
11.2 Routine inspection
The following table outlines recommended routine inspections,
which OZONFILT
®
OZVb systems should undergo. Keep a written
record of all maintenance and inspection work undertaken. A tem‐
plate for this record can be found in the Appendix. Keep a logbook
for the system.
OZVb display values
Value
Unit
Remark
Interval
Control variable (ozone)
%
daily
Ozone quantity (generation
rate)
g/h
daily
Gas flow rate
l/h
daily
Cooling water (outlet tem‐
perature)
°C
daily
Control range (ozone)
%
daily
Mains voltage
V
daily
Mains current
A
daily
Primary voltage
V
daily
Primary current
A
daily
Operating hours
h
daily
Operating hours with ozone
h
daily
Power ons
-
daily
Error messages
-
daily
Other parameters
Cooling water flow
l/h
daily
Drying unit pressure
bar
daily
Ozone generator pressure
less than 2.0
bar
daily
Miscellaneous checks
Inspection of the non-return
valves (33) on the ozone
outlet
-
depending on raw water
quality
monthly
Inspection of the filter
mats* in the ozone cabinet
-
depending on ambient
conditions
monthly
CAUTION!
The control electronics can be damaged
* Additional fan filter mats and air outlet filters can
cause the control cabinet to overheat. The control
unit then switches off the system - Error message
‘System temperature too high’ . In the worst case,
overheating could damage components of the
system.
Maintenance
63