Blagdon Midipond 28000 Manuel - Sayfa 8
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Connecting To Your Pump
The pump supplying the Midipond filter must not have a pumping head exceeding 6m - 0.6 Bar.
The maximum flow rate recommended is stated in the filter performance and specification chart.
This flow should not be exceeded.
The ideal flow rate for your pond is to pump the volume of the pond water through the filter every
2-4 hours. To calculate your pond volume: average length (m) x average width (m) x average depth
(m) x 1000 = Litres Pond Volume.
To calculate your pump's flow rate, fill a container from the outlet hose of the filter at the pond side.
Time how long this takes in seconds e.g. a 10 ltr bucket takes 12 seconds to fill. Divide 3600
(the number of seconds in an hour) by the time it takes to fill the bucket e.g. 12 seconds.
Then multiply by the volume of the container. e.g. 10 ltr. Therefore - 3600 ÷ 12 = 300 seconds
300 x 10 ltr = 3000 ltrs per hour flow rate.
To increase flow you may need to get a larger pump. If flow is too high use an inline valve to
reduce it.
The purpose of the pump is to transfer dirty water from the pond to the Midipond filter.
Placing the pump at the opposite end of the pond to the filter will give the best results.
Foam-free pump designs will give optimum Midipond filtration.
UVC Bulbs & Quartz Sleeve Maintenance
The UVC lamp must be replaced yearly. It is recommended that the lamp is replaced and
reconnected in the spring.
The Quartz sleeve can become coated in lime scale build up in hard water areas. This should be
carefully removed from the quartz sleeve with a soft cloth.
Blagdon Pond Pump Cleaner should be used in stubborn cases.
Remove the quartz sleeve from the unit and soak for 3 hours in Pump Cleaner, ensuring that all
O-rings are checked and replaced, if necessary.
A wet test must be carried out after maintenance to ensure there are no leaks before the UVC is
reconnected.
Wet Testing The Filter
IMPORTANT: A wet test of the filter under operating conditions must be carried out before the
UVC or electrical supply is installed. Connect the filter to the pump following all installation
instructions. After running for 24 hours check for leaks.
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17.562 Blagdon_Midipond filter instructions_20000/28000 AW.indd 9
INSTALLATION
17/07/2017 16:35