PUMP FED INSTALLATION INSTRUCTIONS
INSTALLATION EQUIPMENT REQUIRED
1. Pond Pump, with an actual flow rate that delivers to the filter a maximum of
10,000 litres / hour or the entire volume of water in the pond, every 2 to 3 hours,
whichever is the greater.
2. Air Pump. See Air Pump Recommendation on page 3.
3. A valve should be fitted before the Nexus so that the unit can be cleaned as per the
cleaning instructions on page 14.
4. It is highly recommended that a suitably sized UV unit is installed with the Nexus for
removal of single cell algae. UV systems are always installed after the pump.
Evolution Aqua recommend an evoUV.
NEXUS 220 PUMP FED INSTALLATION
Your Nexus 220 has been supplied to you ready for you to set up for Pump fed operation.
Pump Fed Installation Steps:
1. Attach the Hosetail assembly (Figure 7.1) to the EazyConnector on the Nexus Inlet (A).
2. Connect the hose / pipework from your pump to the hosetail (G), cutting down the hose
tail to fit the correct hose, we recommend using 1½” hose.
3. Connect your 4” return pipework to the EazyConnector on the Exit (B).
4. Pour the 50L K1 Media bag into the outer chamber (C) of the Nexus.
5. Connect your air pump to the Nexus air inlet (E).
6. Connect the waste valves (F) to your waste outlet as described on the next page.
11
For the first few days to one
week of operation, both the K1
Media and K1 Micro will tend
to float. This is perfectly normal
and will operate normally as it
begins to mature.
E
D
A
G
F
B
C
Figure 7.
Figure 7.1. Hosetail assembly
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