8 | Maintenance and servicing
OPM BWT PERMAQ® Pico Rev. 2.0 EN
EN
36
8 Maintenance and servicing
8.1 Performing maintenance work
Maintenance and repair work must be performed only by authorised and qualified specialist
personnel.
ü
To ensure optimum hygiene safety, trouble-free function and the reliable long-term opera-
tion of your device, we recommend concluding a service agreement tailored to your re-
quirements with BWT.
1) Perform all the required maintenance work as defined by the
36].
2) Document your maintenance work in the supplied service inspection book.
Only original spare parts from BWT can ensure that your device functions without any issues.
Maintenance work
Responsible
Interval
General visual inspection
Customer
Weekly
Leak-tightness inspection
Customer
Weekly
Cleaning with a damp cloth
Customer
As necessary
Feed water quality (with water hardness test DUR-
OTEST® set)
Customer
Weekly,
as required
Conductivity (comparative measurement with manual
measuring device)
Service
At least once per
year
Disinfection of RO module
Customer/ser-
vice team
As necessary
Chemical cleaning of RO module
Customer/ser-
vice team
As necessary
Replacement of RO module
Service
As necessary
Check of pressure switches, solenoid valves
Service
At least once per
year
Check of float switches for level
Service
At least once per
year
Replacement of connections/pressure hoses
Service
Every five years
Backup battery (type CR 2032)
Customer/ser-
vice team
As necessary
Replacement of the pre-filter
Customer/ser-
vice team
At least four
times per year, as
necessary
Table
5: Maintenance work
8.2 Replacing the pre-filter
Depending on the customer-specific requirements, the pre-filter should be changed periodic-
ally, and at least every three months.
Once inserted, filter elements must not be reused.
To replace the pre-filter, proceed as follows:
1) Open the device door.
2) Switch off the device at the
main switch
.
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Wait for two to three minutes until the pressure is released.
