EN
Compressor set for air bubbling
Art. no. 28048
EN: Installation instructions
NOTE
Note and follow the documentation enclosed with the system
and control unit.
The minimum length of the compressor hose is 1 metre (may
not be shorter).
Prepare the system
Stop wastewater feed to the system.
Pump away residual water manually.
Read off and note the displayed empty level on the display
(mm).
Connect the compressor set
Cut through the compressed air hose as close as possible to
the immersion pipe or submersible pressure switch.
Insert the T-piece into the pressure hose.
Connect the compressed air hose to the small compressor.
Fix the compressor near the control unit.
Plug in the mains plug of the compressor set.
✓
The compressor starts automatically, air bubbling changes
the displayed empty level.
Adjust the configuration of the control unit
Note the changed empty level, determine the difference.
In the menu
|Settings - Sensor configuration|
Select the setting
|Pressure Air compres-
sor|
and confirm. If applicable, take into consideration any
optional alarm float that has been retrofitted.
In the menu
|Parameter - Air compressor offset
|
enter the difference amount and confirm (PW: 1000). For
further information, see menu texts in the control unit instruc-
tions.
Immerse in the water vessel to check whether the immersed
depth corresponds to the level displayed on the control unit.
If necessary, further adjust the set air bubbling offset until the
values match.
Restore the wastewater feed.
Perform functional test of the system.
CAUTION
If the offset setting is not adjusted, the pneumatic level
measurement is falsified. The switching points (ON
level) of the system no longer function properly.
Maintenance
Clean the air filter (underside of compressor) as part of the
servicing lifting station maintenance work.
010-936EN
2019/10
