is
switched off due to a fault message.
3.
Press the UP key again.
ð
With each re-priming, the pump primes for
approx. 30 seconds.
4.
Press
[CAL/ESC].
ð
You are now in continuous display 1.
5.
Press
[Start/Stop].
ð
The control process starts
The flow sensor should switch when
the flow falls (flow sensor is con‐
nected as an NC).
Stopping priming
Re-starting control:
Start up
22
