Evolution Aqua nexus eazy 200 Installation & Operating Instructions Manual page 12

Pump Procedure
1) Close inlet valve.
2) Close off the feed to the biological chamber
by inserting the Isolation pipe into the centre of the "Eazy",
ensuring that the rubber flange engages
within the Nexus centre spigot.
3) Re-open inlet valve until the water level within the Nexus central chamber is
level with the overflow, close inlet valve. It is essential that this water level is
maintained to allow efficient cleaning.
4) Switch off the pond pump.
5) Open the air valve until the Kaldnes in the "Eazy" is boiling.
6) After the "Eazy" has been boiling for a minimum of one minute, open the
Nexus central chamber waste valve.
7) Once central chamber has drained, close waste valve.
8) Close the air valve.
9) Open inlet valve.
10) Remove the Isolation pipe from the centre of the "Eazy".
11) Restart the pond pump.