8 | Maintenance and servicing
OPM BWT PERMAQ® Pico Rev. 2.0 EN
EN
42
4) Count the drops until the colour changes from red to green. Each counted drop (measured
value) is equivalent to 1
°fH degree of water hardness (1
°fH ≈ 0.561
°dH).
8.7 Changing the antiscalant dosing container
If you have installed an optional antiscalant dosing system, you must change the dosing con-
tainer if the error message
A3 Refill Antiscalant
is displayed; at the latest, you must
change it if the malfunction alert
A2 Antiscalant empty
is displayed.
To change the dosing container, proceed as follows:
1) Unscrew and remove the dosing container.
2) Insert the new dosing container and screw it tightly into the holder.
3) Acknowledge the alarm by pressing the
OK button
.
4) Select the
Operation/interval
state and press the
OK button
to start the device.
