DE
DE
17
16
9�2
Maintenance
DANGER!
Electrical hazard!
Contact with live components will
cause electric shock!
►
Unplug device before any service and
repair works.
►
Turn the main switch OFF and secure it
against being switched on again.
The BWT after-sales service staff or an installer
authorised by BWT must carry out the following
maintenance work regularly�
We recommend that you enter into a maintenance
agreement with your installer or the after-sales
service team.
Clean the emitter casing tube + sensors
for the following substance concentrations in the
drinking water:
Fe+Mn < 0,05 mg/l
one every year
Mn+Fe < 0,1 mg/l
every 6 month
Mn + Fe < 0,2 mg/l
every 3 months
Mn+Fe > 0,2 mg/l
one every month
Replace wear parts
Filter pads
every 6 months
Emitters 70W + 200 W
every 10000 h
Emitters 80 W + 100 W
every 8000 h
O-ring blue protective cap
every 8000 h
Single/multi-emitter O-ring
every 8000 h
Emitter casing tube
every 8000 h
Support ring
every 8000 h
Starter (only 80 W emitter)
every 10000 starts
Functional tests
● Check connection line and housing for damage
● Check the wiring
● Check the PE conductor connections
●
Measure current consumption of entire unit
●
Measure the voltage
● Functional test of the control unit, flow monitor,
pressure switch and solenoid valves
In Germany only:
According to BVG A2 (VBG4), the unit must be
tested for electrical safety every 4 years.
10 Troubleshooting
Fault
Possible source of the fault
Steps to resolve the fault
There ist water in the emitter
casing tubes.
If the blue protective cap is not
properly attached, condensation
may form when the device is in
operation.
Check the installation of the emit
-
ter casing tubes and the seals.
Check the fit of the blue protec
-
tive cap and change the O-ring
if necessary.
The emitter is defective.
Check or change the emitter.
The ballast in the switchbox is
too hot.
Insufficient air circulation in the
switchbox.
Retrofit the switchbox fan.
The ambient temperature is too
high.
