Prepare The System For Maintenance, Empty - Kessel Aqualift F Duo Anleitung Für Einbau, Bedienung Und Wartung

7.3.3

Prepare the system for maintenance, empty

- fill with water until pump 1 starts to run. Stop water supply, the pump runs until the „minimum" level is reached.
or
Caution: Risk of material damage! Pump must not run dry.
- Actuate the pump via the control unit (manual control) until the wastewater tank is empty.
Empty the pressure pipe, to do this move the ventilation device (as described below, all the backflow protection
devices) slowly to the OPEN position, the water runs out of the pressure pipe into the wastewater tank.
Fitting made of plastic
Ventilation device OPEN:
Operating level in position <23>.
Ventilation device CLOSED:
Operating level in position <24>.
Make sure that the level <A> in the
wastewater tank is below the pump
flange <33>. If necessary, pump the wastewater tank empty.
See 2.5 for connection of the manual pump.
V 1.0
MAINTENANCE
57/228
A.
B.
[17]
[18]
23
23
A