Preparing For Maintenance Work; Maintenance Jobs; Replace Battery; Cleaning The Lifting Station - Kessel Aqualift F Basic Instructions For Installation, Operation And Maintenance

5.3

Preparing for maintenance work

– Make sure that the inlet to the lifting station is not used during maintenance.
– Make sure that the lifting station cannot be switched on accidentally during maintenance work. This applies in
particular if the control unit is in a different room to the system tank.
5.4

Maintenance jobs

5.4.1 Replace battery

• Perform the work described in 5.1
• Open the housing cover of the control unit and replace the battery
Screw down the control unit's housing cover, make a potential-free connection if necessary and perform a
•
functional check (see 3.7.2)
• Change the battery once a year

5.4.2 Cleaning the lifting station

• Lower the wastewater level in the system tank to a minimum. To
do so, run the wastewater pump in manual operation (see Chapter
4.6) until the pump draws in air.
• Bring the ventilation device <25A> on the backwater preventer
<25> into a horizontal position (as shown), the dammed up
wastewater can flow back from the pressure pipe into the system
tank
Maintenance
52 / 180
25
Ill. [18]
25A
2017/11