10
Technical Information
Part Number
1862
1864
1866
Range
E
Model
8000
12000
20000
Volts
230V 50Hz
UVC (W)
8W
12W
16W
Total Power (W)
14
20
22
Maximum Pond size without Fish
8000 ltr (1760 gal)
12000 ltr (2640 gal)
20000ltr (4400 gal)
Maximum Pond size with Fish
4000 ltr (880 gal)
6000 ltr (1320 gal)
10000 ltr (2200 gal)
Max recommended Flow, Qmax,
(lph)
2000 lph (440 gal)
2500 lph (550 gph)
4500 lph (9900 gph)
Recommended
Hose Internal
Diameter
Inlet
20-40mm
20-40mm
20-40mm
Outlet
40mm
40mm
40mm
IP Rating
IPX4
IPX4
IPX4
Water Temperature Tmin-Tmax, (°C)
1-35°C
1-35°C
1-35°C
* Measured under controlled conditions
Problem
Possible cause
Remedy
No water flow through
filter to pond.
Supply pump not switched on or not working.
Check that the pump is working and switched
on.
Supply hose blocked.
Check supply hose and pond return hose for
blockages.
Reduced flow through
filter
Foams are blocked.
Clean filter (See “Cleaning”).
Supply hose blocked.
Check supply hose and pond return hose for
blockages.
Water does not clear
New Filter has not matured yet.
The pond water clarity should start to improve
within 2-3 weeks, but full biological maturation
can take 6-8 weeks before the filter is fully
effective.
Wrong sized filter for your pond.
Check you are using the appropriate filter for
your pond set up.
Wrong size supply pump.
Check your flow rate. See 2.2.
Blown UV lamp.
Replace UV lamp.
Old UV lamp.
Replace UV lamp every 12 months.
Lamp not working
Check fuse, RCD and wiring.
Foams need cleaning.
Clean filter (See “Cleaning”).
The outlet of the pond return hose is positioned
above the supply pump
Move the pump or the outlet of the pond return
hose so that they are as far apart as possible.
Pond is overstocked with fish.
Reduce the quantity of fish in your pond.
Overfeeding.
Only feed your fish with as much food as can
be consumed in a few minutes. only feed once
per day.
Troubleshoting / FAQs