Kessel Aqualift F XL Installation And Operating Instructions Manual page 29

Emptying the system with a separate pump
Connect a suitable pump with hose (1) to the installed
service access adapter (2) of the ventilation pipe and
pump the system empty.
Visual inspection
System installation complies with the above-mentioned
standard and manufacturer's specifications (as far as can
be seen).
Fault message pending?
Function given?
Isolate the system (disconnect the mains plug)!
Visual check pressure hose.
Laying of the pressure hose with continual upward gradi-
ent.
Check pressure hose connection.
Check the clamping ring and screw attachment for a cor-
rect fit.
Maintenance tasks
Remove the immersion pipe and clean it.
Remove the pump and clean the tank.
Check all the system components for completeness, a
firm fit, sound condition and tightness.
Check the shut-off valve.
The shut-off valve(s) must be able to be operated easily
and smoothly.
If present, close the shut-off valve in the pressure pipe.
Empty the pressure pipe, to do this move the ventila-
tion device slowly to the OPEN position.
The water runs out of the pressure pipe into the sys-
tem tank.
Move the ventilation device back to the CLOSED posi-
tion.
Check the backflow preventer.
010-695_02 Pumping station / Installation and operating instructions 29 / 88