BWT Multipur AP Instructions De Montage page 16

Maintenance Maintenance Maintenance
Maintenance Maintenance
All technical equipment requires regular
GB GB GB GB
GB
maintenance. This should always be undertaken
by specialist staff who will also replace worn parts.
We advise you to conclude a maintenance
contract. Maintenance must be performed once
each year, and twice each year for municipal
systems, by a plumber or the manufacturer.
T T T T T roub roub roubleshooting roub leshooting leshooting leshooting
roub leshooting
Fault Fault Fault Fault Fault
Water pressure dropped con-
siderably in network
Flushing water outlet does not
close
Display shows: ERR
If the fault cannot be remedied by following these tips, contact our after-sales service department. If the fault cannot be remedied by following these tips, contact our after-sales service department.
If the fault cannot be remedied by following these tips, contact our after-sales service department. If the fault cannot be remedied by following these tips, contact our after-sales service department. If the fault cannot be remedied by following these tips, contact our after-sales service department.
Pressure loss curve Pressure loss curve Pressure loss curve
Pressure loss curve Pressure loss curve
bar bar
bar bar bar
1,0 1,0 1,0 1,0 1,0
0,8 0,8 0,8 0,8 0,8
0,6 0,6
0,6 0,6 0,6
0,4 0,4 0,4 0,4 0,4
0,2 0,2
0,2 0,2 0,2
0 0 0 0 0
16 16
16 16 16
Cause Cause
Cause Cause Cause
Dirty filter element
Backwash element does not
reach the end position due to
large particles of dirt
ERR ERR ERR ERR
Pressure to less
0 0 0 0 0 20 20
20 20 20
W W W W W arr arr arranty arr anty anty anty
arr anty
In the event of a malfunction during the warranty
period, please contact our after-sales service
department, stating the type of unit and the product
number (PNR) (see the technical data or the type
plate on the unit).
Multipur DN 65 Multipur DN 65 Multipur DN 65 Multipur DN 65 Multipur DN 65
40 40 60 60
40 40 40 60 60 60
Action Action Action Action Action
Carry out backwash
Repeat backwash several
times
Repeat backwash several
times. Increase pressure
Multipur DN 80 Multipur DN 80 Multipur DN 80 Multipur DN 80 Multipur DN 80
80 80 m m m m m 3 3 3 3 3 /h /h /h /h /h
80 80 80